John G. McHutchison

CIK: 0001738125

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (33.3%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ASMB

ASSEMBLY BIOSCIENCES, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (3 total)

ASMB
ASSEMBLY BIOSCIENCES, INC.
Jun 4, 2026
Award(A)
Stock Option (right to buy)
Direct
8K shares-
ASMB
ASSEMBLY BIOSCIENCES, INC.
Jun 5, 2025
Award(A)
Stock Option (right to buy)
Direct
3.5K shares-
ASMB
ASSEMBLY BIOSCIENCES, INC.
Mar 31, 2025
Sale(S)
Direct
757 shares at avg. $9.85$7K

		Type	Shares	Price		Ownership
Jun 4, 2026	ASMB ASSEMBLY BIOSCIENCES, INC.	Award(A) Stock Option (right to buy)	8,000	-	-	Direct
Jun 5, 2025	ASMB ASSEMBLY BIOSCIENCES, INC.	Award(A) Stock Option (right to buy)	3,500	-	-	Direct
Mar 31, 2025	ASMB ASSEMBLY BIOSCIENCES, INC.	Sale(S)	757	$9.85	$7,455	Direct

1-3 of 3 transactions

About McHutchison John G

McHutchison John G (SEC CIK 0001738125) files insider reports with the SEC as Director of ASSEMBLY BIOSCIENCES, INC. (ASMB).

Signal8 holds 3 ownership filings by McHutchison John G, all Form 4s, filed between Apr 15, 2025 and Jun 5, 2026. Those filings report 3 transactions, from Mar 31, 2025 to Jun 4, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on McHutchison John G's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by McHutchison John G

Jun 4, 2026: Grant or award of ASMB derivative securities (Form 4, code A).
Jun 5, 2025: Grant or award of ASMB derivative securities (Form 4, code A).
Mar 31, 2025: Open-market sale of ASMB shares (Form 4, code S).

Other insiders filing for ASSEMBLY BIOSCIENCES, INC. (ASMB)

Bjorkquist Jeanette M, PFO and PAO
Gaggar Anuj, Chief Medical Officer
White Nicole S, Chief Manufacturing Officer
Mahony Susan, Director
Johnson-Pratt Lisa, Director
Houghton Michael, Director

How to read Form 4 transaction codes