ASMB insider buying and SEC filings, explained
Assembly Biosciences, Inc. · CIK 1426800
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$252K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Nov 2, 2026 | Sale | Jeanette M Bjorkquist (PFO and PAO) sold 727 shares at about $19.62 ($14K). Holdings down 4% to 17,673 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2026, 4:50 PM ET |
| Nov 2, 2026 | Sale | Nicole S White (Chief Manufacturing Officer) sold 2,593 shares at about $19.62 ($51K). Holdings down 4% to 59,257 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2026, 4:45 PM ET |
| Nov 2, 2026 | Sale | Anuj Gaggar (Chief Medical Officer) sold 2,593 shares at about $19.62 ($51K). Holdings down 5% to 53,800 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2026, 4:35 PM ET |
| Nov 2, 2026 | Sale | Jason A Okazaki (CEO and Director) sold 6,202 shares at about $19.62 ($122K). Holdings down 3% to 195,532 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2026, 4:30 PM ET |
| Jun 17, 2026 | Sale | Jeanette M Bjorkquist (PFO and PAO) sold 29 shares at $23.25 ($674). Holdings down <1% to 14,560 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 18, 2026 |
| Mar 30, 2026 | Sale | Jeanette M Bjorkquist (PFO and PAO) sold 328 shares at about $26.69 ($9K). Holdings down 3% to 11,089 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 31, 2026 |
| Mar 30, 2026 | Sale | Nicole S White (Chief Manufacturing Officer) sold 197 shares at about $26.69 ($5K). Holdings down 1% to 37,477 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 31, 2026 |
22 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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