| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
10% Owner
2 companies
Column Group III Gp, LP is a 10% Owner at SRZN, with reported holdings spanning 2 companies. Recent filings cover 31 purchases and 12 sales. Those positions are worth an estimated $44.2M at current prices.
Our model assigns Column Group III Gp, LP a strong insider score of 74/100, based on 25 past trades. Over a 12-month horizon, 70.0% of those trades were profitable, with an average 12-month return of +34.8%.
Column Group III Gp, LP's largest disclosed position is in SRZN as 10% Owner, worth about $44.2M. Net of sales, the recent Form 4 record there shows accumulation of 1,645,237 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb 25, 2026 | TNYA Tenaya Therapeutics, Inc. | 10% Owner | Sell | 4,170,266 | $0.57 | $2,380,189.07 | -100% | +29.9% | - | |
| Feb 23, 2026 | TNYA Tenaya Therapeutics, Inc. | 10% Owner | Sell | 829,734 | $0.61 | $504,787.24 | -27.3% | +33.0% | - | |
| Feb 11, 2026 | TNYA Tenaya Therapeutics, Inc. | 10% Owner | Sell | 4,400,290 | $0.69 | $3,042,222.34 | -62.4% | +47.1% | - | |
| Jan 20, 2026 | SRZN Surrozen, Inc./de | 10% Owner | Buy | 32,507 | $19.74 | $641,597.27 | +3.3% | +79.4% | - | |
| Jan 14, 2026 | SRZN Surrozen, Inc./de | 10% Owner | Buy | 17,993 | $19.86 | $357,352.51 | +1.8% | +59.3% | - | |
| Jan 6, 2026 | SRZN Surrozen, Inc./de | 10% Owner | Buy | 15,100 | $19.89 | $300,296.72 | +1.5% | +39.3% | - | |
| Dec 5, 2025 | SRZN Surrozen, Inc./de | 10% Owner | Buy | 36,150 | $19.22 | $694,850.46 | +3.8% | +38.7% | - | |
| Nov 13, 2025 | SRZN Surrozen, Inc./de | 10% Owner | Buy | 315,457 | $12.65 | $3,990,531.05 | +48.7% | +103.0% | - | |
| Mar 26, 2025 | SRZN Surrozen, Inc./de | 10% Owner | Buy | 1,034,482 | $11.60 | $11,999,991.20 | -150.0% | -16.6% | +162.7% | |
| Mar 5, 2025 | TNYA Tenaya Therapeutics, Inc. | 10% Owner | Buy | 35,714,284 | $0.70 | $24,999,998.80 | +262.6% | +7.7% | +80.1% |