Insider Transactions Reported by 20 Insiders of ASSEMBLY BIOSCIENCES, INC.

Symbol
ASMB on Nasdaq
Location
South San Francisco, CA

Insiders trading volume in the past year

ASSEMBLY BIOSCIENCES, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
GILEAD SCIENCES, INC. 10%+ Owner $100,290,003 08 Aug 2025
Alexander Schornstein 10%+ Owner $10,812,478 22 Nov 2024
John G. McHutchison Director $180,683 -$7,455 -4% 05 Jun 2025
William E. Delaney IV Chief Scientific Officer $164,788 29 Mar 2025
Jason A. Okazaki CEO and President, Director $145,328 -$3,496 -2.3% 29 Mar 2025
Nicole S. White Chief Manufacturing Officer $114,967 -$1,940 -1.7% 29 Mar 2025
Jeanette M. Bjorkquist PFO and PAO $72,377 -$1,773 -2.4% 16 Jun 2025
Michael P. Samar Chief Financial Officer $61,782 25 Jul 2022
Michael Houghton Director $49,998 05 Jun 2025
Luisa M. Stamm Chief Medical Officer $32,252 29 Mar 2022
Tomas Cihlar Director 07 Dec 2023
Robert Donald Cook II Director 13 Mar 2024
Gina Consylman Director 05 Jun 2025
Lisa Johnson-Pratt Director 05 Jun 2025
Susan Mahony Director 05 Jun 2025
Anthony E. Altig Director 05 Jun 2025
William R. Ringo Director 05 Jun 2025
Myron Z. Holubiak Director 20 May 2021
Anuj Gaggar Chief Medical Officer 29 Mar 2025
Richard D. DiMarchi Director 25 May 2022

Recent Insider Transactions by Companies or Individuals for ASSEMBLY BIOSCIENCES, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Gilead Sciences, Inc. ASMB Common Stock Purchase 103.9% 2,295,920 4,505,391 08 Aug 2025 Direct
Gilead Sciences, Inc. ASMB Class B warrants to purchase Common Stock Purchase 1,147,960 1,147,960 08 Aug 2025 Direct
Gilead Sciences, Inc. ASMB Class A warrants to purchase Common Stock Purchase 1,147,960 1,147,960 08 Aug 2025 Direct
Jeanette M. Bjorkquist ASMB Common Stock Award 6.25% 300 5,097 16 Jun 2025 Direct
Jeanette M. Bjorkquist ASMB Stock Option (right to buy) Award 600 600 16 Jun 2025 Direct
Michael Houghton ASMB Stock Option (right to buy) Award 3,500 3,500 05 Jun 2025 Direct
Susan Mahony ASMB Stock Option (right to buy) Award 3,500 3,500 05 Jun 2025 Direct
John G. McHutchison ASMB Stock Option (right to buy) Award 3,500 3,500 05 Jun 2025 Direct
Lisa Johnson-Pratt ASMB Stock Option (right to buy) Award 3,500 3,500 05 Jun 2025 Direct
William R. Ringo ASMB Stock Option (right to buy) Award 3,500 3,500 05 Jun 2025 Direct
Anthony E. Altig ASMB Stock Option (right to buy) Award 3,500 3,500 05 Jun 2025 Direct
Gina Consylman ASMB Stock Option (right to buy) Award 3,500 3,500 05 Jun 2025 Direct
John G. McHutchison ASMB Common Stock Sale -3.96% $7,455 $9.85 -757 18,347 31 Mar 2025 Direct
Jeanette M. Bjorkquist ASMB Common Stock Sale -3.75% $1,773 $9.85 -180 4,617 31 Mar 2025 Direct
Jason A. Okazaki ASMB Common Stock Sale -2.35% $3,496 $9.85 -355 14,757 31 Mar 2025 Direct
Nicole S. White ASMB Common Stock Sale -1.66% $1,940 $9.85 -197 11,674 31 Mar 2025 Direct
William E. Delaney IV ASMB Stock Option (right to buy) Award 25,500 25,500 29 Mar 2025 Direct
Jeanette M. Bjorkquist ASMB Common Stock Award 52.7% 1,655 4,797 29 Mar 2025 Direct
Jeanette M. Bjorkquist ASMB Stock Option (right to buy) Award 1,900 1,900 29 Mar 2025 Direct
Jason A. Okazaki ASMB Stock Option (right to buy) Award 71,100 71,100 29 Mar 2025 Direct
Nicole S. White ASMB Stock Option (right to buy) Award 20,400 20,400 29 Mar 2025 Direct
Anuj Gaggar ASMB Stock Option (right to buy) Award 24,200 24,200 29 Mar 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.