Hans Peter Gerber Sutro Biopharma, Inc. (STRO) insider trading activity

STRO Quotes by TradingView

Hans Peter Gerber is CHIEF SCIENTIFIC OFFICER of SUTRO BIOPHARMA, INC.. Currently has a direct ownership of 54,832 shares of STRO, which is worth approximately $50,445. The most recent transaction as insider was on Sep 18, 2025, when has been sold 13,417 shares (Common Stock) at a price of $0.9 per share, resulting in proceeds of $12,075. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 54.8K
78.32% 3M change
127.33% 12M change
Total Value Held $50,445

Hans-Peter Gerber Transaction History

Date Transaction Value Shares Traded Shares Held Form
Sep 18 2025
SELL
Payment of exercise price or tax liability
$12,075 $0.9 p/Share
13,417 Reduced 19.66%
54,832 Common Stock
Sep 18 2025
BUY
Exercise of conversion of derivative security
-
37,500 Added 35.46%
68,249 Common Stock
Mar 01 2025
SELL
Payment of exercise price or tax liability
$7,347 $1.59 p/Share
4,621 Reduced 13.06%
30,749 Common Stock
Mar 01 2025
BUY
Exercise of conversion of derivative security
-
11,250 Added 24.13%
35,370 Common Stock
Sep 18 2024
SELL
Payment of exercise price or tax liability
$52,851 $3.95 p/Share
13,380 Reduced 35.68%
24,120 Common Stock
Sep 18 2024
BUY
Exercise of conversion of derivative security
-
37,500 Added 50.0%
37,500 Common Stock
HG

Hans Peter Gerber

CHIEF SCIENTIFIC OFFICER
South San Francisco, CA

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