Bolt Biotherapeutics (BOLT) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
Updated Oct 15, 2026, 4:00 PM ET
- Closed at $4.24, +6.53% vs the prior close of $3.98.
- Volume 9.30K shares, 0.3x its 50-day average (light).
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
BOLT jumps 6.5% to $4.24. Closed at $4.24, +6.53% vs the prior close of $3.98. Day range $3.85–$4.44, opened at $4.14.
BOLT 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 — BOLT jumps 6.5% to $4.24
- Closed at $4.24, +6.53% vs the prior close of $3.98. Day range $3.85–$4.44, opened at $4.14.
- Volume was 9.30K shares, 0.3x its 50-day average of 31.59K — lighter than usual.
- Price is +13.9% vs its 50-day average ($3.72) and -6.4% vs its 200-day average ($4.53).
- 52-week range $3.10–$7.20; today's close sits at 28% of that range, 41.1% below the 52-week high.
Oct 14, 2026 — BOLT slides 7.1% to $3.98
- Closed at $3.98, -7.12% vs the prior close of $4.28. Day range $3.76–$4.38, opened at $4.28.
- Volume was 31.10K shares, 1.0x its 50-day average of 31.01K.
- Price is +7.1% vs its 50-day average ($3.72) and -12.3% vs its 200-day average ($4.54).
- 52-week range $3.10–$7.20; today's close sits at 21% of that range, 44.7% below the 52-week high.
Oct 13, 2026 — BOLT rises 1.1% to $4.28, a 1-month high, 7 up days in a row
- Closed at $4.28, +1.06% vs the prior close of $4.24. Day range $4.25–$4.39, opened at $4.26.
- Volume was 12.80K shares, 0.4x its 50-day average of 31.15K — lighter than usual.
- Price is +15.3% vs its 50-day average ($3.72) and -5.7% vs its 200-day average ($4.54).
- 52-week range $3.10–$7.20; today's close sits at 29% of that range, 40.5% below the 52-week high.
- That makes 7 straight gains.
Oct 12, 2026 — BOLT jumps 3.2% to $4.24, a 1-month high, 6 up days in a row
- Closed at $4.24, +3.16% vs the prior close of $4.11. Day range $4.13–$4.68, opened at $4.13.
- Volume was 28.70K shares, 0.9x its 50-day average of 30.98K.
- Price is +14.3% vs its 50-day average ($3.71) and -6.8% vs its 200-day average ($4.55).
- 52-week range $3.10–$7.20; today's close sits at 28% of that range, 41.1% below the 52-week high.
- That makes 6 straight gains.
Oct 9, 2026 — BOLT jumps 12.6% to $4.11, a 1-month high on 3.0x normal volume
- Closed at $4.11, +12.60% vs the prior close of $3.65. Day range $3.77–$4.40, opened at $3.77.
- Volume was 87.20K shares, 3.0x its 50-day average of 29.45K — unusually heavy trading.
- Price is +10.9% vs its 50-day average ($3.70) and -9.7% vs its 200-day average ($4.55).
- 52-week range $3.10–$7.20; today's close sits at 25% of that range, 42.9% below the 52-week high.
- That makes 5 straight gains.
Oct 8, 2026 — BOLT rises 1.4% to $3.65, 4 up days in a row
- Closed at $3.65, +1.39% vs the prior close of $3.60. Day range $3.45–$3.65, opened at $3.55.
- Volume was 10.50K shares, 0.4x its 50-day average of 29.39K — lighter than usual.
- Price is -1.4% vs its 50-day average ($3.70) and -19.9% vs its 200-day average ($4.56).
- 52-week range $3.10–$7.20; today's close sits at 13% of that range, 49.3% below the 52-week high.
- That makes 4 straight gains.
Oct 7, 2026 — BOLT rises 2.6% to $3.60 on 1.9x normal volume
- Closed at $3.60, +2.56% vs the prior close of $3.51. Day range $3.38–$3.79, opened at $3.65.
- Volume was 54.00K shares, 1.9x its 50-day average of 28.48K — unusually heavy trading.
- Price is -2.8% vs its 50-day average ($3.70) and -21.2% vs its 200-day average ($4.57).
- 52-week range $3.10–$7.20; today's close sits at 12% of that range, 50.0% below the 52-week high.
- That makes 3 straight gains.
Oct 6, 2026 — BOLT rises 0.3% to $3.51
- Closed at $3.51, +0.31% vs the prior close of $3.50. Day range $3.45–$3.64, opened at $3.45.
- Volume was 23.30K shares, 0.8x its 50-day average of 28.07K.
- Price is -5.5% vs its 50-day average ($3.71) and -23.3% vs its 200-day average ($4.57).
- 52-week range $3.10–$7.20; today's close sits at 10% of that range, 51.2% below the 52-week high.
- SEC filings that day: 8-K.
Oct 5, 2026 — BOLT rises 1.4% to $3.50
- Closed at $3.50, +1.42% vs the prior close of $3.45. Day range $3.38–$3.71, opened at $3.71.
