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SCHEDULE 13G Filed 2026-10-01 Event — SEC 0001831942-26-000044 →

Commodore Capital LP → Surrozen, Inc./DE SRZN

Stake: — Shares: — Class: Common Stock, $0.0001 par value 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)
81 transactions
70 buys · 5 sales · 6 awards/exercises
Issuer Cluster
7 13D/G filings on this issuer
6 other filings besides this one
Filer Track Record
9 filings by this filer
8 other filings in the data moat
Short Interest · settle 2026-09-30
DTC 1.51
2,189,760 shares short · -0.3% vs prior

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-05-13 Rothenberg Mace director Award 5,550 $30.14 $167K
2026-05-13 WOODHOUSE DAVID J director Award 5,550 $30.14 $167K
2026-05-13 Haak-Frendscho Mary director Award 5,550 $30.14 $167K
2026-05-13 CHAI CHRISTOPHER Y director Award 5,550 $30.14 $167K
2026-05-13 BJERKHOLT ERIC director Award 5,550 $30.14 $167K
2026-05-13 Berkenblit Anna director Award 5,550 $30.14 $167K
2026-05-04 Parker Craig C director, officer Sale 4,524 $33.33 $151K
2026-05-04 Williams Charles O officer Sale 2,036 $33.33 $68K
2026-05-04 Li Yang officer Sale 1,584 $33.33 $53K
2026-05-01 Li Yang officer Option exercise 4,375 — —
2026-05-01 Williams Charles O officer Option exercise 5,625 — —
2026-05-01 Parker Craig C director, officer Option exercise 12,500 — —
2026-03-31 Li Yang officer Gift 1,666 — —
2026-03-24 TCG Crossover GP II, LLC 10%+ owner Buy 53,329 $24.69 $1.32M
2026-03-23 TCG Crossover GP II, LLC 10%+ owner Buy 7,612 $24.90 $190K
2026-03-23 TCG Crossover GP II, LLC 10%+ owner Buy 7,611 $24.90 $190K
2026-03-16 TCG Crossover GP II, LLC 10%+ owner Buy 595 $24.99 $15K
2026-03-13 TCG Crossover GP II, LLC 10%+ owner Buy 17,717 $24.88 $441K
2026-03-13 TCG Crossover GP II, LLC 10%+ owner Buy 17,716 $24.88 $441K
2026-03-12 TCG Crossover GP II, LLC 10%+ owner Buy 6,187 $24.99 $155K
2026-02-17 Li Yang officer Award 100,950 $24.53 $2.48M
2026-02-17 Williams Charles O officer Award 102,900 $24.53 $2.52M
2026-02-17 Parker Craig C director, officer Award 242,200 $24.53 $5.94M
2026-02-17 Parker Craig C director, officer Award 242,200 — —
2026-02-17 Williams Charles O officer Award 102,900 — —
Showing 25 of 81

Other 13D/G Filings on Surrozen, Inc./DE

FiledFormFilerStakeShares
2026-05-18 SCHEDULE 13D/A COLUMN GROUP III GP, LP — 2,962,544 view →
2026-01-22 SCHEDULE COLUMN GROUP III GP, LP 35.10% 3,824,612 view →
2024-04-08 SC COLUMN GROUP III GP, LP — — view →
2021-09-29 SC Consonance Capital Management LP — — view →
2021-08-18 SC Consonance Capital Management LP — — view →
2021-04-27 SC Consonance Capital Management LP — — view →

Other Filings by Commodore Capital LP

FiledFormIssuerStakeShares
2026-10-07 SCHEDULE 13G Sagimet Biosciences Inc. — — view →
2026-09-02 SCHEDULE 13G JATT III Acquisition Corp — — view →
2026-08-17 SCHEDULE 13G InflaRx N.V. — — view →
2026-07-20 SCHEDULE 13G Research Alliance Corp IV — — view →
2026-06-18 SCHEDULE 13G Avalo Therapeutics, Inc. AVTX — — view →
2026-06-03 SCHEDULE 13G EyePoint, Inc. EYPT — — view →
2026-06-02 SCHEDULE 13G Editas Medicine, Inc. EDIT — — view →
2026-05-28 SCHEDULE 13G Research Alliance Corp III RACC — — view →

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