Alpha Teknova, Inc.
TKNO- Exchange
- Nasdaq
- Industry
- In Vitro & In Vivo Diagnostic Substances
- SEC CIK
- 0001850902
No open-market purchases or sales by Alpha Teknova, Inc. insiders were filed in the last 90 days; 79 institutions reported holding it in 13F filings for Q2 2026, worth $51.7M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Alpha Teknova, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Alpha Teknova, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Demski Martha J | Director | 12,000Indirect | Jul 16, 2026 | 2 |
| Robertson Brett | Director | 5,000Indirect | Jun 2, 2026 | 1 |
| Vos Alexander | Director | 48,172 | Jun 2, 2026 | 1 |
| Terrill Damon | General Counsel and CCO | 41,027 | Mar 9, 2026 | 1 |
| Lowell Matthew | Chief Financial Officer | 168,376 | Mar 9, 2026 | 1 |
| Gunstream Stephen | President and CEO | 269,497 | Mar 9, 2026 | 1 |
| Telegraph Hill Partners Management Company, LLC | 10% Owner | 969,844Indirect | Jul 16, 2024 | 0 |
| Telegraph Hill Partners IV, L.P. | 10% Owner | 969,844Indirect | Jul 16, 2024 | 0 |
| THP IV Affiliates Fund, LLC | 10% Owner | 969,844Indirect | Jul 16, 2024 | 0 |
| Telegraph Hill Partners IV Investment Management LLC | 10% Owner | 969,844Indirect | Jul 16, 2024 | 0 |
| Grossman Paul David | Director | 9,212 | Feb 27, 2024 | 0 |
| McNamara Robert | Director | 9,357 | Feb 6, 2024 | 0 |
| Gelhaus Ken | Chief Commercial Officer | 22,924 | Dec 1, 2023 | 0 |
| Hood Lisa | Chief People Officer | 18,834 | Nov 15, 2023 | 0 |
| Mackowski J Matthew | Director | 810,810Indirect | Sep 21, 2023 | 0 |
| Davis Irene | Director, 10% Owner | 1,888,419Indirect | May 31, 2023 | 0 |
| Davis Ted | Director, 10% Owner | 1,888,419 | May 31, 2023 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 9, 2026 (view filing) | Mar 6 | 3 days | Gunstream StephenPresident and CEO | PPurchase | +26.0K | $2.15 | +$55.9K | +10.7%269.5K after | |
| Mar 9, 2026 (view filing) | Mar 6 | 3 days | Lowell MatthewChief Financial Officer | PPurchase | +40.0K | $2.19 | +$87.6K | +31.2%168.4K after | |
| Jul 1, 2025 (view filing) | Jun 27 | 4 days | Demski Martha JDirector | SSale | −8.00K | $5.06 | −$40.5K | −40.0%12.0K after | 10b5-1 |
| Jul 16, 2024 (view filing)9:13 PM ET | Jul 12 | 4 days | Telegraph Hill Partners Management Company, LLC and 3 others10% Owner | PPurchase | +12.1M | $1.24 | +$15.0M | New position969.8K after | 2 lots |
| Jul 16, 2024 (view filing) | Jul 12 | 4 days | Lowell MatthewChief Financial Officer | PPurchase | +40.3K | $1.24 | +$50.0K | +45.8%128.4K after | |
| Jul 16, 2024 (view filing) | Jul 12 | 4 days | Gunstream StephenPresident and CEO | PPurchase | +80.6K | $1.24 | +$100.0K | +49.5%243.5K after | |
| Feb 27, 2024 (view filing) | Aug 15-16, 2022 | 561 daysLate | Grossman Paul DavidDirector | PPurchase | +9.21K | $5.37 | +$49.5K | New position9.21K after | 2 lots |
| Dec 1, 2023 (view filing) | Nov 30 | 1 day | Gelhaus KenChief Commercial Officer | PPurchase | +3.59K | $1.73 | +$6.21K | +18.5%22.9K after | |
| Sep 21, 2023 (view filing)8:58 PM ET | Sep 19 | 2 days | Telegraph Hill Partners Management Company, LLC and 3 others10% Owner | PPurchase | +6.92M | $1.85 | +$12.8M | +46.3%21.9M after | |
| Sep 21, 2023 (view filing)8:58 PM ET | Sep 19 | 2 days | Telegraph Hill Partners Management Company, LLC and 3 others10% Owner | PPurchase | +1.19M | $1.85 | +$2.20M | +46.3%3.76M after | |
| Sep 21, 2023 (view filing) | Sep 19 | 2 days | Terrill DamonGeneral Counsel and CCO | PPurchase | +27.0K | $1.85 | +$50.0K | +193.1%41.0K after | |
| Sep 21, 2023 (view filing) | Sep 19 | 2 days | Mackowski J MatthewDirector | PPurchase | +810.8K | $1.85 | +$1.50M | New position810.8K after | |
| Sep 21, 2023 (view filing) | Sep 19 | 2 days | Lowell MatthewChief Financial Officer | PPurchase | +54.1K | $1.85 | +$100.0K | +159.0%88.1K after | |
| Sep 21, 2023 (view filing) | Sep 19 | 2 days | Gunstream StephenPresident and CEO | PPurchase | +54.1K | $1.85 | +$100.0K | +49.7%162.9K after | |
| Jun 14, 2023 (view filing) | Jun 13 | 1 day | Hood LisaChief People Officer | SSale | −11.4K | $3.80 | −$43.3K | −25.2%33.8K after | |
| May 31, 2023 (view filing) | May 26 | 5 days | Davis TedDirector, 10% Owner | PPurchase | +2.00K | $3.22 | +$6.43K | +0.1%1.89M after | 2 lotsDuplicate filing |
| May 31, 2023 (view filing) | May 26 | 5 days | Davis IreneDirector, 10% Owner | PPurchase | +2.00K | $3.22 | +$6.43K | +0.1%1.89M after | 2 lots |
| May 17, 2023 (view filing) | May 17 | Same day | Hood LisaChief People Officer | SSale | −3.12K | $2.04 | −$6.36K | −6.5%45.2K after | |
| May 16, 2023 (view filing) | May 12 | 4 days | Gunstream StephenPresident and CEO | PPurchase | +4.67K | $1.67 | +$7.79K | +4.5%108.8K after | |
| May 16, 2023 (view filing) | May 12 | 4 days | Gelhaus KenChief Commercial Officer | PPurchase | +3.92K | $1.67 | +$6.54K | +25.4%19.3K after | |
| May 16, 2023 (view filing) | May 12 | 4 days | Hood LisaChief People Officer | PPurchase | +3.12K | $1.67 | +$5.21K | +6.9%48.4K after | |
| Nov 17, 2022 (view filing) | May 13-Nov 14 | 188 daysLate | Hood LisaChief People Officer | PPurchase | +2.82K | $6.07 | +$17.1K | +9.3%33.3K after | 2 lots |
| Nov 17, 2022 (view filing) | Nov 15 | 2 days | Hood LisaChief People Officer | SSale | −2.05K | $5.28 | −$10.8K | −6.1%31.2K after | |
| Nov 17, 2022 (view filing) | May 13-Nov 14 | 188 daysLate | Gunstream StephenPresident and CEO | PPurchase | +3.01K | $7.11 | +$21.4K | +5.2%61.0K after | 2 lots |
| Nov 17, 2022 (view filing) | Nov 14 | 3 daysLate | Gelhaus KenChief Commercial Officer | PPurchase | +1.42K | $4.23 | +$6.02K | New position1.42K after | |
| Sep 2, 2022 (view filing) | Sep 1 | 1 day | Lowell MatthewChief Financial Officer | PPurchase | +10.0K | $4.61 | +$46.1K | +100.0%20.0K after | |
| Aug 25, 2022 (view filing) | Aug 24 | 1 day | Mackowski J MatthewDirector | PPurchase | +10.0K | $4.98 | +$49.8K | New position5.00K after | 2 lots |
| Aug 15, 2022 (view filing) | Aug 15 | Same day | Gunstream StephenPresident and CEO | PPurchase | +18.0K | $5.13 | +$92.3K | New position18.0K after | |
| May 23, 2022 (view filing) | May 20 | 3 days | Lowell MatthewChief Financial Officer | PPurchase | +10.0K | $9.45 | +$94.5K | New position10.0K after | |
| Sep 16, 2021 (view filing)4:53 PM ET | Sep 15 | 1 day | Davis Irene and 1 otherDirector, 10% Owner | PPurchase | +1.43K | $27.08 | +$38.7K | +0.1%1.89M after | |
| Sep 10, 2021 (view filing)8:25 PM ET | Sep 8 | 2 days | Davis Irene and 1 otherDirector, 10% Owner | PPurchase | +1.30K | $22.61 | +$29.4K | +0.1%1.88M after | |
| Aug 26, 2021 (view filing)4:45 PM ET | Aug 25 | 1 day | Davis Irene and 1 otherDirector, 10% Owner | PPurchase | +9.09K | $19.95 | +$181.3K | +0.5%1.88M after |