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Assembly Biosciences, Inc. (NASDAQ:ASMB)
US · Delayed Price · Currency is USD
Healthcare · Biotechnology
19.67-0.17 (-0.86%)
Market cap
$400M
Health Score
Analyst consensus
Listed since
Dec 17, 2010
Website
Insider Score
––Not scored
ASMB Insider Score
No insider has filed an open-market purchase or sale here in the last 90 days, so there is nothing to score yet.
ASMB Stock Insider Trading Activity
ASMB stock’s insider trading shows 1 sale on the open market for an estimated $674.25 by company insiders over the last 6 months.
Not enough price history.
Insider Trading Activity (Form 4 Filings)
An insider trade occurs when an individual that has non-public information about a company buys or sells shares of that company’s stock. Examples of insiders include a company’s executive officers (CEO, CFO, COO), its board of directors, and its major shareholders. Insiders are required to submit their trading activity to the SEC through Form 4 filings.
| Insider | Action | Shares | Avg Cost | Total | Δ Holdings | Held After | Date | Grade | Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| Bjorkquist Jeanette M Other | Sell | 29 | $23.25 | $674.25 | 0.2% | 14,560 | Jun 17, 2026 | — | Form 4 |
| GILEAD SCIENCES, INC. Other | Award | 471,698 | $26.50 | $12.50M | 10.5% | 4,977,089 | May 26, 2026 | — | Form 4 |
| Bjorkquist Jeanette M Other | Sell | 16 | $27.49 | $439.84 | 0.1% | 11,089 | Mar 30, 2026 | — | Form 4 |
| Bjorkquist Jeanette M Other | Sell | 312 | $26.65 | $8.31K | 2.7% | 11,105 | Mar 30, 2026 | — | Form 4 |
| White Nicole S Other | Sell | 188 | $26.65 | $5.01K | 0.5% | 37,486 | Mar 30, 2026 | — | Form 4 |
| White Nicole S Other | Sell | 9 | $27.49 | $247.41 | 0.0% | 37,477 | Mar 30, 2026 | — | Form 4 |
| Bjorkquist Jeanette M Other | Award | 6,500 | — | — | 132% | 11,417 | Mar 29, 2026 | — | Form 4 |
| White Nicole S Other | Award | 26,000 | — | — | 223% | 37,674 | Mar 29, 2026 | — | Form 4 |
| Gaggar Anuj Other | Award | 26,000 | — | — | 1300% | 28,000 | Mar 29, 2026 | — | Form 4 |
| Delaney William E IV Other | Award | 26,000 | — | — | 132% | 45,642 | Mar 29, 2026 | — | Form 4 |
| Okazaki Jason A CEO | Award | 94,250 | — | — | 534% | 111,916 | Mar 29, 2026 | — | Form 4 |
| White Nicole S Other | Award | 14,000 | — | — | 41.0% | 48,145 | Mar 29, 2026 | — | Form 4 |
| Gaggar Anuj Other | Award | 14,000 | — | — | 48.8% | 42,688 | Mar 29, 2026 | — | Form 4 |
| Bjorkquist Jeanette M Other | Award | 3,500 | — | — | 31.6% | 14,589 | Mar 29, 2026 | — | Form 4 |
| Delaney William E IV Other | Award | 14,000 | — | — | 30.2% | 60,330 | Mar 29, 2026 | — | Form 4 |
| Okazaki Jason A CEO | Award | 50,750 | — | — | 45.1% | 163,354 | Mar 29, 2026 | — | Form 4 |
What these mean— the action is the SEC’s own Form 4 transaction code. Only a buy or a sell is an open-market trade; the rest are transfers, awards and exercises, which is why they carry no price.
- Sell (S) — Open-market or private sale
- Award (A) — Grant or award from the company, not a purchase
Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.