L. Mason Heather's most recent trade in Immatics N.V was a trade of 48,000 Stock Option (Right to Buy) done . Disclosure was reported to the exchange on June 16, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Immatics N.V | Heather L. Mason | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Jun 2026 | 48,000 | 48,000 | - | - | Stock Option (Right to Buy) | |
| Assertio Holdings Inc | Heather L. Mason | Director | Sale or transfer of securities back to the company at price $ 0.00 per share. | 16 Jun 2026 | 36,666 | 0 | - | - | Stock Option (Right to Buy) | |
| Assertio Holdings Inc | Heather L. Mason | Director | 16 Jun 2026 | 20,944 | 0 (0%) | 0% | 0 | Common Stock | ||
| Assertio Holdings Inc | Heather L. Mason | Director | 16 Jun 2026 | 6,666 | 0 (0%) | 0% | 0 | Common Stock | ||
| Assertio Holdings Inc | Heather L. Mason | Director | Sale or transfer of securities back to the company at price $ 0.00 per share. | 16 Jun 2026 | 5,415 | 0 | - | - | Stock Option (Right to Buy) | |
| Assertio Holdings Inc | Heather L. Mason | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 13 May 2026 | 6,666 | 6,666 (0%) | 0% | 0 | Common Stock | |
| Assertio Holdings Inc | Heather L. Mason | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 13 May 2026 | 6,666 | 20,944 (0%) | 0% | 0 | Common Stock | |
| Assertio Holdings Inc | Heather L. Mason | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 05 May 2026 | 4,851 | 27,610 (0%) | 0% | 0 | Common Stock | |
| Assertio Holdings Inc | Heather L. Mason | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2025 | 81,225 | 81,225 | - | - | Stock Option (right to buy) | |
| Assertio Holdings Inc | Heather L. Mason | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 May 2025 | 53,750 | 341,400 (0%) | 0% | 0 | Common Stock | |
| Assertio Holdings Inc | Heather L. Mason | Director | Purchase of securities on an exchange or from another person at price $ 0.80 per share. | 18 Nov 2024 | 75,000 | 287,650 (0%) | 0% | 0.8 | 60,000 | Common Stock |
| Assertio Holdings Inc | Heather L. Mason | Director, Interim Executive Officer | Purchase of securities on an exchange or from another person at price $ 0.97 per share. | 05 Jun 2024 | 25,000 | 212,650 (0%) | 0% | 1.0 | 24,250 | Common Stock |
| Assertio Holdings Inc | L. Mason Heather | Director, Interim CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jan 2024 | 550,000 | 550,000 | - | - | Stock Option (Right to Buy) | |
| Assertio Holdings Inc | Heather L. Mason | Director | Sale of securities on an exchange or to another person at price $ 7.30 per share. | 19 May 2023 | 89,286 | 187,650 (0%) | 0% | 7.3 | 652,011 | Common Stock |
| Assertio Holdings Inc | Heather L. Mason | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 May 2023 | 31,194 | 276,936 (0%) | 0% | 0 | Common Stock | |
| Assertio Holdings Inc | Heather L. Mason | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 May 2023 | 3,821 | 3,821 | - | - | Stock Option (right to buy) | |
| Assertio Holdings Inc | Heather L. Mason | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2022 | 3,598 | 159,455 (0%) | 0% | 0 | Common Stock | |
| Assertio Holdings Inc | Heather L. Mason | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2022 | 3,598 | 0 | - | - | Restricted Stock Units |