Holles Natalie C. has filed 38 insider transactions across 4 companies since January 2024.
Most recent transaction: a grant/award of 2169103 shares of Aura Biosciences, Inc. ($AURA) on May 19, 2026.
Activity breakdown: 0 open-market purchases and 2 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 19, 2026 | Aura Biosciences, Inc. | $AURA | Holles Natalie C. | See Remarks | A | Stock Option (Right to Buy) | 2169103 | $0.00 | 2,169,103.0000 | 65,936,672 | 9999.99% | 3.29% |
| May 19, 2026 | Aura Biosciences, Inc. | $AURA | Holles Natalie C. | See Remarks | A | Common Stock | 553844 | $0.00 | 1,153,962.0000 | 65,936,672 | 92.29% | 0.84% |
| May 19, 2026 | Aura Biosciences, Inc. | $AURA | Holles Natalie C. | See Remarks | A | Common Stock | 600118 | $0.00 | 600,118.0000 | 65,936,672 | 9999.99% | 0.91% |
| May 5, 2026 | LeonaBio, Inc. | $LONA | Holles Natalie C. | Not found | A | Stock Option (Right to Buy) | 56000 | $0.00 | 56,000.0000 | 3,943,887 | 9999.99% | 1.42% |
| April 23, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 37500 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.04% |
| April 23, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 28700 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.03% |
| April 23, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 40300 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.04% |
| April 23, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Common Stock | 57310 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.06% |
| April 23, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 40000 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.04% |
| April 23, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Restricted Stock Unit (RSU) | 15000 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.01% |
| April 23, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 22500 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.02% |
| April 23, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 32335 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.03% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | A | Stock Option (right to buy Common Stock) | 40300 | $0.00 | 40,300.0000 | 103,381,315 | 9999.99% | 0.04% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 40000 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.04% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | A | Stock Option (right to buy Common Stock) | 40000 | $0.00 | 40,000.0000 | 103,381,315 | 9999.99% | 0.04% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 40300 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.04% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 28700 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.03% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | A | Stock Option (right to buy Common Stock) | 28700 | $0.00 | 28,700.0000 | 103,381,315 | 9999.99% | 0.03% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 37500 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.04% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | A | Stock Option (right to buy Common Stock) | 37500 | $0.00 | 37,500.0000 | 103,381,315 | 9999.99% | 0.04% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | D | Stock Option (right to buy Common Stock) | 32335 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.03% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | A | Stock Option (right to buy Common Stock) | 32335 | $0.00 | 32,335.0000 | 103,381,315 | 9999.99% | 0.03% |
| Aug. 11, 2025 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | J | Stock Option | 998854 | $0.00 | 0.0000 | 45,127,797 | 100.00% | 2.21% |
| Aug. 11, 2025 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | J | Common Stock | 1218836 | $0.00 | 0.0000 | 45,127,797 | 100.00% | 2.70% |
| Aug. 11, 2025 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | J | Restricted Stock Unit | 50000 | $0.00 | 0.0000 | 45,127,797 | 100.00% | 0.11% |
| June 2, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | A | Deferred Restricted Stock Unit (RSU) | 15000 | $0.00 | 15,000.0000 | 93,234,195 | 9999.99% | 0.02% |
| June 2, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | A | Stock Option (right to buy Common Stock) | 22500 | $0.00 | 22,500.0000 | 93,234,195 | 9999.99% | 0.02% |
| Jan. 15, 2025 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | A | Restricted Stock Unit | 50000 | $0.00 | 50,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 15, 2025 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | A | Employee Stock Option (right to buy) | 400000 | $0.00 | 400,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Holles Natalie C. | Not found | A | Stock Option (right to buy Common Stock) | 32335 | $0.00 | 32,335.0000 | 79,773,004 | 9999.99% | 0.04% |
| May 9, 2024 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | M | Common Stock | 20222 | $4.20 | 1,239,058.0000 | 0 | 1.66% | 0.00% |
| May 9, 2024 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | M | Employee Stock Option (right to buy) | 20222 | $0.00 | 433,854.0000 | 0 | 4.45% | 0.00% |
| May 9, 2024 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | S | Common Stock | 20222 | $12.18 | 1,218,836.0000 | 0 | 1.63% | 0.00% |
| April 11, 2024 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | S | Common Stock | 13558 | $12.19 | 1,218,836.0000 | 0 | 1.10% | 0.00% |
| April 11, 2024 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | M | Employee Stock Option (right to buy) | 13558 | $0.00 | 454,076.0000 | 0 | 2.90% | 0.00% |
| April 11, 2024 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | M | Common Stock | 13558 | $4.20 | 1,232,394.0000 | 0 | 1.11% | 0.00% |
| Jan. 5, 2024 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | A | Employee Option Grant (right to buy) | 396000 | $0.00 | 396,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 5, 2024 | Third Harmonic Bio, Inc. | $THRD | Holles Natalie C. | CEO | A | Employee Option Grant (right to buy) | 396000 | $0.00 | 396,000.0000 | 0 | 9999.99% | 0.00% |