Boundless Bio (BOLD) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $2.34, -0.43% vs the prior close of $2.35.
- Volume 711.18K shares, 4.2x its 50-day average (heavy).
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
BOLD dips 0.4% to $2.34, a 3-month low on 4.2x normal volume. Closed at $2.34, -0.43% vs the prior close of $2.35. Day range $2.29–$2.40, opened at $2.37.
BOLD daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — BOLD dips 0.4% to $2.34, a 3-month low on 4.2x normal volume
- Closed at $2.34, -0.43% vs the prior close of $2.35. Day range $2.29–$2.40, opened at $2.37.
- Volume was 711.18K shares, 4.2x its 50-day average of 168.93K — unusually heavy trading.
- Price is -14.7% vs its 50-day average ($2.74) and +26.3% vs its 200-day average ($1.85).
- 52-week range $0.96–$3.16; today's close sits at 63% of that range, 26.0% below the 52-week high.
- That makes 4 straight losses.
Oct 15, 2026 — BOLD dips 1.7% to $2.35, a 3-month low, 3 down days in a row
- Closed at $2.35, -1.67% vs the prior close of $2.39. Day range $2.34–$2.53, opened at $2.40.
- Volume was 182.00K shares, 1.0x its 50-day average of 175.84K.
- Price is -14.6% vs its 50-day average ($2.75) and +27.2% vs its 200-day average ($1.85).
- 52-week range $0.96–$3.16; today's close sits at 63% of that range, 25.7% below the 52-week high.
- That makes 3 straight losses.
Oct 14, 2026 — BOLD dips 1.6% to $2.39, a 3-month low
- Closed at $2.39, -1.65% vs the prior close of $2.43. Day range $2.38–$2.49, opened at $2.43.
- Volume was 129.80K shares, 0.7x its 50-day average of 180.79K.
- Price is -13.5% vs its 50-day average ($2.76) and +29.8% vs its 200-day average ($1.84).
- 52-week range $0.96–$3.16; today's close sits at 65% of that range, 24.5% below the 52-week high.
Oct 13, 2026 — BOLD slides 4.7% to $2.43, a 3-month low on 2.6x normal volume
- Closed at $2.43, -4.71% vs the prior close of $2.55. Day range $2.39–$2.69, opened at $2.55.
- Volume was 463.20K shares, 2.6x its 50-day average of 177.88K — unusually heavy trading.
- Price is -12.2% vs its 50-day average ($2.77) and +32.4% vs its 200-day average ($1.84).
- 52-week range $0.96–$3.16; today's close sits at 67% of that range, 23.2% below the 52-week high.
Oct 12, 2026 — BOLD rises 0.8% to $2.55
- Closed at $2.55, +0.79% vs the prior close of $2.53. Day range $2.50–$2.59, opened at $2.53.
- Volume was 60.50K shares, 0.3x its 50-day average of 178.78K — lighter than usual.
- Price is -8.0% vs its 50-day average ($2.77) and +39.3% vs its 200-day average ($1.83).
- 52-week range $0.96–$3.16; today's close sits at 72% of that range, 19.4% below the 52-week high.
Oct 9, 2026 — BOLD dips 1.9% to $2.53
- Closed at $2.53, -1.94% vs the prior close of $2.58. Day range $2.47–$2.64, opened at $2.58.
- Volume was 166.80K shares, 0.9x its 50-day average of 177.43K.
- Price is -8.7% vs its 50-day average ($2.77) and +38.8% vs its 200-day average ($1.82).
- 52-week range $0.96–$3.16; today's close sits at 71% of that range, 20.0% below the 52-week high.
Oct 8, 2026 — BOLD dips 2.3% to $2.58 on 1.9x normal volume
- Closed at $2.58, -2.27% vs the prior close of $2.64. Day range $2.50–$2.67, opened at $2.58.
- Volume was 334.20K shares, 1.9x its 50-day average of 172.18K — unusually heavy trading.
- Price is -6.8% vs its 50-day average ($2.77) and +42.0% vs its 200-day average ($1.82).
- 52-week range $0.96–$3.16; today's close sits at 73% of that range, 18.5% below the 52-week high.
Oct 7, 2026 — BOLD rises 2.7% to $2.64
- Closed at $2.64, +2.72% vs the prior close of $2.57. Day range $2.56–$2.71, opened at $2.58.
- Volume was 116.90K shares, 0.7x its 50-day average of 172.60K.
- Price is -4.6% vs its 50-day average ($2.77) and +45.9% vs its 200-day average ($1.81).
- 52-week range $0.96–$3.16; today's close sits at 76% of that range, 16.6% below the 52-week high.
Oct 6, 2026 — BOLD dips 1.2% to $2.57
- Closed at $2.57, -1.15% vs the prior close of $2.60. Day range $2.52–$2.65, opened at $2.62.
