In the last 12 months, insiders at Surrozen, Inc./DE ($SRZN) filed 202 transactions with the SEC: 103 open-market purchases totaling $40,849,731 and 4 sales totaling $88,475. Net insider sentiment: net buying.
Surrozen, Inc./DE operates in the Biological products, (no disgnostic substances) industry (Life sciences sector).
Most Active Insiders
- COLUMN GROUP III GP, LP (Not found) — 51 transactions totaling $23,984,607
- Kutzkey Tim (Not found) — 33 transactions totaling $11,984,616
- TCG Crossover GP II, LLC (Not found) — 20 transactions totaling $4,880,508
- Li Yang (Exec. Vice President, Research) — 18 transactions totaling $67,677
- Williams Charles O (Chief Operating Officer) — 7 transactions totaling $44,620
View all SEC Filings for Surrozen, Inc./DE (SRZN).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | Li Yang | Exec. Vice President, Research | G | Common Stock | 1666 | $0.00 | 15,127.0000 | 8,571,421 | 9.92% | 0.02% |
| March 23, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 7612 | $24.90 | 683,225.0000 | 8,571,421 | 1.13% | 0.09% |
| March 24, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 53329 | $24.69 | 736,547.0000 | 8,571,421 | 7.81% | 0.62% |
| March 24, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 53329 | $24.69 | 736,554.0000 | 8,571,421 | 7.81% | 0.62% |
| March 23, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 7611 | $24.90 | 683,218.0000 | 8,571,421 | 1.13% | 0.09% |
| March 12, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 6187 | $24.99 | 657,301.0000 | 8,571,421 | 0.95% | 0.07% |
| March 13, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 17716 | $24.88 | 675,015.0000 | 8,571,421 | 2.70% | 0.21% |
| March 16, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 595 | $24.99 | 675,613.0000 | 8,571,421 | 0.09% | 0.01% |
| March 16, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 595 | $24.99 | 675,610.0000 | 8,571,421 | 0.09% | 0.01% |
| March 13, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 17717 | $24.88 | 675,018.0000 | 8,571,421 | 2.70% | 0.21% |
| March 12, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 6187 | $24.99 | 657,299.0000 | 8,571,421 | 0.95% | 0.07% |
| Feb. 17, 2026 | Parker Craig C | Chief Executive Officer | A | Restricted Stock Unit | 242200 | $0.00 | 242,200.0000 | 8,571,421 | 9999.99% | 2.83% |
| Feb. 17, 2026 | Li Yang | Exec. Vice President, Research | A | Employee Stock Option (right to buy) | 100950 | $0.00 | 100,950.0000 | 8,571,421 | 9999.99% | 1.18% |
| Feb. 17, 2026 | Li Yang | Exec. Vice President, Research | A | Restricted Stock Unit | 100950 | $0.00 | 100,950.0000 | 8,571,421 | 9999.99% | 1.18% |
| Feb. 17, 2026 | Williams Charles O | Chief Operating Officer | A | Employee Stock Option (right to buy) | 102900 | $0.00 | 102,900.0000 | 8,571,421 | 9999.99% | 1.20% |
| Feb. 17, 2026 | Williams Charles O | Chief Operating Officer | A | Restricted Stock Unit | 102900 | $0.00 | 102,900.0000 | 8,571,421 | 9999.99% | 1.20% |
| Feb. 17, 2026 | Parker Craig C | Chief Executive Officer | A | Employee Stock Option (right to buy) | 242200 | $0.00 | 242,200.0000 | 8,571,421 | 9999.99% | 2.83% |
| Feb. 12, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 546 | $23.86 | 651,112.0000 | 8,571,421 | 0.08% | 0.01% |
| Feb. 11, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 8882 | $23.58 | 650,567.0000 | 8,571,421 | 1.38% | 0.10% |
| Feb. 11, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 8881 | $23.58 | 650,563.0000 | 8,571,421 | 1.38% | 0.10% |
| Feb. 12, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 547 | $23.86 | 651,114.0000 | 8,571,421 | 0.08% | 0.01% |
| Feb. 3, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 2177 | $21.94 | 641,682.0000 | 8,571,421 | 0.34% | 0.03% |
| Feb. 3, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 2178 | $21.94 | 641,685.0000 | 8,571,421 | 0.34% | 0.03% |