- Volume was 9.80K shares, 0.4x its 50-day average of 27.96K — lighter than usual.
- Price is -6.0% vs its 50-day average ($3.72) and -23.7% vs its 200-day average ($4.58).
- 52-week range $3.10–$7.20; today's close sits at 10% of that range, 51.4% below the 52-week high.
Oct 2, 2026 — BOLT dips 1.7% to $3.45
- Closed at $3.45, -1.71% vs the prior close of $3.51. Day range $3.45–$3.49, opened at $3.49.
- Volume was 900 shares, 0.0x its 50-day average of 28.59K — lighter than usual.
- Price is -7.5% vs its 50-day average ($3.73) and -24.9% vs its 200-day average ($4.59).
- 52-week range $3.10–$7.20; today's close sits at 9% of that range, 52.1% below the 52-week high.
BOLT latest news & SEC filings
Every SEC filing by or about BOLT in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 6, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
Sep 21, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Yonehiro Grant sold 1,417 shares at $3.77 (≈$5.35K) on Sep 16, 2026; now holds 29,028
- Yonehiro Grant sold 4,909 shares at $3.32 (≈$16.29K) on Sep 17, 2026; now holds 24,119
- Yonehiro Grant sold 6,850 shares at $3.24 (≈$22.17K) on Sep 18, 2026; now holds 17,269
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.
Sep 21, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Nemec Sarah bought 509 shares at $3.88 (≈$1.97K) on Jun 5, 2026; now holds 1,924
- Nemec Sarah sold 843 shares at $3.77 (≈$3.18K) on Sep 16, 2026; now holds 24,081
- Nemec Sarah sold 2,922 shares at $3.32 (≈$9.70K) on Sep 17, 2026; now holds 21,159
- Nemec Sarah sold 4,077 shares at $3.24 (≈$13.19K) on Sep 18, 2026; now holds 17,082
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.
Sep 21, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Quinn William P. bought 637 shares at $3.88 (≈$2.47K) on Jun 5, 2026; now holds 2,950
- Quinn William P. sold 1,889 shares at $3.77 (≈$7.13K) on Sep 16, 2026; now holds 41,061
- Quinn William P. sold 6,545 shares at $3.32 (≈$21.72K) on Sep 17, 2026; now holds 34,516
- Quinn William P. sold 9,132 shares at $3.24 (≈$29.55K) on Sep 18, 2026; now holds 25,384
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.
Aug 13, 2026 · Form SCHEDULE 13G — Passive stake (13G)
Passive stake (13G) — an investor reported owning more than 5%
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 11, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $5.00K (prior year $1.80M) (-99.7% vs Jun 30, 2025)
- Net income: -$7.72M (prior year -$8.56M) (loss narrowed vs Jun 30, 2025)
- Diluted EPS: -$4.57 (prior year -$4.46) (loss widened vs Jun 30, 2025)
Aug 11, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Things to know before you trade BOLT
- Last results release: Aug 11, 2026 (8-K Item 2.02). Previous ones: May 12, 2026, Mar 12, 2026, Nov 12, 2025. Based on that rhythm, the next report is likely around Nov 10, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 3.31% (largest 12.6%). That is a volatile stock.
- Liquidity: about 32.11K shares (≈$136.15K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $4.24 vs a range of $3.10–$7.20 (28% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: 1:20 on Jun 9, 2025
- Insider trades (Form 4, last 12 months, recent 25 shown): 6 open-market buys, 9 sales; latest: William P. Quinn sold 9,132 shares on Sep 18, 2026.
- Latest filings: 8-K Oct 6, 2026; 10-Q Aug 11, 2026; 8-K Aug 11, 2026.
- Share count: 1.93M shares outstanding (Aug 4, 2026), +0.4% vs a year earlier.
- Listing: Nasdaq · industry: Pharmaceutical Preparations.
