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The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are directly held by ARCH Venture Fund XIII, L.P. (\"ARCH XIII\"). ARCH Venture Partners XIII, L.P. (\"AVP XIII LP\") is the general partner of ARCH XIII. ARCH Venture Partners XIII, LLC (\"AVP XIII LLC\") is the general partner of AVP XIII LP. Paul Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen are members of the investment committee of AVP XIII LLC (the \"AVP XIII LLC Committee Members\"). Mr. Berns serves on the board of directors of the Issuer. Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII, and each of the AVP XIII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XIII. Each of AVP XIII LP, AVP XIII LLC and the AVP XIII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1917731},"source":{"system":"sec-edgar","filing":"0001193125-26-277985","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2016082/000119312526277985/ownership.xml","form_type":"4"}},{"id":730776,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":35729,"kind":"person","name":"ARCH Venture Partners XIII, LLC","position":1,"cik":"0002016082","reported_name":"ARCH Venture Partners XIII, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":35730,"kind":"person","name":"ARCH Venture Partners XIII, L.P.","position":2,"cik":"0002016083","reported_name":"ARCH Venture Partners XIII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":35731,"kind":"person","name":"ARCH Venture Fund XIII, L.P.","position":3,"cik":"0002006772","reported_name":"ARCH Venture Fund XIII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32072,"kind":"person","name":"CRANDELL KEITH","position":4,"cik":"0001219039","reported_name":"CRANDELL KEITH","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":5,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32075,"kind":"person","name":"Burow Kristina","position":6,"cik":"0001569248","reported_name":"Burow Kristina","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32071,"kind":"person","name":"GILLIS STEVEN","position":7,"cik":"0001229592","reported_name":"GILLIS STEVEN","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2026-06-22T23:39:44.000Z","date":"2026-06-17","kind":"exercise","planned":false,"acquired":false,"shares":5148587,"ownership":{"direct":false,"nature":"By ARCH Venture Fund XIII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are directly held by ARCH Venture Fund XIII, L.P. (\"ARCH XIII\"). ARCH Venture Partners XIII, L.P. (\"AVP XIII LP\") is the general partner of ARCH XIII. ARCH Venture Partners XIII, LLC (\"AVP XIII LLC\") is the general partner of AVP XIII LP. Paul Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen are members of the investment committee of AVP XIII LLC (the \"AVP XIII LLC Committee Members\"). Mr. Berns serves on the board of directors of the Issuer. Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII, and each of the AVP XIII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XIII. Each of AVP XIII LP, AVP XIII LLC and the AVP XIII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":8200669},"source":{"system":"sec-edgar","filing":"0001193125-26-277985","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2016082/000119312526277985/ownership.xml","form_type":"4"}},{"id":730775,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":35729,"kind":"person","name":"ARCH Venture Partners XIII, LLC","position":1,"cik":"0002016082","reported_name":"ARCH Venture Partners XIII, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":35730,"kind":"person","name":"ARCH Venture Partners XIII, L.P.","position":2,"cik":"0002016083","reported_name":"ARCH Venture Partners XIII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":35731,"kind":"person","name":"ARCH Venture Fund XIII, L.P.","position":3,"cik":"0002006772","reported_name":"ARCH Venture Fund XIII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32072,"kind":"person","name":"CRANDELL KEITH","position":4,"cik":"0001219039","reported_name":"CRANDELL KEITH","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":5,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32075,"kind":"person","name":"Burow Kristina","position":6,"cik":"0001569248","reported_name":"Burow Kristina","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32071,"kind":"person","name":"GILLIS STEVEN","position":7,"cik":"0001229592","reported_name":"GILLIS STEVEN","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-22T23:39:44.000Z","date":"2026-06-17","kind":"exercise","planned":false,"acquired":true,"shares":13792035,"ownership":{"direct":false,"nature":"By: ARCH Venture Fund XIII, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are directly held by ARCH Venture Fund XIII, L.P. (\"ARCH XIII\"). ARCH Venture Partners XIII, L.P. (\"AVP XIII LP\") is the general partner of ARCH XIII. ARCH Venture Partners XIII, LLC (\"AVP XIII LLC\") is the general partner of AVP XIII LP. Paul Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen are members of the investment committee of AVP XIII LLC (the \"AVP XIII LLC Committee Members\"). Mr. Berns serves on the board of directors of the Issuer. Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII, and each of the AVP XIII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XIII. Each of AVP XIII LP, AVP XIII LLC and the AVP XIII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any."