13D Filings
Kardigan, Inc.
Amendment
Ownership

8.80%

Total Shares

8,254,144

Issuer CIK

2123613

Event Date

Sep 28, 2026

Accepted

Oct 1, 2026, 04:35 PM

Reporting Persons (4)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
Perceptive Advisors LLC
Investment Adviser
8.80%8,254,14408,254,144
Joseph Edelman
Individual
8.80%8,254,14408,254,144
Perceptive Capital Solutions Holdings LP
CO
6.20%5,777,90405,777,904
Perceptive Life Sciences Master Fund, Ltd.
CO
2.70%2,476,24002,476,240
Disclosure Items (3)

Security Title

Common Stock, par value $0.00001 per share

Issuer Name

Kardigan, Inc.

Issuer Address

506 Carnegie Center Drive, Suite 201, Princeton, NJ, 08540

Item 4 of the Schedule 13D is amended and supplemented as followed: On September 29, 2026, Douglas Giordano, a Managing Director at Perceptive Advisors, resigned from the board of directors of the Issuer. The Reporting Persons continuously review their investment in the Issuer and, subject to applicable securities laws, regulatory requirements, and the lock-up agreement disclosed in the previously filed Schedule 13D, may from time to time acquire additional shares of Common Stock or other securities of the Issuer, hedge some or all of their economic exposure through short sales, options, swaps or other derivative or hedging transactions, or dispose of or distribute some or a significant amount of their Common Stock or other securities of the Issuer held or subsequently acquired, depending on various factors, including, but not limited to, the price of the shares, the terms and conditions of the transaction, prevailing market conditions, and their investment, liquidity and diversification objectives. Except as indicated herein, no Reporting Person, as a stockholder of the Issuer, has any plans or proposals that relate to or would result in any of the transactions or other matters specified in clauses (a) through (j) of Item 4 of Schedule 13D. Each Reporting Person may, at any time and from time to time, review or reconsider its or his position and/or change its or his purpose and/or formulate plans or proposals with respect thereto.

Percentage of Class

The information set forth in rows 11 and 13 of the cover pages to this Schedule 13D is incorporated by reference. The percentages set forth in row 13 are based on 93,503,699 shares of Common Stock outstanding, as reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 11, 2026, and assume the exercise of vested stock options issued to Mr. Giordano in connection with his former service on the Issuer's board of directors.

Number of Shares

The information set forth in rows 7 through 10 of the cover pages to this Schedule 13D is incorporated herein by reference.

Transactions

Except as otherwise disclosed in this Schedule 13D, none of the Reporting Persons has effected any transaction in the Common Stock during the past 60 days.

Shareholders

Mr. Giordano is the holder of record of the stock options described herein. Perceptive Advisors has the right to receive the director compensation provided in respect of Mr. Giordano's former board service through a partial management fee offset.

Date of 5% Ownership

Not applicable.