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:
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 |
| 2026-06-17 Conversion | 2026-06-22 7:39 pm | N/A N/A | Kardigan Inc. | KARD | ARCH Venture Partners XIII LLC ARCH Venture Partners XIII L.P. ARCH Venture Fund XIII L.P. CRANDELL KEITH NELSEN ROBERT Burow Kristina GILLIS STEVEN Director 10% Owner | 22,451,023 | $0 | 13,792,035 (Indirect) | View |
Ownership | 2026-06-18 06:15 am | N/A N/A | Kardigan Inc. | KARD | ARCH Venture Partners XIII LLC ARCH Venture Partners XIII L.P. ARCH Venture Fund XIII L.P. CRANDELL KEITH NELSEN ROBERT Burow Kristina GILLIS STEVEN Director 10% Owner | 0 | $0 | 14,668,075 (Indirect) | View |
| 2026-06-11 Option Award | 2026-06-12 4:46 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director | 19,865 | $0 | 5,784,284 (Direct) | View |
| 2026-06-10 Exercise | 2026-06-12 4:46 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director | 14,083 | $0 | 5,784,284 (Direct) | View |
| 2026-05-04 Conversion | 2026-05-04 6:02 pm | N/A N/A | Seaport Therapeutics Inc. | SPTX | ARCH Venture Partners XII LLC ARCH Venture Partners XII L.P. ARCH Venture Fund XII L.P. CRANDELL KEITH NELSEN ROBERT Burow Kristina GILLIS STEVEN 10% Owner | 5,194,951 | $0 | 6,294,951 (Indirect) | View |
Ownership | 2026-04-30 8:09 pm | N/A N/A | Seaport Therapeutics Inc. | SPTX | ARCH Venture Partners XII LLC ARCH Venture Partners XII L.P. ARCH Venture Fund XII L.P. CRANDELL KEITH NELSEN ROBERT Burow Kristina GILLIS STEVEN 10% Owner | 0 | $0 | 5,194,951 (Indirect) | View |
| 2026-02-05 Option Award | 2026-02-09 5:34 pm | N/A N/A | Twist Bioscience Corp | TWST | CRANDELL KEITH Director | 5,095 | $0 | 103,618 (Direct) | View |
Ownership | 2025-07-29 9:23 pm | N/A N/A | Lyell Immunopharma Inc. | LYEL | ARCH Venture Fund XIII L.P. ARCH Venture Partners XIII L.P. ARCH Venture Partners XIII LLC CRANDELL KEITH NELSEN ROBERT Burow Kristina GILLIS STEVEN BERNS PAUL L 10% Owner | 0 | $0 | 938,438 (Indirect) | View |
| 2025-06-12 Option Award | 2025-06-13 4:18 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 20,599 | $0 | 5,770,935 (Direct) | View |
| 2025-06-11 Exercise | 2025-06-13 4:18 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 11,364 | $0 | 5,770,935 (Direct) | View |
| 2025-02-05 Option Award | 2025-02-07 5:16 pm | N/A N/A | Twist Bioscience Corp | TWST | CRANDELL KEITH Director | 4,472 | $0 | 98,523 (Direct) | View |
| 2025-02-03 Conversion | 2025-02-03 7:01 pm | N/A N/A | Metsera Inc. | MTSR | ARCH Venture Partners XII LLC ARCH Venture Fund XII L.P. ARCH Venture Partners XII L.P. ARCH Venture Fund XIII L.P. ARCH Venture Partners XIII L.P. ARCH Venture Partners XIII LLC CRANDELL KEITH GILLIS STEVEN NELSEN ROBERT 10% Owner | 78,821,106 | $0 | 8,313,680 (Indirect) | View |
Ownership | 2025-01-30 9:25 pm | N/A N/A | Metsera Inc. | MTSR | ARCH Venture Partners XII LLC ARCH Venture Fund XII L.P. ARCH Venture Partners XII L.P. ARCH Venture Fund XIII L.P. ARCH Venture Partners XIII L.P. ARCH Venture Partners XIII LLC CRANDELL KEITH GILLIS STEVEN NELSEN ROBERT 10% Owner | 0 | $0 | 24,594,586 (Indirect) | View |