- Volume was 65.20K shares, 0.4x its 50-day average of 173.72K — lighter than usual.
- Price is -7.0% vs its 50-day average ($2.76) and +42.5% vs its 200-day average ($1.80).
- 52-week range $0.96–$3.16; today's close sits at 73% of that range, 18.8% below the 52-week high.
Oct 5, 2026 — BOLD dips 0.8% to $2.60
- Closed at $2.60, -0.76% vs the prior close of $2.62. Day range $2.56–$2.66, opened at $2.62.
- Volume was 55.10K shares, 0.3x its 50-day average of 176.51K — lighter than usual.
- Price is -5.9% vs its 50-day average ($2.76) and +44.7% vs its 200-day average ($1.80).
- 52-week range $0.96–$3.16; today's close sits at 74% of that range, 17.8% below the 52-week high.
Oct 2, 2026 — BOLD rises 1.2% to $2.62
- Closed at $2.62, +1.16% vs the prior close of $2.59. Day range $2.55–$2.70, opened at $2.62.
- Volume was 156.50K shares, 0.9x its 50-day average of 180.89K.
- Price is -5.1% vs its 50-day average ($2.76) and +46.4% vs its 200-day average ($1.79).
- 52-week range $0.96–$3.16; today's close sits at 75% of that range, 17.2% below the 52-week high.
BOLD latest news & SEC filings
Every SEC filing by or about BOLD in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Aug 28, 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.
Aug 28, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Tang Capital Management Llc sold 18,300 shares at $2.97 (≈$54.35K) on Aug 26, 2026
- Tang Capital Management Llc sold 18,300 shares at $2.97 (≈$54.35K) on Aug 26, 2026
- Tang Kevin sold 18,300 shares at $2.97 (≈$54.35K) on Aug 26, 2026
- Tang Kevin sold 18,300 shares at $2.97 (≈$54.35K) on Aug 26, 2026
- Tang Capital Management Llc sold 18,300 shares at $2.97 (≈$54.35K) on Aug 26, 2026
- Tang Capital Management Llc sold 18,300 shares at $2.97 (≈$54.35K) on Aug 26, 2026
- …plus 2 more transaction lines in the filing.
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 27, 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 14, 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 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 7, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Net income: -$23.69M (prior year -$15.68M) (loss widened vs Jun 30, 2025)
- Diluted EPS: -$1.06 (prior year -$0.70) (loss widened vs Jun 30, 2025)
Jul 21, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Tang Kevin bought 2,975 shares at $2.44 (≈$7.26K) on Jul 21, 2026
- Tang Kevin bought 2,975 shares at $2.44 (≈$7.26K) on Jul 21, 2026
- Tang Capital Management Llc bought 2,975 shares at $2.44 (≈$7.26K) on Jul 21, 2026
- Tang Capital Management Llc bought 2,975 shares at $2.44 (≈$7.26K) on Jul 21, 2026
- Tang Kevin bought 2,975 shares at $2.44 (≈$7.26K) on Jul 21, 2026
- Tang Kevin bought 2,975 shares at $2.44 (≈$7.26K) on Jul 21, 2026
- …plus 11 more transaction lines in the filing.
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.
Jul 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jul 13, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jul 8, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jul 6, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jun 29, 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.
Things to know before you trade BOLD
- Last results release: May 8, 2026 (8-K Item 2.02). Previous ones: Mar 9, 2026, Nov 5, 2025, Aug 5, 2025. Based on that rhythm, the next report is likely around Aug 7, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 2.15% (largest 6.3%).
- Liquidity: about 207.36K shares (≈$485.22K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $2.34 vs a range of $0.96–$3.16 (63% 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): 17 open-market buys, 8 sales; latest: Capital Management Llc Tang sold 18,300 shares on Aug 26, 2026.
- Latest filings: 8-K Aug 28, 2026; 10-Q Aug 7, 2026; 8-K Jun 23, 2026.
- Share count: 22.75M shares outstanding (Aug 5, 2026), +1.6% vs a year earlier.
- Listing: Nasdaq · industry: Pharmaceutical Preparations.
