Insider · CIK 0001855298
Lauren Merendino
Files at DAWN (Day One Biopharmaceuticals, Inc.). First filing May 19, 2025, latest Feb 18, 2026.
Lauren Merendino files SEC Form 4 as officer at DAWN (Day One Biopharmaceuticals, Inc.). Since May 19, 2025, Lauren Merendino has reported 0 open-market buys worth $0 and 4 open-market sells worth $151k, the latest filed on Feb 18, 2026.
A track record needs three past buys with six months of prices behind them; Lauren Merendino has 0, so none is measured yet.
The newest scored trade: sold $67k of DAWN on Feb 17, 2026, filed Feb 18, 2026, scored 23 (weak). In the last 12 months: 0 buys worth $0 and 2 sells worth $101k.
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 23Weak | Day One Biopharmaceuticals, Inc. | $67k 5,814 shares | -9% | - | |
| 21Weak | Day One Biopharmaceuticals, Inc. | $33k 3,726 shares | -7% | - | |
| 20Weak | Day One Biopharmaceuticals, Inc. | $25k 3,766 shares | -8% | - | |
| 20Weak | Day One Biopharmaceuticals, Inc. | $25k 3,927 shares | -10% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| May 16, 2025 | DAWN DAY ONE BIOPHARMACEUTICALS, INC. | 3,927 0.00% of outstanding | $25k | May 16, 2025 | $48k |
Transactions
Every row this insider has filed, 47 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Common Stock | -60,157 | - | - | 0 | Apr 23, 2026 |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Stock Option (right to buy Common Stock)derivative | -330,200 | - | - | 0 | Apr 23, 2026 |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Stock Option (right to buy Common Stock)derivative | -90,000 | - | - | 0 | Apr 23, 2026 |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Stock Option (right to buy Common Stock)derivative | -90,000 | - | - | 0 | Apr 23, 2026 |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Stock Option (right to buy Common Stock)derivative | -110,000 | - | - | 0 | Apr 23, 2026 |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Restricted Stock Unit (RSU)derivative | -18,978 | - | - | 0 | Apr 23, 2026 |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Restricted Stock Unit (RSU)derivative | -25,816 | - | - | 0 | Apr 23, 2026 |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Restricted Stock Unit (RSU)derivative | -40,565 | - | - | 0 | Apr 23, 2026 |
| Apr 23, 2026 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Restricted Stock Unit (RSU)derivative | -69,375 | - | - | 0 | Apr 23, 2026 |
| Feb 15, 2026 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,162 | - | - | 53,971 | Feb 18, 2026 |
| Feb 15, 2026 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,688 | - | - | 57,659 | Feb 18, 2026 |
| Feb 15, 2026 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,687 | - | - | 61,346 | Feb 18, 2026 |
| Feb 15, 2026 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +4,625 | - | - | 65,971 | Feb 18, 2026 |
| Feb 17, 2026 | DAWN Day One Biopharmaceuticals, Inc. | SOpen-market sale Common Stock | -5,814 | $11.60 | $67k | 60,157 | Feb 18, 2026 |
| Feb 15, 2026 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,162 | $0.00 | $0 | 18,978 | Feb 18, 2026 |
| Feb 15, 2026 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,688 | $0.00 | $0 | 25,816 | Feb 18, 2026 |
| Feb 15, 2026 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,687 | $0.00 | $0 | 40,565 | Feb 18, 2026 |
| Feb 15, 2026 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Units (RSU)derivative | -4,625 | $0.00 | $0 | 69,375 | Feb 18, 2026 |
| Jan 30, 2026 | DAWN Day One Biopharmaceuticals, Inc. | AGrant or award Stock Option (right to buy Common Stock)derivative | +110,000 | $0.00 | $0 | 110,000 | Jan 30, 2026 |
| Jan 30, 2026 | DAWN Day One Biopharmaceuticals, Inc. | AGrant or award Restricted Stock Unitsderivative | +74,000 | $0.00 | $0 | 74,000 | Jan 30, 2026 |
| Nov 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,162 | - | - | 47,161 | Nov 18, 2025 |
