InsiderTrades

Form 4 for ASMB ASSEMBLY BIOSCIENCES, INC.

Accepted 2026-03-31 00:00:00 ET · period of report 2026-03-29 · accession 0001193125-26-134554 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-31 2026-03-29 ASMB Delaney William E IV CSO A - Grant $0.00 +26.0K 45.6K +132% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-29 A A 26,000 $0.00 45,642 D — — (F1) Grant of restricted stock units ("RSUs"). The RSUs vest in four equal installments, assuming continuous service on each vesting date, as follows: March 29, 2027; March 29, 2028; March 29, 2029; and March 29, 2030. (F2) RSUs represent 65% of the reporting person's annual equity grant. The remaining 35% of the RSUs granted are contingent upon stockholder approval of an amendment to the Issuer's Amended and Restated 2018 Stock Incentive Plan (the "Plan") that increases the number of shares of common stock authorized for issuance under the Plan. (F3) Includes 2,909 shares acquired under the Assembly Biosciences, Inc. Second Amended and Restated 2018 Employee Stock Purchase Plan on May 14, 2025.