InsiderFlow

ASMB

Assembly Biosciences, Inc.$25.61+0.16 (+0.63%)
Prev Close$25.44·MCap$494.8M·P/E·Vol904.9K·Yield

Buys (12M)

0

$0.00

Sells (12M)

3

$14.7K

Net Activity

Net Seller

$14.7K

Active Insiders

2

last 12 mo

Over the past 12 months, insider activity at Assembly Biosciences, Inc. (ASMB) has been exclusively selling, with 0 insider purchases totaling $0.00 and 3 insider sales totaling $14.7K. The most recent insider transaction was by Bjorkquist Jeanette M (officer: PFO and PAO), who sold $674.25 worth of shares on Jun 18, 2026. Assembly Biosciences, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $494.8M.

ASMB Insider Trading Activity

DateInsiderTypeValue
Jun 18, 2026 Bjorkquist Jeanette MSell$674.25
Mar 31, 2026 White Nicole SSell$5.3K
Mar 31, 2026 Bjorkquist Jeanette MSell$8.8K
Mar 31, 2025 McHutchison John GSell$7.5K
Mar 29, 2025 Bjorkquist Jeanette MSell$1.8K
Mar 29, 2025 Okazaki Jason ASell$3.5K
Mar 29, 2025 White Nicole SSell$1.9K
Dec 30, 2024 Houghton MichaelBuy$50.0K
Nov 22, 2024 Schornstein AlexanderBuy$372.0K
Nov 18, 2024 White Nicole SSell$651.60
Oct 8, 2024 Schornstein AlexanderBuy$145.8K
Oct 3, 2024 Okazaki Jason ASell$2.9K
Oct 3, 2024 White Nicole SSell$2.3K
Aug 2, 2024 Okazaki Jason ASell$14.0K
Aug 2, 2024 White Nicole SSell$11.2K
Jul 3, 2024 Schornstein AlexanderBuy$111.6K
May 23, 2024 Bjorkquist Jeanette MSell$358.41
May 23, 2024 McHutchison John GSell$31.6K
May 23, 2024 Okazaki Jason ASell$8.2K
May 23, 2024 White Nicole SSell$2.6K
Apr 29, 2024 Okazaki Jason ASell$19.9K
Apr 29, 2024 White Nicole SSell$15.9K
Apr 1, 2024 McHutchison John GSell$15.8K
Mar 29, 2024 Bjorkquist Jeanette MSell$1.5K
Mar 29, 2024 Okazaki Jason ASell$4.6K
Mar 29, 2024 White Nicole SSell$2.6K
Mar 27, 2024 Okazaki Jason ASell$5.0K
Jan 17, 2024 Schornstein AlexanderBuy$511.3K4.1% OS
Nov 20, 2023 Schornstein AlexanderBuy$282.1K2.5% OS
Nov 17, 2023 White Nicole SSell$328.65
Oct 2, 2023 Okazaki Jason ASell$1.9K
Oct 2, 2023 White Nicole SSell$1.5K
Aug 2, 2023 Delaney William E IVSell$10.3K
Aug 2, 2023 Okazaki Jason ASell$12.9K
Jul 24, 2023 Bjorkquist Jeanette MSell$900.38
May 30, 2023 Delaney William E IVSell$4.0K
May 22, 2023 Bjorkquist Jeanette MSell$285.04
May 22, 2023 Delaney William E IVSell$6.8K
May 22, 2023 McHutchison John GSell$27.0K
Mar 30, 2023 McHutchison John GSell$12.3K
Mar 29, 2023 Delaney William E IVSell$2.8K
Mar 29, 2023 Okazaki Jason ASell$3.5K
Mar 27, 2023 Okazaki Jason ASell$4.8K
Feb 16, 2023 Bjorkquist Jeanette MSell$637.16
Aug 8, 2022 McHutchison John GSell$26.2K
Jul 25, 2022 Samar Michael P.Sell$4.5K
May 31, 2022 Delaney William E IVSell$8.0K
Mar 29, 2022 McHutchison John GSell$10.0K
Mar 29, 2022 Okazaki Jason ASell$2.8K
Mar 29, 2022 Samar Michael P.Sell$5.0K
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ASMB Insider Buying Activity