}],"balance_after":13792035,"source":{"system":"sec-edgar","filing":"0001193125-26-277985","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2016082/000119312526277985/ownership.xml","form_type":"4"}},{"id":729976,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":35071,"kind":"person","name":"Pasternak Andy","position":1,"cik":"0001792746","reported_name":"Pasternak Andy","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Strategy Officer"}}],"security":"Common Stock","published_at":"2026-06-22T23:30:23.000Z","date":"2026-06-17","kind":"grant","planned":false,"acquired":true,"shares":79640,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share is represented by a restricted stock unit (\"RSU\"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement. The RSUs vest in full on June 17, 2028, subject to the Reporting Person's continuous service as of the applicable vesting date."}],"balance_after":79640,"source":{"system":"sec-edgar","filing":"0001193125-26-277955","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1792746/000119312526277955/ownership.xml","form_type":"4"}},{"id":730170,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":36265,"kind":"person","name":"Meeker David P","position":1,"cik":"0001385155","reported_name":"Meeker David P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-22T23:28:30.000Z","date":"2026-06-17","kind":"grant","planned":false,"acquired":true,"shares":20706,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share is represented by a restricted stock unit (\"RSU\"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement. The RSUs vest in full on June 17, 2028, subject to the Reporting Person's continuous service as of the applicable vesting date."}],"balance_after":20706,"source":{"system":"sec-edgar","filing":"0001193125-26-277950","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1385155/000119312526277950/ownership.xml","form_type":"4"}},{"id":730238,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":20890,"kind":"person","name":"BERNS PAUL L","position":1,"cik":"0001202769","reported_name":"BERNS PAUL L","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B-1 Preferred Stock","published_at":"2026-06-22T23:24:44.000Z","date":"2026-06-17","kind":"exercise","planned":false,"acquired":false,"shares":2306401,"ownership":{"direct":false,"nature":"By ARCH Venture Fund XIII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are directly held by ARCH Venture Fund XIII, L.P. (\"ARCH XIII\"). ARCH Venture Partners XIII, L.P. (\"AVP XIII LP\") is the general partner of ARCH XIII. ARCH Venture Partners XIII, LLC (\"AVP XIII LLC\") is the general partner of AVP XIII LP. Paul Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen are members of the investment committee of AVP XIII LLC (the \"AVP XIII LLC Committee Members\"). Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII, and each of the AVP XIII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XIII. Each of AVP XIII LP, AVP XIII LLC and the AVP XIII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3673635},"source":{"system":"sec-edgar","filing":"0001193125-26-277936","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1202769/000119312526277936/ownership.xml","form_type":"4"}},{"id":730237,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":20890,"kind":"person","name":"BERNS PAUL L","position":1,"cik":"0001202769","reported_name":"BERNS PAUL L","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2026-06-22T23:24:44.000Z","date":"2026-06-17","kind":"exercise","planned":false,"acquired":false,"shares":1204000,"ownership":{"direct":false,"nature":"By ARCH Venture Fund XIII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are directly held by ARCH Venture Fund XIII, L.P. (\"ARCH XIII\"). ARCH Venture Partners XIII, L.P. (\"AVP XIII LP\") is the general partner of ARCH XIII. ARCH Venture Partners XIII, LLC (\"AVP XIII LLC\") is the general partner of AVP XIII LP. Paul Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen are members of the investment committee of AVP XIII LLC (the \"AVP XIII LLC Committee Members\"). Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII, and each of the AVP XIII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XIII. Each of AVP XIII LP, AVP XIII LLC and the AVP XIII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1917731},"source":{"system":"sec-edgar","filing":"0001193125-26-277936","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1202769/000119312526277936/ownership.xml","form_type":"4"}},{"id":730236,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":20890,"kind":"person","name":"BERNS PAUL L","position":1,"cik":"0001202769","reported_name":"BERNS PAUL L","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2026-06-22T23:24:44.000Z","date":"2026-06-17","kind":"exercise","planned":false,"acquired":false,"shares":5148587,"ownership":{"direct":false,"nature":"By ARCH Venture Fund XIII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are directly held by ARCH Venture Fund XIII, L.P. (\"ARCH XIII\"). ARCH Venture Partners XIII, L.P. (\"AVP XIII LP\") is the general partner of ARCH XIII. ARCH Venture Partners XIII, LLC (\"AVP XIII LLC\") is the general partner of AVP XIII LP. Paul Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen are members of the investment committee of AVP XIII LLC (the \"AVP XIII LLC Committee Members\"). Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII, and each of the AVP XIII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XIII. Each of AVP XIII LP, AVP XIII LLC and the AVP XIII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":8200669},"source":{"system":"sec-edgar","filing":"0001193125-26-277936","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1202769/000119312526277936/ownership.xml","form_type":"4"}},{"id":730235,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":20890,"kind":"person","name":"BERNS PAUL L","position":1,"cik":"0001202769","reported_name":"BERNS PAUL L","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-22T23:24:44.000Z","date":"2026-06-17","kind":"grant","planned":false,"acquired":true,"shares":20706,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Each share is represented by a restricted stock unit (\"RSU\"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement. The RSUs vest in full on June 17, 2028, subject to the Reporting Person's continuous service as of the applicable vesting date."}],"balance_after":20706,"source":{"system":"sec-edgar","filing":"0001193125-26-277936","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1202769/000119312526277936/ownership.xml","form_type":"4"}},{"id":730234,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":20890,"kind":"person","name":"BERNS PAUL L","position":1,"cik":"0001202769","reported_name":"BERNS PAUL L","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-22T23:24:44.000Z","date":"2026-06-17","kind":"exercise","planned":false,"acquired":true,"shares":13792035,"ownership":{"direct":false,"nature":"By ARCH Venture Fund XIII, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These securities are directly held by ARCH Venture Fund XIII, L.P. (\"ARCH XIII\"). ARCH Venture Partners XIII, L.P. (\"AVP XIII LP\") is the general partner of ARCH XIII. ARCH Venture Partners XIII, LLC (\"AVP XIII LLC\") is the general partner of AVP XIII LP. Paul Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen are members of the investment committee of AVP XIII LLC (the \"AVP XIII LLC Committee Members\"). Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII, and each of the AVP XIII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XIII. Each of AVP XIII LP, AVP XIII LLC and the AVP XIII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any."}],"balance_after":13792035,"source":{"system":"sec-edgar","filing":"0001193125-26-277936","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1202769/000119312526277936/ownership.xml","form_type":"4"}},{"id":730079,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":36233,"kind":"person","name":"Moriarty John B","position":1,"cik":"0001564621","reported_name":"Moriarty John B","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Common Stock","published_at":"2026-06-22T23:23:24.000Z","date":"2026-06-17","kind":"grant","planned":false,"acquired":true,"shares":47784,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share is represented by a restricted stock unit (\"RSU\"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement. 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The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series A Preferred Stock and Series B Preferred Stock (together the \"Preferred Stock\") was convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 of the Exchange Act, except to the extent of his pecuniary interest therein, if any. 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The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series A Preferred Stock and Series B Preferred Stock (together the \"Preferred Stock\") was convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series A Preferred Stock and Series B Preferred Stock (together the \"Preferred Stock\") was convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series A Preferred Stock and Series B Preferred Stock (together the \"Preferred Stock\") was convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Represents shares held by AEG 2021 Trust. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the \"Exchange Act\"), except to the extent of his pecuniary interest therein, if any. 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The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series B Preferred Stock (the \"Preferred Stock\") was convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series B Preferred Stock (the \"Preferred Stock\") was convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. 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Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement. The RSUs vest in full on June 17, 2028, subject to the Reporting Person's continuous service as of the applicable vesting date."}],"balance_after":183327,"source":{"system":"sec-edgar","filing":"0001193125-26-277907","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2123613/000119312526277907/ownership.xml","form_type":"4"}},{"id":729916,"issuer":{"id":4569,"kind":"organization","name":"Kardigan, Inc."},"owners":[{"id":36187,"kind":"person","name":"Edelberg Jay","position":1,"cik":"0002138489","reported_name":"Edelberg Jay","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2026-06-22T23:14:26.000Z","date":"2026-06-17","kind":"exercise","planned":false,"acquired":true,"shares":97587,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series B Preferred Stock (the \"Preferred Stock\") was convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date."}],"balance_after":135543,"source":{"system":"sec-edgar","filing":"0001193125-26-277907","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2123613/000119312526277907/ownership.xml","form_type":"4"}}]}