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 |
2025-06-27 Sale | 2025-07-01 4:59 pm | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 8,000 | $5.064 | $40,512 | 12,000 (Direct) | View |
2024-07-12 Purchase | 2024-07-16 9:13 pm | Alpha Teknova Inc. | TKNO | Telegraph Hill Partners IV L.P. THP IV Affiliates Fund LLC Telegraph Hill Partners IV Investment Management LLC Telegraph Hill Partners Management Company LLC 10% Owner | 12,096,773 | $1.24 | $14,999,999 | 26,590,636 (Indirect Direct) | View |
2024-07-12 Purchase | 2024-07-16 5:15 pm | Alpha Teknova Inc. | TKNO | Lowell Matthew Chief Financial Officer | 40,322 | $1.24 | $49,999 | 128,376 (Direct) | View |
2024-07-12 Purchase | 2024-07-16 5:15 pm | Alpha Teknova Inc. | TKNO | Gunstream Stephen President and CEO | 80,645 | $1.24 | $100,000 | 243,497 (Direct) | View |
2022-08-15 Purchase | 2024-02-27 4:21 pm | Alpha Teknova Inc. | TKNO | Grossman Paul David Director | 9,212 | $5.3739 | $49,504 | 9,212 (Direct) | View |
2023-08-31 Sale | 2024-02-06 4:38 pm | Alpha Teknova Inc. | TKNO | McNamara Robert Director | 18,815 | $0 | $0 | 41,316 (Direct) | View |
2023-11-30 Purchase | 2023-12-01 5:44 pm | Alpha Teknova Inc. | TKNO | Gelhaus Ken Chief Commercial Officer | 3,587 | $1.734 | $6,220 | 22,924 (Direct) | View |
2023-09-19 Purchase | 2023-09-21 8:58 pm | Alpha Teknova Inc. | TKNO | Telegraph Hill Partners IV L.P. THP IV Affiliates Fund LLC Telegraph Hill Partners IV Investment Management LLC Telegraph Hill Partners Management Company LLC 10% Owner | 8,108,107 | $1.85 | $14,999,998 | 25,620,792 (Indirect Direct) | View |
2023-09-19 Purchase | 2023-09-21 5:04 pm | Alpha Teknova Inc. | TKNO | Terrill Damon General Counsel and CCO | 27,027 | $1.85 | $50,000 | 41,027 (Direct) | View |
2023-09-19 Purchase | 2023-09-21 5:04 pm | Alpha Teknova Inc. | TKNO | MACKOWSKI J MATTHEW Director | 810,810 | $1.85 | $1,499,999 | 820,810 (Indirect) | View |
2023-09-19 Purchase | 2023-09-21 5:03 pm | Alpha Teknova Inc. | TKNO | Lowell Matthew Chief Financial Officer | 54,054 | $1.85 | $100,000 | 88,054 (Direct) | View |
2023-09-19 Purchase | 2023-09-21 5:03 pm | Alpha Teknova Inc. | TKNO | Gunstream Stephen President and CEO | 54,054 | $1.85 | $100,000 | 162,852 (Direct) | View |
2023-06-13 Sale | 2023-06-14 4:55 pm | Alpha Teknova Inc. | TKNO | Hood Lisa Chief People Officer | 11,400 | $3.7954 | $43,268 | 33,834 (Direct) | View |
2023-05-26 Purchase | 2023-05-31 5:16 pm | Alpha Teknova Inc. | TKNO | Davis Ted Director 10% Owner | 2,000 | $3.215 | $6,430 | 3,575,559 (Indirect Direct) | View |
2023-05-26 Purchase | 2023-05-31 5:16 pm | Alpha Teknova Inc. | TKNO | Davis Irene Director 10% Owner | 2,000 | $3.215 | $6,430 | 3,575,559 (Indirect Direct) | View |
2023-05-17 Sale | 2023-05-17 6:17 pm | Alpha Teknova Inc. | TKNO | Hood Lisa Chief People Officer | 3,119 | $2.0362 | $6,351 | 45,234 (Direct) | View |
2023-05-12 Purchase | 2023-05-16 7:07 pm | Alpha Teknova Inc. | TKNO | Gunstream Stephen President and CEO | 4,665 | $1.666 | $7,772 | 108,798 (Direct) | View |
2023-05-12 Purchase | 2023-05-16 7:07 pm | Alpha Teknova Inc. | TKNO | Gelhaus Ken Chief Commercial Officer | 3,915 | $1.666 | $6,522 | 19,337 (Direct) | View |
