Protopapas Anna
SEC insider (Form 3/4/5 filer). CIK 0001347582. Director at Nuvalent, Inc. (NUVL) and 1 other issuer. 31 reported Form 4/5 transactions since Sep 2024; latest on Jul 15, 2026. Located in CAMBRIDGE, MA.
Companies Protopapas Anna has filed insider reports for
- Nuvalent, Inc. (NUVL): Director
- Mersana Therapeutics, Inc. (MRSN): Director
Protopapas Anna
CIK: 0001347582
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 (31 total)
- Jul 15, 2026NUVL
Nuvalent, Inc.
Tender OfferDirect5.1K shares at avg. $124.00$638K - Jul 15, 2026NUVL
Nuvalent, Inc.
DispositionDirect3.4K shares- - Jun 16, 2026NUVL
Nuvalent, Inc.
AwardDirect3.4K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
DispositionDirectStock Option (right to buy)
2.5K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Tender OfferDirect6.7K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
DispositionDirectStock Option (right to buy)
2.5K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Tender OfferIndirect2.9K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
Tender OfferIndirect9.6K shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
DispositionDirectStock Option (right to buy)
480 shares- - Jan 6, 2026MRSN
Mersana Therapeutics, Inc.
DispositionDirectStock Option (right to buy)
7.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 15, 2026 |  NUVL Nuvalent, Inc. | Tender Offer | 5,146 | $124.00 | $638,104 | Direct |
| Jul 15, 2026 | NUVL Nuvalent, Inc. | Disposition | 3,444 | - | $0 | Direct |
| Jun 16, 2026 | NUVL Nuvalent, Inc. | Award | 3,444 | - | $0 | Direct |
| Jan 6, 2026 |  MRSN Mersana Therapeutics, Inc. | Disposition Stock Option (right to buy) | 2,500 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Tender Offer | 6,721 | - | $0 | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition Stock Option (right to buy) | 2,460 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Tender Offer | 2,890 | - | $0 | Indirect |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Tender Offer | 9,609 | - | $0 | Indirect |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition Stock Option (right to buy) | 480 | - | - | Direct |
| Jan 6, 2026 | MRSN Mersana Therapeutics, Inc. | Disposition Stock Option (right to buy) | 7,519 | - | - | Direct |
1-10 of 31 transactions