Alleva Lawrence M has filed 37 insider transactions across 4 companies since June 2023.
Most recent transaction: a disposition of 500 shares of Mersana Therapeutics, Inc. ($MRSN) on January 06, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 500 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 133 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.00% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 1002 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.02% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 546 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 1800 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.04% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 181 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.00% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 734 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 215 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.00% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 561 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 310 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 159 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.00% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 2200 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.04% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 358 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 384 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | U | Common Stock | 578 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | U | Common Stock | 84 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.00% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 2460 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.05% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 800 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.02% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 142 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.00% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 400 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 544 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 1000 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.02% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 450 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| Jan. 6, 2026 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | D | Stock Option (right to buy) | 368 | $0.00 | 0.0000 | 4,998,750 | 100.00% | 0.01% |
| June 12, 2025 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | A | Stock Option (right to buy) | 61500 | $0.00 | 61,500.0000 | 124,631,339 | 9999.99% | 0.05% |
| June 3, 2025 | BRIGHT HORIZONS FAMILY SOLUTIONS INC. | $BFAM | Alleva Lawrence M | Not found | A | Common Stock | 976 | $0.00 | 11,240.0000 | 58,471,566 | 9.51% | 0.00% |
| Feb. 24, 2025 | Galera Therapeutics, Inc. | $GRTX | Alleva Lawrence M | Not found | A | Stock Option (Right to Buy) | 48000 | $0.00 | 48,000.0000 | 54,633,215 | 9999.99% | 0.09% |
| Jan. 2, 2025 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | A | Stock Option (right to buy) | 12521 | $0.00 | 12,521.0000 | 0 | 9999.99% | 0.00% |
| Oct. 1, 2024 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | A | Stock Option (right to buy) | 9615 | $0.00 | 9,615.0000 | 0 | 9999.99% | 0.00% |
| July 1, 2024 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | A | Stock Option (right to buy) | 8972 | $0.00 | 8,972.0000 | 0 | 9999.99% | 0.00% |
| July 1, 2024 | Adaptimmune Therapeutics PLC | $ADAPY | Alleva Lawrence M | Director | A | Option to purchase Ordinary Shares | 1213926 | $0.00 | 1,213,926.0000 | 1,559,183,774 | 9999.99% | 0.08% |
| June 11, 2024 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | A | Stock Option (right to buy) | 55000 | $0.00 | 55,000.0000 | 0 | 9999.99% | 0.00% |
| June 5, 2024 | BRIGHT HORIZONS FAMILY SOLUTIONS INC. | $BFAM | Alleva Lawrence M | Not found | A | Common Stock | 902 | $0.00 | 10,264.0000 | 57,932,574 | 9.63% | 0.00% |
| April 1, 2024 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | A | Stock Option (right to buy) | 3996 | $0.00 | 3,996.0000 | 0 | 9999.99% | 0.00% |
| Jan. 2, 2024 | Mersana Therapeutics, Inc. | $MRSN | Alleva Lawrence M | Director | A | Stock Option (right to buy) | 7763 | $0.00 | 7,763.0000 | 0 | 9999.99% | 0.00% |
| July 1, 2023 | Galera Therapeutics, Inc. | $GRTX | Alleva Lawrence M | Not found | A | Stock Option (Right to Buy) | 22762 | $0.00 | 22,762.0000 | 0 | 9999.99% | 0.00% |
| June 14, 2023 | Galera Therapeutics, Inc. | $GRTX | Alleva Lawrence M | Director | A | Stock Option (Right to Buy) | 48000 | $0.00 | 48,000.0000 | 0 | 9999.99% | 0.00% |