TKNO Alpha Teknova, Inc.
Nasdaq · SEC CIK 1850902 · EDGAR
- Bought, last 12 months
- $143.5K 2 purchases by 2 insiders
- Sold, last 12 months
- $0 0 sales by 0 insiders
- Filings on record
- 72 since 2021-08-26, latest 2026-07-16 16:53
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Lowell Matthew | CFO | $87.6K | — |
| Gunstream Stephen | Pres, CEO, Dir | $55.9K | — |
| DEMSKI MARTHA J | Dir | — | — |
Transactions 56
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-16 16:53 | 2026-07-14 | TKNO | DEMSKI MARTHA J | Dir | J - Other | $0.00 | -12.0K | 0 | -100% | $0 | |
| I | 2026-07-16 16:53 | 2026-07-14 | TKNO | DEMSKI MARTHA J | Dir | J - Other | $0.00 | +12.0K | 12.0K | New | $0 |
| D | 2026-03-09 | 2026-03-06 | TKNO | Gunstream Stephen | Pres, CEO, Dir | P - Purchase | $2.15 | +26.0K | 269.5K | +11% | +$55.9K |
| D | 2026-03-09 | 2026-03-06 | TKNO | Lowell Matthew | CFO | P - Purchase | $2.19 | +40.0K | 168.4K | +31% | +$87.6K |
| 2025-07-01 | 2025-06-27 | TKNO | DEMSKI MARTHA J | Dir | S - Sale | $5.06 | -8,000 | 12.0K | -40% | -$40.5K | |
| 2025-06-25 | 2025-06-17 | TKNO | DEMSKI MARTHA J | Dir | A - Grant | $0.00 | +54.3K | 74.3K | +272% | $0 | |
| 2025-06-25 | 2025-06-17 | TKNO | Vos Alexander | Dir | A - Grant | $0.00 | +54.3K | 102.5K | +113% | $0 | |
| 2025-06-25 | 2025-06-17 | TKNO | ROBERTSON BRETT | Dir | A - Grant | $0.00 | +54.3K | 102.5K | +113% | $0 | |
| I | 2025-02-27 | 2025-02-27 | TKNO | ROBERTSON BRETT | Dir | J - Other | $0.00 | +5,000 | 5,000 | New | $0 |
| 2024-07-16 | 2024-07-12 | TKNO | Lowell Matthew | CFO | P - Purchase | $1.24 | +40.3K | 128.4K | +46% | +$50.0K | |
| 2024-07-16 | 2024-07-12 | TKNO | Gunstream Stephen | Pres, CEO, Dir | P - Purchase | $1.24 | +80.6K | 243.5K | +50% | +$100.0K | |
| MI | 2024-07-16 | 2024-07-12 | TKNO | Telegraph Hill Partners IV, L.P. | 10% | P - Purchase | $1.24 | +12.10M | 969.8K | New | +$15.00M |
| 2024-06-27 | 2024-06-26 | TKNO | DEMSKI MARTHA J | Dir | A - Grant | $0.00 | +20.0K | 20.0K | New | $0 | |
| 2024-06-27 | 2024-06-26 | TKNO | ROBERTSON BRETT | Dir | A - Grant | $0.00 | +20.0K | 48.2K | +71% | $0 | |
| 2024-06-27 | 2024-06-26 | TKNO | Vos Alexander | Dir | A - Grant | $0.00 | +20.0K | 48.2K | +71% | $0 | |
| M | 2024-02-27 | 2022-08-15+ | TKNO | Grossman Paul David | Dir | P - Purchase | $5.37 | +9,212 | 9,212 | New | +$49.5K |
| D | 2024-02-06 | 2023-06-02 | TKNO | McNamara Robert | Dir | A - Grant | $0.00 | +18.8K | 28.2K | +201% | $0 |
| D | 2024-02-06 | 2023-08-31 | TKNO | McNamara Robert | Dir | D - Sale to Iss | $0.00 | -18.8K | 9,357 | -67% | $0 |
| 2024-02-02 | 2023-06-02 | TKNO | ROBERTSON BRETT | Dir | A - Grant | $0.00 | +18.8K | 28.2K | +201% | $0 | |
| 2024-02-02 | 2023-06-02 | TKNO | Vos Alexander | Dir | A - Grant | $0.00 | +18.8K | 28.2K | +201% | $0 | |
| 2023-12-01 | 2023-11-30 | TKNO | Gelhaus Ken | Chief Commercial Off | P - Purchase | $1.73 | +3,587 | 22.9K | +19% | +$6,206 | |
| 2023-11-15 | 2023-11-14 | TKNO | Hood Lisa | CHRO | J - Other | $0.00 | -15.0K | 18.8K | -44% | $0 | |
| 2023-09-21 | 2023-09-19 | TKNO | Gunstream Stephen | Pres, CEO, Dir | P - Purchase | $1.85 | +54.1K | 162.9K | +50% | +$100.0K | |
| 2023-09-21 | 2023-09-19 | TKNO | Terrill Damon | GC, CCO | P - Purchase | $1.85 | +27.0K | 41.0K | +193% | +$50.0K | |
| 2023-09-21 | 2023-09-19 | TKNO | Telegraph Hill Partners Management Company, LLC | 10% | P - Purchase | $1.85 | +6.92M | 21.86M | +46% | +$12.80M | |
| I | 2023-09-21 | 2023-09-19 | TKNO | Telegraph Hill Partners Management Company, LLC | 10% | P - Purchase | $1.85 | +1.19M | 3.76M | +46% | +$2.20M |
