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Data as of 2026-09-29
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Assembly Biosciences (ASMB): Congress and insider trades

Who in Congress and inside the company traded ASMB, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • Assembly Biosciences (ASMB) is a listed stock on NASDAQ.
  • 1 member of Congress filed 1 buy and 1 sell of ASMB, the latest published 2021-02-18 (18 February 2021).
  • Insiders filed 0 open market buys worth $0 and 3 sells worth $14.7K, the latest filed 2026-06-18 (18 June 2026).
  • Across 1 scored buy, Congress averaged -43.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 1 1 members
Congress sells 1
Insider buys 0 $0
Insider sells 3 $14.7K
Congress buys vs S&P, 90d -43.0% 1 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys

Congress trades in ASMB

as of 2021-02-18
  1. Chris Jacobs2 trades
Congress trades in ASMB, newest first.
FiledMemberTypeSizeDays to file90 day vs S&P
18 Feb 2021 Chris Jacobs (R-NY) sell 1K–15K 44 n/a
11 Feb 2021 Chris Jacobs (R-NY) buy 1K–15K 44 -43.0%

Insider trades in ASMB

as of 2026-06-18
Open market insider trades in ASMB, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
18 Jun 2026 Bjorkquist Jeanette M sell 29 $23.25 $674 n/a
31 Mar 2026 White Nicole S sell 197 $26.69 $5.3K n/a
31 Mar 2026 Bjorkquist Jeanette M sell 328 $26.69 $8.8K n/a

Frequently asked questions

Who has bought ASMB?

1 Congress buy by 1 member and 0 insider buys are on file. The tables on this page list every one.

Did buying ASMB after a disclosure beat the market?

Across 1 scored buy, Congress averaged -43.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.

Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.