ASMB insider trading — Assembly Biosciences, Inc.
Over the last 90 days, insiders at Assembly Biosciences, Inc. (ASMB) made 0 open-market purchases worth $0 and 4 open-market sales worth $238K, making them net sellers by $238K. The largest sale was by Okazaki Jason A (CEO and President), who sold 6,202 shares for $122K on Nov 2, 2026.
Updated Nov 5, 2026.
Recent ASMB insider transactions
Every Form 4 filed by Assembly Biosciences, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Nov 2, 2026 | Bjorkquist Jeanette M | PFO and PAO | S · Sale | Direct | 727 | $19.62 | $14K | Form 4 |
| Oct 30, 2026 | Bjorkquist Jeanette M | PFO and PAO | A · Grant/award | Direct | 3,840 | — | — | Form 4 |
| Nov 2, 2026 | White Nicole S | Chief Manufacturing Officer | S · Sale | Direct | 2,593 | $19.62 | $51K | Form 4 |
| Oct 30, 2026 | White Nicole S | Chief Manufacturing Officer | A · Grant/award | Direct | 13,705 | — | — | Form 4 |
| Oct 30, 2026 | Delaney William E Iv | Chief Scientific Officer | A · Grant/award | Direct | 13,705 | — | — | Form 4 |
| Nov 2, 2026 | Gaggar Anuj | Chief Medical Officer | S · Sale | Direct | 2,593 | $19.62 | $51K | Form 4 |
| Oct 30, 2026 | Gaggar Anuj | Chief Medical Officer | A · Grant/award | Direct | 13,705 | — | — | Form 4 |
| Nov 2, 2026 | Okazaki Jason A | CEO and President | S · Sale | Direct | 6,202 | $19.62 | $122K | Form 4 |
| Oct 30, 2026 | Okazaki Jason A | CEO and President | A · Grant/award | Direct | 38,380 | — | — | Form 4 |
ASMB insider trading FAQ
Are insiders buying ASMB stock?
Not on the open market. In the last 90 days, Assembly Biosciences, Inc. insiders made no open-market purchases, and 4 open-market sales totaling $238K. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading ASMB?
Recent sellers: Bjorkquist Jeanette M, Gaggar Anuj, Okazaki Jason A, White Nicole S.
Where does ASMB insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
More stocks with insider activity
Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.