Board control, the employee swing vote, and post-IPO governance risks.

The argument on one page

Anthropic, PBC (“Anthropic”) is the company that develops the Claude AI models. It has filed a draft registration statement on Form S-1 (the “S-1”). The S-1 is the disclosure document a US company must file with the Securities and Exchange Commission before it first sells its shares to the public (an initial public offering, or “IPO”). Among other things, the S-1 describes who will control the company after the IPO.

The S-1 presents a two-sided arrangement. An independent trust, the Long-Term Benefit Trust (the “Trust”), elects a majority of the board of directors. The seven co-founders, acting together through a company they own (the “Founder LLC”), control the shareholder vote. We tested that description by converting the relevant provisions into a formal, machine-checkable model and proving what follows from them.

For this research, Luminance translated its reading of the relevant governance provisions into a mathematical model. It then used formal verification to check what follows logically from those rules, making it possible to test how board appointment rights, voting powers, and other conditions interact.

Scope and limitations: This analysis examines Anthropic’s publicly available S-1 for research purposes and does not constitute legal advice. The model includes known simplifications relating to employee shares, the founders’ personal Class A shares, the founder-split rule, the three-year time limit, and the special board seat. Formal verification confirms the logical consequences of the rules as modeled; it does not establish that the model perfectly replicates every provision of the S-1. The findings should be read with these limitations in mind.

The analysis reveals a governance structure shaped by mutual vetoes, conditional rights, and overlooked swing votes. This memorandum explains three findings in plain terms, connecting each to the relevant S-1 wording and page references, and showing how the provisions interact within the model.

Finding 1:
The Trust cannot control the board on its own.

1. The board has seven seats. Four are reserved for directors elected by the Trust, which is why the S-1 says the Trust elects “a majority”.

2. One of those four seats is special (the “Specified Class T Director”). The Trust cannot replace or remove that director without cause unless a board committee agrees.

3. Two of the three members of that committee are directors chosen by the founders’ side.

4. The person in that seat today, Christopher Liddell, was not chosen by the Trust.

5. The Trust can freely choose only three of the seven directors, which is not a majority.

6. The three founders’ side directors and Mr. Liddell together hold a board majority, and the Trust cannot break it on its own.

Finding 2:
Employees hold an under-reported swing vote once Class E shares are issued.

1. The S-1 describes the employees’ special shares (Class E) as voting “only on certain limited matters”.

2. Those matters are exactly the two that decide control of the company:

   • who fills the special fourth Trust seat when the committee refuses to agree;

   • whether the Trust can be dismantled without the trustees’ consent.

3. Once these shares are issued, the employees can therefore decide both questions. None will be issued at the IPO itself.

Finding 3:
The IPO creates new governance risks.

The main ones are:

• New lawsuits. Shareholders will need to hold at least 2% of the shares, or $2 million worth, to potentially be able to pursue a claim over how the board balances profit against the company’s mission.

• The Trust’s limited control. At the IPO, the Trust holds three of the six filled board seats and depends on a fourth seat it does not freely control.

• An expiry that cannot be stopped. The founders’ controlling share expires automatically if fewer than three founders remain. When it does, the employees’ votes end too.

• The Trust can then be removed by public shareholders if holders of 85% of the ordinary shares agree.

• The Trust’s share can be transferred to anyone.

• The founders could take every seat. If the Trust is removed while the founders’ share still exists, the founders elect the entire board.

All citations are to Amendment No. 1 to the S-1, filed with the SEC on 2 November 2026 (Registration No. 333-299633), which replaces the earlier draft. It is available to view here.

The amendment updates the financial information to 30 September 2026 but does not change any of the governance provisions discussed here.

NB: Page numbers are the printed page numbers of the S-1, and each links to the relevant section of the online filing.

Key Terms

Who's who

Background

Anthropic’s share classes

Most companies have one kind of share, and each share carries one vote. Anthropic separates voting power from ownership: some classes carry votes, but no economic value, and others carry economic value but no votes.

