Alleva Lawrence M
SEC insider (Form 3/4/5 filer). CIK 0001553053. Director at Galera Therapeutics, Inc. (GRTX) and 2 other issuers. 32 reported Form 4/5 transactions since Sep 2024; latest on Aug 3, 2026. Located in MALVERN, PA.
Companies Alleva Lawrence M has filed insider reports for
- Galera Therapeutics, Inc. (GRTX): Director
- BRIGHT HORIZONS FAMILY SOLUTIONS INC. (BFAM): Director
- Mersana Therapeutics, Inc. (MRSN): Director
Alleva Lawrence M
CIK: 0001553053
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (32 total)
- Aug 3, 2026GRTX
Galera Therapeutics, Inc.
DispositionDirect11 shares- - Aug 3, 2026GRTX
Galera Therapeutics, Inc.
DispositionIndirect40 shares- - Jun 3, 2026BFAM
BRIGHT HORIZONS FAMILY SOLUTIONS INC.
AwardDirect2.1K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
DispositionDirectStock Option (right to buy)
2.2K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
DispositionDirectStock Option (right to buy)
358 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Tender OfferIndirect84 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Tender OfferDirect578 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
DispositionDirectStock Option (right to buy)
384 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
DispositionDirectStock Option (right to buy)
500 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
DispositionDirectStock Option (right to buy)
2.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 3, 2026 |  GRTX Galera Therapeutics, Inc. | Disposition | 11 | - | $0 | Direct |
| Aug 3, 2026 | GRTX Galera Therapeutics, Inc. | Disposition | 40 | - | $0 | Indirect |
| Jun 3, 2026 |  BFAM BRIGHT HORIZONS FAMILY SOLUTIONS INC. | Award | 2,096 | - | $0 | Direct |
| Jan 6, 2026 |  MRSN Mersana Therapeutics, Inc. | Disposition Stock Option (right to buy) | 2,200 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition Stock Option (right to buy) | 358 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Tender Offer | 84 | - | $0 | Indirect |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Tender Offer | 578 | - | $0 | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition Stock Option (right to buy) | 384 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition Stock Option (right to buy) | 500 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition Stock Option (right to buy) | 2,460 | - | - | Direct |
1-10 of 32 transactions