In the last 12 months, insiders at Xilio Therapeutics, Inc. ($XLO) filed 121 transactions with the SEC: 4 open-market purchases totaling $116,715 and 10 sales totaling $18,551. Net insider sentiment: net buying.
Xilio Therapeutics, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- Shannon James Samuel (Not found) — 5 transactions totaling $92,035
- Russo Rene (PRESIDENT AND CEO) — 27 transactions totaling $24,680
- Frankenfield Christopher James (Chief Financial Officer) — 26 transactions totaling $11,362
- Atlas Venture Fund XI, L.P. (TenPercentOwner) — 6 transactions totaling $4,240
- Brennan Kevin M. (SVP, FINANCE AND ACCOUNTING) — 18 transactions totaling $2,948
View all SEC Filings for Xilio Therapeutics, Inc. (XLO).
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 26, 2026 | Shannon James Samuel | Not found | P | Common Stock | 5000 | $8.79 | 10,000.0000 | 144,106,869 | 100.00% | 0.00% |
| Jan. 1, 2026 | Russo Rene | PRESIDENT AND CEO | M | Restricted Stock Units | 44250 | $0.00 | 88,500.0000 | 144,106,869 | 33.33% | 0.03% |
| Dec. 31, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 1500258 | $0.00 | 1,500,258.0000 | 144,106,869 | 9999.99% | 1.04% |
| Jan. 1, 2026 | Russo Rene | PRESIDENT AND CEO | M | Common Stock | 44250 | $0.00 | 325,422.0000 | 144,106,869 | 15.74% | 0.03% |
| Jan. 1, 2026 | Frankenfield Christopher James | Chief Financial Officer | M | Restricted Stock Units | 19375 | $0.00 | 38,750.0000 | 144,106,869 | 33.33% | 0.01% |
| Dec. 31, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 668789 | $0.00 | 668,789.0000 | 144,106,869 | 9999.99% | 0.46% |
| Jan. 2, 2026 | Frankenfield Christopher James | Chief Financial Officer | S | Common Stock | 7030 | $0.64 | 24,766.0000 | 144,106,869 | 22.11% | 0.00% |
| Jan. 1, 2026 | Frankenfield Christopher James | Chief Financial Officer | M | Common Stock | 19375 | $0.00 | 31,796.0000 | 144,106,869 | 155.99% | 0.01% |
| Jan. 1, 2026 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | M | Restricted Stock Units | 5000 | $0.00 | 10,000.0000 | 144,106,869 | 33.33% | 0.00% |
| Dec. 31, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | A | Stock Option (right to buy) | 95221 | $0.00 | 95,221.0000 | 144,106,869 | 9999.99% | 0.07% |
| Jan. 2, 2026 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | S | Common Stock | 1826 | $0.64 | 6,371.0000 | 144,106,869 | 22.28% | 0.00% |
| Jan. 1, 2026 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | M | Common Stock | 5000 | $0.00 | 8,197.0000 | 144,106,869 | 156.40% | 0.00% |
| Jan. 1, 2026 | Luptakova Katarina | CHIEF MEDICAL OFFICER | M | Restricted Stock Units | 16625 | $0.00 | 33,250.0000 | 144,106,869 | 33.33% | 0.01% |
| Jan. 1, 2026 | Luptakova Katarina | CHIEF MEDICAL OFFICER | M | Common Stock | 16625 | $0.00 | 33,250.0000 | 144,106,869 | 100.00% | 0.01% |
| Dec. 31, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 451885 | $0.00 | 451,885.0000 | 144,106,869 | 9999.99% | 0.31% |
| Nov. 26, 2025 | GILEAD SCIENCES, INC. | TenPercentOwner | X | Series B Warrants (right to buy) | 13335000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 9.25% |
| Nov. 26, 2025 | GILEAD SCIENCES, INC. | TenPercentOwner | X | Prefunded Warrants (right to buy) | 13335000 | $0.75 | 36,645,266.0000 | 144,106,869 | 57.21% | 9.25% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 300000 | $0.00 | 300,000.0000 | 144,106,869 | 9999.99% | 0.21% |
| Nov. 21, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | A | Stock Option (right to buy) | 131700 | $0.00 | 131,700.0000 | 144,106,869 | 9999.99% | 0.09% |
| Nov. 21, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | D | Stock Option (right to buy) | 55000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.04% |
| Nov. 21, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | A | Stock Option (right to buy) | 55000 | $0.00 | 55,000.0000 | 144,106,869 | 9999.99% | 0.04% |
| Nov. 21, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | D | Stock Option (right to buy) | 25000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.02% |
| Nov. 21, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | A | Stock Option (right to buy) | 25000 | $0.00 | 25,000.0000 | 144,106,869 | 9999.99% | 0.02% |
| Nov. 21, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | D | Stock Option (right to buy) | 20000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.01% |