The S-1 describes the founders’ share in these terms:

“Our Class F common stock will entitle the Founder LLC to an aggregate number of votes that equals 50.1% of the total voting power of our outstanding shares of capital stock” [S-1, p. 27, Risk Factors—Risks Related to our Governance Structure].

In practice, any four of the seven co-founders decide how that share votes. On general shareholder matters, such as electing the three non-Trust directors and approving a merger, they therefore outvote all other shareholders combined.

The board before and after the IPO

Before the IPO, the board has six directors, chosen under the current charter and a voting agreement among shareholders:

“Pursuant to our current certificate of incorporation and amended and restated voting agreement, our current directors were elected as follows:” [S-1, p. 28, Management—Board of Directors].

The S-1 then explains who chose each director:

• Dario Amodei was elected by the ordinary (“Voting Common Stock”) shareholders.

• “Mr. Liddell was elected as the designee nominated by holders of our Voting Common Stock” [S-1, p. 258].

• “Ms. Razavi was elected by holders of our Senior Voting Preferred Stock” [S-1, p. 258], that is, by the investors.

• “Ms. Amodei, Mr. Hastings, and Dr. Narasimhan were elected as the designees nominated by the LTBT as the holder of our Class T common stock.” [S-1, p. 258].

After the IPO, the board has seven seats:

“The initial Class T directors will be Mr. Hastings, Dr. Narasimhan, Mr. Liddell, and one vacancy. Mr. Liddell will serve as the Specified Class T Director.” [S-1, p. 258, Management—Board of Directors].

The holders of Class F and Class A, voting together, “will have the authority to elect and remove the remaining three directors, who will initially be Dr. Amodei, Ms. Amodei, and Ms. Razavi.” [S-1, p. 258].

Two people change sides at the IPO. Daniela Amodei, previously a Trust nominee, moves to a seat elected by the founders’ side. Christopher Liddell, previously the ordinary shareholders’ nominee, moves into a Trust seat, and specifically into the special seat that the Trust cannot freely change.

How the findings were produced

We wrote the S-1’s governance rules as a precise computer model, in a language designed for describing company structures. The model records:

• who holds each class of shares, using ranges where the S-1 leaves numbers blank;

• who sits on each board or body;

• which group must approve each kind of decision.

We then used the Lean proof assistant, a program that checks mathematical proofs, to prove statements such as “the trustees alone cannot install a board majority”. Each proof checks every possible combination of parties, not just a few examples. The relevant proofs are listed in Appendix B.

A proof shows what follows from the rules as we have written them down. It cannot show that we read the S-1 correctly. That is why each finding below is also argued directly from the text of the S-1.

Finding 1: The Trust cannot control the board on its own

What the S-1 says

The S-1 repeatedly says the Trust elects a majority of the board:

“The LTBT generally has the authority to elect and remove the Class T directors, who together will constitute a majority of the authorized members of our board of directors” [S-1, pp. 4 and 246, Prospectus Summary and Our Governance Structure and Its Goals].

Anthropic relies on the same description to claim “controlled company” status on Nasdaq:

“Because the LTBT, as the sole holder of our Class T common stock, generally has the power to elect a majority of the authorized members of our board of directors” [S-1, p. 28, Risk Factors].

Note the word “generally” in both passages. The rest of this section explains an important qualification to that statement.

The argument in five steps

Step 1: Four of the seven seats are Trust seats. The board has seven seats. Four are “Class T” seats, which only the Trust can fill [S-1, p. 258]. Four out of seven is a majority. This is the basis of the S-1’s headline description.

Step 2: One Trust seat is special. The S-1 carves one seat out of the Trust’s free control:

“With respect to one of the Class T director seats (the “Specified Class T Director”), the LTBT’s ability to nominate that director, to remove that director without cause, or to change the director designated as the Specified Class T Director is subject to the concurrence of our NGC.” [S-1, p. 246, Our Governance Structure and Its Goals—Election and Removal of Directors].