| Jan. 30, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 2136 | $21.39 | 639,141.0000 | 8,571,421 | 0.34% | 0.02% |
| Jan. 30, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 2135 | $21.39 | 639,140.0000 | 8,571,421 | 0.34% | 0.02% |
| Feb. 2, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 366 | $21.38 | 639,507.0000 | 8,571,421 | 0.06% | 0.00% |
| Feb. 2, 2026 | TCG Crossover GP II, LLC | Not found | P | Common Stock | 365 | $21.38 | 639,505.0000 | 8,571,421 | 0.06% | 0.00% |
| Jan. 23, 2026 | Williams Charles O | Chief Operating Officer | A | Employee Stock Option (right to buy) | 500 | $0.00 | 500.0000 | 8,571,421 | 9999.99% | 0.01% |
| Jan. 15, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 5590 | $19.89 | 2,252,089.0000 | 8,571,421 | 0.25% | 0.07% |
| Jan. 20, 2026 | Kutzkey Tim | Not found | P | Common Stock | 9568 | $19.60 | 2,261,777.0000 | 8,571,421 | 0.42% | 0.11% |
| Jan. 20, 2026 | Kutzkey Tim | Not found | P | Common Stock | 8484 | $19.60 | 2,261,777.0000 | 8,571,421 | 0.38% | 0.10% |
| Jan. 16, 2026 | Kutzkey Tim | Not found | P | Common Stock | 1358 | $20.00 | 2,252,209.0000 | 8,571,421 | 0.06% | 0.02% |
| Jan. 16, 2026 | Kutzkey Tim | Not found | P | Common Stock | 1204 | $20.00 | 2,253,293.0000 | 8,571,421 | 0.05% | 0.01% |
| Jan. 15, 2026 | Kutzkey Tim | Not found | P | Common Stock | 6303 | $19.89 | 2,250,851.0000 | 8,571,421 | 0.28% | 0.07% |
| Jan. 15, 2026 | Kutzkey Tim | Not found | P | Common Stock | 5590 | $19.89 | 2,252,089.0000 | 8,571,421 | 0.25% | 0.07% |
| Jan. 20, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 9568 | $19.60 | 2,261,777.0000 | 8,571,421 | 0.42% | 0.11% |
| Jan. 20, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 8484 | $19.60 | 2,261,777.0000 | 8,571,421 | 0.38% | 0.10% |
| Jan. 16, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 1358 | $20.00 | 2,252,209.0000 | 8,571,421 | 0.06% | 0.02% |
| Jan. 16, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 1204 | $20.00 | 2,253,293.0000 | 8,571,421 | 0.05% | 0.01% |
| Jan. 15, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 6303 | $19.89 | 2,250,851.0000 | 8,571,421 | 0.28% | 0.07% |
| Jan. 14, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 2596 | $19.99 | 2,229,270.0000 | 8,571,421 | 0.12% | 0.03% |
| Jan. 13, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 6609 | $19.80 | 2,226,343.0000 | 8,571,421 | 0.30% | 0.08% |
| Jan. 13, 2026 | Kutzkey Tim | Not found | P | Common Stock | 5861 | $19.80 | 2,226,674.0000 | 8,571,421 | 0.26% | 0.07% |
| Jan. 13, 2026 | Kutzkey Tim | Not found | P | Common Stock | 6609 | $19.80 | 2,226,343.0000 | 8,571,421 | 0.30% | 0.08% |
| Jan. 14, 2026 | Kutzkey Tim | Not found | P | Common Stock | 2596 | $19.99 | 2,229,270.0000 | 8,571,421 | 0.12% | 0.03% |
| Jan. 14, 2026 | Kutzkey Tim | Not found | P | Common Stock | 2927 | $19.99 | 2,229,270.0000 | 8,571,421 | 0.13% | 0.03% |
| Jan. 13, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 5861 | $19.80 | 2,226,674.0000 | 8,571,421 | 0.26% | 0.07% |
| Jan. 14, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 2927 | $19.99 | 2,229,270.0000 | 8,571,421 | 0.13% | 0.03% |
| Jan. 6, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 7097 | $19.89 | 2,211,277.0000 | 8,571,421 | 0.32% | 0.08% |
| Jan. 6, 2026 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 8003 | $19.89 | 2,211,277.0000 | 8,571,421 | 0.36% | 0.09% |
| Jan. 6, 2026 | Kutzkey Tim | Not found | P | Common Stock | 7097 | $19.89 | 2,211,277.0000 | 8,571,421 | 0.32% | 0.08% |
| Jan. 6, 2026 | Kutzkey Tim | Not found | P | Common Stock | 8003 | $19.89 | 2,211,277.0000 | 8,571,421 | 0.36% | 0.09% |
| Jan. 5, 2026 | Li Yang | Exec. Vice President, Research | S | Common Stock | 1118 | $19.87 | 16,793.0000 | 8,571,421 | 6.24% | 0.01% |