| Nov. 21, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | A | Stock Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 144,106,869 | 9999.99% | 0.01% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 925000 | $0.00 | 925,000.0000 | 144,106,869 | 9999.99% | 0.64% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | D | Stock Option (right to buy) | 155090 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.11% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 155090 | $0.00 | 155,090.0000 | 144,106,869 | 50.00% | 0.11% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | D | Stock Option (right to buy) | 23786 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.02% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 23786 | $0.00 | 23,786.0000 | 144,106,869 | 9999.99% | 0.02% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | D | Stock Option (right to buy) | 37296 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.03% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 37296 | $0.00 | 37,296.0000 | 144,106,869 | 9999.99% | 0.03% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | D | Stock Option (right to buy) | 45000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.03% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 45000 | $0.00 | 45,000.0000 | 144,106,869 | 9999.99% | 0.03% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | D | Stock Option (right to buy) | 20000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.01% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 144,106,869 | 9999.99% | 0.01% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | D | Stock Option (right to buy) | 117000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.08% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 117000 | $0.00 | 117,000.0000 | 144,106,869 | 9999.99% | 0.08% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | D | Stock Option (right to buy) | 150000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.10% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 150000 | $0.00 | 150,000.0000 | 144,106,869 | 9999.99% | 0.10% |
| Nov. 21, 2025 | Frankenfield Christopher James | Chief Financial Officer | D | Stock Option (right to buy) | 300000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.21% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 625000 | $0.00 | 625,000.0000 | 144,106,869 | 9999.99% | 0.43% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | D | Stock Option (right to buy) | 44210 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.03% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 44210 | $0.00 | 44,210.0000 | 144,106,869 | 9999.99% | 0.03% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | D | Stock Option (right to buy) | 15000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.01% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 15000 | $0.00 | 15,000.0000 | 144,106,869 | 9999.99% | 0.01% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | D | Stock Option (right to buy) | 35000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.02% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 35000 | $0.00 | 35,000.0000 | 144,106,869 | 9999.99% | 0.02% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | D | Stock Option (right to buy) | 25000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.02% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 25000 | $0.00 | 25,000.0000 | 144,106,869 | 9999.99% | 0.02% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | D | Stock Option (right to buy) | 106000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.07% |
| Nov. 21, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 106000 | $0.00 | 106,000.0000 | 144,106,869 | 9999.99% | 0.07% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 2075000 | $0.00 | 2,075,000.0000 | 144,106,869 | 9999.99% | 1.44% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | D | Stock Option (right to buy) | 239703 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.17% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 239703 | $0.00 | 239,703.0000 | 144,106,869 | 9999.99% | 0.17% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | D | Stock Option (right to buy) | 473334 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.33% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 473334 | $0.00 | 473,334.0000 | 144,106,869 | 9999.99% | 0.33% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | D | Stock Option (right to buy) | 135134 