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FMR LLC reported beneficial ownership of 8,909,066 shares of Kardigan Inc common stock, representing 10.0% of the class as of June 30, 2026. FMR LLC has sole voting power over 8,906,145 shares and sole dispositive power over 8,909,066 shares, with no shared voting or dispositive power.
Abigail P. Johnson is also listed as a reporting person with sole dispositive power over the same 8,909,066 shares, but with no voting power. One or more other persons may receive dividends or sale proceeds from these shares, but no such person has an interest exceeding five percent of the outstanding common stock.
Entities affiliated with Perceptive Advisors reported an indirect acquisition of 20,706 restricted stock units (RSUs) tied to Kardigan, Inc. common stock. The RSUs are director compensation for Douglas E. Giordano’s board service and vest in full on June 17, 2028, subject to his continuous service. The reporting entities and Joseph Edelman may be deemed to have an indirect pecuniary interest through a management fee offset but disclaim beneficial ownership except to that extent.
Kardigan, Inc. Schedule 13G: HRTG-affiliated entities report beneficial ownership. HRTG GPE, LLC and its related funds report 16,917,034 shares of Common Stock beneficially owned, representing 18.2% of the class based on 93,089,121 shares outstanding as of June 22, 2026. The filing notes 14,866,868 shares held by HRTG PV, L.P. and 2,050,166 shares held by HRTG CIF 2024, L.P.
The filing excludes a warrant to purchase 876,040 shares held by HRTG PV that is exercisable on a cashless basis at an exercise price of $13.42 per share, with an exercise period that begins if the company achieves a valuation of $5,000,000,000.
ARCH Venture Fund XIII and affiliates have disclosed a major ownership position in Kardigan, Inc. on Schedule 13D. They beneficially own 15,042,035 shares of common stock, representing 16.2% of Kardigan’s 93,089,121 shares outstanding following the IPO.
ARCH accumulated its stake through multiple preferred stock financings that converted into common stock at the IPO, plus a June 22, 2026 purchase of 1,250,000 IPO shares at $16.00 per share. In total, ARCH reports paying $194,999,973.81 for these securities.
The fund also holds a warrant for 876,040 shares at an exercise price of $13.4135 per share, exercisable only once Kardigan reaches a $5.0 billion market valuation and expiring on September 4, 2035. ARCH has registration rights under an Investors’ Rights Agreement and is subject to a 180‑day IPO lock-up from June 17, 2026. The shares are held for investment, and ARCH may buy more or sell depending on future conditions.
Perceptive Advisors LLC and related entities report a significant stake in Kardigan, Inc. common stock. They disclose beneficial ownership of 8,254,144 shares, representing 8.9% of Kardigan’s outstanding common stock, including shares held by Perceptive Life Sciences Master Fund, Perceptive Capital Solutions Holdings LP and stock options tied to director Douglas Giordano’s board compensation.
The position largely arose when Series A Convertible Redeemable Preferred Stock automatically converted into 8,200,661 common shares in connection with Kardigan’s initial public offering. Perceptive’s funds have entered a 180‑day IPO lock‑up agreement restricting sales of common stock and related securities, while reserving flexibility over time to buy or sell shares based on market and company conditions.
Kardigan, Inc. reported a large insider purchase by an affiliated investment fund. On June 22, 2026, HRTG PV, L.P., a ten percent owner, made an open‑market purchase of 3,125,000 shares of common stock at $16.00 per share, held indirectly. After this trade, HRTG PV, L.P. held 14,866,868 shares, and HRTG CIF 2024, L.P. held 2,050,166 shares. HRTG GPE, LLC is general partner of both funds, and its managing members Keith Johnson and Kevin Kelly disclaim beneficial ownership beyond any pecuniary interest.
Kardigan, Inc. disclosed an amended initial ownership report from several affiliated investment entities and individuals who are ten percent owners. The filing lists indirect holdings of a warrant and multiple series of redeemable convertible preferred stock held through HRTG PV, L.P. and HRTG CIF 2024, L.P.
The warrant relates to 876,040 shares of common stock with an exercise price of $13.4200 per share and, according to a footnote, becomes exercisable once the company reaches a $5,000,000,000 valuation. Footnotes also explain that each share of Series A, Series B, and Series B-1 Redeemable Convertible Preferred Stock was convertible into common stock on a 1.5928-to-1 basis and that all such preferred shares automatically converted into common stock when the company’s registration statement on Form S-1 was declared effective. The general partner HRTG GPE, LLC and its managing members disclaim beneficial ownership of these securities except to the extent of any pecuniary interest.
Kardigan, Inc. director and 10% owner Paul L. Berns reported an indirect open-market purchase by ARCH Venture Fund XIII, L.P. of 1,250,000 shares of common stock at $16.00 per share. After this transaction, ARCH’s indirect holdings totaled 15,042,035 shares, while Berns directly held 20,706 shares.
ARCH Venture Fund XIII, L.P., an entity associated with ARCH Venture Partners, reported an open-market purchase of 1,250,000 shares of Kardigan, Inc. common stock at $16.00 per share. After this transaction, ARCH Venture Fund XIII, L.P. held 15,042,035 shares indirectly.
The shares are directly held by ARCH Venture Fund XIII, L.P., with related ARCH entities and certain investment committee members, including directors of Kardigan, potentially deemed beneficial owners but each disclaiming beneficial ownership beyond any pecuniary interest.
Kardigan, Inc. adopted a third amended and restated certificate of incorporation in connection with its initial public offering. The new charter authorizes 700,000,000 shares of common stock, including 500,000,000 voting shares and 200,000,000 non-voting shares, plus 10,000,000 shares of undesignated preferred stock that the board may issue in series.
The charter also removes prior preferred stock series and ends stockholder rights to act by written consent or to call special meetings. Kardigan simultaneously implemented amended and restated bylaws that set formal meeting procedures, advance notice rules for proposals and director nominations, and align with the updated charter.