| Jan. 2, 2026 | Li Yang | Exec. Vice President, Research | M | Common Stock | 2500 | $0.00 | 17,911.0000 | 8,571,421 | 16.22% | 0.03% |
| Jan. 5, 2026 | Williams Charles O | Chief Operating Officer | S | Common Stock | 1566 | $19.87 | 12,982.0000 | 8,571,421 | 10.76% | 0.02% |
| Jan. 2, 2026 | Williams Charles O | Chief Operating Officer | M | Common Stock | 3500 | $0.00 | 14,548.0000 | 8,571,421 | 31.68% | 0.04% |
| Jan. 2, 2026 | Li Yang | Exec. Vice President, Research | M | Restricted Stock Units | 2500 | $0.00 | 0.0000 | 8,571,421 | 100.00% | 0.03% |
| Jan. 2, 2026 | Williams Charles O | Chief Operating Officer | M | Restricted Stock Units | 3500 | $0.00 | 0.0000 | 8,571,421 | 100.00% | 0.04% |
| Dec. 15, 2025 | Williams Charles O | Chief Operating Officer | A | Common Stock | 1666 | $8.11 | 11,048.0000 | 8,571,421 | 17.76% | 0.02% |
| Dec. 15, 2025 | Li Yang | Exec. Vice President, Research | A | Common Stock | 1666 | $8.11 | 15,411.0000 | 8,571,421 | 12.12% | 0.02% |
| Dec. 15, 2025 | Parker Craig C | Chief Executive Officer | A | Common Stock | 1553 | $8.11 | 8,577.0000 | 8,571,421 | 22.11% | 0.02% |
| Dec. 4, 2025 | Kutzkey Tim | Not found | P | Common Stock | 2475 | $17.35 | 2,181,674.0000 | 8,571,421 | 0.11% | 0.03% |
| Dec. 4, 2025 | Kutzkey Tim | Not found | P | Common Stock | 2791 | $17.35 | 2,179,796.0000 | 8,571,421 | 0.13% | 0.03% |
| Dec. 5, 2025 | Kutzkey Tim | Not found | P | Common Stock | 16381 | $19.54 | 2,196,177.0000 | 8,571,421 | 0.75% | 0.19% |
| Dec. 4, 2025 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 2475 | $17.35 | 2,181,674.0000 | 8,571,421 | 0.11% | 0.03% |
| Dec. 5, 2025 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 14503 | $19.54 | 2,196,177.0000 | 8,571,421 | 0.66% | 0.17% |
| Dec. 4, 2025 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 2791 | $17.35 | 2,179,796.0000 | 8,571,421 | 0.13% | 0.03% |
| Dec. 5, 2025 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 16381 | $19.54 | 2,196,177.0000 | 8,571,421 | 0.75% | 0.19% |
| Dec. 5, 2025 | Kutzkey Tim | Not found | P | Common Stock | 14503 | $19.54 | 2,196,177.0000 | 8,571,421 | 0.66% | 0.17% |
| Nov. 13, 2025 | Kutzkey Tim | Not found | P | Common Stock | 167307 | $12.65 | 2,160,027.0000 | 8,571,421 | 8.40% | 1.95% |
| Nov. 13, 2025 | Kutzkey Tim | Not found | P | Common Stock | 148150 | $12.65 | 2,160,027.0000 | 8,571,421 | 7.36% | 1.73% |
| Nov. 13, 2025 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 167307 | $12.65 | 2,160,027.0000 | 8,571,421 | 8.40% | 1.95% |
| Nov. 13, 2025 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 148150 | $12.65 | 2,160,027.0000 | 8,571,421 | 7.36% | 1.73% |
| Nov. 12, 2025 | Maleki Andrew Pedrum | Chief Financial Officer | A | Employee Stock Option (right to buy) | 50000 | $0.00 | 50,000.0000 | 8,571,421 | 9999.99% | 0.58% |
| June 13, 2025 | Li Yang | Exec. Vice President, Research | A | Common Stock | 400 | $8.06 | 13,745.0000 | 3,281,169 | 3.00% | 0.01% |
| June 13, 2025 | Williams Charles O | CFO and COO | A | Common Stock | 400 | $8.06 | 9,382.0000 | 3,281,169 | 4.45% | 0.01% |
| June 13, 2025 | Parker Craig C | Chief Executive Officer | A | Common Stock | 400 | $8.06 | 7,024.0000 | 3,281,169 | 6.04% | 0.01% |
| May 14, 2025 | Lin Shao-Lee | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 3,281,169 | 9999.99% | 0.04% |
| May 14, 2025 | Berkenblit Anna | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 3,281,169 | 9999.99% | 0.04% |
| May 14, 2025 | CHAI CHRISTOPHER Y | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 3,281,169 | 9999.99% | 0.04% |
| May 14, 2025 | Haak-Frendscho Mary | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 3,281,169 | 9999.99% | 0.04% |
| May 14, 2025 | Rothenberg Mace | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 3,281,169 | 9999.99% | 0.04% |
| May 14, 2025 | WOODHOUSE DAVID J | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 3,281,169 | 9999.99% | 0.04% |
