Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-08-26 Sale | 2026-08-28 4:16 pm | Boundless Bio Inc. | BOLD | TANG KEVIN TANG CAPITAL MANAGEMENT LLC 10% Owner | 18,300 | $2.97 | $54,351 | 2,840,635 (Indirect) | View |
| 2026-07-17 Purchase | 2026-07-21 7:38 pm | Boundless Bio Inc. | BOLD | TANG KEVIN TANG CAPITAL MANAGEMENT LLC 10% Owner | 4,863 | $2.44 | $11,866 | 2,858,935 (Indirect) | View |
| 2026-07-14 Purchase | 2026-07-16 8:10 pm | Boundless Bio Inc. | BOLD | TANG KEVIN TANG CAPITAL MANAGEMENT LLC 10% Owner | 63,969 | $2.4331 | $155,646 | 2,854,072 (Indirect) | View |
| 2026-07-09 Purchase | 2026-07-13 7:06 pm | Boundless Bio Inc. | BOLD | TANG KEVIN TANG CAPITAL MANAGEMENT LLC 10% Owner | 91,585 | $2.4247 | $222,070 | 2,790,103 (Indirect) | View |
| 2026-07-06 Purchase | 2026-07-08 8:06 pm | Boundless Bio Inc. | BOLD | TANG KEVIN TANG CAPITAL MANAGEMENT LLC 10% Owner | 57,210 | $2.4797 | $141,865 | 2,698,518 (Indirect) | View |
| 2026-07-01 Sale | 2026-07-06 5:44 pm | Boundless Bio Inc. | BOLD | CRANDELL KEITH BYBEE CLINTON NELSEN ROBERT GILLIS STEVEN Burow Kristina 10% Owner | 16,000 | $2.49 | $39,840 | 2,694,095 (Indirect) | View |
| 2026-07-01 Sale | 2026-07-06 5:43 pm | Boundless Bio Inc. | BOLD | ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner | 16,000 | $2.49 | $39,840 | 2,694,095 (Indirect) | View |
| 2026-06-30 Purchase | 2026-07-02 7:45 pm | Boundless Bio Inc. | BOLD | TANG KEVIN TANG CAPITAL MANAGEMENT LLC 10% Owner | 107,463 | $2.5021 | $268,880 | 2,641,308 (Indirect) | View |
| 2026-06-25 Purchase | 2026-06-29 7:56 pm | Boundless Bio Inc. | BOLD | TANG KEVIN TANG CAPITAL MANAGEMENT LLC 10% Owner | 286,333 | $2.4963 | $714,768 | 2,533,845 (Indirect) | View |
| 2024-04-02 Purchase | 2024-04-04 4:30 pm | Boundless Bio Inc. | BOLD | Burow Kristina Director 10% Owner | 200,000 | $16 | $3,200,000 | 1,181,766 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-07-01 Exercise | 2026-07-06 5:44 pm | N/A N/A | Boundless Bio Inc. | BOLD | CRANDELL KEITH BYBEE CLINTON NELSEN ROBERT GILLIS STEVEN Burow Kristina 10% Owner | 16,000 | $1.03 | 2,694,095 (Indirect) | View |
| 2026-07-01 Exercise | 2026-07-06 5:44 pm | N/A 2035-06-22 | Boundless Bio Inc. | BOLD | CRANDELL KEITH BYBEE CLINTON NELSEN ROBERT GILLIS STEVEN Burow Kristina 10% Owner | 16,000 | $0 | 2,694,095 (Indirect) | View |
| 2026-07-01 Exercise | 2026-07-06 5:43 pm | N/A N/A | Boundless Bio Inc. | BOLD | ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner | 16,000 | $1.03 | 2,694,095 (Indirect) | View |
| 2026-07-01 Exercise | 2026-07-06 5:43 pm | N/A 2035-06-22 | Boundless Bio Inc. | BOLD | ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner | 16,000 | $0 | 2,694,095 (Indirect) | View |
Ownership | 2026-06-29 7:52 pm | N/A N/A | Boundless Bio Inc. | BOLD | TANG KEVIN TANG CAPITAL MANAGEMENT LLC 10% Owner | 0 | $0 | 2,247,512 (Indirect) | View |
| 2026-06-15 Option Award | 2026-06-15 7:40 pm | N/A 2036-06-14 | Boundless Bio Inc. | BOLD | Whiting Nancy Director | 32,000 | $0 | 32,000 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-15 7:36 pm | N/A 2036-06-14 | Boundless Bio Inc. | BOLD | Lim Jonathan E Director | 48,000 | $0 | 48,000 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-15 7:31 pm | N/A 2036-06-14 | Boundless Bio Inc. | BOLD | Christensen James Director | 32,000 | $0 | 32,000 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-15 7:28 pm | N/A 2036-06-14 | Boundless Bio Inc. | BOLD | Lew Jennifer Director | 32,000 | $0 | 32,000 (Direct) | View |
| 2026-01-23 Option Award | 2026-01-26 07:00 am | N/A 2036-01-22 | Boundless Bio Inc. | BOLD | Oien Jessica See Remarks | 220,000 | $0 | 220,000 (Direct) | View |
| 2026-01-23 Option Award | 2026-01-26 07:00 am | N/A 2036-01-22 | Boundless Bio Inc. | BOLD | Hassig Christian Chief Scientific Officer | 230,000 | $0 | 230,000 (Direct) | View |