In plain terms, the Trust cannot do any of the following unless the board’s nominating committee (the NGC) agrees:

• put a person of its choosing into this seat;

• remove the person in it, other than for misconduct;

• move the special status to a different director.

The same restriction applies when the seat falls vacant:

“Only the holder of our Class T common stock can fill vacant directorships of any Class T director, subject to the nomination procedures for the Specified Class T Director” [S-1, p. 396, Description of Capital Stock—Anti-Takeover Provisions].

Step 3:The founders’ side has the majority on the committee. The NGC decides by majority, and has one Trust director and two others:

“Our NGC will be composed of one Class T director and two directors who are not Class T directors and will act by majority vote.” [S-1, p. 246].

“Our NGC consists of Ms. Amodei, Mr. Hastings, and Ms. Razavi, with Ms. Amodei serving as Chairperson.” [S-1, p. 247, Management—Committees of the Board of Directors].

Daniela Amodei and Yasmin Razavi are elected by the Class A and Class F vote, which the founders control through their 50.1% share [S-1, p. 258]. Together they are a majority of the committee and can refuse to agree, even if the Trust’s director on the committee, Mr. Hastings, supports the Trust.

Step 4: The person in the special seat was not chosen by the Trust. Mr. Liddell holds the special seat. Before the IPO he was “the designee nominated by holders of our Voting Common Stock” [S-1, p. 258], the ordinary shareholders, not the Trust.

Step 5: So the Trust freely chooses only three of seven directors. Putting the steps together:

The Trust can freely fill three seats. Under the default rule in DGCL § 141(b), the board acts by a majority of the directors present at a meeting with a quorum. With every seat filled and every director attending, a majority is four of seven. Whether the Trust’s directors can carry a contested vote therefore depends on Mr. Liddell.

Immediately after the IPO, the position is starker still. Only six seats are filled (the vacancy has not yet been filled), so the board is split three Trust directors against three founders’ side directors, and neither side has a majority. If Mr. Liddell sides with the founders’ side directors, they hold four of the six seats, and the Trust cannot replace him without the NGC’s agreement (theorems specified_director_and_af_directors_take_board and trust_cannot_unseat_specified_director). Filling the vacancy does not change this: four of seven is still a majority.

Why the obvious ways around this do not work

“The employees can break the deadlock.” If the NGC refuses to agree, the S-1 provides a fallback:

“If our NGC does not concur with such nomination, removal, or change in designation within 15 days of receiving notice, the matter will be submitted to a vote of the holders of our Class E common stock unless the LTBT elects to withdraw the notice.” [S-1, p. 246].

But no employee shares will exist at the IPO: “The timing for issuing Class E common stock will be determined after the completion of this offering.” [S-1, p. 246]. The vote also requires “a quorum of a majority of outstanding Class E common stock” [S-1, p. 246]. Until shares are issued, it is unclear how this fallback could operate, so the committee’s refusal would in practice be final.

“The Trust can remove the director for misconduct.” It can remove any Trust director “for cause”:

“Any Class T director, including the Specified Class T Director, may be removed for cause, which will be determined in accordance with Delaware law, without the concurrence of our NGC or the approval of the holders of our Class E common stock” [S-1, p. 246].

This does not solve the problem, for three reasons:

• “Cause” under Delaware law means serious misconduct, not disagreement.

• The Trust and the Founder LLC must each give the other 30 days’ notice before such a removal [S-1, p. 247].

• Even after a removal, filling the empty seat is still “subject to the nomination procedures for the Specified Class T Director” [S-1, p. 296].

“The S-1 says the committee cannot limit the Trust.” The S-1 says the committee’s procedures “do not give our board of directors the substantive ability to limit the LTBT’s freedom to elect directors of its choosing”. The very next words are “However, with respect to the Specified Class T Director” [S-1, p. 258]. The S-1 itself recognises the exception on which this finding rests.

