Column Group III GP, LP Insider Trading Activity
Column Group III GP, LP, an institutional filer, recorded 30 transactions over the last 12 months across 2 companies totaling $11.9M.
Activity concentrated in SRZN with 18 filings. The largest single transaction was a purchase of SRZN for $2.1M on Nov 13, 2025.
Performance Scorecard
Forward stock performance after each transaction by Column Group III GP, LP. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | +24.1% | -18.3% | 53% | 30 |
| 90 days | +58.9% | -32.5% | 60% | 30 |
| 120 days | +54.2% | — | 100% | 18 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| Feb 25, 2026 | TNYA | Sell | 1,649,281 | $0.56 | $928K | 10%+ Owner |
| Feb 25, 2026 | TNYA | Sell | 1,862,545 | $0.56 | $1.0M | 10%+ Owner |
| Feb 24, 2026 | TNYA | Sell | 349,212 | $0.62 | $215K | 10%+ Owner |
| Feb 24, 2026 | TNYA | Sell | 309,228 | $0.62 | $190K | 10%+ Owner |
| Feb 23, 2026 | TNYA | Sell | 162,291 | $0.60 | $97K | 10%+ Owner |
| Feb 23, 2026 | TNYA | Sell | 143,709 | $0.60 | $86K | 10%+ Owner |
| Feb 20, 2026 | TNYA | Sell | 277,769 | $0.61 | $171K | 10%+ Owner |
| Feb 20, 2026 | TNYA | Sell | 245,965 | $0.61 | $151K | 10%+ Owner |
| Feb 11, 2026 | TNYA | Sell | 1,905,115 | $0.68 | $1.3M | 10%+ Owner |
| Feb 11, 2026 | TNYA | Sell | 2,151,458 | $0.68 | $1.5M | 10%+ Owner |
| Feb 10, 2026 | TNYA | Sell | 161,422 | $0.82 | $132K | 10%+ Owner |
| Feb 10, 2026 | TNYA | Sell | 182,295 | $0.82 | $149K | 10%+ Owner |
| Jan 20, 2026 | SRZN | Buy | 8,484 | $19.60 | $166K | 10%+ Owner |
| Jan 20, 2026 | SRZN | Buy | 9,568 | $19.60 | $188K | 10%+ Owner |
| Jan 16, 2026 | SRZN | Buy | 1,358 | $20.00 | $27K | 10%+ Owner |
| Jan 16, 2026 | SRZN | Buy | 1,204 | $20.00 | $24K | 10%+ Owner |
| Jan 15, 2026 | SRZN | Buy | 5,590 | $19.89 | $111K | 10%+ Owner |
| Jan 15, 2026 | SRZN | Buy | 6,303 | $19.89 | $125K | 10%+ Owner |
| Jan 14, 2026 | SRZN | Buy | 2,596 | $19.99 | $52K | 10%+ Owner |
| Jan 14, 2026 | SRZN | Buy | 2,927 | $19.99 | $59K | 10%+ Owner |
| Jan 13, 2026 | SRZN | Buy | 5,861 | $19.80 | $116K | 10%+ Owner |
| Jan 13, 2026 | SRZN | Buy | 6,609 | $19.80 | $131K | 10%+ Owner |
| Jan 6, 2026 | SRZN | Buy | 8,003 | $19.89 | $159K | 10%+ Owner |
| Jan 6, 2026 | SRZN | Buy | 7,097 | $19.89 | $141K | 10%+ Owner |
| Dec 5, 2025 | SRZN | Buy | 14,503 | $19.54 | $283K | 10%+ Owner |
| Dec 5, 2025 | SRZN | Buy | 16,381 | $19.54 | $320K | 10%+ Owner |
| Dec 4, 2025 | SRZN | Buy | 2,475 | $17.35 | $43K | 10%+ Owner |
| Dec 4, 2025 | SRZN | Buy | 2,791 | $17.35 | $48K | 10%+ Owner |
| Nov 13, 2025 | SRZN | Buy | 148,150 | $12.65 | $1.9M | 10%+ Owner |
| Nov 13, 2025 | SRZN | Buy | 167,307 | $12.65 | $2.1M | 10%+ Owner |
Top Companies Traded
Other insiders at Surrozen, Inc./DE
2 other tracked filers at SRZN.