Company / CIK 0001426800
ASSEMBLY BIOSCIENCES, INC.
- Ticker
- ASMB
- Size, estimated from filings
- Small cap ($300M – $2B)
- Insiders on file
- 12
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- June 17, 2026
ASSEMBLY BIOSCIENCES, INC. (ASMB) has 12 insiders on file who disclosed 22 transactions in the last 12 months (0 open-market buys, 5 sales, about $12.5M at reported prices). No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
ASSEMBLY BIOSCIENCES, INC. in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
2 people account for the disclosed buying and selling in ASSEMBLY BIOSCIENCES, INC. over the last 12 months; the most active is Bjorkquist Jeanette M with $9K.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Bjorkquist Jeanette M | PFO and PAO | 5 | 0 | 3 | June 18, 2026 |
| Gaggar Anuj | Chief Medical Officer | 2 | 0 | 0 | June 5, 2026 |
| White Nicole S | Chief Manufacturing Officer | 4 | 0 | 2 | June 5, 2026 |
| McHutchison John G | Director | 1 | 0 | 0 | June 5, 2026 |
| Mahony Susan | Director | 1 | 0 | 0 | June 5, 2026 |
| Johnson-Pratt Lisa | Director | 1 | 0 | 0 | June 5, 2026 |
| Houghton Michael | Director | 1 | 0 | 0 | June 5, 2026 |
| Consylman Gina | Director | 1 | 0 | 0 | June 5, 2026 |
| ALTIG ANTHONY E | Director | 1 | 0 | 0 | June 5, 2026 |
| Okazaki Jason A | CEO and President | 2 | 0 | 0 | June 5, 2026 |
| Delaney William E IV | Chief Scientific Officer | 2 | 0 | 0 | June 5, 2026 |
| GILEAD SCIENCES, INC. | Insider | 4 | 1 | 0 | May 27, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bjorkquist Jeanette M | ASMB | Sell S | June 17, 2026 | June 18, 2026 | 1d | 29 | $23 | $674 | Form 4 ↗ | ||
| Delaney William E IV | ASMB | Other A | March 29, 2026 | June 5, 2026 | 68d | 14,000 | — | — | late | Form 4 ↗ | |
| Okazaki Jason A | ASMB | Other A | March 29, 2026 | June 5, 2026 | 68d | 50,750 | — | — | late | Form 4 ↗ | |
| Bjorkquist Jeanette M | ASMB | Other A | March 29, 2026 | June 5, 2026 | 68d | 3,500 | — | — | late | Form 4 ↗ | |
| ALTIG ANTHONY E | ASMB | Other A | June 4, 2026 | June 5, 2026 | 1d | 8,000 | — | — | derivative | Form 4 ↗ | |
| Consylman Gina | ASMB | Other A | June 4, 2026 | June 5, 2026 | 1d | 8,000 | — | — | derivative | Form 4 ↗ | |
| Houghton Michael | ASMB | Other A | June 4, 2026 | June 5, 2026 | 1d | 8,000 | — | — | derivative | Form 4 ↗ | |
| Johnson-Pratt Lisa | ASMB | Other A | June 4, 2026 | June 5, 2026 | 1d | 8,000 | — | — | derivative | Form 4 ↗ | |
| Mahony Susan | ASMB | Other A | June 4, 2026 | June 5, 2026 | 1d | 8,000 | — | — | derivative | Form 4 ↗ | |
| McHutchison John G | ASMB | Other A | June 4, 2026 | June 5, 2026 | 1d | 8,000 | — | — | derivative | Form 4 ↗ | |
| White Nicole S | ASMB | Other A | March 29, 2026 | June 5, 2026 | 68d | 14,000 | — | — | late | Form 4 ↗ | |
| Gaggar Anuj | ASMB | Other A | March 29, 2026 | June 5, 2026 | 68d | 14,000 | — | — | late | Form 4 ↗ | |
| GILEAD SCIENCES, INC. | ASMB | Other A | May 26, 2026 | May 27, 2026 | 1d | 471,698 | $27 | $12.5M | Form 4 ↗ | ||
| Bjorkquist Jeanette M | ASMB | Sell S | March 30, 2026 | March 31, 2026 | 1d | 16 | $27 | $440 | Form 4 ↗ | ||
| Bjorkquist Jeanette M | ASMB | Sell S | March 30, 2026 | March 31, 2026 | 1d | 312 | $27 | $8,315 | Form 4 ↗ | ||
| Bjorkquist Jeanette M | ASMB | Other A | March 29, 2026 | March 31, 2026 | 2d | 6,500 | — | — | Form 4 ↗ | ||
| White Nicole S | ASMB | Sell S | March 30, 2026 | March 31, 2026 | 1d | 9 | $27 | $247 | Form 4 ↗ | ||
| White Nicole S | ASMB | Sell S | March 30, 2026 | March 31, 2026 | 1d | 188 | $27 | $5,010 | Form 4 ↗ | ||
| White Nicole S | ASMB | Other A | March 29, 2026 | March 31, 2026 | 2d | 26,000 | — | — | Form 4 ↗ | ||
| Gaggar Anuj | ASMB | Other A | March 29, 2026 | March 31, 2026 | 2d | 26,000 | — | — | Form 4 ↗ | ||
| Delaney William E IV | ASMB | Other A | March 29, 2026 | March 31, 2026 | 2d | 26,000 | — | — | Form 4 ↗ | ||
| Okazaki Jason A | ASMB | Other A | March 29, 2026 | March 31, 2026 | 2d | 94,250 | — | — | Form 4 ↗ | ||
| GILEAD SCIENCES, INC. | ASMB | Option / conversion P | August 8, 2025 | October 3, 2025 | 56d | 1,147,960 | — | — | latederivative | Form 4 ↗ | |
| GILEAD SCIENCES, INC. | ASMB | Option / conversion P | August 8, 2025 | October 3, 2025 | 56d | 1,147,960 | — | — | latederivative | Form 4 ↗ | |
| GILEAD SCIENCES, INC. | ASMB | Buy P | August 8, 2025 | October 3, 2025 | 56d | 2,295,920 | — | — | late | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "ASSEMBLY BIOSCIENCES, INC.". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "ASSEMBLY BIOSCIENCES, INC." as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded ASMB, by number of filers in common. It shows overlap in public filings and nothing else.
- Xilio Therapeutics, Inc. XLO 1 filer in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 19 | 25 | October 3, 2025 | June 18, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.