What the Trust does have

The finding is not that the Trust is powerless:

• The founders’ side cannot take the board on its own. Only the Trust can fill the Class T seats. Our model proves that no group can control the board without either the trustees or at least one of the current Class T directors, even if it holds every share and every non-Trust seat (theorem board_needs_trustees).

• But this is not a veto. One current Class T director is enough, and Mr. Liddell is the one the Trust cannot freely replace. The founders’ side directors and Mr. Liddell together hold a board majority, and the Trust cannot break it without the NGC’s agreement or, once employee shares exist, an employee vote. The other two Class T directors, Mr. Hastings and Dr. Narasimhan, could also form a majority with the founders’ side, but the Trust can replace them.

• It has paths to control. The Trust gains a working majority if any one of three things happens:

  • Mr. Liddell votes with the Trust’s directors;

  • the NGC agrees to the Trust’s choice for the special seat;

  • once employee shares exist, the employees approve the Trust’s choice.

The accurate description is that the Trust has several paths to board control but does not control the board on its own, and cannot stop a majority formed by the founders’ side directors and Mr. Liddell.

A note on fairness to the individuals involved: this is a structural point about who has the power to decide, not a prediction of how anyone will behave. Ms. Razavi is described as independent under the Nasdaq rules [S-1, p. 258], and every committee member owes legal duties to the company when deciding whether to agree.

Conclusion on Finding 1

The S-1’s statement that the Trust elects a majority of the board is accurate as a count of Trust seats. It is not accurate as a description of who decides the board’s membership. The Trust freely chooses three of seven directors. The fourth Trust seat is held by a director the Trust did not choose and cannot replace without the agreement of a committee on which the founders’ side holds two of three votes.

Our model proves each step:

• the seated board is split 3–3 (incumbent_board_split);

• the trustees alone cannot take the board (trust_alone_cannot_take_board);

• each of the three paths described above is enough (trust_takes_board_via_specified_seat);

• the founders’ side of the committee can block the committee path (ngc_can_send_specified_seat_to_employees).

Finding 2: Employees hold an under-reported swing vote once Class E shares are issued

What the S-1 says

The S-1 presents the employees’ shares as minor:

“Our Class E common stock will be entitled to vote only on certain limited matters and will not have any economic rights.” [S-1, cover page and p. 27, cover page and Risk Factors].

It then lists the “limited matters”:

“The nomination or proposed removal of the Specified Class T Director or a change in the director designated as the Specified Class T Director (in circumstances where our NGC does not concur with the LTBT’s proposed action) and certain proposals to amend the terms of the LTBT and the rights of our Class T common stock or to redeem our Class T common stock.” [S-1, p. 246, Our Governance Structure and Its Goals—Class E Common Stock].

The argument in three steps

Step 1:The first “limited matter” is the deciding board seat. Finding 1 shows that the special fourth Trust seat decides whether the Trust’s directors hold a working majority. When the committee refuses to agree, the decision passes to the employees, who approve the Trust’s proposal by “a majority of the votes cast by our Class E common stock (subject to a quorum of a majority of outstanding Class E common stock)” [S-1, p. 246]. Once employee shares exist, the employees can therefore decide whether the Trust gains effective control of the board.

Step 2: The second “limited matter” is whether the Trust survives. The Trust’s terms can be changed, and its share cancelled or transferred, if one of several combinations of approvals is obtained. The S-1 calls these combinations the “Trust Amendment Threshold”. While the founders’ share exists, every combination that does not need the trustees’ own agreement requires the employees’ approval:

“Until the third anniversary of the completion of this offering, upon approval by (i) our Class F common stock acting pursuant to the unanimous approval of the Continuing Founders, (ii) a majority of the votes cast by our Class E common stock (subject to a quorum of 40% of our outstanding Class E common stock), and (iii) a majority of the votes cast by our outstanding Class A common stock” [S-1, p. 246].

