WaveMan · Form 4
Column Group III Gp, LP insider trades
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Column Group III Gp, LP insider trades

Column Group III Gp, LP has filed 6 Form 4s with the SEC that we hold, for Surrozen, Inc./DE (SRZN) (10% owner) and Tenaya Therapeutics, Inc. (TNYA) (10% owner). Across all of them we count 13 purchases worth $8.6M and 0 sales worth $0 reported on Form 4. In the last 12 months: 8 purchases ($5.0M) and 0 sales ($0). The largest single trade was a purchase of 167,307 shares of Surrozen, Inc./DE worth $2.1M, dated 2025-11-13. The first filing on our record is dated 2023-01-19 and the latest 2026-01-08.

Surrozen, Inc./DE (SRZN)

10% owner · 4 filings · 10 purchases and sales
Trade dateCodeSharesValue as filedFiled
2024-04-04P, purchase reported on Form 4102,651$1.6M2024-04-08
2024-04-04P, purchase reported on Form 490,897$1.4M2024-04-08
2025-11-13P, purchase reported on Form 4167,307$2.1M2025-11-17
2025-11-13P, purchase reported on Form 4148,150$1.9M2025-11-17
2025-12-04P, purchase reported on Form 42,475$42.9K2025-12-08
2025-12-04P, purchase reported on Form 42,791$48.4K2025-12-08
2025-12-05P, purchase reported on Form 414,503$283.4K2025-12-08
2025-12-05P, purchase reported on Form 416,381$320.1K2025-12-08
2026-01-06P, purchase reported on Form 47,097$141.2K2026-01-08
2026-01-06P, purchase reported on Form 48,003$159.2K2026-01-08

Tenaya Therapeutics, Inc. (TNYA)

10% owner · 2 filings · 3 purchases and sales
Trade dateCodeSharesValue as filedFiled
2023-01-17P, purchase reported on Form 449,463$123.2K2023-01-19
2023-01-18P, purchase reported on Form 4135,688$341.9K2023-01-19
2023-01-19P, purchase reported on Form 469,739$174.3K2023-01-23
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1790965) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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