Lawrence M. Alleva
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.
Disposition(D)Indirect40 shares- - Aug 3, 2026GRTX
Galera Therapeutics, Inc.
Disposition(D)Direct11 shares- - Jun 3, 2026BFAM
BRIGHT HORIZONS FAMILY SOLUTIONS INC.
Award(A)Direct2.1K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
159 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
310 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
561 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
358 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
384 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
500 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
2.2K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
2.5K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
800 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
142 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
400 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
544 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
1K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
450 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
368 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
133 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
1K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
546 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
1.8K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
181 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
215 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Disposition(D)DirectStock Option (right to buy)
734 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 3, 2026 |  GRTX Galera Therapeutics, Inc. | Disposition(D) | 40 | - | $0 | Indirect |
| Aug 3, 2026 | GRTX Galera Therapeutics, Inc. | Disposition(D) | 11 | - | $0 | Direct |
| Jun 3, 2026 |  BFAM BRIGHT HORIZONS FAMILY SOLUTIONS INC. | Award(A) | 2,096 | - | $0 | Direct |
| Jan 6, 2026 |  MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 159 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 310 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 561 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 358 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 384 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 500 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 2,200 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 2,460 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 800 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 142 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 400 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 544 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 1,000 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 450 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 368 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 133 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 1,002 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 546 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 1,800 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 181 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 215 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition(D) Stock Option (right to buy) | 734 | - | - | Direct |
1-25 of 32 transactions
About Alleva Lawrence M
Alleva Lawrence M (SEC CIK 0001553053) files insider reports with the SEC as Director of Galera Therapeutics, Inc. (GRTX), Director of BRIGHT HORIZONS FAMILY SOLUTIONS INC. (BFAM) and Director of Mersana Therapeutics, Inc. (MRSN).
Signal8 holds 8 ownership filings by Alleva Lawrence M, all Form 4s, filed between Oct 3, 2024 and Aug 5, 2026. Those filings report 32 transactions, from Oct 1, 2024 to Aug 3, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Alleva Lawrence M's filings is in MALVERN, PA.
Recent filings by Alleva Lawrence M
Other insiders filing for Galera Therapeutics, Inc. (GRTX)
- Sorensen Mel, President and CEO
- LOKAY KEVIN G, Director
- CHANG NANCY T, Director
- Sussman Joel F., Chief Accounting Officer
- FRIEDMAN MICHAEL R., Director
- Emerald Bioventures, LLC, 10% Owner