ASMB insider transaction filings
ASSEMBLY BIOSCIENCES, INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-06-18. Screen ASMB transaction legs live →
Insider transaction summary — last 90 days
No Form 4 filings for ASMB between 2026-06-24 and 2026-09-22. The table below lists the most recent filings on record.
Recent Form 4 filings — ASSEMBLY BIOSCIENCES, INC.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-18 | 4 | Bjorkquist Jeanette M — PFO and PAO | Sale (S): 29 @ $23.25 | EDGAR |
| 2026-06-05 | 4 | Gaggar Anuj — Chief Medical Officer | Grant/award (A): 14,000 @ $0 | EDGAR |
| 2026-06-05 | 4 | White Nicole S — Chief Manufacturing Officer | Grant/award (A): 14,000 @ $0 | EDGAR |
| 2026-06-05 | 4 | McHutchison John G — Director | Grant/award (A): 8,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Mahony Susan — Director | Grant/award (A): 8,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Johnson-Pratt Lisa — Director | Grant/award (A): 8,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Houghton Michael — Director | Grant/award (A): 8,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Consylman Gina — Director | Grant/award (A): 8,000 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Bjorkquist Jeanette M — PFO and PAO | Grant/award (A): 3,500 @ $0 | EDGAR |
| 2026-06-05 | 4 | Delaney William E IV — Chief Scientific Officer | Grant/award (A): 14,000 @ $0 | EDGAR |
| 2026-06-05 | 4 | Okazaki Jason A — CEO and President, Director | Grant/award (A): 50,750 @ $0 | EDGAR |
| 2026-06-05 | 4 | ALTIG ANTHONY E — Director | Grant/award (A): 8,000 (derivative) @ $0 | EDGAR |
| 2026-05-27 | 4 | GILEAD SCIENCES, INC. — 10% owner | Grant/award (A): 471,698 @ $26.50 | EDGAR |
| 2026-03-31 | 4 | Bjorkquist Jeanette M — PFO and PAO | Grant/award (A): 6,500 @ $0 · Sale (S): 312 @ $26.65 · Sale (S): 16 @ $27.49 | EDGAR |
| 2026-03-31 | 4 | White Nicole S — Chief Manufacturing Officer | Grant/award (A): 26,000 @ $0 · Sale (S): 188 @ $26.65 · Sale (S): 9 @ $27.49 | EDGAR |
| 2026-03-31 | 4 | Gaggar Anuj — Chief Medical Officer | Grant/award (A): 26,000 @ $0 | EDGAR |
| 2026-03-31 | 4 | Delaney William E IV — Chief Scientific Officer | Grant/award (A): 26,000 @ $0 | EDGAR |
| 2026-03-31 | 4 | Okazaki Jason A — CEO and President, Director | Grant/award (A): 94,250 @ $0 | EDGAR |
| 2025-10-03 | 4 | GILEAD SCIENCES, INC. — 10% owner | Purchase (P): 2,295,920 · Purchase (P): 1,147,960 (derivative) · Purchase (P): 1,147,960 (derivative) | EDGAR |
| 2025-06-17 | 4 | Bjorkquist Jeanette M — PFO and PAO | Grant/award (A): 300 @ $0 · Grant/award (A): 600 (derivative) @ $0 | EDGAR |
| 2025-06-09 | 4 | Houghton Michael — Director | Grant/award (A): 3,500 (derivative) @ $0 | EDGAR |
| 2025-06-09 | 4 | Mahony Susan — Director | Grant/award (A): 3,500 (derivative) @ $0 | EDGAR |
| 2025-06-09 | 4 | McHutchison John G — Director | Grant/award (A): 3,500 (derivative) @ $0 | EDGAR |
| 2025-06-09 | 4 | Johnson-Pratt Lisa — Director | Grant/award (A): 3,500 (derivative) @ $0 | EDGAR |
| 2025-06-09 | 4 | Consylman Gina — Director | Grant/award (A): 3,500 (derivative) @ $0 | EDGAR |
| 2025-06-09 | 4 | RINGO WILLIAM R — Director | Grant/award (A): 3,500 (derivative) @ $0 | EDGAR |
| 2025-06-09 | 4 | ALTIG ANTHONY E — Director | Grant/award (A): 3,500 (derivative) @ $0 | EDGAR |
