SUTRO BIOPHARMA INC (STRO) Stock Ownership

NASDAQ:STRO • US8693672011

Current stock price

21.785 USD
-1.15 (-5.01%)
At close:
21.785 USD
0 (0%)
After Hours:

STRO Ownership information

STRO Ownership Chart.STRO Ownership Chart: showing Insider, Institutional ownership and shares available to the public.STRO Ownership.InsiderInstitutionalPublic



Shares Outstanding16.43M
Float16.02M
Float Short Interest Percentage3.23%
Owners (insider)0.88%
Owners (institutional)67.08%
Owners (insider) change2.66%
Owners (institutional) change-90.68%
STRO Institutional Ownership HistorySTRO Institutional Ownership HistorySTRO Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M
STRO Historical Insider Transactions ChartSTRO Historical Insider Buy and Sell Transactions ChartSTRO Historical Insider Transactions Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 20K 40K 60K 80K 100K
Date Name Type Shares Price Amount
Mar 4, 2026 Chung Jane Option Excercise 788 0.00 $ 0.00
Mar 4, 2026 Chung Jane Option Excercise 282 21.31 $ 6,009.42
Mar 4, 2026 Pauling David Option Excercise 675 0.00 $ 0.00
Mar 4, 2026 Pauling David Option Excercise 277 21.31 $ 5,902.87
Mar 1, 2026 Chung Jane Option Excercise 10938 0.00 $ 0.00
Mar 1, 2026 Chung Jane Option Excercise 4050 20.52 $ 83,125.82
Mar 1, 2026 Pauling David Option Excercise 3698 0.00 $ 0.00
Mar 1, 2026 Pauling David Option Excercise 1521 20.52 $ 31,212.47
Mar 1, 2026 Gerber Hans-Peter Option Excercise 3968 0.00 $ 0.00
Mar 1, 2026 Gerber Hans-Peter Option Excercise 1633 20.53 $ 33,521.11
Dec 12, 2025 Chung Jane Option Excercise 2500 0.00 $ 0.00
Dec 12, 2025 Chung Jane Option Excercise 894 8.02 $ 7,165.41
Oct 15, 2025 Pauling David Open Market Purchase 12504 0.80 $ 9,993.20
Oct 15, 2025 Gerber Hans-Peter Open Market Purchase 17000 0.80 $ 13,606.80
Oct 15, 2025 Chow Gregory K. Open Market Purchase 19750 0.81 $ 15,997.50
Oct 15, 2025 Chung Jane Open Market Purchase 12500 0.80 $ 10,011.25
Oct 15, 2025 MATSUI CONNIE Open Market Purchase 50000 0.80 $ 39,950.00
May 15, 2025 ALBINI EDWARD C Option Excercise 44719 0.00 $ 0.00
May 15, 2025 ALBINI EDWARD C Option Excercise 15995 0.88 $ 14,075.60
May 1, 2025 FITZPATRICK LINDA A Option Excercise 37849 0.00 $ 0.00
May 1, 2025 FITZPATRICK LINDA A Option Excercise 13538 1.07 $ 14,485.66
May 1, 2025 Srinivasan Venkatesh Option Excercise 2500 0.00 $ 0.00
May 1, 2025 Srinivasan Venkatesh Option Excercise 894 1.07 $ 956.58
May 1, 2025 Borgman Anne Elizabeth Option Excercise 69063 0.00 $ 0.00
May 1, 2025 Borgman Anne Elizabeth Option Excercise 24709 1.07 $ 26,438.63
Apr 11, 2025 Srinivasan Venkatesh Option Excercise 7603 0.60 $ 4,561.80
Apr 11, 2025 Srinivasan Venkatesh Option Excercise 21250 0.00 $ 0.00