Mason Heather L has filed 11 insider transactions across 1 company since May 2023.
Most recent transaction: a gift of 6666 shares of Assertio Holdings, Inc. ($ASRT) on May 13, 2026.
Activity breakdown: 2 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 13, 2026 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Director | G | Common Stock | 6666 | $0.00 | 27,610.0000 | 106,514,000 | 19.45% | 0.01% |
| May 13, 2026 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Director | G | Common Stock | 6666 | $0.00 | 27,610.0000 | 106,514,000 | 31.83% | 0.01% |
| May 5, 2026 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Director | A | Common Stock | 4851 | $0.00 | 27,610.0000 | 106,514,000 | 21.31% | 0.00% |
| May 7, 2025 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Director | A | Common Stock | 53750 | $0.00 | 341,400.0000 | 95,271,000 | 18.69% | 0.06% |
| May 7, 2025 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Director | A | Stock Option (right to buy) | 81225 | $0.00 | 81,225.0000 | 95,271,000 | 9999.99% | 0.09% |
| Nov. 18, 2024 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Director | P | Common Stock | 75000 | $0.80 | 287,650.0000 | 95,352,000 | 35.27% | 0.08% |
| June 5, 2024 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Interim Executive Officer | P | Common Stock | 25000 | $0.97 | 212,650.0000 | 71,031,000 | 13.32% | 0.04% |
| Jan. 2, 2024 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Interim CEO | A | Stock Option (Right to Buy) | 550000 | $0.00 | 550,000.0000 | 71,031,000 | 9999.99% | 0.77% |
| May 19, 2023 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Director | S | Common Stock | 89286 | $7.30 | 187,650.0000 | 0 | 32.24% | 0.00% |
| May 10, 2023 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Director | A | Common Stock | 31194 | $0.00 | 276,936.0000 | 0 | 12.69% | 0.00% |
| May 10, 2023 | Assertio Holdings, Inc. | $ASRT | Mason Heather L | Director | A | Stock Option (right to buy) | 3821 | $0.00 | 3,821.0000 | 0 | 9999.99% | 0.00% |