| I | 2023-09-21 | 2023-09-19 | TKNO | MACKOWSKI J MATTHEW | Dir | P - Purchase | $1.85 | +810.8K | 810.8K | New | +$1.50M |
| 2023-09-21 | 2023-09-19 | TKNO | Lowell Matthew | CFO | P - Purchase | $1.85 | +54.1K | 88.1K | +159% | +$100.0K | |
| 2023-06-14 | 2023-06-13 | TKNO | Hood Lisa | CHRO | S - Sale | $3.80 | -11.4K | 33.8K | -25% | -$43.3K | |
| MI | 2023-05-31 | 2023-05-26 | TKNO | Davis Irene | Dir, 10% | P - Purchase | $3.21 | +2,000 | 1.89M | +0.1% | +$6,430 |
| M | 2023-05-31 | 2023-05-26 | TKNO | Davis Ted | Dir, 10% | P - Purchase | $3.21 | +2,000 | 1.89M | +0.1% | +$6,430 |
| 2023-05-17 | 2023-05-17 | TKNO | Hood Lisa | CHRO | S - Sale | $2.04 | -3,119 | 45.2K | -6% | -$6,363 | |
| 2023-05-16 | 2023-05-12 | TKNO | Hood Lisa | CHRO | P - Purchase | $1.67 | +3,119 | 48.4K | +7% | +$5,209 | |
| 2023-05-16 | 2023-05-12 | TKNO | Gunstream Stephen | Pres, CEO, Dir | P - Purchase | $1.67 | +4,665 | 108.8K | +4% | +$7,791 | |
| 2023-05-16 | 2023-05-12 | TKNO | Gelhaus Ken | Chief Commercial Off | P - Purchase | $1.67 | +3,915 | 19.3K | +25% | +$6,538 | |
| D | 2023-03-01 | 2023-02-27 | TKNO | Gunstream Stephen | Pres, CEO, Dir | A - Grant | $0.00 | +43.1K | 104.1K | +71% | $0 |
| D | 2023-03-01 | 2023-02-27 | TKNO | Terrill Damon | GC, CCO | A - Grant | $0.00 | +14.0K | 14.0K | New | $0 |
| D | 2023-03-01 | 2023-02-27 | TKNO | Lowell Matthew | CFO | A - Grant | $0.00 | +14.0K | 34.0K | +70% | $0 |
| D | 2023-03-01 | 2023-02-27 | TKNO | Hood Lisa | CHRO | A - Grant | $0.00 | +14.0K | 45.2K | +45% | $0 |
| D | 2023-03-01 | 2023-02-27 | TKNO | Gelhaus Ken | Chief Commercial Off | A - Grant | $0.00 | +14.0K | 15.4K | +985% | $0 |
| DM | 2022-11-17 | 2022-05-13+ | TKNO | Gunstream Stephen | Pres, CEO, Dir | P - Purchase | $7.11 | +3,008 | 61.0K | +5% | +$21.4K |
| DM | 2022-11-17 | 2022-05-13+ | TKNO | Hood Lisa | CHRO | P - Purchase | $6.07 | +2,818 | 33.3K | +9% | +$17.1K |
| D | 2022-11-17 | 2022-11-15 | TKNO | Hood Lisa | CHRO | S - Sale | $5.28 | -2,046 | 31.2K | -6% | -$10.8K |
| D | 2022-11-17 | 2022-11-14 | TKNO | Gelhaus Ken | Chief Commercial Off | P - Purchase | $4.23 | +1,422 | 1,422 | New | +$6,015 |
| D | 2022-10-04 | 2022-09-30 | TKNO | Gunstream Stephen | Pres, CEO, Dir | M - OptEx | $0.84 | +40.0K | 58.0K | +222% | +$33.6K |
| 2022-09-02 | 2022-09-01 | TKNO | Lowell Matthew | CFO | P - Purchase | $4.61 | +10.0K | 20.0K | +100% | +$46.1K | |
| MI | 2022-08-25 | 2022-08-24 | TKNO | MACKOWSKI J MATTHEW | Dir | P - Purchase | $4.97 | +10.0K | 5,000 | New | +$49.8K |
| 2022-08-15 | 2022-08-15 | TKNO | Gunstream Stephen | Pres, CEO, Dir | P - Purchase | $5.13 | +18.0K | 18.0K | New | +$92.3K | |
| 2022-06-03 | 2022-06-02 | TKNO | McNamara Robert | Dir | A - Grant | $0.00 | +9,357 | 9,357 | New | $0 | |
| 2022-06-03 | 2022-06-02 | TKNO | Vos Alexander | Dir | A - Grant | $0.00 | +9,357 | 9,357 | New | $0 | |
| 2022-06-03 | 2022-06-02 | TKNO | ROBERTSON BRETT | Dir | A - Grant | $0.00 | +9,357 | 9,357 | New | $0 | |
| 2022-05-23 | 2022-05-20 | TKNO | Lowell Matthew | CFO | P - Purchase | $9.45 | +10.0K | 10.0K | New | +$94.5K | |
| D | 2022-02-07 | 2022-02-04 | TKNO | Hood Lisa | CHRO | M - OptEx | $1.85 | +30.5K | 30.5K | New | +$56.4K |
| 2021-09-16 | 2021-09-15 | TKNO | Davis Irene | Dir, 10% | P - Purchase | $27.08 | +1,429 | 1.89M | +0.1% | +$38.7K | |
| 2021-09-10 | 2021-09-08 | TKNO | Davis Ted | Dir, 10% | P - Purchase | $22.61 | +1,300 | 1.88M | +0.1% | +$29.4K | |
| 2021-08-26 | 2021-08-25 | TKNO | Davis Ted | Dir, 10% | P - Purchase | $19.95 | +9,090 | 1.88M | +0.5% | +$181.3K |
Purchase Sale Sale after option exercise All abbreviations