Dubow Adam, General Counsel and Secretary at Day One Biopharmaceuticals ($DAWN), made four open market sales of company shares over the last year, totaling about $171,000. His most recent sale occurred on February 17, 2026. These transactions rank 8,753rd out of 11,678 insiders by sale value, well below the average of $8.6 million across 6.4 transactions per insider. He reported no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 3688 | $0.00 | 25,816.0000 | 103,381,315 | 12.50% | 0.00% |
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 4375 | $0.00 | 65,625.0000 | 103,381,315 | 6.25% | 0.00% |
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 1750 | $0.00 | 5,250.0000 | 103,381,315 | 25.00% | 0.00% |
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 40,565.0000 | 103,381,315 | 8.33% | 0.00% |
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 2963 | $0.00 | 65,589.0000 | 103,381,315 | 4.73% | 0.00% |
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 1750 | $0.00 | 67,339.0000 | 103,381,315 | 2.67% | 0.00% |
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 3688 | $0.00 | 71,027.0000 | 103,381,315 | 5.48% | 0.00% |
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 3687 | $0.00 | 74,714.0000 | 103,381,315 | 5.19% | 0.00% |
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 4375 | $0.00 | 79,089.0000 | 103,381,315 | 5.86% | 0.00% |
| Feb. 17, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | S | Common Stock | 6395 | $11.60 | 72,694.0000 | 103,381,315 | 8.09% | 0.01% |
| Feb. 15, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 2963 | $0.00 | 8,889.0000 | 103,381,315 | 25.00% | 0.00% |
| Jan. 30, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | A | Stock Option (right to buy Common Stock) | 105000 | $0.00 | 105,000.0000 | 103,381,315 | 9999.99% | 0.10% |
| Jan. 30, 2026 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | A | Restricted Stock Units | 70000 | $0.00 | 70,000.0000 | 103,381,315 | 9999.99% | 0.07% |
| Nov. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 3687 | $0.00 | 63,258.0000 | 103,381,315 | 6.19% | 0.00% |
| Nov. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 2963 | $0.00 | 57,821.0000 | 103,381,315 | 5.40% | 0.00% |
| Nov. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 44,252.0000 | 103,381,315 | 7.69% | 0.00% |
| Nov. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 29,504.0000 | 103,381,315 | 11.11% | 0.00% |
| Nov. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 1750 | $0.00 | 7,000.0000 | 103,381,315 | 20.00% | 0.00% |
| Nov. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 2963 | $0.00 | 11,852.0000 | 103,381,315 | 20.00% | 0.00% |
| Nov. 17, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | S | Common Stock | 4319 | $8.91 | 62,626.0000 | 103,381,315 | 6.45% | 0.00% |
| Nov. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 3687 | $0.00 | 66,945.0000 | 103,381,315 | 5.83% | 0.00% |
| Nov. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 1750 | $0.00 | 59,571.0000 | 103,381,315 | 3.03% | 0.00% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | A | Stock Option (right to buy Common Stock) | 309000 | $0.00 | 309,000.0000 | 103,381,315 | 9999.99% | 0.30% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | D | Stock Option (right to buy Common Stock) | 90000 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.09% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | A | Stock Option (right to buy Common Stock) | 90000 | $0.00 | 90,000.0000 | 103,381,315 | 9999.99% | 0.09% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | D | Stock Option (right to buy Common Stock) | 90000 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.09% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | A | Stock Option (right to buy Common Stock) | 90000 | $0.00 | 90,000.0000 | 103,381,315 | 9999.99% | 0.09% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | D | Stock Option (right to buy Common Stock) | 90000 | $0.00 | 0.0000 | 103,381,315 | 100.00% | 0.09% |
| Nov. 6, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | A | Stock Option (right to buy Common Stock) | 90000 | $0.00 | 90,000.0000 | 103,381,315 | 9999.99% | 0.09% |
| Aug. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 3687 | $0.00 | 59,223.0000 | 93,234,195 | 6.64% | 0.00% |
| Aug. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 3687 | $0.00 | 55,536.0000 | 93,234,195 | 7.11% | 0.00% |
| Aug. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 2963 | $0.00 | 50,099.0000 | 93,234,195 | 6.29% | 0.00% |
| Aug. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Common Stock | 1750 | $0.00 | 51,849.0000 | 93,234,195 | 3.49% | 0.00% |
| Aug. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 1750 | $0.00 | 8,750.0000 | 93,234,195 | 16.67% | 0.00% |
| Aug. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 33,191.0000 | 93,234,195 | 10.00% | 0.00% |
| Aug. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 47,939.0000 | 93,234,195 | 7.14% | 0.00% |
| Aug. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | M | Restricted Stock Unit (RSU) | 2963 | $0.00 | 14,815.0000 | 93,234,195 | 16.67% | 0.00% |
| Aug. 18, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | Gen Counsel & Secretary | S | Common Stock | 4365 | $6.77 | 54,858.0000 | 93,234,195 | 7.37% | 0.00% |
| May 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 3687 | $0.00 | 48,001.0000 | 93,234,195 | 8.32% | 0.00% |
| May 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 2962 | $0.00 | 42,564.0000 | 93,234,195 | 7.48% | 0.00% |
| May 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 1750 | $0.00 | 44,314.0000 | 93,234,195 | 4.11% | 0.00% |
| May 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 3687 | $0.00 | 51,688.0000 | 93,234,195 | 7.68% | 0.00% |
