DUNCAN BARBARA GAYLE has filed 21 insider transactions across 3 companies since February 2023.
Most recent transaction: a grant/award of 6040 shares of HALOZYME THERAPEUTICS, INC. ($HALO) on May 05, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 5, 2026 | HALOZYME THERAPEUTICS, INC. | $HALO | DUNCAN BARBARA GAYLE | Director | A | Option to Purchase Common Stock | 6040 | $0.00 | 6,040.0000 | 123,904,000 | 9999.99% | 0.00% |
| May 5, 2026 | HALOZYME THERAPEUTICS, INC. | $HALO | DUNCAN BARBARA GAYLE | Director | A | Common Stock | 3796 | $0.00 | 23,715.0000 | 123,904,000 | 19.06% | 0.00% |
| Feb. 26, 2026 | Ovid Therapeutics Inc. | $OVID | DUNCAN BARBARA GAYLE | Not found | A | Employee Stock Option (Right to Buy) | 65000 | $0.00 | 65,000.0000 | 71,212,353 | 9999.99% | 0.09% |
| June 20, 2025 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Not found | M | Restricted Stock Units | 29600 | $0.00 | 0.0000 | 85,525,179 | 100.00% | 0.03% |
| June 20, 2025 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Not found | M | Common Stock | 29600 | $0.00 | 62,750.0000 | 85,525,179 | 89.29% | 0.03% |
| June 20, 2025 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Not found | A | Restricted Stock Units | 29600 | $0.00 | 29,600.0000 | 85,525,179 | 9999.99% | 0.03% |
| June 20, 2025 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Not found | A | Stock Option (Right to Buy) | 41200 | $0.00 | 41,200.0000 | 85,525,179 | 9999.99% | 0.05% |
| Feb. 20, 2025 | Ovid Therapeutics Inc. | $OVID | Duncan Barbara Gayle | Not found | A | Stock Option (right to buy) | 45000 | $0.00 | 45,000.0000 | 0 | 9999.99% | 0.00% |
| May 1, 2025 | HALOZYME THERAPEUTICS, INC. | $HALO | Duncan Barbara Gayle | Not found | A | Common Stock | 4165 | $0.00 | 19,919.0000 | 129,424,000 | 26.44% | 0.00% |
| May 1, 2025 | HALOZYME THERAPEUTICS, INC. | $HALO | Duncan Barbara Gayle | Not found | A | Option to Purchase Common Stock | 5750 | $0.00 | 5,750.0000 | 129,424,000 | 9999.99% | 0.00% |
| Dec. 12, 2024 | Ovid Therapeutics Inc. | $OVID | Duncan Barbara Gayle | Not found | A | Stock Option (Right to Buy) | 90000 | $0.00 | 90,000.0000 | 0 | 9999.99% | 0.00% |
| June 21, 2024 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Not found | A | Stock Option (Right to Buy) | 41200 | $0.00 | 41,200.0000 | 0 | 9999.99% | 0.00% |
| June 21, 2024 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Not found | A | Restricted Stock Units | 29600 | $0.00 | 29,600.0000 | 0 | 9999.99% | 0.00% |
| June 16, 2024 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Not found | M | Restricted Stock Units | 33150 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| June 16, 2024 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Not found | M | Common Stock | 33150 | $0.00 | 33,150.0000 | 0 | 9999.99% | 0.00% |
| April 25, 2024 | HALOZYME THERAPEUTICS, INC. | $HALO | Duncan Barbara Gayle | Not found | A | Common Stock | 6501 | $0.00 | 15,754.0000 | 134,197,000 | 70.26% | 0.00% |
| April 25, 2024 | HALOZYME THERAPEUTICS, INC. | $HALO | Duncan Barbara Gayle | Not found | A | Option to Purchase Common Stock | 8804 | $0.00 | 8,804.0000 | 134,197,000 | 9999.99% | 0.01% |
| Feb. 22, 2024 | Ovid Therapeutics Inc. | $OVID | Duncan Barbara Gayle | Director | A | Stock Option (Right to Buy) | 30000 | $0.00 | 30,000.0000 | 0 | 9999.99% | 0.00% |
| June 16, 2023 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Director | A | Restricted Stock Units | 33150 | $0.00 | 33,150.0000 | 0 | 9999.99% | 0.00% |
| June 16, 2023 | Atea Pharmaceuticals, Inc. | $AVIR | Duncan Barbara Gayle | Director | A | Stock Option (Right to Buy) | 46750 | $0.00 | 46,750.0000 | 0 | 9999.99% | 0.00% |
| Feb. 23, 2023 | Ovid Therapeutics Inc. | $OVID | Duncan Barbara Gayle | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |