Alpha Teknova's three largest insider shareholders as of September 29, 2026 are Hill Partners Iv, L.P. Telegraph (TenPercentOwner, 21.86Mn shares), Irene Davis (Director, 1.89Mn shares), Ted Davis (Director, 1.89Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Ted Davis | Director, TenPercentOwner | 1,888,419 | 0 | 1,888,419 | 30.0% | 31 May, 2023 |
| 2 | Irene Davis | Director, TenPercentOwner | 0 | 1,888,419 | 1,888,419 | 30.0% | 31 May, 2023 |
| 3 | Hill Partners Iv, L.P. Telegraph | TenPercentOwner | 0 | 969,844 | 969,844 | 15.4% | 16 Jul, 2024 |
| 4 | J Matthew Mackowski | Director | 0 | 810,810 | 810,810 | 12.9% | 21 Sep, 2023 |
| 5 | Stephen Gunstream | President And Ceo | 269,497 | 0 | 269,497 | 4.3% | 09 Mar, 2026 |
| 6 | Matthew Lowell | Chief Financial Officer | 168,376 | 0 | 168,376 | 2.7% | 09 Mar, 2026 |
| 7 | Alexander Vos | Director | 102,472 | 0 | 102,472 | 1.6% | 25 Jun, 2025 |
| 8 | Brett Robertson | Director | 102,472 | 0 | 102,472 | 1.6% | 25 Jun, 2025 |
| 9 | Damon Terrill | General Counsel And Cco | 41,027 | 0 | 41,027 | 0.7% | 21 Sep, 2023 |
| 10 | Ken Gelhaus | Chief Commercial Officer | 22,924 | 0 | 22,924 | 0.4% | 01 Dec, 2023 |
| 11 | Lisa Hood | Chief People Officer | 18,834 | 0 | 18,834 | 0.3% | 15 Nov, 2023 |
| 12 | Martha J Demski | Director | 0 | 12,000 | 12,000 | 0.2% | 16 Jul, 2026 |
| 13 | Robert Mcnamara | Director | 9,357 | 0 | 9,357 | 0.1% | 03 Jun, 2022 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 14 Jul, 2026 | Martha J Demski | Director | Disposed J | 12,000 | $0.00 | $0 | 0 | Direct |
| 14 Jul, 2026 | Martha J Demski | Director | Acquired J | 12,000 | $0.00 | $0 | 12,000 | Indirect |
| 01 Jun, 2026 | Alexander Vos | Director | Acquired A | 55,000 | $0.00 | $0 | 55,000 | Direct |
| 01 Jun, 2026 | Brett Robertson | Director | Acquired A | 55,000 | $0.00 | $0 | 55,000 | Direct |
| 01 Jun, 2026 | Martha J Demski | Director | Acquired A | 55,000 | $0.00 | $0 | 55,000 | Direct |
| 15 Feb, 2026 | Damon Terrill | General Counsel And Cco | Acquired A | 148,000 | $0.00 | $0 | 148,000 | Direct |
| 06 Mar, 2026 | Matthew Lowell | Chief Financial Officer | Acquired P | 40,000 | $2.19 | $87.62K | 168,376 | Direct |
| 06 Mar, 2026 | Stephen Gunstream | President And Ceo | Acquired P | 26,000 | $2.15 | $55.80K | 269,497 | Direct |
| 15 Feb, 2026 | Stephen Gunstream | President And Ceo | Acquired A | 429,000 | $0.00 | $0 | 429,000 | Direct |
| 15 Feb, 2026 | Matthew Lowell | Chief Financial Officer | Acquired A | 171,000 | $0.00 | $0 | 171,000 | Direct |
| 27 Jun, 2025 | Martha J Demski | Director | Disposed S | 8,000 | $5.06 | $40.51K | 12,000 | Direct |
| 17 Jun, 2025 | Alexander Vos | Director | Acquired A | 54,300 | $0.00 | $0 | 54,300 | Direct |
| 17 Jun, 2025 | Brett Robertson | Director | Acquired A | 54,300 | $0.00 | $0 | 54,300 | Direct |
| 17 Jun, 2025 | Martha J Demski | Director | Acquired A | 54,300 | $0.00 | $0 | 54,300 | Direct |
| 17 Jun, 2025 | Brett Robertson | Director | Acquired A | 54,300 | $0.00 | $0 | 102,472 | Direct |
| 17 Jun, 2025 | Martha J Demski | Director | Acquired A | 54,300 | $0.00 | $0 | 74,300 | Direct |
| 17 Jun, 2025 | Alexander Vos | Director | Acquired A | 54,300 | $0.00 | $0 | 102,472 | Direct |
| 27 Feb, 2025 | Brett Robertson | Director | Acquired J | 5,000 | $0.00 | $0 | 5,000 | Indirect |
| 12 Jul, 2024 | Matthew Lowell | Chief Financial Officer | Acquired P | 40,322 | $1.24 | $50.00K | 128,376 | Direct |
| 12 Jul, 2024 | Stephen Gunstream | President And Ceo | Acquired P | 80,645 | $1.24 | $100.00K | 243,497 | Direct |