Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Common Stock
- Shares / value
- 1,565,311
- Estimated value
- $50,385,326
- Report date
- 20 Oct 2026
- Price
- $32.19
- Ownership
- By The Column Group III-A, LP
COLUMN GROUP III GP, LP
Insider Reports History
- Reporting-owner location
- San Francisco, CA
- Latest reporting-owner signature
-
/s/ The Column Group III GP, LP by /s/ James Evangelista, Attorney-in-Fact
Source: Latest parsed Forms 3/4/5 signature
- Transaction source note
- Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.
Identity
Names, identifiers, and filing context for this profile.
1 identity field
SEC source record
Original filing metadata and source links for verification.
1 source field
Source evidence
Original filing metadata and source links for verification.
1 source field
Reported holdings for COLUMN GROUP III GP, LP
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Common Stock
- Shares / value
- 1,386,122
- Estimated value
- $44,617,465
- Report date
- 20 Oct 2026
- Price
- $32.19
- Ownership
- By The Column Group III, LP
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Common Stock
- Shares / value
- 862,068
- Estimated value
- $27,748,848
- Report date
- 20 Oct 2026
- Price
- $32.19
- Ownership
- By The Column Group Opportunity III, LP
Form 4 holding
10%+ Owner
Tenaya Therapeutics, Inc.
- Security class
- Common Stock
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 25 Feb 2026
- Price
- $0.5624
- Ownership
- Indirect
Form 4 holding
10%+ Owner
Tenaya Therapeutics, Inc.
- Security class
- Series A Warrant (right to buy)
- Shares / value
- 35,714,284
- Estimated value
- Report date
- 05 Mar 2025
- Price
- Ownership
- Indirect
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Tenaya Therapeutics, Inc.
- Security class
- Series B Warrant (right to buy)
- Shares / value
- 17,857,142
- Estimated value
- Report date
- 05 Mar 2025
- Price
- Ownership
- Indirect
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Second Tranche Units (Right to Buy)
- Shares / value
- 517,241
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group Opportunity II, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series E Common Warrants
- Shares / value
- 457,211
- Estimated value
- Report date
- 20 Oct 2026
- Price
- Ownership
- By The Column Group III-A, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series E Common Warrants
- Shares / value
- 431,034
- Estimated value
- Report date
- 20 Oct 2026
- Price
- Ownership
- By The Column Group Opportunity III, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series E Common Warrants
- Shares / value
- 404,858
- Estimated value
- Report date
- 20 Oct 2026
- Price
- Ownership
- By The Column Group III, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series E Common Warrants
- Shares / value
- 172,414
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group Opportunity II, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series B Common Warrants
- Shares / value
- 111,656
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group III-A, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series A Common Warrants
- Shares / value
- 102,651
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group III-A, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series B Common Warrants
- Shares / value
- 98,870
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group III, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series A Common Warrants
- Shares / value
- 90,897
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group III, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Second Tranche Units (Right to Buy)
- Shares / value
- 0
- Estimated value
- Report date
- 20 Oct 2026
- Price
- Ownership
- By The Column Group III-A, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Second Tranche Units (Right to Buy)
- Shares / value
- 0
- Estimated value
- Report date
- 20 Oct 2026
- Price
- Ownership
- By The Column Group III, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Second Tranche Units (Right to Buy)
- Shares / value
- 0
- Estimated value
- Report date
- 20 Oct 2026
- Price
- Ownership
- By The Column Group Opportunity III, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series C Common Warrants
- Shares / value
- 0
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group III-A, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series C Common Warrants
- Shares / value
- 0