| May 14, 2025 | BJERKHOLT ERIC | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 3,281,169 | 9999.99% | 0.04% |
| May 1, 2025 | Li Yang | Exec. Vice President, Research | A | Restricted Stock Unit | 8750 | $0.00 | 8,750.0000 | 3,281,169 | 9999.99% | 0.27% |
| May 1, 2025 | Li Yang | Exec. Vice President, Research | A | Option (right to buy) | 26250 | $0.00 | 26,250.0000 | 3,281,169 | 9999.99% | 0.80% |
| May 1, 2025 | Williams Charles O | CFO and COO | A | Option (right to buy) | 33750 | $0.00 | 33,750.0000 | 3,281,169 | 9999.99% | 1.03% |
| May 1, 2025 | Parker Craig C | Chief Executive Officer | A | Option (right to buy) | 75000 | $0.00 | 75,000.0000 | 3,281,169 | 9999.99% | 2.29% |
| May 1, 2025 | Parker Craig C | Chief Executive Officer | A | Restricted Stock Unit | 25000 | $0.00 | 25,000.0000 | 3,281,169 | 9999.99% | 0.76% |
| May 1, 2025 | Williams Charles O | CFO and COO | A | Restricted Stock Unit | 11250 | $0.00 | 11,250.0000 | 3,281,169 | 9999.99% | 0.34% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Series B Common Warrants | 98870 | $0.00 | 210,526.0000 | 3,281,169 | 88.55% | 3.01% |
| March 26, 2025 | Kutzkey Tim | Not found | A | Option (right to buy) | 2666 | $0.00 | 2,666.0000 | 3,281,169 | 9999.99% | 0.08% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 323886 | $11.60 | 1,844,570.0000 | 3,281,169 | 21.30% | 9.87% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 365769 | $11.60 | 1,844,570.0000 | 3,281,169 | 24.73% | 11.15% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 344827 | $11.60 | 1,844,570.0000 | 3,281,169 | 22.99% | 10.51% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | H | Series A Common Warrants | 90897 | $0.00 | 102,651.0000 | 3,281,169 | 46.96% | 2.77% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Series A Common Warrants | 90897 | $0.00 | 193,548.0000 | 3,281,169 | 88.55% | 2.77% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | H | Series A Common Warrants | 102651 | $0.00 | 90,897.0000 | 3,281,169 | 53.04% | 3.13% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Series A Common Warrants | 102651 | $0.00 | 193,548.0000 | 3,281,169 | 112.93% | 3.13% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | H | Series B Common Warrants | 98870 | $0.00 | 111,656.0000 | 3,281,169 | 46.96% | 3.01% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | H | Series B Common Warrants | 111656 | $0.00 | 98,870.0000 | 3,281,169 | 53.04% | 3.40% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Series B Common Warrants | 111656 | $0.00 | 210,526.0000 | 3,281,169 | 112.93% | 3.40% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | H | Series C Common Warrants | 352225 | $0.00 | 0.0000 | 3,281,169 | 100.00% | 10.74% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | H | Series C Common Warrants | 397773 | $0.00 | 0.0000 | 3,281,169 | 100.00% | 12.12% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | H | Series D Common Warrants | 352225 | $0.00 | 0.0000 | 3,281,169 | 100.00% | 10.74% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | H | Series D Common Warrants | 397773 | $0.00 | 0.0000 | 3,281,169 | 100.00% | 12.12% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Series E Common Warrants | 161943 | $0.00 | 517,241.0000 | 3,281,169 | 45.58% | 4.94% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Series E Common Warrants | 182884 | $0.00 | 517,241.0000 | 3,281,169 | 54.70% | 5.57% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Series E Common Warrants | 172414 | $0.00 | 517,241.0000 | 3,281,169 | 50.00% | 5.25% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Second Tranche Units (Right to Buy) | 485830 | $0.00 | 1,551,724.0000 | 3,281,169 | 45.58% | 14.81% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Second Tranche Units (Right to Buy) | 548653 | $0.00 | 1,551,724.0000 | 3,281,169 | 54.70% | 16.72% |
