| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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President and CEO
1 company
Stephen Gunstream is President and CEO at TKNO. Stephen Gunstream's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $2.0M at current prices.
Our model assigns Stephen Gunstream a middling insider score of 50/100, based on 7 past trades. Over a 12-month horizon, 33.3% of those trades were profitable, with an average 12-month return of +0.5%.
Net of sales, the TKNO filings show accumulation of 186,372 shares.
Stephen Gunstream has 10 Form 4 filings on record from February 2022 to February 2026, all as President and CEO at Alpha Teknova (TKNO), 2022–2026.
The 14 reported transactions were 7 open-market purchases, 5 option or other derivative awards, 1 stock award and 1 option exercise.
Counted by filing, the open-market trades come to 6 purchases worth about $377K and no sales.
The largest open-market purchase was 54,054 shares of TKNO at an average $1.85 on September 19, 2023, about $100K. Twelve months later TKNO was up 180%.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 6, 2026 | TKNO Alpha Teknova, Inc. | President and CEO | Buy | 26,000 | $2.15 | $55,801.20 | +10.7% | +157.3% | - | |
| Jul 12, 2024 | TKNO Alpha Teknova, Inc. | President and CEO | Buy | 80,645 | $1.24 | $99,999.80 | +49.5% | +277.3% | +275.8% | |
| Sep 19, 2023 | TKNO Alpha Teknova, Inc. | President and CEO | Buy | 54,054 | $1.85 | $99,999.90 | +49.7% | +108.4% | +179.9% | |
| May 12, 2023 | TKNO Alpha Teknova, Inc. | President and CEO | Buy | 4,665 | $1.67 | $7,771.89 | +4.5% | +42.9% | -8.2% | |
| Nov 14, 2022 | TKNO Alpha Teknova, Inc. | President and CEO | Buy | 3,008 | $7.11 | $21,386.68 | +5.2% | +19.3% | -58.0% | |
| Aug 15, 2022 | TKNO Alpha Teknova, Inc. | President and CEO | Buy | 18,000 | $5.13 | $92,338.20 | New | -3.8% | -46.3% |