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SCHEDULE 13D/A Filed 2026-10-01 Event 2026-09-29 SEC 0001193125-26-410754 →

PERCEPTIVE ADVISORS LLC → Kardigan, Inc. KARD

Stake: — Shares: 8,254,144 Class: Common Stock, par value $0.00001 per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)
37 transactions
13 buys · 0 sales · 0 awards/exercises
Issuer Cluster
4 13D/G filings on this issuer
3 other filings besides this one
Filer Track Record
34 filings by this filer
33 other filings in the data moat
Short Interest · settle 2026-09-30
DTC 3.77
4,445,126 shares short · +73.0% vs prior

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-06-22 HRTG GPE, LLC 10%+ owner Buy 3,125,000 $16.00 $50.00M
2026-06-22 BERNS PAUL L director, 10%+ owner Buy 1,250,000 $16.00 $20.00M
2026-06-22 ARCH Venture Partners XIII, LLC director, 10%+ owner Buy 1,250,000 $16.00 $20.00M
2026-06-17 HRTG GPE, LLC 10%+ owner C 2,050,166 — —
2026-06-17 HRTG GPE, LLC 10%+ owner C 6,150,502 — —
2026-06-17 HRTG GPE, LLC 10%+ owner C 3,242,993 — —
2026-06-17 HRTG GPE, LLC 10%+ owner C 2,348,373 — —
2026-06-17 HRTG GPE, LLC 10%+ owner C 1,287,146 — —
2026-06-17 HRTG GPE, LLC 10%+ owner C 3,861,440 — —
2026-06-17 HRTG GPE, LLC 10%+ owner C 2,036,033 — —
2026-06-17 HRTG GPE, LLC 10%+ owner C 1,474,368 — —
2026-06-17 ARCH Venture Partners XIII, LLC director, 10%+ owner C 13,792,035 — —
2026-06-17 ARCH Venture Partners XIII, LLC director, 10%+ owner C 5,148,587 — —
2026-06-17 ARCH Venture Partners XIII, LLC director, 10%+ owner C 1,204,000 — —
2026-06-17 ARCH Venture Partners XIII, LLC director, 10%+ owner C 2,306,401 — —
2026-06-17 Pasternak Andy officer Award 79,640 — —
2026-06-17 Meeker David P director Award 20,706 — —
2026-06-17 BERNS PAUL L director, 10%+ owner C 13,792,035 — —
2026-06-17 BERNS PAUL L director, 10%+ owner Award 20,706 — —
2026-06-17 BERNS PAUL L director, 10%+ owner C 5,148,587 — —
2026-06-17 BERNS PAUL L director, 10%+ owner C 1,204,000 — —
2026-06-17 BERNS PAUL L director, 10%+ owner C 2,306,401 — —
2026-06-17 Moriarty John B officer Award 47,784 — —
2026-06-17 Jahn Brianne officer Award 79,640 — —
2026-06-17 Popovits Kimberly J director Award 20,706 — —
Showing 25 of 37

Other 13D/G Filings on Kardigan, Inc.

FiledFormFilerStakeShares
2026-06-29 SCHEDULE 13D ARCH Venture Fund XIII, L.P. 16.20% 15,042,035 view →
2026-06-29 SCHEDULE 13G HRTG GPE, LLC — — view →
2026-06-25 SCHEDULE 13D PERCEPTIVE ADVISORS LLC 8.90% 8,254,144 view →

Other Filings by PERCEPTIVE ADVISORS LLC

FiledFormIssuerStakeShares
2026-09-23 SCHEDULE 13G Nurix Therapeutics, Inc. — — view →
2026-08-27 SCHEDULE 13D/A Immatics N.V. — 11,418,016 view →
2026-08-25 SCHEDULE 13D/A LeonaBio, Inc. 19.99% 1,889,403 view →
2026-08-14 SCHEDULE 13D/A Nautilus Biotechnology, Inc. 9.10% 11,634,211 view →
2026-08-14 SCHEDULE 13D/A Solid Biosciences Inc. 11.20% 12,046,579 view →
2026-07-23 SCHEDULE 13G Freenome, Inc. — — view →
2026-07-20 SCHEDULE 13G Research Alliance Corporation IV — — view →
2026-06-25 SCHEDULE 13D Kardigan, Inc. KARD 8.90% 8,254,144 view →
2026-01-26 SCHEDULE TRINITY BIOTECH PLC TRIB 9.90% 1,463,058,248 view →
2026-01-02 SCHEDULE MeiraGTx Holdings plc MGTX 12.90% 10,441,562 view →
2025-02-21 SCHEDULE Solid Biosciences Inc. SLDB 15.60% 11,934,679 view →
2025-02-14 SCHEDULE TRINITY BIOTECH PLC TRIB 20.90% 85,800,000 view →
2025-01-31 SCHEDULE Nautilus Biotechnology, Inc. NAUT 10.00% 12,594,211 view →
2023-10-17 SC Cerevel Therapeutics Holdings, Inc. — — view →
2023-06-06 SC SOLENO THERAPEUTICS INC SLNO — — view →
2023-05-30 SC SOLENO THERAPEUTICS INC SLNO — — view →
2023-05-25 SC SOLENO THERAPEUTICS INC SLNO — — view →
2023-04-25 SC Cerevel Therapeutics Holdings, Inc. — — view →
2022-12-06 SC Solid Biosciences Inc. SLDB — — view →
2022-07-01 SC Athira Pharma, Inc. LONA — — view →
Showing 20 of 33

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