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.09% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 135134 | $0.00 | 135,134.0000 | 144,106,869 | 9999.99% | 0.09% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | D | Stock Option (right to buy) | 50041 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.03% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 50041 | $0.00 | 50,041.0000 | 144,106,869 | 9999.99% | 0.03% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | D | Stock Option (right to buy) | 100000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.07% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 100000 | $0.00 | 100,000.0000 | 144,106,869 | 9999.99% | 0.07% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | D | Stock Option (right to buy) | 150000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.10% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 150000 | $0.00 | 150,000.0000 | 144,106,869 | 9999.99% | 0.10% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | D | Stock Option (right to buy) | 350000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.24% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 350000 | $0.00 | 350,000.0000 | 144,106,869 | 9999.99% | 0.24% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | D | Stock Option (right to buy) | 700000 | $0.00 | 0.0000 | 144,106,869 | 100.00% | 0.49% |
| Nov. 21, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 700000 | $0.00 | 700,000.0000 | 144,106,869 | 9999.99% | 0.49% |
| June 16, 2025 | Shannon James Samuel | Not found | P | Common Stock | 45000 | $0.69 | 45,000.0000 | 63,465,063 | 9999.99% | 0.07% |
| June 16, 2025 | Russo Rene | PRESIDENT AND CEO | P | Common Stock | 36289 | $0.68 | 281,172.0000 | 63,465,063 | 14.82% | 0.06% |
| June 17, 2025 | Shannon James Samuel | Not found | P | Common Stock | 25000 | $0.69 | 70,000.0000 | 63,465,063 | 55.56% | 0.04% |
| June 11, 2025 | Clancy Paul J | Not found | A | Stock Option (right to buy) | 31000 | $0.00 | 31,000.0000 | 63,465,063 | 9999.99% | 0.05% |
| June 11, 2025 | Xu Yuan | Not found | A | Stock Option (right to buy) | 31000 | $0.00 | 31,000.0000 | 63,465,063 | 9999.99% | 0.05% |
| June 11, 2025 | Shannon James Samuel | Not found | A | Stock Option (right to buy) | 31000 | $0.00 | 31,000.0000 | 63,465,063 | 9999.99% | 0.05% |
| June 11, 2025 | Rossi Christina | Not found | A | Stock Option (right to buy) | 31000 | $0.00 | 31,000.0000 | 63,465,063 | 9999.99% | 0.05% |
| June 10, 2025 | Bello Akintunde Olatokumbo | Not found | A | Stock Option (right to buy) | 62000 | $0.00 | 62,000.0000 | 63,465,063 | 9999.99% | 0.10% |
| June 11, 2025 | ROSS ROBERT W. | Not found | A | Stock Option (right to buy) | 31000 | $0.00 | 31,000.0000 | 63,465,063 | 9999.99% | 0.05% |
| June 11, 2025 | Bonstein Sara | Not found | A | Stock Option (right to buy) | 31000 | $0.00 | 31,000.0000 | 63,465,063 | 9999.99% | 0.05% |
| June 11, 2025 | Curran Daniel J. | Not found | A | Stock Option (right to buy) | 31000 | $0.00 | 31,000.0000 | 63,465,063 | 9999.99% | 0.05% |
| June 11, 2025 | Brennan Aoife | Not found | A | Stock Option (right to buy) | 31000 | $0.00 | 31,000.0000 | 63,465,063 | 9999.99% | 0.05% |
| April 15, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 190000 | $0.00 | 190,000.0000 | 63,465,063 | 9999.99% | 0.30% |
| April 15, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 75000 | $0.00 | 75,000.0000 | 63,465,063 | 9999.99% | 0.12% |
| Jan. 1, 2025 | Frankenfield Christopher James | Chief Financial Officer | M | Common Stock | 19375 | $0.00 | 19,375.0000 | 63,465,063 | 9999.99% | 0.03% |
| Jan. 2, 2025 | Frankenfield Christopher James | Chief Financial Officer | S | Common stock | 6954 | $0.98 | 12,421.0000 | 63,465,063 | 35.89% | 0.01% |
| Jan. 1, 2025 | Frankenfield Christopher James | Chief Financial Officer | M | Restricted Stock Units | 19375 | $0.00 | 58,125.0000 | 63,465,063 | 25.00% | 0.03% |
| Jan. 1, 2025 | Frankenfield Christopher James | Chief Financial Officer | A | Stock Option (right to buy) | 251000 | $0.00 | 251,000.0000 | 63,465,063 | 9999.99% | 0.40% |
| Jan. 1, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | M | Common Stock | 5000 | $0.00 | 5,000.0000 | 63,465,063 | 9999.99% | 0.01% |
| Jan. 2, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | S | Common stock | 1803 | $0.98 | 3,197.0000 | 63,465,063 | 36.06% | 0.00% |
