Charles N York II

DAWN

Charles N York II serves as officer: COO and CFO at Day One Biopharmaceuticals, Inc. (DAWN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

28 trades

$3.39M

Net Position

Net Seller

$3.39M

Companies Traded

DAWN

Active Period

Jul 2022 – Feb 2026

28 total trades

Most Recent

Sell DAWN

Feb 18, 2026 · $70.4K

Charles N York II's Insider Trading at Day One Biopharmaceuticals, Inc. (DAWN)

Buys

0 · $0.00

Sells

28 · $3.39M

Total Shares Bought

Total Shares Sold

190,841

DAWN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 18, 2026	Sell	6,065	$11.60	$70.4K	312,025
Feb 15, 2026	Sell	6,065	$11.60	$70.4K	0
Nov 15, 2025	Sell	4,062	$8.91	$36.2K	0
Aug 15, 2025	Sell	4,106	$6.77	$27.8K	0
May 15, 2025	Sell	4,282	$6.26	$26.8K	0
Feb 15, 2025	Sell	4,370	$11.96	$52.3K	0
Nov 15, 2024	Sell	2,602	$13.21	$34.4K	0
Aug 15, 2024	Sell	2,633	$14.00	$36.9K	0
May 15, 2024	Sell	2,675	$16.08	$43.0K	0
May 1, 2024	Sell	60,461	$17.88	$1.08M	0
Feb 15, 2024	Sell	2,666	$15.25	$40.7K	0
Nov 15, 2023	Sell	956	$11.69	$11.2K	0
Aug 15, 2023	Sell	922	$13.86	$12.8K	0
May 15, 2023	Sell	955	$13.12	$12.5K	0
Feb 17, 2023	Sell	9,377	$20.03	$187.8K	0
Feb 15, 2023	Sell	930	$19.57	$18.2K	0
Jan 20, 2023	Sell	10,000	$22.75	$227.5K	0
Dec 20, 2022	Sell	10,000	$20.07	$200.7K	0
Nov 21, 2022	Sell	10,000	$20.76	$207.6K	0
Nov 15, 2022	Sell	430	$21.46	$9.2K	0
Nov 1, 2022	Sell	10,000	$20.03	$200.3K	0
Oct 3, 2022	Sell	10,000	$20.05	$200.5K	0
Sep 1, 2022	Sell	10,000	$23.25	$232.5K	0
Aug 15, 2022	Sell	1,089	$24.31	$26.5K	0
Aug 4, 2022	Sell	10,000	$20.05	$200.5K	0
Jul 18, 2022	Sell	2,500	$20.00	$50.0K	0
Jul 8, 2022	Sell	1,416	$20.00	$28.3K	0
Jul 1, 2022	Sell	2,279	$20.00	$45.6K	0