| 2025-04-15 | 4 | McHutchison John G — Director | Sale (S): 757 @ $9.85 | EDGAR |
| 2025-04-01 | 4 | Delaney William E IV — Chief Scientific Officer | Grant/award (A): 25,500 (derivative) @ $0 | EDGAR |
| 2025-04-01 | 4 | Bjorkquist Jeanette M — Principal Accounting Officer | Grant/award (A): 1,655 @ $0 · Sale (S): 180 @ $9.85 · Grant/award (A): 1,900 (derivative) @ $0 | EDGAR |
| 2025-04-01 | 4 | Okazaki Jason A — CEO and President, Director | Sale (S): 355 @ $9.85 · Grant/award (A): 71,100 (derivative) @ $0 | EDGAR |
| 2025-04-01 | 4 | White Nicole S — Chief Manufacturing Officer | Sale (S): 197 @ $9.85 · Grant/award (A): 20,400 (derivative) @ $0 | EDGAR |
| 2025-04-01 | 4 | Gaggar Anuj — Chief Medical Officer | Grant/award (A): 24,200 (derivative) @ $0 | EDGAR |
| 2024-12-31 | 4 | Houghton Michael — Director | Purchase (P): 3,202 @ $15.61 | EDGAR |
| 2024-12-23 | 4 | GILEAD SCIENCES, INC. — 10% owner | Purchase (P): 940,499 @ $21.37 | EDGAR |
| 2024-11-26 | 4 | Schornstein Alexander — 10% owner | Purchase (P): 17,024 @ $14.87 · Purchase (P): 2,976 @ $15 · Purchase (P): 5,000 @ $14.85 | EDGAR |
| 2024-11-19 | 4 | White Nicole S — Chief Manufacturing Officer | Sale (S): 40 @ $16.29 | EDGAR |
| 2024-10-09 | 4 | Schornstein Alexander — 10% owner | Purchase (P): 10,000 @ $14.58 | EDGAR |
| 2024-10-04 | 4 | White Nicole S — Chief Manufacturing Officer | Sale (S): 157 @ $14.81 | EDGAR |
| 2024-10-04 | 4 | Okazaki Jason A — CEO and President, Director | Sale (S): 197 @ $14.81 | EDGAR |
| 2024-08-05 | 4 | White Nicole S — Chief Manufacturing Officer | Sale (S): 785 @ $14.23 | EDGAR |
| 2024-08-05 | 4 | Okazaki Jason A — CEO and President, Director | Sale (S): 981 @ $14.23 | EDGAR |
| 2024-07-08 | 4 | Schornstein Alexander — 10% owner | Purchase (P): 4,562 @ $12.29 · Purchase (P): 4,438 @ $12.52 | EDGAR |
| 2024-06-20 | 4 | GILEAD SCIENCES, INC. — 10% owner | Purchase (P): 179,500 · Purchase (P): 179,500 (derivative) | EDGAR |
| 2024-05-30 | 4 | McHutchison John G — Director | Grant/award (A): 2,750 (derivative) @ $0 | EDGAR |
| 2024-05-30 | 4 | Mahony Susan — Director | Grant/award (A): 2,750 (derivative) @ $0 | EDGAR |
| 2024-05-30 | 4 | Houghton Michael — Director | Grant/award (A): 2,750 (derivative) @ $0 | EDGAR |
| 2024-05-30 | 4 | Consylman Gina — Director | Grant/award (A): 2,750 (derivative) @ $0 | EDGAR |
| 2024-05-30 | 4 | RINGO WILLIAM R — Director | Grant/award (A): 2,750 (derivative) @ $0 | EDGAR |
| 2024-05-30 | 4 | ALTIG ANTHONY E — Director | Grant/award (A): 2,750 (derivative) @ $0 | EDGAR |
Recent 8-K events — ASSEMBLY BIOSCIENCES, INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-14 | 8-K/A | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-13 | 8-K | 2.01 — Completion of Acquisition or Disposition of Assets 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-05 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-26 | 8-K | 1.01 — Entry into a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-22 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-30 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-19 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-08 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-10 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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