Mason Heather L
- SEC CIK
- 0001432601
No open-market purchases or sales filed in the past year.
Current role at each company
- IMTX Immatics N.V.Directoras of Jun 18, 2026
- ASRT Assertio Holdings, Inc.Directoras of Jun 16, 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 Mason Heather L 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.
ASRT Assertio Holdings, Inc.
Director3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 19, 2024 (view filing) | Nov 18 | 1 day | Mason Heather LDirector | PPurchase | +75.0K | $0.80 | +$60.0K | +35.3%287.6K after | |
| Jun 6, 2024 (view filing) | Jun 5 | 1 day | Mason Heather LInterim Executive Officer | PPurchase | +25.0K | $0.97 | +$24.3K | +13.3%212.7K after | |
| May 22, 2023 (view filing) | May 19 | 3 days | Mason Heather LDirector | SSale | −89.3K | $7.30 | −$651.8K | −32.2%187.7K after |