| March 26, 2025 | COLUMN GROUP III GP, LP | Not found | P | Second Tranche Units (Right to Buy) | 517241 | $0.00 | 1,551,724.0000 | 3,281,169 | 50.00% | 15.76% |
| March 24, 2025 | Parker Craig C | Chief Executive Officer | A | Series B Common Stock Warrant (right to buy) | 1603 | $0.00 | 1,603.0000 | 0 | 9999.99% | 0.00% |
| March 24, 2025 | Williams Charles O | CFO and COO | D | Series A Common Stock Warrant (right to buy) | 1474 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 24, 2025 | Williams Charles O | CFO and COO | D | Series B Common Stock Warrant (right to buy) | 1603 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 24, 2025 | Williams Charles O | CFO and COO | D | Series C Common Stock Warrant (right to buy) | 5712 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 24, 2025 | Williams Charles O | CFO and COO | D | Series D Common Stock Warrant (right to buy) | 5712 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 24, 2025 | Williams Charles O | CFO and COO | A | Series A Common Stock Warrant (right to buy) | 1474 | $0.00 | 1,474.0000 | 0 | 9999.99% | 0.00% |
| March 24, 2025 | Williams Charles O | CFO and COO | A | Series B Common Stock Warrant (right to buy) | 1603 | $0.00 | 1,603.0000 | 0 | 9999.99% | 0.00% |
| March 24, 2025 | Parker Craig C | Chief Executive Officer | D | Series A Common Stock Warrant (right to buy) | 1474 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 24, 2025 | Parker Craig C | Chief Executive Officer | D | Series B Common Stock Warrant (right to buy) | 1603 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 24, 2025 | Parker Craig C | Chief Executive Officer | D | Series C Common Stock Warrant (right to buy) | 5712 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 24, 2025 | Parker Craig C | Chief Executive Officer | D | Series D Common Stock Warrant (right to buy) | 5712 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 24, 2025 | Parker Craig C | Chief Executive Officer | A | Series A Common Stock Warrant (right to buy) | 1474 | $0.00 | 1,474.0000 | 0 | 9999.99% | 0.00% |
| Jan. 17, 2025 | Li Yang | Exec. Vice President, Research | A | Option (right to buy) | 35000 | $0.00 | 35,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 17, 2025 | Parker Craig C | Chief Executive Officer | A | Option (right to buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 17, 2025 | Williams Charles O | CFO and COO | A | Option (right to buy) | 45000 | $0.00 | 45,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 2, 2025 | Williams Charles O | CFO and COO | M | Common Stock | 3500 | $0.00 | 10,163.0000 | 0 | 52.53% | 0.00% |
| Jan. 2, 2025 | Li Yang | Exec. Vice President, Research | M | Common Stock | 2500 | $0.00 | 14,188.0000 | 0 | 21.39% | 0.00% |
| Jan. 3, 2025 | Li Yang | Exec. Vice President, Research | S | Common Stock | 843 | $17.37 | 13,345.0000 | 0 | 5.94% | 0.00% |
| Jan. 3, 2025 | Williams Charles O | CFO and COO | S | Common Stock | 1181 | $17.37 | 8,982.0000 | 0 | 11.62% | 0.00% |
| June 14, 2024 | Williams Charles O | CFO and COO | A | Common Stock | 400 | $5.67 | 5,863.0000 | 0 | 7.32% | 0.00% |
| June 14, 2024 | Li Yang | Exec. Vice President, Research | A | Common Stock | 400 | $5.67 | 10,888.0000 | 0 | 3.81% | 0.00% |
| June 14, 2024 | Parker Craig C | Chief Executive Officer | A | Common Stock | 400 | $5.67 | 5,824.0000 | 0 | 7.37% | 0.00% |
| June 5, 2024 | BJERKHOLT ERIC | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | WOODHOUSE DAVID J | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Lin Shao-Lee | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Rothenberg Mace | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Kutzkey Tim | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Haak-Frendscho Mary | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | Berkenblit Anna | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | CHAI CHRISTOPHER Y | Not found | A | Option (right to buy) | 1333 | $0.00 | 1,333.0000 | 0 | 9999.99% | 0.00% |