“At any time, upon approval by (i) our Class F common stock acting by decision of 66 2/3% of the Continuing Founders (rounded up to the nearest whole number), (ii) 75% of the votes cast by our Class E common stock” together with a majority of the Class A votes cast [S-1, p. 246].

Step 3:That makes the employees the swing vote. Two consequences follow, both proved in our model:

1. The employees can block. The founders and every public investor together cannot dismantle the Trust over the trustees’ objection without the employees (theorem founders_and_investors_cannot_strip_trust).

2. The employees can enable. With the founders and the Class A shareholders, the employees can dismantle the Trust even if every trustee objects. Either the trustees or the employees must agree, although neither is individually indispensable (theorem trust_or_employees_must_agree).

Features that make the vote significant

• How employee shares are allocated. Shares are issued as “one share of Class E common stock for each six months of employment completed with us and (ii) one share of Class E common stock for each share of Class A common stock that such employee has pledged to donate through our donation matching program” [S-1, p. 246]. Voting weight therefore depends partly on how much an employee has pledged to charity, not only on length of service.

• Neither side can remove it alone. All employee shares can be cancelled only “upon the approval of (A) 80% of authorized members of our board of directors … (B) the holder of our Class F common stock, and (C) the holder of our Class T common stock.” [S-1, p. 296]. Both the founders and the Trust must agree (theorem class_e_redemption_needs_trust_and_founders).

• It ends when the founders’ share ends. “All shares of Class E common stock will also be automatically redeemed at such time as no Class F common stock remains outstanding.” [S-1, p. 246].

Limits of this finding

• The power is in the future. No employee shares will exist at the IPO; they will be issued at a time “determined after the completion of this offering” [S-1, p. 246]. Our model currently treats them as already issued, so it describes the position once they exist. Until then, the committee’s refusal on the special seat is effectively final, and the Trust cannot be dismantled without the trustees.

• Employees are not independent of management. Anthropic employs them and decides when their shares are issued. Whether they will act as an independent check is a practical question the documents cannot answer.
  
  

Conclusion on Finding 2

Calling the employee shares a vote on “limited matters” is accurate but misleading by omission. Once issued, they decide who holds the deciding board seat when the Trust and the committee disagree. They also hold the deciding vote on whether the Trust can be dismantled without its trustees. Neither point is visible from the S-1’s summaries. Both appear only when the special-seat procedure, the committee’s membership, and the Trust Amendment Threshold are read together.

Finding 3: New potential governance risks after the IPO

The IPO changes who holds which rights, ends the existing shareholder agreements, and exposes the company to public-market pressures. For each risk outlined below, we set out what the S-1 says and why it matters.

1. Shareholders can bring derivative lawsuits over the balance between profit and mission

What the S-1 says.

“Section 367 of the DGCL provides that stockholders of a Delaware PBC with shares listed on a national securities exchange may only file an action to enforce the statutory balancing requirement imposed on the board of directors by the DGCL if they, individually or collectively, own the lesser of at least two percent of the corporation’s outstanding shares or shares of the corporation with a market value of at least $2,000,000 as of the date the action is instituted” [S-1, p. 28, Risk Factors].

“This potential liability for enforcement of the statutory balancing requirement does not exist for traditional corporations.” [S-1, p. 28].

Why it matters. As a public benefit corporation, Anthropic’s directors must balance shareholders’ financial interests against the company’s mission. Once the shares are listed, shareholders can bring derivative lawsuits to enforce that duty if they meet “the lesser of” two tests: 2% of the shares, or $2 million worth of shares. For a company of Anthropic’s expected size, $2 million is a tiny fraction of the shares, so in practice almost any institutional investor could bring such a claim. Courts have given little guidance on how they would decide it. The S-1 warns that “the absence of judicial precedent interpreting this structure increases the risk and unpredictability of governance-related litigation” [S-1, p. 27], and that the structure “has no direct public company precedent” [S-1, p. 27].

2. The Trust cannot control the board on its own

What the S-1 says. See Finding 1.