Ownership | 2025-01-30 4:42 pm | N/A N/A | Maze Therapeutics Inc. | MAZE | ARCH Venture Partners X LLC ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. NELSEN ROBERT CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner | 0 | $0 | 37,588,634 (Indirect) | View |
| 2024-06-13 Option Award | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 27,360 | $0 | 5,766,332 (Direct) | View |
| 2024-06-12 Exercise | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 7,777 | $0 | 5,766,332 (Direct) | View |
| 2024-06-10 Conversion | 2024-06-10 7:46 pm | N/A N/A | Rapport Therapeutics Inc. | RAPP | ARCH Venture Partners XII LLC ARCH Venture Partners XII L.P. ARCH Venture Fund XII L.P. CRANDELL KEITH NELSEN ROBERT Burow Kristina GILLIS STEVEN 10% Owner | 35,652,876 | $0 | 3,728,738 (Indirect) | View |
Ownership | 2024-06-06 7:14 pm | N/A N/A | Rapport Therapeutics Inc. | RAPP | ARCH Venture Partners XII LLC ARCH Venture Partners XII L.P. ARCH Venture Fund XII L.P. CRANDELL KEITH NELSEN ROBERT Burow Kristina GILLIS STEVEN 10% Owner | 0 | $0 | 3,728,738 (Indirect) | View |
| 2024-04-02 Conversion | 2024-04-04 4:30 pm | N/A N/A | Boundless Bio Inc. | BOLD | CRANDELL KEITH BYBEE CLINTON NELSEN ROBERT GILLIS STEVEN 10% Owner | 4,851,442 | $0 | 1,181,766 (Indirect) | View |
Ownership | 2024-03-27 7:56 pm | N/A N/A | Boundless Bio Inc. | BOLD | CRANDELL KEITH BYBEE CLINTON NELSEN ROBERT GILLIS STEVEN 10% Owner | 0 | $0 | 2,494,095 (Indirect) | View |
| 2024-02-06 Option Award | 2024-02-09 4:10 pm | N/A N/A | Twist Bioscience Corp | TWST | CRANDELL KEITH Director | 5,815 | $0 | 18,004 (Direct) | View |
| 2023-12-08 Other | 2023-12-12 7:53 pm | N/A N/A | Neumora Therapeutics Inc. | NMRA | ARCH Venture Partners XII LLC ARCH Venture Partners XII L.P. ARCH Venture Fund XII L.P. CRANDELL KEITH GILLIS STEVEN NELSEN ROBERT BYBEE CLINTON 10% Owner | 1,879,654 | $0 | 32,424,564 (Indirect) | View |
| 2023-09-19 Conversion | 2023-09-20 06:16 am | N/A N/A | Neumora Therapeutics Inc. | NMRA | ARCH Venture Partners X LLC ARCH Venture Partners XII LLC ARCH Venture Partners XII L.P. ARCH Venture Fund XII L.P. CRANDELL KEITH GILLIS STEVEN NELSEN ROBERT BYBEE CLINTON 10% Owner | 17,424,704 | $0 | 3,624,143 (Indirect) | View |
Ownership | 2023-09-14 9:29 pm | N/A N/A | Neumora Therapeutics Inc. | NMRA | ARCH Venture Partners X LLC ARCH Venture Partners XII LLC ARCH Venture Partners XII L.P. ARCH Venture Fund XII L.P. CRANDELL KEITH GILLIS STEVEN NELSEN ROBERT BYBEE CLINTON 10% Owner | 0 | $0 | 28,045,420 (Indirect) | View |
| 2023-07-28 Other | 2023-08-10 8:28 pm | N/A N/A | DA32 Life Science Tech Acquisition Corp. | DALS | CRANDELL KEITH Director 10% Owner | 1,600,000 | $0 | 2,250,000 (Indirect) | View |
| 2023-06-15 Option Award | 2023-06-16 5:52 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 19,853 | $0 | 5,751,048 (Direct) | View |
| 2023-06-14 Exercise | 2023-06-16 5:52 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 4,771 | $0 | 5,751,048 (Direct) | View |
| 2023-04-03 Option Award | 2023-04-04 6:23 pm | N/A N/A | Quanterix Corp | QTRX | CRANDELL KEITH Director | 1,170 | $11.16 | 131,236 (Direct) | View |
| 2023-02-07 Option Award | 2023-02-09 6:08 pm | N/A N/A | Twist Bioscience Corp | TWST | CRANDELL KEITH Director 10% Owner | 8,212 | $0 | 12,189 (Direct) | View |