ASSEMBLY BIOSCIENCES, INC. (ASMB) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-18

ASSEMBLY BIOSCIENCES, INC. (ASMB) has filed 13 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-18. 4 Form 8-K material event filings were reported by ASMB in the last 90 days. InsiderAlpha tracks every ASMB SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About ASSEMBLY BIOSCIENCES, INC. (ASMB)

SIC classificationPharmaceutical Preparations (SIC 2834)
SEC CIK0001426800

90-Day SEC Filing Activity

Form 4 filings (90d)13
Form 8-K filings (90d)4
Latest Form 4 filing2026-06-18

Recent ASMB Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Bjorkquist Jeanette MPFO and PAOS — Open-market sale29$23.25$674SEC
GILEAD SCIENCES, INC.10% OwnerA — Grant or award471.7K$26.50$12.50MSEC
Bjorkquist Jeanette MPFO and PAOS — Open-market sale312$26.65$8KSEC
White Nicole SChief Manufacturing OfficerS — Open-market sale9$27.49$247SEC
White Nicole SChief Manufacturing OfficerS — Open-market sale188$26.65$5KSEC
Bjorkquist Jeanette MPFO and PAOS — Open-market sale16$27.49$440SEC
White Nicole SChief Manufacturing OfficerA — Grant or award26.0K$0.00—SEC
Bjorkquist Jeanette MPFO and PAOA — Grant or award6.5K$0.00—SEC
Gaggar AnujChief Medical OfficerA — Grant or award26.0K$0.00—SEC
Delaney William E IVChief Scientific OfficerA — Grant or award26.0K$0.00—SEC
Okazaki Jason ACEO and PresidentA — Grant or award94.2K$0.00—SEC
Delaney William E IVChief Scientific OfficerA — Grant or award14.0K$0.00—SEC
Okazaki Jason ACEO and PresidentA — Grant or award50.8K$0.00—SEC
Bjorkquist Jeanette MPFO and PAOA — Grant or award3.5K$0.00—SEC
Gaggar AnujChief Medical OfficerA — Grant or award14.0K$0.00—SEC

All transactions sourced from SEC EDGAR Form 4 filings for ASSEMBLY BIOSCIENCES, INC. (ASMB). Updated in real time as new filings are submitted to the SEC.

Most-Active ASMB Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Bjorkquist Jeanette M2$674
Okazaki Jason A1—
White Nicole S1—
Houghton Michael1—
ALTIG ANTHONY E1—

Recent ASMB Form 8-K Material Events

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ASMB insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

ASMB Insider Trading — FAQ

What is the latest insider trade for ASMB?
ASSEMBLY BIOSCIENCES, INC. (ASMB) had 13 insider filings in the last 90 days, with the most recent on 2026-06-18. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying ASMB stock?
0 insider purchases of ASMB were filed in the last 90 days.
How many insiders are selling ASMB stock?
0 insider sales of ASMB were filed in the last 90 days.
Where can I see ASMB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every ASMB SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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