| Jan. 1, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | M | Restricted Stock Units | 5000 | $0.00 | 15,000.0000 | 63,465,063 | 25.00% | 0.01% |
| Jan. 1, 2025 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | A | Stock Option (right to buy) | 60000 | $0.00 | 60,000.0000 | 63,465,063 | 9999.99% | 0.09% |
| Jan. 1, 2025 | Russo Rene | PRESIDENT AND CEO | M | Common Stock | 44250 | $0.00 | 244,883.0000 | 63,465,063 | 22.06% | 0.07% |
| Jan. 1, 2025 | Russo Rene | PRESIDENT AND CEO | M | Restricted Stock Units | 44250 | $0.00 | 132,750.0000 | 63,465,063 | 25.00% | 0.07% |
| Jan. 1, 2025 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 638000 | $0.00 | 638,000.0000 | 63,465,063 | 9999.99% | 1.01% |
| Jan. 1, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 200000 | $0.00 | 200,000.0000 | 63,465,063 | 9999.99% | 0.32% |
| Jan. 1, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | M | Restricted Stock Units | 16625 | $0.00 | 49,875.0000 | 63,465,063 | 25.00% | 0.03% |
| Jan. 1, 2025 | Luptakova Katarina | CHIEF MEDICAL OFFICER | M | Common Stock | 16625 | $0.00 | 16,625.0000 | 63,465,063 | 9999.99% | 0.03% |
| Oct. 1, 2024 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | A | Stock Option (right to buy) | 26000 | $0.00 | 26,000.0000 | 63,465,063 | 9999.99% | 0.04% |
| Aug. 3, 2024 | Frankenfield Christopher James | Chief Operating Officer | A | Stock Option (right to buy) | 52000 | $0.00 | 52,000.0000 | 0 | 9999.99% | 0.00% |
| June 14, 2024 | Rossi Christina | Not found | A | Stock Option (right to buy) | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |
| June 14, 2024 | Bonstein Sara | Not found | A | Stock Option (right to buy) | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |
| June 14, 2024 | ROSS ROBERT W. | Not found | A | Stock Option (right to buy) | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |
| June 14, 2024 | Xu Yuan | Not found | A | Stock Option (right to buy) | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |
| June 13, 2024 | Shannon James Samuel | Not found | A | Stock Option (right to buy) | 50000 | $0.00 | 50,000.0000 | 0 | 9999.99% | 0.00% |
| June 14, 2024 | Clancy Paul J | Not found | A | Stock Option (right to buy) | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |
| June 13, 2024 | Brennan Aoife | Not found | A | Stock Option (right to buy) | 50000 | $0.00 | 50,000.0000 | 0 | 9999.99% | 0.00% |
| June 14, 2024 | Curran Daniel J. | Not found | A | Stock Option (right to buy) | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |
| May 1, 2024 | Russo Rene | PRESIDENT AND CEO | A | Stock Option (right to buy) | 474000 | $0.00 | 474,000.0000 | 0 | 9999.99% | 0.00% |
| May 1, 2024 | Frankenfield Christopher James | CHIEF OPERATING OFFICER | A | Stock Option (right to buy) | 208000 | $0.00 | 208,000.0000 | 0 | 9999.99% | 0.00% |
| May 1, 2024 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | A | Stock Option (right to buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| May 1, 2024 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 59333 | $0.00 | 59,333.0000 | 0 | 9999.99% | 0.00% |
| Feb. 8, 2024 | Atlas Venture Fund XI, L.P. | TenPercentOwner | S | Common Stock | 733 | $0.64 | 2,754,109.0000 | 0 | 0.03% | 0.00% |
| Feb. 8, 2024 | Atlas Venture Fund XI, L.P. | TenPercentOwner | S | Common Stock | 267 | $0.64 | 2,754,109.0000 | 0 | 0.01% | 0.00% |
| Jan. 11, 2024 | Atlas Venture Fund XI, L.P. | TenPercentOwner | S | Common Stock | 1566 | $0.87 | 2,756,649.0000 | 0 | 0.06% | 0.00% |
| Jan. 12, 2024 | Atlas Venture Fund XI, L.P. | TenPercentOwner | S | Common Stock | 1540 | $0.83 | 2,755,109.0000 | 0 | 0.06% | 0.00% |
| Jan. 12, 2024 | Atlas Venture Fund XI, L.P. | TenPercentOwner | S | Common Stock | 560 | $0.83 | 2,755,109.0000 | 0 | 0.02% | 0.00% |
| Jan. 11, 2024 | Atlas Venture Fund XI, L.P. | TenPercentOwner | S | Common Stock | 569 | $0.87 | 2,755,669.0000 | 0 | 0.02% | 0.00% |
| Jan. 1, 2024 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | A | Restricted Stock Units | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 1, 2024 | Luptakova Katarina | CHIEF MEDICAL OFFICER | A | Restricted Stock Units | 66500 | $0.00 | 66,500.0000 | 0 | 9999.99% | 0.00% |
| Jan. 1, 2024 | Frankenfield Christopher James | CHIEF OPERATING OFFICER | A | Restricted Stock Units | 77500 | $0.00 | 77,500.0000 | 0 | 9999.99% | 0.00% |
| Jan. 1, 2024 | Russo Rene | PRESIDENT AND CEO | A | Restricted Stock Units | 177000 | $0.00 | 177,000.0000 | 0 | 9999.99% | 0.00% |