BOLD market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 2.37 | 2.40 | 2.29 | 2.34 | 711.18K |
| Oct 15, 2026 | 2.40 | 2.53 | 2.34 | 2.35 | 182.00K |
| Oct 14, 2026 | 2.43 | 2.49 | 2.38 | 2.39 | 129.80K |
| Oct 13, 2026 | 2.55 | 2.69 | 2.39 | 2.43 | 463.20K |
| Oct 12, 2026 | 2.53 | 2.59 | 2.50 | 2.55 | 60.50K |
| Oct 9, 2026 | 2.58 | 2.64 | 2.47 | 2.53 | 166.80K |
| Oct 8, 2026 | 2.58 | 2.67 | 2.50 | 2.58 | 334.20K |
| Oct 7, 2026 | 2.58 | 2.71 | 2.56 | 2.64 | 116.90K |
| Oct 6, 2026 | 2.62 | 2.65 | 2.52 | 2.57 | 65.20K |
| Oct 5, 2026 | 2.62 | 2.66 | 2.56 | 2.60 | 55.10K |
| Oct 2, 2026 | 2.62 | 2.70 | 2.55 | 2.62 | 156.50K |
| Oct 1, 2026 | 2.49 | 2.62 | 2.49 | 2.59 | 163.80K |
| Sep 30, 2026 | 2.56 | 2.63 | 2.42 | 2.51 | 208.10K |
| Sep 29, 2026 | 2.60 | 2.62 | 2.56 | 2.56 | 52.00K |
| Sep 28, 2026 | 2.68 | 2.71 | 2.56 | 2.61 | 142.20K |
| Sep 25, 2026 | 2.61 | 2.67 | 2.59 | 2.66 | 255.40K |
| Sep 24, 2026 | 2.69 | 2.74 | 2.60 | 2.60 | 550.30K |
| Sep 23, 2026 | 2.89 | 2.89 | 2.68 | 2.70 | 170.10K |
| Sep 22, 2026 | 2.93 | 2.93 | 2.83 | 2.88 | 30.20K |
| Sep 21, 2026 | 2.80 | 2.84 | 2.75 | 2.83 | 133.70K |
About Boundless Bio
Boundless Bio (BOLD) is listed on the Nasdaq and classified by the SEC under “Pharmaceutical Preparations”. Its business address is in LA JOLLA, CA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1782303.
BOLD 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 |
|---|---|---|
| James Christensen | Director | Jun 15, 2026 |
| Zachary Hornby | President & CEO | Jan 26, 2026 |
| Jennifer Lew | Director | Jun 15, 2026 |
| Jonathan E Lim | Director | Jun 15, 2026 |
| Nancy Whiting | Director | Jun 15, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Robert Doebele | Chief Medical Officer | Jan 26, 2026 |
| David A Hinkle | See Remarks | Jan 26, 2026 |
| Christian Hassig | Chief Scientific Officer | Jan 26, 2026 |
| Zachary Hornby | President & CEO | Jan 26, 2026 |
| Jessica Oien | See Remarks | Jan 26, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 26, 2026 | Capital Management Llc Tang | Sale | 18,300 | $2.97 |
| Aug 26, 2026 | Capital Management Llc Tang | Sale | 18,300 | $2.97 |
| Aug 26, 2026 | Kevin Tang | Sale | 18,300 | $2.97 |
| Aug 26, 2026 | Kevin Tang | Sale | 18,300 | $2.97 |
| Aug 26, 2026 | Capital Management Llc Tang | Sale | 18,300 | $2.97 |
| Aug 26, 2026 | Capital Management Llc Tang | Sale | 18,300 | $2.97 |
| Aug 26, 2026 | Kevin Tang | Sale | 18,300 | $2.97 |
| Aug 26, 2026 | Kevin Tang | Sale | 18,300 | $2.97 |
| Jul 21, 2026 | Kevin Tang | Buy | 2,975 | $2.44 |
| Jul 21, 2026 | Kevin Tang | Buy | 2,975 | $2.44 |
| Jul 21, 2026 | Capital Management Llc Tang | Buy | 2,975 | $2.44 |
| Jul 21, 2026 | Capital Management Llc Tang | Buy | 2,975 | $2.44 |
| Jul 21, 2026 | Kevin Tang | Buy | 2,975 | $2.44 |
| Jul 21, 2026 | Kevin Tang | Buy | 2,975 | $2.44 |
| Jul 21, 2026 | Capital Management Llc Tang | Buy | 2,975 | $2.44 |
BOLD financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | — | $-58.20M | -2.60 | $-46.66M |
| Dec 31, 2024 | — | $-65.36M | -3.85 | $-60.84M |
| Dec 31, 2023 | — | $-49.43M | -40.65 | $-46.85M |
Latest balance sheet: total assets $73.74M, total liabilities $7.77M, cash $20.21M (as of Jun 30, 2026).
BOLD earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| May 8, 2026 | 8-K Item 2.02 (results) | $1.44 |
| Mar 9, 2026 | 8-K Item 2.02 (results) | $1.14 |
| Nov 5, 2025 | 8-K Item 2.02 (results) | $1.26 |
| Aug 5, 2025 | 8-K Item 2.02 (results) | $1.18 |
| May 9, 2025 | 8-K Item 2.02 (results) | $1.44 |
| Mar 27, 2025 | 8-K Item 2.02 (results) | $1.51 |
| Nov 7, 2024 | 8-K Item 2.02 (results) | $3.32 |
| Aug 12, 2024 | 8-K Item 2.02 (results) | — |
| May 13, 2024 | 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 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.