The following table shows recent insider purchases of Assembly Biosciences, Inc. (ASMB) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Dec 30, 2024 Houghton MichaelBuy$50.0K
Nov 22, 2024 Schornstein AlexanderBuy$372.0K
Oct 8, 2024 Schornstein AlexanderBuy$145.8K
Jul 3, 2024 Schornstein AlexanderBuy$111.6K
Jan 17, 2024 Schornstein AlexanderBuy$511.3K4.1% OS
Nov 20, 2023 Schornstein AlexanderBuy$282.1K2.5% OS

ASMB Insider Selling Activity

The following table shows recent insider sales of Assembly Biosciences, Inc. (ASMB) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Jun 18, 2026 Bjorkquist Jeanette MSell$674.25
Mar 31, 2026 White Nicole SSell$5.3K
Mar 31, 2026 Bjorkquist Jeanette MSell$8.8K
Mar 31, 2025 McHutchison John GSell$7.5K
Mar 29, 2025 Bjorkquist Jeanette MSell$1.8K
Mar 29, 2025 Okazaki Jason ASell$3.5K
Mar 29, 2025 White Nicole SSell$1.9K
Nov 18, 2024 White Nicole SSell$651.60
Oct 3, 2024 Okazaki Jason ASell$2.9K
Oct 3, 2024 White Nicole SSell$2.3K
Aug 2, 2024 Okazaki Jason ASell$14.0K
Aug 2, 2024 White Nicole SSell$11.2K
May 23, 2024 Bjorkquist Jeanette MSell$358.41
May 23, 2024 McHutchison John GSell$31.6K
May 23, 2024 Okazaki Jason ASell$8.2K
May 23, 2024 White Nicole SSell$2.6K
Apr 29, 2024 Okazaki Jason ASell$19.9K
Apr 29, 2024 White Nicole SSell$15.9K
Apr 1, 2024 McHutchison John GSell$15.8K
Mar 29, 2024 Bjorkquist Jeanette MSell$1.5K
Mar 29, 2024 Okazaki Jason ASell$4.6K
Mar 29, 2024 White Nicole SSell$2.6K
Mar 27, 2024 Okazaki Jason ASell$5.0K
Nov 17, 2023 White Nicole SSell$328.65
Oct 2, 2023 Okazaki Jason ASell$1.9K
Oct 2, 2023 White Nicole SSell$1.5K
Aug 2, 2023 Delaney William E IVSell$10.3K
Aug 2, 2023 Okazaki Jason ASell$12.9K
Jul 24, 2023 Bjorkquist Jeanette MSell$900.38
May 30, 2023 Delaney William E IVSell$4.0K
May 22, 2023 Bjorkquist Jeanette MSell$285.04
May 22, 2023 Delaney William E IVSell$6.8K
May 22, 2023 McHutchison John GSell$27.0K
Mar 30, 2023 McHutchison John GSell$12.3K
Mar 29, 2023 Delaney William E IVSell$2.8K
Mar 29, 2023 Okazaki Jason ASell$3.5K
Mar 27, 2023 Okazaki Jason ASell$4.8K
Feb 16, 2023 Bjorkquist Jeanette MSell$637.16
Aug 8, 2022 McHutchison John GSell$26.2K
Jul 25, 2022 Samar Michael P.Sell$4.5K
May 31, 2022 Delaney William E IVSell$8.0K
Mar 29, 2022 McHutchison John GSell$10.0K
Mar 29, 2022 Okazaki Jason ASell$2.8K
Mar 29, 2022 Samar Michael P.Sell$5.0K

ASMB Insiders

Bjorkquist Jeanette M

Principal Accounting Officer

Sold $14.9K
8 tradesLast: Jun 18, 2026
White Nicole S

officer: Chief Manufacturing Officer

Sold $44.3K
10 tradesLast: Mar 31, 2026
McHutchison John G

Director

Sold $174.1K
8 tradesLast: Mar 31, 2025
Okazaki Jason A

Chief Operating Officer

Sold $94.3K
13 tradesLast: Mar 29, 2025
Houghton Michael

Director

Bought $50.0K
1 tradesLast: Dec 30, 2024
Schornstein Alexander

10% Owner

Bought $1.42M
5 tradesLast: Nov 22, 2024
Delaney William E IV

Chief Scientific Officer

Sold $48.6K
6 tradesLast: Aug 2, 2023
Samar Michael P.

Chief Financial Officer

Sold $9.4K
2 tradesLast: Jul 25, 2022
Stamm Luisa M

Chief Medical Officer

Sold $2.2K
1 tradesLast: Mar 29, 2022