Assembly Biosciences (ASMB) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
Updated Oct 15, 2026, 4:00 PM ET
- Closed at $20.57, +0.19% vs the prior close of $20.53.
- Volume 204.20K shares, 0.6x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
ASMB ends flat (+0.2%) to $20.57. Closed at $20.57, +0.19% vs the prior close of $20.53. Day range $20.41–$21.04, opened at $20.73.
ASMB daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 15, 2026 — ASMB ends flat (+0.2%) to $20.57
- Closed at $20.57, +0.19% vs the prior close of $20.53. Day range $20.41–$21.04, opened at $20.73.
- Volume was 204.20K shares, 0.6x its 50-day average of 325.00K.
- Price is -27.1% vs its 50-day average ($28.20) and -26.1% vs its 200-day average ($27.84).
- 52-week range $19.98–$39.71; today's close sits at 3% of that range, 48.2% below the 52-week high.
Oct 14, 2026 — ASMB rises 0.9% to $20.53
- Closed at $20.53, +0.93% vs the prior close of $20.34. Day range $19.98–$20.99, opened at $20.19.
- Volume was 241.30K shares, 0.7x its 50-day average of 321.99K.
- Price is -27.5% vs its 50-day average ($28.32) and -26.4% vs its 200-day average ($27.90).
- 52-week range $19.98–$39.71; today's close sits at 3% of that range, 48.3% below the 52-week high.
Oct 13, 2026 — ASMB slides 10.7% to $20.34, a 52-week low
- Closed at $20.34, -10.67% vs the prior close of $22.77. Day range $20.28–$22.64, opened at $22.64.
- Volume was 305.60K shares, 1.0x its 50-day average of 319.74K.
- Price is -28.5% vs its 50-day average ($28.44) and -27.3% vs its 200-day average ($27.97).
- 52-week range $20.28–$39.71; today's close sits at 0% of that range, 48.8% below the 52-week high.
Oct 12, 2026 — ASMB slides 3.2% to $22.77
- Closed at $22.77, -3.23% vs the prior close of $23.53. Day range $22.44–$23.83, opened at $23.43.
- Volume was 207.80K shares, 0.7x its 50-day average of 317.61K.
- Price is -20.2% vs its 50-day average ($28.54) and -18.8% vs its 200-day average ($28.04).
- 52-week range $21.80–$39.71; today's close sits at 5% of that range, 42.7% below the 52-week high.
Oct 9, 2026 — ASMB jumps 3.1% to $23.53
- Closed at $23.53, +3.11% vs the prior close of $22.82. Day range $22.72–$23.58, opened at $23.00.
- Volume was 170.50K shares, 0.5x its 50-day average of 315.32K — lighter than usual.
- Price is -17.7% vs its 50-day average ($28.59) and -16.2% vs its 200-day average ($28.09).
- 52-week range $21.80–$39.71; today's close sits at 10% of that range, 40.7% below the 52-week high.
Oct 8, 2026 — ASMB dips 0.6% to $22.82
- Closed at $22.82, -0.57% vs the prior close of $22.95. Day range $22.08–$23.05, opened at $22.78.
- Volume was 288.40K shares, 0.9x its 50-day average of 312.62K.
- Price is -20.3% vs its 50-day average ($28.64) and -18.9% vs its 200-day average ($28.15).
- 52-week range $21.80–$39.71; today's close sits at 6% of that range, 42.5% below the 52-week high.
Oct 7, 2026 — ASMB jumps 3.5% to $22.95
- Closed at $22.95, +3.47% vs the prior close of $22.18. Day range $21.80–$23.13, opened at $21.95.
- Volume was 190.80K shares, 0.6x its 50-day average of 310.53K.
- Price is -20.0% vs its 50-day average ($28.68) and -18.7% vs its 200-day average ($28.21).
- 52-week range $21.80–$39.71; today's close sits at 6% of that range, 42.2% below the 52-week high.
Oct 6, 2026 — ASMB dips 2.5% to $22.18, a 52-week low
- Closed at $22.18, -2.46% vs the prior close of $22.74. Day range $21.80–$22.92, opened at $22.84.
- Volume was 349.20K shares, 1.1x its 50-day average of 305.13K.
- Price is -22.8% vs its 50-day average ($28.74) and -21.5% vs its 200-day average ($28.26).
- 52-week range $21.80–$39.71; today's close sits at 2% of that range, 44.1% below the 52-week high.
