InsiderClue
Stocks · Health care · Pharmaceutical Preparations

Boundless Bio, Inc.

BOLD Clue Score31
United States Fiscal year ends December CIK 0001782303
2.53
-1.94%
Close, 9 Oct 2026 · USD
Alert on the numbers Alert on insider trades

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
2.53 on 9 Oct 2026
3 2 1 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $1.30 14 Oct 2025 $1.32 15 Oct 2025 $1.32 16 Oct 2025 $1.41 17 Oct 2025 $1.37 20 Oct 2025 $1.40 21 Oct 2025 $1.49 22 Oct 2025 $1.51 23 Oct 2025 $1.41 24 Oct 2025 $1.46 27 Oct 2025 $1.49 28 Oct 2025 $1.46 29 Oct 2025 $1.43 30 Oct 2025 $1.38 31 Oct 2025 $1.40 3 Nov 2025 $1.37 4 Nov 2025 $1.30 5 Nov 2025 $1.26 6 Nov 2025 $1.26 7 Nov 2025 $1.23 10 Nov 2025 $1.21 11 Nov 2025 $1.26 12 Nov 2025 $1.23 13 Nov 2025 $1.20 14 Nov 2025 $1.24 17 Nov 2025 $1.18 18 Nov 2025 $1.19 19 Nov 2025 $1.15 20 Nov 2025 $1.11 21 Nov 2025 $1.13 24 Nov 2025 $1.11 25 Nov 2025 $1.11 26 Nov 2025 $1.11 28 Nov 2025 $1.17 1 Dec 2025 $1.09 2 Dec 2025 $1.09 3 Dec 2025 $1.08 4 Dec 2025 $1.10 5 Dec 2025 $1.14 8 Dec 2025 $1.14 9 Dec 2025 $1.18 10 Dec 2025 $1.16 11 Dec 2025 $1.15 12 Dec 2025 $1.17 15 Dec 2025 $1.14 16 Dec 2025 $1.14 17 Dec 2025 $1.27 18 Dec 2025 $1.27 19 Dec 2025 $1.22 22 Dec 2025 $1.23 23 Dec 2025 $1.21 24 Dec 2025 $1.21 26 Dec 2025 $1.20 29 Dec 2025 $1.20 30 Dec 2025 $1.20 31 Dec 2025 $1.20 2 Jan 2026 $1.22 5 Jan 2026 $1.18 6 Jan 2026 $1.23 7 Jan 2026 $1.28 8 Jan 2026 $1.31 9 Jan 2026 $1.31 12 Jan 2026 $1.24 13 Jan 2026 $1.24 14 Jan 2026 $1.26 15 Jan 2026 $1.25 16 Jan 2026 $1.24 20 Jan 2026 $1.23 21 Jan 2026 $1.24 22 Jan 2026 $1.27 23 Jan 2026 $1.26 26 Jan 2026 $1.23 27 Jan 2026 $1.22 28 Jan 2026 $1.21 29 Jan 2026 $1.18 30 Jan 2026 $1.16 2 Feb 2026 $1.13 3 Feb 2026 $1.09 4 Feb 2026 $1.05 5 Feb 2026 $1.09 6 Feb 2026 $1.16 9 Feb 2026 $1.15 10 Feb 2026 $1.12 11 Feb 2026 $1.11 12 Feb 2026 $1.13 13 Feb 2026 $1.13 17 Feb 2026 $1.15 18 Feb 2026 $1.16 19 Feb 2026 $1.18 20 Feb 2026 $1.16 23 Feb 2026 $1.15 24 Feb 2026 $1.17 25 Feb 2026 $1.17 26 Feb 2026 $1.16 27 Feb 2026 $1.16 2 Mar 2026 $1.16 3 Mar 2026 $1.13 4 Mar 2026 $1.14 5 Mar 2026 $1.12 6 Mar 2026 $1.13 9 Mar 2026 $1.14 10 Mar 2026 $1.15 11 Mar 2026 $1.16 12 Mar 2026 $1.12 13 Mar 2026 $1.11 16 Mar 2026 $1.12 17 Mar 2026 $1.15 18 Mar 2026 $1.17 19 Mar 2026 $1.15 20 Mar 2026 $1.19 23 Mar 2026 $1.15 24 Mar 2026 $1.13 25 Mar 2026 $1.13 26 Mar 2026 $1.11 27 Mar 2026 $1.11 30 Mar 