Why it matters. Immediately after the IPO, the Trust’s directors hold three of the six filled seats. Two of the three committee members sit on the founders’ side, so they can stop the Trust from replacing the director in the special fourth seat. Before the IPO, the Trust nominated three of six directors, and no special-seat procedure existed. The procedure is new at the IPO, and it limits the Trust’s power at the moment the structure is presented to the public as Trust-controlled.

3. The founders’ share expires automatically, and the expiry cannot be stopped

What the S-1 says.

“When there have been fewer than three Continuing Founders (not including any successor member who is a “Non-Qualifying Member” as defined in the Founder LLC Agreement) for 90 consecutive calendar days, a 450-day transition period will commence (the “Class F Transition Period”). Upon completion of the Class F Transition Period, all of our Class F common stock and Class E common stock then issued and outstanding will be redeemed by us for no consideration” [S-1, p. 246].

“The Class F Sunset Time, once triggered, is not subject to extension, delay, or waiver.” [S-1, p. 246].

Why it matters. A founder does not have to leave the company to stop counting. One of the triggers is an original co-founder ceasing to hold:

“a number of shares of Class A common stock (including shares subject to options, RSUs, and other convertible securities) equal to at least 2% of the shares of Class A common stock held by such original co-founder and their related holders as of the completion of this offering” [S-1, p. 246].

Founders can also be removed for misconduct by a supermajority of the other founders, or on an approved leave of absence [S-1, p. 246]. Once five of the seven no longer count, the expiry begins and cannot be reversed. When it completes, the founders’ controlling share and the employees’ shares are both cancelled. That removes both of the Trust’s current counterweights at once.

4. After the expiry, public shareholders can remove the Trust

What the S-1 says. Once the founders’ share has gone, the Trust is freed from the special-seat procedure: “However, the LTBT would no longer need to comply with the procedures for nomination, removal” of the Specified Class T Director [S-1, p. 246]. At the same time, the Trust can be dismantled without its trustees:

“If no Class F common stock remains outstanding, and the Trustees are not voting in favor of such amendments, upon approval of 85% of our outstanding shares of Class A common stock.” [S-1, p. 246].

Why it matters. The same event that gives the Trust full control of the board also makes the Trust removable by ordinary shareholders, without any trustee agreeing. Our model proves both consequences (theorems trust_takes_board_alone_after_sunset and class_a_can_strip_trust).

Two qualifications apply. First, 85% of all outstanding shares, not just of the votes cast, is a high bar for a widely held company. Second, the founders personally own large numbers of Class A shares, which our model does not yet separate from other holders, and those holdings may be enough to block the vote. The governance risk is real in principle, but how serious it is depends on who holds the shares at the time.

5. The Trust is easier to remove during the first three years

What the S-1 says. Until the third anniversary of the IPO, the Trust can be dismantled without its trustees by three approvals [S-1, p. 246]:

• all of the founders;

• a simple majority of employee votes cast, with only 40% of employee shares needing to take part;

• a majority of Class A votes cast.

After three years, two-thirds of the founders is enough, but the employee threshold rises to 75% of the votes cast.

Why it matters. During the first three years, a united founder group needs only a simple majority of the employees who vote. The company decides when employee shares are issued, so whether this route can be used depends on whether employee shares are issued within the window. Our model does not yet capture the three-year limit.

6. The Trust’s share can be transferred to anyone

What the S-1 says.

“Our Class T common stock is transferable only upon the approval of persons comprising the Trust Amendment Threshold.” [S-1, p. 296, Description of Capital Stock].

“There is no separate restriction on the identity of a permissible transferee of our Class T common stock.” [S-1, p. 296].

“We intentionally structured the Class T common stock in this manner to preserve long-term flexibility if circumstances change.” [S-1, p. 27].

Why it matters. All of the Trust’s power sits in one share. Our model proves that if that share passes to someone else, the trustees lose their power over the board (theorem board_control_rests_on_class_t). With the same approvals needed to dismantle the Trust, the share could be handed to anyone. That achieves the same result without formally ending the Trust.