Oct 5, 2026 — ASMB rises 0.9% to $22.74
- Closed at $22.74, +0.89% vs the prior close of $22.54. Day range $22.27–$22.95, opened at $22.68.
- Volume was 241.70K shares, 0.8x its 50-day average of 303.14K.
- Price is -21.1% vs its 50-day average ($28.81) and -19.7% vs its 200-day average ($28.31).
- 52-week range $21.80–$39.71; today's close sits at 5% of that range, 42.7% below the 52-week high.
Oct 2, 2026 — ASMB dips 1.9% to $22.54, a 3-month low
- Closed at $22.54, -1.91% vs the prior close of $22.98. Day range $22.01–$23.48, opened at $23.30.
- Volume was 368.00K shares, 1.2x its 50-day average of 299.60K.
- Price is -21.9% vs its 50-day average ($28.87) and -20.5% vs its 200-day average ($28.37).
- 52-week range $21.80–$39.71; today's close sits at 4% of that range, 43.2% below the 52-week high.
ASMB latest news & SEC filings
Every SEC filing by or about ASMB in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Aug 20, 2026 · Form S-8 — Employee share plan registration
Registration of shares for employee stock plans (S-8)
Aug 14, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 14, 2026 · Form 8-K/A — Current report (amended)
Amended current report
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Aug 13, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Net income: -$3.86M (prior year -$10.20M) (loss narrowed vs Jun 30, 2025)
- Diluted EPS: -$0.20 (prior year -$1.33) (loss narrowed vs Jun 30, 2025)
Aug 13, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.01 — Completed an acquisition or sale of assets.
Aug 13, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 4, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jun 18, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Bjorkquist Jeanette M sold 29 shares at $23.25 (≈$674) on Jun 17, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Things to know before you trade ASMB
- Last results release: May 7, 2026 (8-K Item 2.02). Previous ones: Mar 19, 2026, Nov 10, 2025, Aug 6, 2025. Based on that rhythm, the next report is likely around Aug 6, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 2.05% (largest 10.7%).
- Liquidity: about 339.01K shares (≈$6.97M) trade per day on average.
- 52-week position: $20.57 vs a range of $19.98–$39.71 (3% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 1 open-market buys, 5 sales; latest: Jeanette M Bjorkquist sold 29 shares on Jun 17, 2026.
- Latest filings: 10-Q Aug 13, 2026; 8-K Aug 13, 2026; 8-K Jun 5, 2026.
- Share count: 20.36M shares outstanding (Aug 7, 2026), +165.4% vs a year earlier — notable dilution.
- Listing: Nasdaq · industry: Pharmaceutical Preparations.
ASMB market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 20.73 | 21.04 | 20.41 | 20.57 | 204.20K |
| Oct 14, 2026 | 20.19 | 20.99 | 19.98 | 20.53 | 241.30K |
| Oct 13, 2026 | 22.64 | 22.64 | 20.28 | 20.34 | 305.60K |
| Oct 12, 2026 | 23.43 | 23.83 | 22.44 | 22.77 | 207.80K |
| Oct 9, 2026 | 23.00 | 23.58 | 22.72 | 23.53 | 170.50K |
| Oct 8, 2026 | 22.78 | 23.05 | 22.08 | 22.82 | 288.40K |
| Oct 7, 2026 | 21.95 | 23.13 | 21.80 | 22.95 | 190.80K |
| Oct 6, 2026 | 22.84 | 22.92 | 21.80 | 22.18 | 349.20K |
| Oct 5, 2026 | 22.68 | 22.95 | 22.27 | 22.74 | 241.70K |
| Oct 2, 2026 | 23.30 | 23.48 | 22.01 | 22.54 | 368.00K |
| Oct 1, 2026 | 23.18 | 23.66 | 22.75 | 22.98 | 350.80K |
| Sep 30, 2026 | 23.65 | 23.87 | 23.23 | 23.49 | 221.10K |
| Sep 29, 2026 | 23.70 | 23.79 | 23.05 | 23.48 | 229.70K |
| Sep 28, 2026 | 23.35 | 23.86 | 23.05 | 23.61 | 117.50K |
| Sep 25, 2026 | 23.70 | 24.25 | 23.43 | 23.67 | 143.50K |
| Sep 24, 2026 | 23.73 | 24.02 | 23.15 | 23.66 | 179.00K |
| Sep 23, 2026 | 25.42 | 25.63 | 23.89 | 23.97 | 275.20K |
| Sep 22, 2026 | 25.69 | 25.89 | 25.12 | 25.45 | 1.07M |
| Sep 21, 2026 | 25.40 | 25.73 | 24.85 | 25.44 | 211.90K |
| Sep 18, 2026 | 25.41 | 25.78 | 24.83 | 24.97 | 1.41M |
About Assembly Biosciences
Assembly Biosciences (ASMB) is listed on the Nasdaq and classified by the SEC under “Pharmaceutical Preparations”. Its business address is in SOUTH SAN FRANCISCO, CA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1426800.
