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 |
2022-10-24 Purchase | 2022-10-26 8:01 pm | Prime Medicine Inc. | PRME | 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. CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner | 800,000 | $17 | $13,600,000 | 6,128,297 (Indirect) | View |
2022-09-13 Purchase | 2022-09-15 6:54 pm | Codiak BioSciences Inc. | CDAK | GILLIS STEVEN Director | 5,000,000 | $0 | $0 | 12,514,153 (Indirect Direct) | View |
2021-07-30 Purchase | 2021-08-03 9:06 pm | DA32 Life Science Tech Acquisition Corp. | DALS | ARCH Venture Fund XI L.P. ARCH Venture Partners XI L.P. ARCH Venture Partners XI LLC NELSEN ROBERT Burow Kristina GILLIS STEVEN 10% Owner | 1,600,000 | $10 | $16,000,000 | 4,500,000 (Indirect Direct) | View |
2020-10-16 Purchase | 2020-10-20 8:03 pm | Codiak BioSciences Inc. | CDAK | GILLIS STEVEN Director | 235,000 | $15 | $3,525,000 | 2,503,903 (Indirect) | View |
2019-09-19 Purchase | 2019-09-23 8:48 pm | VBI VACCINES INC. | VBIV | GILLIS STEVEN Director | 10,000,000 | $0.5 | $5,000,000 | 13,110,473 (Indirect Direct) | View |
2019-02-22 Purchase | 2019-02-26 9:08 pm | Sienna Biopharmaceuticals Inc. | SNNA | ARCH Venture Partners X LLC ARCH Venture Fund X Overage L.P. ARCH Venture Partners X Overage L.P. CRANDELL KEITH NELSEN ROBERT GILLIS STEVEN 10% Owner | 2,165,800 | $2.5 | $5,414,500 | 1,865,800 (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 |
2023-02-16 Exercise | 2023-02-21 4:31 pm | N/A N/A | Codiak BioSciences Inc. | CDAK | GILLIS STEVEN Director | 8,750 | $0 | 8,750 (Direct) | View |
2023-01-26 Option Award | 2023-01-30 5:03 pm | N/A 2033-01-26 | VBI Vaccines Inc | VBIV | GILLIS STEVEN Director | 75,000 | $0 | 75,000 (Direct) | View |
2022-10-24 Conversion | 2022-10-26 8:01 pm | N/A N/A | Prime Medicine Inc. | PRME | 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. CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner | 41,344,576 | $0 | 6,128,297 (Indirect) | View |
Ownership | 2022-10-19 8:08 pm | N/A N/A | Prime Medicine Inc. | PRME | 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. CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner | 0 | $0 | 11,456,594 (Indirect) | View |
2022-06-17 Option Award | 2022-06-21 4:45 pm | N/A 2032-06-16 | Codiak BioSciences Inc. | CDAK | GILLIS STEVEN Director | 9,000 | $0 | 9,000 (Direct) | View |
2022-06-15 Option Award | 2022-06-17 4:06 pm | N/A 2032-06-15 | Homology Medicines Inc. | FIXX | GILLIS STEVEN Director | 18,000 | $0 | 18,000 (Direct) | View |
2022-02-16 Option Award | 2022-02-18 4:06 pm | N/A N/A | Codiak BioSciences Inc. | CDAK | GILLIS STEVEN Director | 8,750 | $0 | 8,750 (Direct) | View |
2022-01-27 Option Award | 2022-01-31 5:52 pm | N/A 2032-01-27 | VBI Vaccines Inc | VBIV | GILLIS STEVEN Director | 100,000 | $0 | 100,000 (Direct) | View |
2021-08-05 Other | 2021-08-09 8:31 pm | N/A N/A | DA32 Life Science Tech Acquisition Corp. | DALS | ARCH Venture Fund XI L.P. ARCH Venture Partners XI L.P. ARCH Venture Partners XI LLC NELSEN ROBERT Burow Kristina GILLIS STEVEN Member of 10% owner group 10% Owner | 701,250 | $0 | 4,465,000 (Indirect) | View |
2021-07-30 Other | 2021-08-03 9:06 pm | N/A N/A | DA32 Life Science Tech Acquisition Corp. | DALS | ARCH Venture Fund XI L.P. ARCH Venture Partners XI L.P. ARCH Venture Partners XI LLC NELSEN ROBERT Burow Kristina GILLIS STEVEN 10% Owner | 650,000 | $10 | 4,500,000 (Indirect) | View |
Ownership | 2021-07-27 9:58 pm | N/A N/A | DA32 Life Science Tech Acquisition Corp. | DALS | ARCH Venture Fund XI L.P. ARCH Venture Partners XI L.P. ARCH Venture Partners XI LLC NELSEN ROBERT Burow Kristina GILLIS STEVEN 10% Owner | 0 | $0 | 5,166,250 (Indirect) | View |
2021-07-20 Conversion | 2021-07-20 8:53 pm | N/A N/A | Erasca Inc. | ERAS | ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. NELSEN ROBERT CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner | 18,794,443 | $0 | 5,527,777 (Indirect) | View |
