Assembly Biosciences Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Assembly Biosciences Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- ASMB
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001426800
Board of directors
-
Anthony E. Altig · DirectorSince 2023
-
Gina Consylman · DirectorSince 2023
-
Jason A. Okazaki · Director · CEO and PresidentSince 2023
-
John G. McHutchison · DirectorSince 2023
-
Lisa Johnson-Pratt · DirectorSince 2023
-
Michael Houghton · DirectorSince 2023
-
Robert Donald Cook II · DirectorSince 2024
-
Susan Mahony · DirectorSince 2023
-
Tomas Cihlar · DirectorSince 2023
-
William R. Ringo · DirectorSince 2023
Chief executives
Jason A. Okazaki
· CEO and President
Dates unknown
Board connections
2 of this board's directors also sit on 3 other boards.
- via Susan Mahony
- via William R. Ringo
- via Susan Mahony
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $14,687
- 5 sales by 2 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 17, 2026 | Bjorkquist Jeanette M Officer (PFO and PAO) | Open-market sale | −29 | $23.25 | $674 |
| May 26, 2026 | GILEAD SCIENCES, INC. 10% owner | Grant or award | +471,698 | $26.50 | $12,499,997 |
| Mar 30, 2026 | Bjorkquist Jeanette M Officer (PFO and PAO) | Open-market sale | −312 | $26.65 | $8,315 |
| Mar 30, 2026 | White Nicole S Officer (Chief Manufacturing Officer) | Open-market sale | −188 | $26.65 | $5,010 |
| Mar 30, 2026 | Bjorkquist Jeanette M Officer (PFO and PAO) | Open-market sale | −16 | $27.49 | $440 |
| Mar 30, 2026 | White Nicole S Officer (Chief Manufacturing Officer) | Open-market sale | −9 | $27.49 | $247 |
| Mar 29, 2026 | Bjorkquist Jeanette M Officer (PFO and PAO) | Grant or award | +6,500 | — | — |
| Mar 29, 2026 | White Nicole S Officer (Chief Manufacturing Officer) | Grant or award | +26,000 | — | — |
| Mar 29, 2026 | Gaggar Anuj Officer (Chief Medical Officer) | Grant or award | +26,000 | — | — |
| Mar 29, 2026 | Delaney William E IV Officer (Chief Scientific Officer) | Grant or award | +26,000 | — | — |
| Mar 29, 2026 | Jason A. Okazaki Director, Officer (CEO and President) | Grant or award | +94,250 | — | — |
| Mar 29, 2026 | Gaggar Anuj Officer (Chief Medical Officer) | Grant or award | +14,000 | — | — |
| Mar 29, 2026 | White Nicole S Officer (Chief Manufacturing Officer) | Grant or award | +14,000 | — | — |
| Mar 29, 2026 | Bjorkquist Jeanette M Officer (PFO and PAO) | Grant or award | +3,500 | — | — |
| Mar 29, 2026 | Delaney William E IV Officer (Chief Scientific Officer) | Grant or award | +14,000 | — | — |
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