Edward C Albini Sutro Biopharma, Inc. (STRO) insider trading activity

Edward C Albini is CFO AND SECRETARY of SUTRO BIOPHARMA, INC.. Currently has a direct ownership of 132,081 shares of STRO, which is worth approximately $145,289. The most recent transaction as insider was on Mar 05, 2025, when has been sold 3,594 shares (Common Stock) at a price of $1.36 per share, resulting in proceeds of $4,887. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 132K

23.74% 3M change

23.74% 12M change

Total Value Held $145,289

EDWARD C ALBINI Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Mar 05 2025	SELL Payment of exercise price or tax liability	$4,887 $1.36 p/Share	3,594 Reduced 2.65%	132,081 Common Stock
Mar 05 2025	BUY Exercise of conversion of derivative security	-	8,750 Added 6.06%	135,675 Common Stock
Mar 04 2025	SELL Payment of exercise price or tax liability	$5,322 $1.42 p/Share	3,748 Reduced 2.87%	126,925 Common Stock
Mar 04 2025	BUY Exercise of conversion of derivative security	-	9,125 Added 6.53%	130,673 Common Stock
Mar 01 2025	SELL Payment of exercise price or tax liability	$16,408 $1.59 p/Share	10,320 Reduced 7.83%	121,548 Common Stock
Mar 01 2025	BUY Exercise of conversion of derivative security	-	25,125 Added 16.0%	131,868 Common Stock
Mar 05 2024	SELL Payment of exercise price or tax liability	$14,074 $4.54 p/Share	3,100 Reduced 2.82%	106,743 Common Stock
Mar 05 2024	BUY Exercise of conversion of derivative security	-	8,750 Added 7.38%	109,843 Common Stock
Mar 04 2024	SELL Payment of exercise price or tax liability	$16,630 $4.79 p/Share	3,472 Reduced 3.32%	101,093 Common Stock
Mar 04 2024	BUY Exercise of conversion of derivative security	-	9,125 Added 8.03%	104,565 Common Stock
Mar 01 2024	SELL Payment of exercise price or tax liability	$15,973 $4.95 p/Share	3,227 Reduced 3.27%	95,440 Common Stock
Mar 01 2024	BUY Exercise of conversion of derivative security	-	7,875 Added 7.39%	98,667 Common Stock
Jan 29 2024	SELL Payment of exercise price or tax liability	$10,733 $4.99 p/Share	2,151 Reduced 2.31%	90,792 Common Stock
Jan 29 2024	BUY Exercise of conversion of derivative security	-	5,250 Added 5.35%	92,943 Common Stock
Feb 13 2023	BUY Exercise of conversion of derivative security	$265,505 $5.81 p/Share	45,698 Added 37.43%	76,406 Common Stock
Jan 27 2023	SELL Payment of exercise price or tax liability	$16,050 $7.5 p/Share	2,140 Reduced 6.51%	30,708 Common Stock
Jan 27 2023	BUY Exercise of conversion of derivative security	-	5,250 Added 13.78%	32,848 Common Stock
Mar 05 2022	SELL Payment of exercise price or tax liability	$25,695 $8.17 p/Share	3,145 Reduced 10.23%	27,598 Common Stock
Mar 05 2022	BUY Exercise of conversion of derivative security	-	8,750 Added 22.16%	30,743 Common Stock
Jan 29 2022	SELL Payment of exercise price or tax liability	$22,349 $10.39 p/Share	2,151 Reduced 8.91%	21,993 Common Stock
Jan 29 2022	BUY Exercise of conversion of derivative security	-	5,250 Added 17.86%	24,144 Common Stock
Sep 24 2021	SELL Payment of exercise price or tax liability	$47,690 $19.23 p/Share	2,480 Reduced 11.6%	18,894 Common Stock
Sep 24 2021	BUY Exercise of conversion of derivative security	-	7,174 Added 25.13%	21,374 Common Stock
Jan 29 2021	SELL Payment of exercise price or tax liability	$47,091 $22.15 p/Share	2,126 Reduced 13.02%	14,200 Common Stock
Jan 29 2021	BUY Exercise of conversion of derivative security	-	5,250 Added 24.33%	16,326 Common Stock

ECA

Edward C Albini

CFO AND SECRETARY

South San Francisco, CA

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