// company-profile
Assembly Biosciences, Inc.
ASMB// activity-summary
Recent insider activity is bullish. Over the last 30 days, 7 insiders purchased shares (net $12.5M) versus 1 sale. Buying was led by GILEAD SCIENCES, INC..
// 90-day insight
Over the last 90 days, Assembly Biosciences, Inc. insiders bought $12.5M (17 transactions) and sold $15K (5 transactions).
- Most active insider: Bjorkquist Jeanette M with 5 transactions totaling $9K.
- Largest single purchase: $12.5M by GILEAD SCIENCES, INC. on May 26, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Assembly Biosciences, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 17, 2026 | Bjorkquist Jeanette M | ASMB | Sale | 29 | $23.25 | $1K |
| Jun 4, 2026 | McHutchison John G | ASMB | Award | 8,000 | $0.00 | $0K |
| Jun 4, 2026 | Mahony Susan | ASMB | Award | 8,000 | $0.00 | $0K |
| Jun 4, 2026 | ALTIG ANTHONY E | ASMB | Award | 8,000 | $0.00 | $0K |
| Jun 4, 2026 | Houghton Michael | ASMB | Award | 8,000 | $0.00 | $0K |
45 more transactions hidden
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