Ownership | 2021-07-15 9:06 pm | N/A N/A | Erasca Inc. | ERAS | ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. NELSEN ROBERT CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner | 0 | $0 | 11,055,554 (Indirect) | View |
2021-06-21 Conversion | 2021-06-23 4:29 pm | N/A N/A | Verve Therapeutics Inc. | VERV | ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. CRANDELL KEITH NELSEN ROBERT Burow Kristina GILLIS STEVEN 10% Owner | 25,739,146 | $0 | 1,254,405 (Indirect) | View |
2021-06-18 Option Award | 2021-06-22 7:10 pm | N/A 2031-06-17 | Codiak BioSciences Inc. | CDAK | GILLIS STEVEN Director | 10,000 | $0 | 10,000 (Direct) | View |
2021-06-17 Option Award | 2021-06-22 5:35 pm | N/A 2031-06-17 | Homology Medicines Inc. | FIXX | GILLIS STEVEN Director | 18,000 | $0 | 18,000 (Direct) | View |
Ownership | 2021-06-16 7:35 pm | N/A N/A | Verve Therapeutics Inc. | VERV | ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners X LLC CRANDELL KEITH NELSEN ROBERT Burow Kristina GILLIS STEVEN 10% Owner | 0 | $0 | 2,508,809 (Indirect) | View |
2021-02-08 Conversion | 2021-02-10 7:22 pm | N/A N/A | Sana Biotechnology Inc. | SANA | ARCH Venture Fund X L.P. CRANDELL KEITH BYBEE CLINTON Burow Kristina GILLIS STEVEN 10% Owner | 65,625,000 | $0 | 11,718,750 (Indirect) | View |
Ownership | 2021-02-03 9:30 pm | N/A N/A | Sana Biotechnology Inc. | SANA | ARCH Venture Fund X L.P. CRANDELL KEITH BYBEE CLINTON Burow Kristina GILLIS STEVEN 10% Owner | 0 | $0 | 44,042,500 (Indirect) | View |
2021-01-27 Option Award | 2021-01-29 6:11 pm | N/A 2031-01-27 | VBI Vaccines Inc | VBIV | GILLIS STEVEN Director | 100,000 | $0 | 100,000 (Direct) | View |
2020-10-16 Conversion | 2020-10-20 8:03 pm | N/A N/A | Codiak BioSciences Inc. | CDAK | GILLIS STEVEN Director | 19,154,940 | $0 | 2,503,903 (Indirect) | View |
2020-10-13 Option Award | 2020-10-15 8:15 pm | N/A 2030-10-12 | Codiak BioSciences Inc. | CDAK | GILLIS STEVEN Director | 10,000 | $0 | 10,000 (Direct) | View |
Ownership | 2020-10-13 9:28 pm | N/A N/A | Codiak BioSciences Inc. | CDAK | GILLIS STEVEN Director | 0 | $0 | 2,336,528 (Indirect) | View |
2020-08-28 Disposition | 2020-09-01 8:21 pm | N/A 2025-06-16 | Pulmatrix Inc. | PULM | GILLIS STEVEN Director | 55,602 | $0 | 55,602 (Direct) | View |
2020-08-28 Option Award | 2020-09-01 8:21 pm | N/A 2021-09-01 | Pulmatrix Inc. | PULM | GILLIS STEVEN Director | 55,602 | $0 | 55,602 (Direct) | View |
2020-06-10 Option Award | 2020-06-12 5:25 pm | N/A 2030-06-10 | Homology Medicines Inc. | FIXX | GILLIS STEVEN Director | 18,000 | $0 | 18,000 (Direct) | View |
2020-04-02 Option Award | 2020-04-06 12:00 pm | N/A 2030-04-02 | Pulmatrix Inc. | PULM | GILLIS STEVEN Director | 10,000 | $0 | 10,000 (Direct) | View |
2020-01-22 Option Award | 2020-01-24 5:26 pm | N/A 2030-01-22 | VBI Vaccines Inc | VBIV | GILLIS STEVEN Director | 350,000 | $0 | 350,000 (Direct) | View |
2020-01-09 Option Award | 2020-01-13 5:19 pm | N/A 2030-01-09 | Pulmatrix Inc. | PULM | GILLIS STEVEN Director | 15,000 | $0 | 15,000 (Direct) | View |
2019-06-14 Exercise | 2019-06-18 4:11 pm | N/A N/A | VBI Vaccines Inc | VBIV | GILLIS STEVEN Director | 18,750 | $0 | 3,110,473 (Direct) | View |
2019-06-06 Option Award | 2019-06-10 5:09 pm | N/A 2029-06-06 | Homology Medicines Inc. | FIXX | GILLIS STEVEN Director | 15,580 | $0 | 15,580 (Direct) | View |
2019-05-16 Option Award | 2019-05-20 4:11 pm | N/A 2029-05-16 | Pulmatrix Inc. | PULM | GILLIS STEVEN Director | 15,000 | $0 | 15,000 (Direct) | View |
2019-01-31 Option Award | 2019-02-04 5:20 pm | N/A 2029-01-31 | VBI Vaccines Inc | VBIV | GILLIS STEVEN Director | 300,000 | $0 | 300,000 (Direct) | View |
2018-06-14 Exercise | 2018-06-25 9:23 pm | N/A N/A | VBI Vaccines Inc | VBIV | GILLIS STEVEN Director | 18,750 | $0 | 3,110,473 (Direct) | View |
2018-06-05 Option Award | 2018-06-06 6:00 pm | N/A 2028-06-05 | Pulmatrix Inc. | PULM | GILLIS STEVEN Director | 124,000 | $0 | 124,000 (Direct) | View |