5 insiders reported 8 Form 4 transactions for Alpha Teknova, Inc. (TKNO) over the past 18 months (most recent 2026-07-16). Recent activity: DEMSKI MARTHA J (Director) Sell 12,000 shares, DEMSKI MARTHA J (Director) Buy 12,000 shares, Lowell Matthew (Chief Financial Officer) Buy 40,000 shares, Gunstream Stephen (President and CEO) Buy 26,000 shares, DEMSKI MARTHA J (Director) Sell 8,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-16 | DEMSKI MARTHA J | Director | Sell | 12,000 | $0 |
| 2026-07-16 | DEMSKI MARTHA J | Director | Buy | 12,000 | $0 |
| 2026-03-09 | Lowell Matthew | Chief Financial Officer | Buy | 40,000 | $87,600 |
| 2026-03-09 | Gunstream Stephen | President and CEO | Buy | 26,000 | $55,900 |
| 2025-07-01 | DEMSKI MARTHA J | Director | Sell | 8,000 | $40,480 |
| 2025-06-25 | Vos Alexander | Director | Buy | 54,300 | $0 |
| 2025-06-25 | ROBERTSON BRETT | Director | Buy | 54,300 | $0 |
| 2025-06-25 | DEMSKI MARTHA J | Director | Buy | 54,300 | $0 |
Source: SEC Form 4 filings · as of 2026-07-16