7. If the Trust is removed first, the founders elect every director

What the S-1 says. If the Trust’s share ceases to exist while the founders’ share remains, “the Founder LLC would have the ability to determine the outcome of all matters submitted to a vote of stockholders generally, including the election of all directors.” [S-1, p. 246].

Why it matters. Any four of the seven founders would then choose the entire board. The protection against founder control depends entirely on the Trust lasting at least as long as the founders’ share.

8. Protections that existed before the IPO end

What the S-1 says.

“Upon completion of this offering, the voting agreement will terminate and none of our Class A common stock or Class N common stock stockholders will have any special rights” [S-1, p. 286, Certain Relationships and Related Person Transactions].

The company’s right to block share sales to outsiders also ends: “This right will terminate upon completion of this offering.” [S-1, p. 286].

Why it matters. Before the IPO, investors elected their own director (Ms. Razavi) [S-1, p. 260], and the company could restrict who bought shares. After the IPO, Ms. Razavi’s seat is elected by the founder-controlled vote, and anyone can buy Class A shares on the market. That matters most after the founders’ share expires, when Class A votes decide whether the Trust survives.

9. The Trust depends on the company it oversees

What the S-1 says.

“During the nine months ended September 30, 2026, we paid $8,425,213 to the LTBT. The LTBT is accounted for as a consolidated VIE on our balance sheet” [S-1, p. 286].

“Each Trustee receives annual cash compensation of $400,000 for their service as a Trustee.” [S-1, p. 246].

“In practice to date, the Trustees and company executives have collaborated closely on sourcing” trustee candidates [S-1, p. 246].

Why it matters. Anthropic funds the Trust, pays the trustees, and includes the Trust in its own accounts (a “consolidated VIE”), and executives help choose trustees. None of this changes the formal voting rules, but it bears on how independent the Trust is from the board and managers it is meant to oversee. The Trust also has little margin. Four of its five positions are filled and three trustees are needed to act, so the Trust can act with one trustee absent or dissenting, but two dissenting trustees would stop it (theorem board_control_rests_on_class_t).

10. A split among the founders hands the vote to public shareholders

What the S-1 says. The founders control general shareholder votes “unless a majority of the Continuing Founders (as defined below) cannot agree on how our Class F common stock will be voted (in which case our Class F common stock will generally be voted proportionately with the votes of our Class A common stock cast on the matter)” [S-1, p. 28].

Why it matters. If the founders split with no majority, for example, three for, three against, and one abstaining, their 50.1% follows the public vote. Public shareholders then decide general matters such as the election of the three non-Trust directors. Our model does not yet capture this rule. Its results on shareholder votes assume that founders outside a group vote against.

Limitations

• The source is a draft. Several figures in the S-1 are blank, including the total number of Class A shares and the founders’ combined voting power. The underlying legal documents are summarized in the S-1 but not reproduced:

  • the certificate of incorporation;

  • the bylaws;

  • the Trust Agreement;

  • the Founder LLC Agreement;

  • the Stockholders’ Agreement.

• The model rests on our reading. The Lean proofs verify the consequences of the rules as we wrote them, not that we wrote them correctly. Known simplifications:

  • employee shares are treated as issued at the IPO;

  • the founders’ personal Class A shares are grouped with other Class A holders;

  • the founder-split rule and the three-year time limit are not modelled;

  • the special seat is represented as an alternative condition on appointing the board, because the modelling language has no seat-by-seat appointment rights.

• Board procedure is assumed. The board arithmetic assumes every director attends and votes, and that the DGCL § 141(b) default rule applies. Anthropic’s bylaws may provide otherwise.

• Not legal advice. This memorandum analyses a public filing for research purposes.

Appendix A: Citation index

Appendix B: Supporting proofs

The proofs can be found in the project’s Anthropic proof file. Each is checked by the Lean proof assistant.