Protopapas Anna
- SEC CIK
- 0001347582
No open-market purchases or sales filed in the past year.
Current role at each company
- NUVL Nuvalent, Inc.Directoras of Jul 15, 2026
- MRSN Mersana Therapeutics, Inc.Directoras of Jan 6, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Protopapas Anna as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
MRSN Mersana Therapeutics, Inc.
Director6 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 19, 2021 (view filing) | Jul 16-19 | 3 days | Protopapas AnnaPresident & CEO | SSale | −41.9K | $12.24 | −$513.2K | −12.9%283.0K after | 2 lots |
| Jan 18, 2023 (view filing) | Jan 17 | 1 day | Protopapas AnnaPresident & CEO | SSale | −17.3K | $5.74 | −$99.6K | −26.3%48.7K after | |
| Jan 17, 2024 (view filing) | Jan 16 | 1 day | Protopapas AnnaDirector | SSale | −29.4K | $2.71 | −$79.7K | −19.0%125.2K after | 10b5-1 |
| Jan 15, 2025 (view filing) | Jan 14 | 1 day | Protopapas AnnaDirector | SSale | −11.5K | $0.66 | −$7.61K | −7.4%144.9K after | 10b5-1 |
| Jan 16, 2025 (view filing) | Jan 15 | 1 day | Protopapas AnnaDirector | SSale | −6.19K | $0.63 | −$3.90K | −3.8%155.4K after | 10b5-1 |
| Jan 17, 2025 (view filing) | Jan 16 | 1 day | Protopapas AnnaDirector | SSale | −8.64K | $0.58 | −$5.01K | −4.9%168.0K after | 10b5-1 |
NUVL Nuvalent, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 20, 2023 (view filing) | Dec 18 | 2 days | Protopapas AnnaDirector | SSaleClass A Common Stock | −5.00K | $75.67 | −$378.4K | −100.0%0 after |