BOLT market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 4.14 | 4.44 | 3.85 | 4.24 | 9.30K |
| Oct 14, 2026 | 4.28 | 4.38 | 3.76 | 3.98 | 31.10K |
| Oct 13, 2026 | 4.26 | 4.39 | 4.25 | 4.28 | 12.80K |
| Oct 12, 2026 | 4.13 | 4.68 | 4.13 | 4.24 | 28.70K |
| Oct 9, 2026 | 3.77 | 4.40 | 3.77 | 4.11 | 87.20K |
| Oct 8, 2026 | 3.55 | 3.65 | 3.45 | 3.65 | 10.50K |
| Oct 7, 2026 | 3.65 | 3.79 | 3.38 | 3.60 | 54.00K |
| Oct 6, 2026 | 3.45 | 3.64 | 3.45 | 3.51 | 23.30K |
| Oct 5, 2026 | 3.71 | 3.71 | 3.38 | 3.50 | 9.80K |
| Oct 2, 2026 | 3.49 | 3.49 | 3.45 | 3.45 | 900 |
| Oct 1, 2026 | 3.61 | 3.62 | 3.48 | 3.51 | 21.70K |
| Sep 30, 2026 | 3.65 | 3.78 | 3.60 | 3.68 | 9.30K |
| Sep 29, 2026 | 3.46 | 3.65 | 3.46 | 3.60 | 9.50K |
| Sep 28, 2026 | 3.64 | 3.78 | 3.46 | 3.46 | 19.90K |
| Sep 25, 2026 | 3.60 | 3.68 | 3.58 | 3.58 | 4.10K |
| Sep 24, 2026 | 3.57 | 3.71 | 3.46 | 3.59 | 15.30K |
| Sep 23, 2026 | 3.90 | 3.90 | 3.57 | 3.65 | 5.10K |
| Sep 22, 2026 | 3.65 | 3.80 | 3.45 | 3.71 | 17.90K |
| Sep 21, 2026 | 3.46 | 3.64 | 3.38 | 3.59 | 22.50K |
| Sep 18, 2026 | 3.32 | 3.62 | 3.10 | 3.56 | 249.30K |
About Bolt Biotherapeutics
Bolt Biotherapeutics (BOLT) is listed on the Nasdaq and classified by the SEC under “Pharmaceutical Preparations”. Its business address is in REDWOOD CITY, CA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1641281.
BOLT 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 |
|---|---|---|
| Laura Berner | Director | Jun 11, 2026 |
| Jakob Dupont | Director | Jun 11, 2026 |
| Kathleen Laporte | Director | Jun 11, 2026 |
| Brian O'Callaghan | Director | Jun 11, 2026 |
| Nicole Onetto | Director | Jun 11, 2026 |
| William P. Quinn | President, CEO and CFO | Sep 21, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Sarah Nemec | Senior VP, Finance and PAO | Sep 21, 2026 |
| William P. Quinn | President, CEO and CFO | Sep 21, 2026 |
| Grant Yonehiro | Chief Operating Officer | Sep 21, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 18, 2026 | William P. Quinn | Sale | 9,132 | $3.24 |
| Sep 18, 2026 | Grant Yonehiro | Sale | 6,850 | $3.24 |
| Sep 18, 2026 | Sarah Nemec | Sale | 4,077 | $3.24 |
| Sep 17, 2026 | William P. Quinn | Sale | 6,545 | $3.32 |
| Sep 17, 2026 | Grant Yonehiro | Sale | 4,909 | $3.32 |
| Sep 17, 2026 | Sarah Nemec | Sale | 2,922 | $3.32 |
| Sep 16, 2026 | William P. Quinn | Sale | 1,889 | $3.77 |
| Sep 16, 2026 | Grant Yonehiro | Sale | 1,417 | $3.77 |
| Sep 16, 2026 | Sarah Nemec | Sale | 843 | $3.77 |
| Jun 5, 2026 | William P. Quinn | Buy | 637 | $3.88 |
| Jun 5, 2026 | Sarah Nemec | Buy | 509 | $3.88 |
| Dec 5, 2025 | William P. Quinn | Buy | 125 | $4.61 |
| Dec 5, 2025 | Sarah Nemec | Buy | 125 | $4.61 |
| Jun 6, 2025 | Sarah Nemec | Buy | 125 | $5.49 |
| Jun 6, 2025 | William P. Quinn | Buy | 125 | $5.49 |
BOLT financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $7.70M | $-33.38M | -17.85 | $-39.85M |
| Dec 31, 2024 | $7.69M | $-63.12M | -33.06 | $-61.29M |
| Dec 31, 2023 | $7.88M | $-69.20M | -1.83 | $-69.53M |
| Dec 31, 2022 | $5.73M | $-88.10M | -2.36 | $-76.50M |
| Dec 31, 2021 | $1.26M | $-98.59M | -2.97 | $-57.07M |
Latest balance sheet: total assets $40.34M, total liabilities $27.70M, cash $12.86M (as of Jun 30, 2026).
BOLT earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 11, 2026 | 8-K Item 2.02 (results) | $3.98 |
| May 12, 2026 | 8-K Item 2.02 (results) | $4.78 |
| Mar 12, 2026 | 8-K Item 2.02 (results) | $4.05 |
| Nov 12, 2025 | 8-K Item 2.02 (results) | $4.69 |
| Aug 14, 2025 | 8-K Item 2.02 (results) | $5.44 |
| May 12, 2025 | 8-K Item 2.02 (results) | $7.40 |
| Mar 24, 2025 | 8-K Item 2.02 (results) | $8.76 |
| Nov 12, 2024 | 8-K Item 2.02 (results) | $12.84 |
| Aug 13, 2024 | 8-K Item 2.02 (results) | — |
| Mar 21, 2024 | 8-K Item 2.02 (results) | — |
| Nov 9, 2023 | 8-K Item 2.02 (results) | — |
| Aug 7, 2023 | 8-K Item 2.02 (results) | — |
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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.