ASMB board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Anthony E Altig | Director | Jun 5, 2026 |
| Gina Consylman | Director | Jun 5, 2026 |
| Michael Houghton | Director | Jun 5, 2026 |
| Lisa Johnson-Pratt | Director | Jun 5, 2026 |
| Susan Mahony | Director | Jun 5, 2026 |
| John G Mchutchison | Director | Jun 5, 2026 |
| Jason A Okazaki | CEO and President | Jun 5, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Jeanette M Bjorkquist | PFO and PAO | Jun 18, 2026 |
| William E Iv Delaney | Chief Scientific Officer | Jun 5, 2026 |
| Anuj Gaggar | Chief Medical Officer | Jun 5, 2026 |
| Jason A Okazaki | CEO and President | Jun 5, 2026 |
| Nicole S White | Chief Manufacturing Officer | Jun 5, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 17, 2026 | Jeanette M Bjorkquist | Sale | 29 | $23.25 |
| Mar 30, 2026 | Nicole S White | Sale | 9 | $27.49 |
| Mar 30, 2026 | Nicole S White | Sale | 188 | $26.65 |
| Mar 30, 2026 | Jeanette M Bjorkquist | Sale | 16 | $27.49 |
| Mar 30, 2026 | Jeanette M Bjorkquist | Sale | 312 | $26.65 |
| Aug 8, 2025 | Sciences, Inc. Gilead | Buy | 2,295,920 | — |
ASMB financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $72.30M | $-6.12M | -0.55 | $-41.09M |
| Dec 31, 2024 | $28.52M | $-40.18M | -6.69 | $-51.12M |
| Dec 31, 2023 | — | $-61.23M | -13.38 | $22.74M |
| Dec 31, 2022 | — | $-93.09M | -23.08 | $-84.46M |
| Dec 31, 2021 | — | $-129.85M | -3.00 | $-93.40M |
Latest balance sheet: total assets $330.83M, total liabilities $25.18M, cash $32.29M (as of Jun 30, 2026).
ASMB earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| May 7, 2026 | 8-K Item 2.02 (results) | $30.93 |
| Mar 19, 2026 | 8-K Item 2.02 (results) | $27.51 |
| Nov 10, 2025 | 8-K Item 2.02 (results) | $32.07 |
| Aug 6, 2025 | 8-K Item 2.02 (results) | $19.43 |
| May 8, 2025 | 8-K Item 2.02 (results) | $11.66 |
| Mar 20, 2025 | 8-K Item 2.02 (results) | $10.69 |
| Nov 7, 2024 | 8-K Item 2.02 (results) | $17.50 |
| Aug 8, 2024 | 8-K Item 2.02 (results) | — |
| May 8, 2024 | 8-K Item 2.02 (results) | — |
| Mar 28, 2024 | 8-K Item 2.02 (results) | — |
| Nov 8, 2023 | 8-K Item 2.02 (results) | — |
| Aug 9, 2023 | 8-K Item 2.02 (results) | — |
Related stocks · Pharmaceutical Preparations
Eli Lilly (LLY)Johnson & Johnson (JNJ)AbbVie (ABBV)Merck (MRK)Abbott Laboratories (ABT)Vertex Pharmaceuticals Inc / Ma (VRTX)Pfizer (PFE)Bristol Myers Squibb (BMY)Astrazeneca (AZN)Regeneron Pharmaceuticals (REGN)
Popular today
Micron Technology (MU)Spdr S&P 500 Etf (SPY)Nvidia (NVDA)Sandisk (SNDK)AMD (AMD)Space Exploration Technologies (SPCX)Intel (INTC)Apple (AAPL)Microsoft (MSFT)Meta Platforms (META)Broadcom (AVGO)Tesla (TSLA)
More on ASMB
Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.