2026 $1.09 31 Mar 2026 $1.10 1 Apr 2026 $1.13 2 Apr 2026 $1.08 6 Apr 2026 $1.18 7 Apr 2026 $1.14 8 Apr 2026 $1.15 9 Apr 2026 $1.14 10 Apr 2026 $1.13 13 Apr 2026 $1.20 14 Apr 2026 $1.56 15 Apr 2026 $1.63 16 Apr 2026 $1.63 17 Apr 2026 $1.58 20 Apr 2026 $1.60 21 Apr 2026 $1.58 22 Apr 2026 $1.55 23 Apr 2026 $1.52 24 Apr 2026 $1.50 27 Apr 2026 $1.47 28 Apr 2026 $1.44 29 Apr 2026 $1.45 30 Apr 2026 $1.46 1 May 2026 $1.57 4 May 2026 $1.57 5 May 2026 $1.57 6 May 2026 $1.58 7 May 2026 $1.53 8 May 2026 $1.44 11 May 2026 $1.55 12 May 2026 $1.50 13 May 2026 $1.54 14 May 2026 $1.55 15 May 2026 $1.49 18 May 2026 $1.42 19 May 2026 $1.40 20 May 2026 $1.42 21 May 2026 $1.45 22 May 2026 $1.44 26 May 2026 $1.47 27 May 2026 $1.47 28 May 2026 $1.46 29 May 2026 $1.45 1 Jun 2026 $1.44 2 Jun 2026 $1.43 3 Jun 2026 $1.44 4 Jun 2026 $1.47 5 Jun 2026 $1.42 8 Jun 2026 $1.43 9 Jun 2026 $1.40 10 Jun 2026 $1.38 11 Jun 2026 $1.39 12 Jun 2026 $1.41 15 Jun 2026 $1.40 16 Jun 2026 $1.41 17 Jun 2026 $1.40 18 Jun 2026 $1.43 22 Jun 2026 $1.40 23 Jun 2026 $2.60 24 Jun 2026 $2.60 25 Jun 2026 $2.51 26 Jun 2026 $2.56 29 Jun 2026 $2.45 30 Jun 2026 $2.50 1 Jul 2026 $2.48 2 Jul 2026 $2.50 6 Jul 2026 $2.50 7 Jul 2026 $2.50 8 Jul 2026 $2.45 9 Jul 2026 $2.51 10 Jul 2026 $2.41 13 Jul 2026 $2.44 14 Jul 2026 $2.46 15 Jul 2026 $2.47 16 Jul 2026 $2.49 17 Jul 2026 $2.48 20 Jul 2026 $2.44 21 Jul 2026 $2.48 22 Jul 2026 $2.52 23 Jul 2026 $2.52 24 Jul 2026 $2.57 27 Jul 2026 $2.48 28 Jul 2026 $2.47 29 Jul 2026 $2.48 30 Jul 2026 $2.50 31 Jul 2026 $2.50 3 Aug 2026 $2.57 4 Aug 2026 $2.71 5 Aug 2026 $2.80 6 Aug 2026 $2.84 7 Aug 2026 $2.89 10 Aug 2026 $2.82 11 Aug 2026 $2.75 12 Aug 2026 $2.78 13 Aug 2026 $2.78 14 Aug 2026 $2.83 17 Aug 2026 $2.83 18 Aug 2026 $2.86 19 Aug 2026 $2.86 20 Aug 2026 $2.90 21 Aug 2026 $3.00 24 Aug 2026 $2.96 25 Aug 2026 $2.94 26 Aug 2026 $2.92 27 Aug 2026 $2.86 28 Aug 2026 $2.83 31 Aug 2026 $2.81 1 Sep 2026 $2.89 2 Sep 2026 $2.89 3 Sep 2026 $2.87 4 Sep 2026 $2.87 8 Sep 2026 $2.86 9 Sep 2026 $2.85 10 Sep 2026 $2.84 11 Sep 2026 $2.83 14 Sep 2026 $2.84 15 Sep 2026 $2.81 16 Sep 2026 $2.82 17 Sep 2026 $2.80 18 Sep 2026 $2.81 21 Sep 2026 $2.83 22 Sep 2026 $2.88 23 Sep 2026 $2.70 24 Sep 2026 $2.60 25 Sep 2026 $2.66 28 Sep 2026 $2.61 29 Sep 2026 $2.56 30 Sep 2026 $2.51 1 Oct 2026 $2.59 2 Oct 2026 $2.62 5 Oct 2026 $2.60 6 Oct 2026 $2.57 7 Oct 2026 $2.64 8 Oct 2026 $2.58 9 Oct 2026 $2.53 TANG KEVIN 10% owner Bought $363.09K 25 Jun 2026 · at $2.48 · 6.5% of stake TANG KEVIN 10% owner Bought $191.71K 26 Jun 2026 · at $2.55 · 3.1% of stake TANG KEVIN 10% owner Bought $159.97K 29 Jun 2026 · at $2.47 · 2.6% of stake TANG KEVIN 10% owner Bought $66.11K 30 Jun 2026 · at $2.54 · 1.0% of stake CRANDELL KEITH 10% owner Sold at will $39.84K 1 Jul 2026 · at $2.49 · 100% of stake ARCH Venture Fund IX, L.P. 10% owner Sold at will $39.84K 1 Jul 2026 · at $2.49 · 100% of stake TANG KEVIN 10% owner Bought $178.31K 1 Jul 2026 · at $2.49 · 2.8% of stake TANG KEVIN 10% owner Bought $24.45K 2 Jul 2026 · at $2.49 · 0.4% of stake TANG KEVIN 10% owner Bought $67.38K 6 Jul 2026 · at $2.49 · 1.0% of stake TANG KEVIN 10% owner Bought $39.21K 7 Jul 2026 · at $2.48 · 0.6% of stake TANG KEVIN 10% owner Bought $35.27K 8 Jul 2026 · at $2.46 · 0.5% of stake TANG KEVIN 10% owner Bought $17.36 9 Jul 2026 · at $2.48 · 0.0% of stake TANG KEVIN 10% owner Bought $105.38K 10 Jul 2026 · at $2.43 · 1.6% of stake TANG KEVIN 10% owner Bought $116.67K 13 Jul 2026 · at $2.42 · 1.8% of stake TANG KEVIN 10% owner Bought $106.62K 14 Jul 2026 · at $2.43 · 1.6% of stake TANG KEVIN 10% owner Bought $3.90K 15 Jul 2026 · at $2.44 · 0.1% of stake TANG KEVIN 10% owner Bought $45.12K 16 Jul 2026 · at $2.44 · 0.7% of stake TANG KEVIN 10% owner Bought $646.60 17 Jul 2026 · at $2.44 · 0.0% of stake TANG KEVIN 10% owner Bought $3.96K 20 Jul 2026 · at $2.44 · 0.1% of stake TANG KEVIN 10% owner Bought $7.26K 21 Jul 2026 · at $2.44 · 0.1% of stake TANG KEVIN 10% owner Sold at will $54.35K 26 Aug 2026 · at $2.97 · 0.6% of stake
18 buys3 sales at will0 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Net income
$58.20M
Free cash flow
$47.21M
Return on equity
-59.0%
Return on capital
-50.9%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
0K -49M FY23 Fiscal year 2023 Revenue $0.00 Net income $49.43M Margin n/a 0K -65M FY24 Fiscal year 2024 Revenue $0.00 Net income $65.36M Margin n/a 0K -58M FY25 Fiscal year 2025 Revenue $0.00 Net income $58.20M Margin n/a
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
26 Aug 2026 TANG KEVIN
10% owner
 Sold at will $54.35K 0.6%
21 Jul 2026 TANG KEVIN
10% owner
 Bought $7.26K 0.1%
20 Jul 2026 TANG KEVIN
10% owner
 Bought $3.96K 0.1%
17 Jul 2026 TANG KEVIN
10% owner
 Bought $646.60 0.0%
16 Jul 2026 TANG KEVIN
10% owner
 Bought $45.12K 0.7%
15 Jul 2026 TANG KEVIN
10% owner
 Bought $3.90K 0.1%