2023-05-12 Purchase | 2023-05-16 7:07 pm | Alpha Teknova Inc. | TKNO | Hood Lisa Chief People Officer | 3,119 | $1.666 | $5,196 | 48,353 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-06-17 Option Award(A) | 2025-07-01 4:29 pm | N/A 2026-06-17 | Alpha Teknova Inc. | TKNO | Vos Alexander Director | 54,300 | $0 | 54,300 (Direct) | View |
2025-06-17 Option Award(A) | 2025-07-01 4:29 pm | N/A 2026-06-17 | Alpha Teknova Inc. | TKNO | ROBERTSON BRETT Director | 54,300 | $0 | 54,300 (Direct) | View |
2025-06-17 Option Award(A) | 2025-07-01 4:28 pm | N/A 2026-06-17 | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 54,300 | $0 | 54,300 (Direct) | View |
2025-06-17 Option Award | 2025-06-25 4:25 pm | N/A N/A | Alpha Teknova Inc. | TKNO | Vos Alexander Director | 54,300 | $0 | 102,472 (Direct) | View |
2025-02-14 Option Award | 2025-06-25 4:24 pm | N/A 2035-02-14 | Alpha Teknova Inc. | TKNO | Terrill Damon General Counsel and CCO | 137,808 | $0 | 137,808 (Direct) | View |
2025-06-17 Option Award | 2025-06-25 4:24 pm | N/A N/A | Alpha Teknova Inc. | TKNO | ROBERTSON BRETT Director | 54,300 | $0 | 107,472 (Direct) | View |
2025-02-14 Option Award | 2025-06-25 4:24 pm | N/A 2035-02-14 | Alpha Teknova Inc. | TKNO | Lowell Matthew Chief Financial Officer | 169,857 | $0 | 169,857 (Direct) | View |
2025-02-14 Option Award | 2025-06-25 4:23 pm | N/A 2035-02-14 | Alpha Teknova Inc. | TKNO | Gunstream Stephen President and CEO | 393,663 | $0 | 393,663 (Direct) | View |
2025-06-17 Option Award | 2025-06-25 4:23 pm | N/A N/A | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 54,300 | $0 | 74,300 (Direct) | View |
2025-02-27 Other | 2025-02-27 5:56 pm | N/A N/A | Alpha Teknova Inc. | TKNO | ROBERTSON BRETT Director | 5,000 | $0 | 58,172 (Indirect) | View |
2024-06-26 Option Award | 2024-06-27 5:22 pm | N/A N/A | Alpha Teknova Inc. | TKNO | Vos Alexander Director | 20,000 | $0 | 48,172 (Direct) | View |
2024-06-26 Option Award | 2024-06-27 5:22 pm | N/A N/A | Alpha Teknova Inc. | TKNO | ROBERTSON BRETT Director | 20,000 | $0 | 48,172 (Direct) | View |
2024-06-26 Option Award | 2024-06-27 5:22 pm | N/A N/A | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 20,000 | $0 | 20,000 (Direct) | View |
2023-06-02 Option Award | 2024-02-06 4:38 pm | N/A N/A | Alpha Teknova Inc. | TKNO | McNamara Robert Director | 18,815 | $0 | 41,316 (Direct) | View |
2023-06-02 Option Award | 2024-02-02 5:02 pm | N/A N/A | Alpha Teknova Inc. | TKNO | Vos Alexander Director | 18,815 | $0 | 28,172 (Direct) | View |
2023-06-02 Option Award | 2024-02-02 5:01 pm | N/A N/A | Alpha Teknova Inc. | TKNO | ROBERTSON BRETT Director | 18,815 | $0 | 28,172 (Direct) | View |
2023-11-14 Other | 2023-11-15 4:53 pm | N/A N/A | Alpha Teknova Inc. | TKNO | Hood Lisa Chief People Officer | 15,000 | $0 | 33,834 (Direct) | View |
2023-08-31 Option Award | 2023-09-05 5:51 pm | N/A 2033-08-31 | Alpha Teknova Inc. | TKNO | DEMSKI MARTHA J Director | 56,683 | $0 | 56,683 (Direct) | View |
2023-02-27 Option Award | 2023-03-01 7:01 pm | N/A 2033-02-27 | Alpha Teknova Inc. | TKNO | Terrill Damon General Counsel and CCO | 42,000 | $0 | 42,000 (Direct) | View |
2023-02-27 Option Award | 2023-03-01 7:00 pm | N/A 2033-02-27 | Alpha Teknova Inc. | TKNO | Lowell Matthew Chief Financial Officer | 42,000 | $0 | 62,000 (Direct) | View |
2023-02-27 Option Award | 2023-03-01 7:00 pm | N/A 2033-02-27 | Alpha Teknova Inc. | TKNO | Hood Lisa Chief People Officer | 42,000 | $0 | 73,234 (Direct) | View |