| May 16, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | S | Common Stock | 4552 | $6.26 | 47,136.0000 | 93,234,195 | 8.81% | 0.00% |
| May 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 2962 | $0.00 | 17,778.0000 | 93,234,195 | 14.28% | 0.00% |
| May 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 1750 | $0.00 | 10,500.0000 | 93,234,195 | 14.29% | 0.00% |
| May 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 36,878.0000 | 93,234,195 | 9.09% | 0.00% |
| May 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 51,626.0000 | 93,234,195 | 6.67% | 0.00% |
| Feb. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 1750 | $0.00 | 36,874.0000 | 93,234,195 | 4.98% | 0.00% |
| Feb. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 3687 | $0.00 | 44,248.0000 | 93,234,195 | 9.09% | 0.00% |
| Feb. 18, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | S | Common Stock | 4646 | $11.96 | 39,602.0000 | 93,234,195 | 10.50% | 0.00% |
| Feb. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 2962 | $0.00 | 20,740.0000 | 93,234,195 | 12.50% | 0.00% |
| Feb. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 1750 | $0.00 | 12,250.0000 | 93,234,195 | 12.50% | 0.00% |
| Feb. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 40,565.0000 | 93,234,195 | 8.33% | 0.00% |
| Feb. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 55,313.0000 | 93,234,195 | 6.25% | 0.00% |
| Feb. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 2962 | $0.00 | 35,124.0000 | 93,234,195 | 9.21% | 0.00% |
| Feb. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 3687 | $0.00 | 40,561.0000 | 93,234,195 | 10.00% | 0.00% |
| Jan. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | A | Restricted Stock Units | 59000 | $0.00 | 59,000.0000 | 93,234,195 | 9999.99% | 0.06% |
| Jan. 15, 2025 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | A | Stock Option (right to buy Common Stock) | 90000 | $0.00 | 90,000.0000 | 93,234,195 | 9999.99% | 0.10% |
| Nov. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 2962 | $0.00 | 29,890.0000 | 96,937,759 | 11.00% | 0.00% |
| Nov. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 44,252.0000 | 96,937,759 | 7.69% | 0.00% |
| Nov. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 1750 | $0.00 | 14,000.0000 | 96,937,759 | 11.11% | 0.00% |
| Nov. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 1750 | $0.00 | 31,640.0000 | 96,937,759 | 5.85% | 0.00% |
| Nov. 18, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | S | Common Stock | 3165 | $13.21 | 32,162.0000 | 96,937,759 | 8.96% | 0.00% |
| Nov. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 3687 | $0.00 | 35,327.0000 | 96,937,759 | 11.65% | 0.00% |
| Nov. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 2962 | $0.00 | 23,702.0000 | 96,937,759 | 11.11% | 0.00% |
| Aug. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 3687 | $0.00 | 30,130.0000 | 79,773,004 | 13.94% | 0.00% |
| Aug. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 47,939.0000 | 79,773,004 | 7.14% | 0.00% |
| Aug. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 1750 | $0.00 | 15,750.0000 | 79,773,004 | 10.00% | 0.00% |
| Aug. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 2962 | $0.00 | 26,664.0000 | 79,773,004 | 10.00% | 0.00% |
| Aug. 16, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | S | Common Stock | 3202 | $14.00 | 26,928.0000 | 79,773,004 | 10.63% | 0.00% |
| Aug. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 1750 | $0.00 | 26,443.0000 | 79,773,004 | 7.09% | 0.00% |
| Aug. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 2962 | $0.00 | 24,693.0000 | 79,773,004 | 13.63% | 0.00% |
| May 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 2962 | $0.00 | 29,626.0000 | 79,773,004 | 9.09% | 0.00% |
| May 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 2962 | $0.00 | 19,547.0000 | 79,773,004 | 17.86% | 0.00% |
| May 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 1750 | $0.00 | 21,297.0000 | 79,773,004 | 8.95% | 0.00% |
| May 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 3687 | $0.00 | 24,984.0000 | 79,773,004 | 17.31% | 0.00% |
| May 16, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | S | Common Stock | 3253 | $16.08 | 21,731.0000 | 79,773,004 | 13.02% | 0.00% |
| May 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 51,626.0000 | 79,773,004 | 6.67% | 0.00% |
| May 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 1750 | $0.00 | 17,500.0000 | 79,773,004 | 9.09% | 0.00% |
| Feb. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 3687 | $0.00 | 55,313.0000 | 79,773,004 | 6.25% | 0.00% |
| Feb. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 1750 | $0.00 | 19,250.0000 | 79,773,004 | 8.33% | 0.00% |
| Feb. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Restricted Stock Unit (RSU) | 2962 | $0.00 | 32,588.0000 | 79,773,004 | 8.33% | 0.00% |
| Feb. 16, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | S | Common Stock | 3242 | $15.25 | 16,585.0000 | 79,773,004 | 16.35% | 0.00% |
| Feb. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 3687 | $0.00 | 19,827.0000 | 79,773,004 | 22.84% | 0.00% |
| Feb. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 1750 | $0.00 | 16,140.0000 | 79,773,004 | 12.16% | 0.00% |
| Feb. 15, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | GENERAL COUNSEL | M | Common Stock | 2962 | $0.00 | 14,390.0000 | 79,773,004 | 25.92% | 0.00% |
| Jan. 5, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | General Counsel | A | Restricted Stock Units | 59000 | $0.00 | 59,000.0000 | 79,773,004 | 9999.99% | 0.07% |
| Jan. 5, 2024 | Day One Biopharmaceuticals, Inc. | $DAWN | Dubow Adam | General Counsel | A | Stock Option (right to buy Common Stock) | 90000 | $0.00 | 90,000.0000 | 79,773,004 | 9999.99% | 0.11% |