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group III, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series D Common Warrants
- Shares / value
- 0
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group III-A, LP
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
10%+ Owner
Surrozen, Inc./DE
- Security class
- Series D Common Warrants
- Shares / value
- 0
- Estimated value
- Report date
- 26 Mar 2025
- Price
- Ownership
- By The Column Group III, LP
- Underlying class
- Common Stock
- Underlying amount
Insider Reports Filed by COLUMN GROUP III GP, LP
4
SRZN
Surrozen, Inc./DE
- Report period
- 20 Oct 2026
- Transactions
- 9
- Transaction value
- $0
- Accepted by SEC
- 22 Oct 2026, 16:48
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 24 Feb 2026
- Transactions
- 4
- Transaction value
- -$2,380,189
- Accepted by SEC
- 26 Feb 2026, 16:23
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 20 Feb 2026
- Transactions
- 4
- Transaction value
- -$504,787
- Accepted by SEC
- 24 Feb 2026, 16:13
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 10 Feb 2026
- Transactions
- 4
- Transaction value
- -$3,042,222
- Accepted by SEC
- 12 Feb 2026, 17:19
- Role
- 10%+ Owner
- Next action
- Open filing details
4
SRZN
Surrozen, Inc./DE
- Report period
- 15 Jan 2026
- Transactions
- 6
- Transaction value
- +$641,597
- Accepted by SEC
- 20 Jan 2026, 19:35
- Role
- 10%+ Owner
- Next action
- Open filing details
4
SRZN
Surrozen, Inc./DE
- Report period
- 13 Jan 2026
- Transactions
- 4
- Transaction value
- +$357,353
- Accepted by SEC
- 15 Jan 2026, 16:10
- Role
- 10%+ Owner
- Next action
- Open filing details
4
SRZN
Surrozen, Inc./DE
- Report period
- 06 Jan 2026
- Transactions
- 2
- Transaction value
- +$300,297
- Accepted by SEC
- 08 Jan 2026, 17:23
- Role
- 10%+ Owner
- Next action
- Open filing details
4
SRZN
Surrozen, Inc./DE
- Report period
- 04 Dec 2025
- Transactions
- 4
- Transaction value
- +$694,850
- Accepted by SEC
- 08 Dec 2025, 17:04
- Role
- 10%+ Owner
- Next action
- Open filing details
4
SRZN
Surrozen, Inc./DE
- Report period
- 13 Nov 2025
- Transactions
- 2
- Transaction value
- +$3,990,531
- Accepted by SEC
- 17 Nov 2025, 19:15
- Role
- 10%+ Owner
- Next action
- Open filing details
4
SRZN
Surrozen, Inc./DE
- Report period
- 26 Mar 2025
- Transactions
- 21
- Transaction value
- +$11,999,991
- Accepted by SEC
- 28 Mar 2025, 20:57
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 05 Mar 2025
- Transactions
- 3
- Transaction value
- +$24,999,999
- Accepted by SEC
- 07 Mar 2025, 19:14
- Role
- 10%+ Owner
- Next action
- Open filing details
4/A
SRZN
Surrozen, Inc./DE
- Report period
- 04 Apr 2024
- Transactions
- 2
- Transaction value
- +$2,999,994
- Accepted by SEC
- 17 Apr 2024, 16:14
- Role
- 10%+ Owner
- Next action
- Open filing details
4
SRZN
Surrozen, Inc./DE
- Report period
- 04 Apr 2024
- Transactions
- 10
- Transaction value
- +$2,999,994
- Accepted by SEC
- 08 Apr 2024, 16:23
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 12 Feb 2024
- Transactions
- 1
- Transaction value
- +$9,999,999
- Accepted by SEC
- 14 Feb 2024, 16:15
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 10 Mar 2023
- Transactions
- 1
- Transaction value
- +$17,596
- Accepted by SEC
- 14 Mar 2023, 16:12
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 08 Feb 2023
- Transactions
- 1
- Transaction value
- +$3,900,000
- Accepted by SEC
- 10 Feb 2023, 15:32
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 19 Jan 2023
- Transactions
- 1
- Transaction value
- +$174,201
- Accepted by SEC
- 23 Jan 2023, 15:25
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 17 Jan 2023
- Transactions
- 2
- Transaction value
- +$464,827
- Accepted by SEC
- 19 Jan 2023, 15:18
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 21 Nov 2022
- Transactions
- 1
- Transaction value
- +$24,999,998
- Accepted by SEC
- 23 Nov 2022, 15:12
- Role
- 10%+ Owner
- Next action
- Open filing details
3
SRZN
Surrozen, Inc./DE
- Report period
- 11 Aug 2021
- Transactions
- 0
- Transaction value
- $0
- Accepted by SEC
- 16 Aug 2021, 20:16
- Role
- 10%+ Owner
- Next action
- Open filing details
4
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 03 Aug 2021
- Transactions
- 8
- Transaction value
- $0
- Accepted by SEC
- 04 Aug 2021, 18:34
- Role
- 10%+ Owner
- Next action
- Open filing details
3
TNYA
Tenaya Therapeutics, Inc.
- Report period
- 29 Jul 2021
- Transactions
- 0
- Transaction value
- $0
- Accepted by SEC
- 29 Jul 2021, 20:28
- Role
- 10%+ Owner
- Next action
- Open filing details