| Nov 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,687 | - | - | 50,848 | Nov 18, 2025 |
| Nov 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,687 | - | - | 54,535 | Nov 18, 2025 |
| Nov 17, 2025 | DAWN Day One Biopharmaceuticals, Inc. | SOpen-market sale Common Stock | -3,726 | $8.91 | $33k | 50,809 | Nov 18, 2025 |
| Nov 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,162 | $0.00 | $0 | 22,140 | Nov 18, 2025 |
| Nov 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,687 | $0.00 | $0 | 29,504 | Nov 18, 2025 |
| Nov 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,687 | $0.00 | $0 | 44,252 | Nov 18, 2025 |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Stock Option (right to buy Common Stock)derivative | -330,200 | $0.00 | $0 | 0 | Nov 7, 2025 |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | AGrant or award Stock Option (right to buy Common Stock)derivative | +330,200 | $0.00 | $0 | 330,200 | Nov 7, 2025 |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Stock Option (right to buy Common Stock)derivative | -90,000 | $0.00 | $0 | 0 | Nov 7, 2025 |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | AGrant or award Stock Option (right to buy Common Stock)derivative | +90,000 | $0.00 | $0 | 90,000 | Nov 7, 2025 |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | DDisposition to issuer Stock Option (right to buy Common Stock)derivative | -90,000 | $0.00 | $0 | 0 | Nov 7, 2025 |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | AGrant or award Stock Option (right to buy Common Stock)derivative | +90,000 | $0.00 | $0 | 90,000 | Nov 7, 2025 |
| Aug 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,162 | - | - | 38,323 | Aug 19, 2025 |
| Aug 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,687 | - | - | 42,010 | Aug 19, 2025 |
| Aug 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,687 | - | - | 45,697 | Aug 19, 2025 |
| Aug 18, 2025 | DAWN Day One Biopharmaceuticals, Inc. | SOpen-market sale Common Stock | -3,766 | $6.77 | $25k | 41,931 | Aug 19, 2025 |
| Aug 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,162 | $0.00 | $0 | 25,302 | Aug 19, 2025 |
| Aug 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,687 | $0.00 | $0 | 33,191 | Aug 19, 2025 |
| Aug 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,687 | $0.00 | $0 | 47,939 | Aug 19, 2025 |
| May 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,162 | - | - | 31,714 | May 19, 2025 |
| May 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,687 | - | - | 35,401 | May 19, 2025 |
| May 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Common Stock | +3,687 | - | - | 39,088 | May 19, 2025 |
| May 16, 2025 | DAWN Day One Biopharmaceuticals, Inc. | SOpen-market sale Common Stock | -3,927 | $6.26 | $25k | 35,161 | May 19, 2025 |
| May 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,162 | $0.00 | $0 | 28,464 | May 19, 2025 |
| May 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,687 | $0.00 | $0 | 36,878 | May 19, 2025 |
| May 15, 2025 | DAWN Day One Biopharmaceuticals, Inc. | MOption exercise Restricted Stock Unit (RSU)derivative | -3,687 | $0.00 | $0 | 51,626 | May 19, 2025 |
Questions about Lauren Merendino
Answered from the filings on this page, as of the latest one.
Is Lauren Merendino buying or selling?
In the last 12 months Lauren Merendino reported 0 open-market buys worth $0 and 2 open-market sells worth $101k on SEC Form 4; the latest was sold $67k of DAWN on Feb 17, 2026. Grants, option exercises and tax withholding are not counted.
How did Lauren Merendino's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Lauren Merendino has 0.
Where does Lauren Merendino file Form 4?
Lauren Merendino has filed Form 4 at DAWN (Day One Biopharmaceuticals, Inc.) as Chief Commercial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.