| 2026-01-23 Option Award | 2026-01-26 07:00 am | N/A 2036-01-22 | Boundless Bio Inc. | BOLD | Doebele Robert Chief Medical Officer | 230,000 | $0 | 230,000 (Direct) | View |
| 2026-01-23 Option Award | 2026-01-26 07:00 am | N/A 2036-01-22 | Boundless Bio Inc. | BOLD | Hornby Zachary President & CEO | 600,000 | $0 | 600,000 (Direct) | View |
| 2026-01-23 Option Award | 2026-01-26 07:00 am | N/A 2036-01-22 | Boundless Bio Inc. | BOLD | HINKLE DAVID A See Remarks | 140,000 | $0 | 140,000 (Direct) | View |
| 2025-06-23 Option Award | 2025-06-23 5:21 pm | N/A 2035-06-22 | Boundless Bio Inc. | BOLD | Brennan Christine Director | 16,000 | $0 | 16,000 (Direct) | View |
| 2025-06-23 Option Award | 2025-06-23 5:16 pm | N/A 2035-06-22 | Boundless Bio Inc. | BOLD | Christensen James Director | 16,000 | $0 | 16,000 (Direct) | View |
| 2025-06-23 Option Award | 2025-06-23 5:15 pm | N/A 2035-06-22 | Boundless Bio Inc. | BOLD | Lew Jennifer Director | 16,000 | $0 | 16,000 (Direct) | View |
| 2025-06-23 Option Award | 2025-06-23 5:13 pm | N/A 2035-06-22 | Boundless Bio Inc. | BOLD | Lim Jonathan E Director | 24,000 | $0 | 24,000 (Direct) | View |
| 2025-06-23 Option Award | 2025-06-23 5:11 pm | N/A 2035-06-22 | Boundless Bio Inc. | BOLD | Burow Kristina Director 10% Owner | 16,000 | $0 | 16,000 (Direct) | View |
| 2025-06-23 Option Award | 2025-06-23 5:09 pm | N/A 2035-06-22 | Boundless Bio Inc. | BOLD | Whiting Nancy Director | 16,000 | $0 | 16,000 (Direct) | View |
| 2025-02-03 Option Award | 2025-02-03 6:38 pm | N/A 2035-02-03 | Boundless Bio Inc. | BOLD | Doebele Robert Chief Medical Officer | 180,000 | $0 | 180,000 (Direct) | View |
| 2025-01-22 Option Award | 2025-01-23 4:05 pm | N/A 2035-01-21 | Boundless Bio Inc. | BOLD | HINKLE DAVID A See Remarks | 65,000 | $0 | 65,000 (Direct) | View |
| 2025-01-22 Option Award | 2025-01-23 4:05 pm | N/A 2035-01-21 | Boundless Bio Inc. | BOLD | Hassig Christian Chief Scientific Officer | 95,000 | $0 | 95,000 (Direct) | View |
| 2025-01-22 Option Award | 2025-01-23 4:05 pm | N/A 2035-01-21 | Boundless Bio Inc. | BOLD | Hornby Zachary President & CEO | 295,000 | $0 | 295,000 (Direct) | View |
| 2025-01-22 Option Award | 2025-01-23 4:05 pm | N/A 2035-01-21 | Boundless Bio Inc. | BOLD | Oien Jessica See Remarks | 90,000 | $0 | 90,000 (Direct) | View |
Ownership | 2024-10-15 08:05 am | N/A N/A | Boundless Bio Inc. | BOLD | HINKLE DAVID A See Remarks | 0 | $0 | 114,260 (Direct) | View |
| 2024-08-19 Option Award | 2024-08-20 7:11 pm | N/A 2030-12-01 | Boundless Bio Inc. | BOLD | Hassig Christian Chief Scientific Officer | 292,823 | $0 | 292,823 (Direct) | View |
| 2024-08-19 Option Award | 2024-08-20 7:11 pm | N/A 2031-09-14 | Boundless Bio Inc. | BOLD | Oien Jessica See Remarks | 191,671 | $0 | 191,671 (Direct) | View |
| 2024-08-19 Option Award | 2024-08-20 7:10 pm | N/A 2031-06-06 | Boundless Bio Inc. | BOLD | Hornby Zachary President & CEO | 1,147,242 | $0 | 1,147,242 (Direct) | View |
| 2024-08-19 Option Award | 2024-08-20 7:08 pm | N/A 2031-09-14 | Boundless Bio Inc. | BOLD | Abdollahian Neil Chief Business Officer | 216,913 | $0 | 216,913 (Direct) | View |
| 2024-08-19 Option Award | 2024-08-20 7:06 pm | N/A 2032-02-23 | Boundless Bio Inc. | BOLD | Wagner Klaus W. Chief Medical Officer | 316,895 | $0 | 316,895 (Direct) | View |
| 2024-08-19 Option Award | 2024-08-20 7:03 pm | N/A 2033-07-25 | Boundless Bio Inc. | BOLD | Rubin Jami Chief Financial Officer | 280,554 | $0 | 280,554 (Direct) | View |
| 2024-06-20 Option Award | 2024-06-20 7:49 pm | N/A 2034-06-19 | Boundless Bio Inc. | BOLD | Lim Jonathan E Director | 6,610 | $0 | 6,610 (Direct) | View |
| 2024-04-02 Conversion | 2024-04-04 4:30 pm | N/A N/A | Boundless Bio Inc. | BOLD | Burow Kristina Director 10% Owner | 4,851,442 | $0 | 1,181,766 (Indirect) | View |