| May 1, 2024 | Li Yang | Exec. Vice President, Research | A | Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| May 1, 2024 | Parker Craig C | Chief Executive Officer | A | Option (right to buy) | 43000 | $0.00 | 43,000.0000 | 0 | 9999.99% | 0.00% |
| May 1, 2024 | Williams Charles O | CFO and COO | A | Option (right to buy) | 27000 | $0.00 | 27,000.0000 | 0 | 9999.99% | 0.00% |
| April 24, 2024 | Williams Charles O | CFO and COO | A | Restricted Stock Unit | 7000 | $0.00 | 7,000.0000 | 0 | 9999.99% | 0.00% |
| April 24, 2024 | Parker Craig C | Chief Executive Officer | A | Option (right to buy) | 43000 | $0.00 | 43,000.0000 | 0 | 9999.99% | 0.00% |
| April 24, 2024 | Williams Charles O | CFO and COO | A | Option (right to buy) | 13000 | $0.00 | 13,000.0000 | 0 | 9999.99% | 0.00% |
| April 24, 2024 | Li Yang | Exec. Vice President, Research | A | Restricted Stock Unit | 5000 | $0.00 | 5,000.0000 | 0 | 9999.99% | 0.00% |
| April 24, 2024 | Li Yang | Exec. Vice President, Research | A | Option (right to buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Common Stock | 90897 | $15.50 | 616,541.0000 | 0 | 17.29% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 90897 | $15.50 | 616,541.0000 | 0 | 17.29% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 102651 | $15.50 | 616,541.0000 | 0 | 19.98% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Common Stock | 102651 | $15.50 | 616,541.0000 | 0 | 19.98% | 0.00% |
| April 4, 2024 | Williams Charles O | CFO and COO | P | Series B Common Stock Warrant (right to buy) | 1603 | $0.00 | 1,603.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Williams Charles O | CFO and COO | P | Series D Common Stock Warrant (right to buy) | 5712 | $0.00 | 5,712.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Parker Craig C | Chief Executive Officer | P | Common Stock | 1474 | $0.00 | 1,474.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Parker Craig C | Chief Executive Officer | P | Series A Common Stock Warrant (right to buy) | 1474 | $0.00 | 1,474.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Parker Craig C | Chief Executive Officer | P | Series B Common Stock Warrant (right to buy) | 1603 | $0.00 | 1,603.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Parker Craig C | Chief Executive Officer | P | Series C Common Stock Warrant (right to buy) | 5712 | $0.00 | 5,712.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Parker Craig C | Chief Executive Officer | P | Series D Common Stock Warrant (right to buy) | 5712 | $0.00 | 5,712.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Series A Common Warrants | 102651 | $0.00 | 193,548.0000 | 0 | 112.93% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Series B Common Warrants | 98870 | $0.00 | 210,526.0000 | 0 | 88.55% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Series B Common Warrants | 111656 | $0.00 | 210,526.0000 | 0 | 112.93% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Series C Common Warrants | 352225 | $0.00 | 749,998.0000 | 0 | 88.55% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Series C Common Warrants | 397773 | $0.00 | 749,998.0000 | 0 | 112.93% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Series D Common Warrants | 352225 | $0.00 | 749,998.0000 | 0 | 88.55% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Series D Common Warrants | 397773 | $0.00 | 749,998.0000 | 0 | 112.93% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 90897 | $15.50 | 627,652.0000 | 0 | 16.93% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Common Stock | 102651 | $15.50 | 627,652.0000 | 0 | 19.55% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Series