Day One Biopharmaceuticals Insider Trades

DAWN

Track insider trading activity from Day One Biopharmaceuticals executives and directors. See which insiders are buying and selling DAWN stock.

Trades Last 12 Months

DAWN Price

All Insider Trades for Day One Biopharmaceuticals

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
York Charles N Ii COO And CFO
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$3.49M 162,000 shares
$21.53
$21.53
Ai Day1 Llc 10% owner
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$278M 12,929,322 shares
$21.50
$21.53
Bender Jeremy CHIEF EXECUTIVE OFFICER
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$36M 1,671,473 shares
$21.53
$21.53
Dable Habib J Director
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$1.5M 69,835 shares
$21.53
$21.53
Dubow Adam Gen Counsel & Secretary
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$7.18M 333,319 shares
$21.53
$21.53
Garland J. Scott Director
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$1.5M 69,835 shares
$21.53
$21.53
Grossman William Director
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$1.5M 69,835 shares
$21.53
$21.53
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$2.74M 127,145 shares
$21.53
$21.53
Josey John A. Director
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$3.06M 142,127 shares
$21.53
$21.53
Merendino Lauren Chief Commercial Officer
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$7.09M 329,532 shares
$21.53
$21.53
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$1.5M 69,835 shares
$21.53
$21.53
Ramasastry Saira Director
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$2.38M 110,320 shares
$21.53
$21.53
Vasconcelles Michael Head Of Research And Dev.
Holding Value $0 0 shares
Last Trade
Apr 23, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$94.7k 4,397 shares
$21.53
$21.53
Blackman Samuel C. HEAD OF R&d
Holding Value $22.3M 1,034,015 shares
Last Trade
Dec 10, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$399k 30,000 shares
$13.31
$21.53
Holding Value $696k 32,335 shares
Last Trade
May 23, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$448k 32,335 shares
$13.87
$21.53
Becker Daniel J. Director
Holding Value $807k 37,500 shares
Last Trade
Jun 22, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$476k 37,500 shares
$12.69
$21.53
Holding Value $7.1M 330,000 shares
Last Trade
Mar 01, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$465k 25,000 shares
$18.61
$21.53
Holding Value $129M 6,008,534 shares
Last Trade
Dec 12, 2022 Sale (Other)Another type of insider transaction reported on SEC Form 4.
$12M 600,854 shares
$19.97
$21.53
Canaan Xi L.P. 10% owner
Holding Value $150M 6,964,301 shares
Last Trade
Sep 21, 2022 Sale (Other)Another type of insider transaction reported on SEC Form 4.
$27.5M 1,500,000 shares
$18.30
$21.53
Holding Value $9.46M 439,358 shares
Last Trade
Sep 02, 2022 Sale (Open Market)Shares sold on the open market or in a private sale.
$119k 5,000 shares
$23.82
$21.53

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