Samuel C. Blackman Day One Biopharmaceuticals, Inc. (DAWN) insider trading activity

Samuel C. Blackman is HEAD OF R&D of Day One Biopharmaceuticals, Inc.. Currently has a direct ownership of 1.03 Million shares of DAWN, which is worth approximately $13.2 Million. The most recent transaction as insider was on Dec 10, 2024, when has been sold 30,000 shares (Common Stock) at a price of $13.31 per share, resulting in proceeds of $399,300. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 1.03M

5.79% 3M change

16.49% 12M change

Total Value Held $13.2 Million

Samuel C. Blackman Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 10 2024	SELL Open market or private sale	$399,300 $13.31 p/Share	30,000 Reduced 2.82%	1,034,015 Common Stock
Nov 18 2024	SELL Open market or private sale	$29,141 $13.21 p/Share	2,206 Reduced 0.21%	1,064,015 Common Stock
Nov 15 2024	BUY Exercise of conversion of derivative security	-	8,686 Added 0.81%	1,066,221 Common Stock
Nov 11 2024	SELL Open market or private sale	$161,000 $16.1 p/Share	10,000 Reduced 0.94%	1,057,535 Common Stock
Nov 08 2024	SELL Open market or private sale	$295,183 $16.17 p/Share	18,255 Reduced 1.68%	1,067,535 Common Stock
Nov 07 2024	SELL Open market or private sale	$180,257 $16.03 p/Share	11,245 Reduced 1.03%	1,085,790 Common Stock
Oct 31 2024	SELL Open market or private sale	$8,010 $16.02 p/Share	500 Reduced 0.05%	1,097,035 Common Stock
Sep 10 2024	SELL Open market or private sale	$426,600 $14.22 p/Share	30,000 Reduced 2.66%	1,097,535 Common Stock
Aug 16 2024	SELL Open market or private sale	$31,248 $14.0 p/Share	2,232 Reduced 0.2%	1,127,535 Common Stock
Aug 15 2024	BUY Exercise of conversion of derivative security	-	8,686 Added 0.76%	1,129,767 Common Stock
Jul 16 2024	SELL Open market or private sale	$320,200 $16.01 p/Share	20,000 Reduced 1.75%	1,121,081 Common Stock
Jun 10 2024	SELL Open market or private sale	$378,600 $12.62 p/Share	30,000 Reduced 2.56%	1,141,081 Common Stock
May 16 2024	SELL Open market or private sale	$36,453 $16.08 p/Share	2,267 Reduced 0.19%	1,171,081 Common Stock
May 15 2024	BUY Exercise of conversion of derivative security	-	8,686 Added 0.73%	1,173,348 Common Stock
May 10 2024	SELL Open market or private sale	$163,700 $16.37 p/Share	10,000 Reduced 0.85%	1,164,662 Common Stock
Apr 18 2024	SELL Open market or private sale	$160,200 $16.02 p/Share	10,000 Reduced 0.84%	1,174,662 Common Stock
Mar 25 2024	SELL Open market or private sale	$160,100 $16.01 p/Share	10,000 Reduced 0.84%	1,184,662 Common Stock
Mar 11 2024	SELL Open market or private sale	$457,200 $15.24 p/Share	30,000 Reduced 2.45%	1,194,662 Common Stock
Feb 27 2024	SELL Open market or private sale	$322,200 $16.11 p/Share	20,000 Reduced 1.61%	1,224,662 Common Stock
Feb 16 2024	SELL Open market or private sale	$34,434 $15.25 p/Share	2,258 Reduced 0.18%	1,244,662 Common Stock
Feb 15 2024	BUY Exercise of conversion of derivative security	-	8,686 Added 0.69%	1,246,920 Common Stock
Nov 16 2023	SELL Open market or private sale	$8,288 $11.69 p/Share	709 Reduced 0.06%	1,238,234 Common Stock
Nov 15 2023	BUY Exercise of conversion of derivative security	-	2,624 Added 0.21%	1,238,943 Common Stock
Aug 17 2023	SELL Open market or private sale	$9,258 $13.86 p/Share	668 Reduced 0.05%	1,236,319 Common Stock
Aug 15 2023	BUY Exercise of conversion of derivative security	-	2,624 Added 0.21%	1,236,987 Common Stock

SCB

Samuel C. Blackman

HEAD OF R&D

South San Francisco, CA

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