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Mason Heather L
DirectorCIK 0001432601
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 5
- Buy transactions
- 0
- Sell transactions
- 0
- Companies
- 2
- Active
- 2026
Mason Heather L, Director, has filed 5 SEC reports (2026), spread across 2 companies, totaling $1.1M in disclosed volume. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
5 loaded
| Jun 18 | IMTX Immatics N.V. | Mason Heather L | Director | Award | $436.3K |
| Jun 16 | ASRT Assertio Holdings, Inc. | Mason Heather L | Director | Disposed | $677.1K |
| May 15 | ASRT Assertio Holdings, Inc. | Mason Heather L | Director | Gift | $0 |
| May 6 | ASRT Assertio Holdings, Inc. | Mason Heather L | Director | Grant | $0 |
| Mar 18 | IMTX Immatics N.V. | Mason Heather L | Director | Other | $0 |
5 filings