A Common Warrants | 90897 | $0.00 | 193,548.0000 | 0 | 88.55% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Series A Common Warrants | 102651 | $0.00 | 193,548.0000 | 0 | 112.93% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Series B Common Warrants | 98870 | $0.00 | 210,526.0000 | 0 | 88.55% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Series B Common Warrants | 111656 | $0.00 | 210,526.0000 | 0 | 112.93% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Series C Common Warrants | 352225 | $0.00 | 749,998.0000 | 0 | 88.55% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Series C Common Warrants | 397773 | $0.00 | 749,998.0000 | 0 | 112.93% | 0.00% |
| April 4, 2024 | Williams Charles O | CFO and COO | P | Common Stock | 1474 | $0.00 | 1,474.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Williams Charles O | CFO and COO | P | Series A Common Stock Warrant (right to buy) | 1474 | $0.00 | 1,474.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | Williams Charles O | CFO and COO | P | Series C Common Stock Warrant (right to buy) | 5712 | $0.00 | 5,712.0000 | 0 | 9999.99% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Series D Common Warrants | 352225 | $0.00 | 749,998.0000 | 0 | 88.55% | 0.00% |
| April 4, 2024 | COLUMN GROUP III GP, LP | Not found | P | Series D Common Warrants | 397773 | $0.00 | 749,998.0000 | 0 | 112.93% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Common Stock | 90897 | $15.50 | 627,652.0000 | 0 | 16.93% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Common Stock | 102651 | $15.50 | 627,652.0000 | 0 | 19.55% | 0.00% |
| April 4, 2024 | Kutzkey Tim | Not found | P | Series A Common Warrants | 90897 | $0.00 | 193,548.0000 | 0 | 88.55% | 0.00% |
| Jan. 29, 2024 | Parker Craig C | Chief Executive Officer | A | Option (right to buy) | 33 | $0.00 | 33.0000 | 0 | 9999.99% | 0.00% |
| Dec. 15, 2023 | Williams Charles O | Chief Financial Officer | A | Common Stock | 2085 | $5.67 | 2,085.0000 | 0 | 9999.99% | 0.00% |
| Dec. 15, 2023 | Li Yang | Exec. Vice President, Research | A | Common Stock | 2085 | $5.67 | 2,085.0000 | 0 | 9999.99% | 0.00% |
| Dec. 15, 2023 | Parker Craig C | Chief Executive Officer | A | Common Stock | 2046 | $5.67 | 2,046.0000 | 0 | 9999.99% | 0.00% |
| June 15, 2023 | Parker Craig C | Chief Executive Officer | A | Common Stock | 25000 | $0.38 | 34,578.0000 | 0 | 261.01% | 0.00% |
| June 15, 2023 | Yeh Wen-Chen | Chief Scientific Officer | A | Common Stock | 17638 | $0.38 | 27,216.0000 | 0 | 184.15% | 0.00% |
| June 15, 2023 | Williams Charles O | Chief Financial Officer | A | Common Stock | 25000 | $0.38 | 34,578.0000 | 0 | 261.01% | 0.00% |
| May 18, 2023 | Berkenblit Anna | Not found | A | Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | Lin Shao-Lee | Not found | A | Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | WOODHOUSE DAVID J | Not found | A | Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | Rothenberg Mace | Not found | A | Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | Kutzkey Tim | Not found | A | Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | CHAI CHRISTOPHER Y | Not found | A | Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | Haak-Frendscho Mary | Not found | A | Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | BJERKHOLT ERIC | Not found | A | Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| March 1, 2023 | Parker Craig C | Chief Executive Officer | A | Option (right to buy) | 405000 | $0.00 | 405,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 1, 2023 | Yeh Wen-Chen | Chief Scientific Officer | A | Option (right to buy) | 125000 | $0.00 | 125,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 1, 2023 | Williams Charles O | Chief Financial Officer | A | Option (right to buy) | 125000 | $0.00 | 125,000.0000 | 0 | 9999.99% | 0.00% |