TKNO
Alpha Teknova, Inc.
In Vitro & In Vivo Diagnostic SubstancesNasdaqNon-accelerated filer<br>Smaller reporting company<br>Emerging growth company
Total Trades
23
Buys
19
Sells
4
Largest Trade
$1M+
Insiders
11
Institutional Funds
51
Inst. Value
$1M+
Activist Filings
4
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| DEMSKI MARTHA J | Director | SELL | $15K–$50K | 8K | $5.06 | Jul 1, 2025 |
| Grossman Paul David | Director | BUY | $15K–$50K | 9K | $5.37 | Feb 27, 2024 |
| Gelhaus Ken | Chief Commercial O… | BUY | $1K–$15K | 4K | $1.73 | Dec 1, 2023 |
| Telegraph Hill Partners IV, L.P. | 10% Owner | BUY | $1M+ | 8.1M | $1.85 | Sep 22, 2023 |
| Terrill Damon | General Counsel an… | BUY | $15K–$50K | 27K | $1.85 | Sep 21, 2023 |
| MACKOWSKI J MATTHEW | Director | BUY | $1M+ | 811K | $1.85 | Sep 21, 2023 |
| Lowell Matthew | CFO | BUY | $50K–$100K | 54K | $1.85 | Sep 21, 2023 |
| Gunstream Stephen | President and CEO | BUY | $50K–$100K | 54K | $1.85 | Sep 21, 2023 |
| Hood Lisa | Chief People Officer | SELL | $15K–$50K | 11K | $3.80 | Jun 14, 2023 |
| Davis Ted | Director | BUY | $1K–$15K | 2K | $3.21 | May 31, 2023 |
| Davis Irene | Director | BUY | $1K–$15K | 2K | $3.21 | May 31, 2023 |
| Hood Lisa | Chief People Officer | SELL | $1K–$15K | 3K | $2.04 | May 17, 2023 |
| Gunstream Stephen | President and CEO | BUY | $1K–$15K | 5K | $1.67 | May 16, 2023 |
| Gelhaus Ken | Chief Commercial O… | BUY | $1K–$15K | 4K | $1.67 | May 16, 2023 |
| Hood Lisa | Chief People Officer | BUY | $1K–$15K | 3K | $1.67 | May 16, 2023 |
| Hood Lisa | Chief People Officer | SELL | $1K–$15K | 2K | $5.28 | Nov 18, 2022 |
| Hood Lisa | Chief People Officer | BUY | $15K–$50K | 3K | $6.07 | Nov 18, 2022 |
| Gunstream Stephen | President and CEO | BUY | $15K–$50K | 3K | $7.11 | Nov 18, 2022 |
| Gelhaus Ken | Chief Commercial O… | BUY | $1K–$15K | 1K | $4.23 | Nov 18, 2022 |
| Lowell Matthew | CFO | BUY | $15K–$50K | 10K | $4.61 | Sep 2, 2022 |
| MACKOWSKI J MATTHEW | Director | BUY | $15K–$50K | 10K | $4.97 | Aug 25, 2022 |
| Gunstream Stephen | President and CEO | BUY | $50K–$100K | 18K | $5.13 | Aug 15, 2022 |
| Lowell Matthew | CFO | BUY | $50K–$100K | 10K | $9.45 | May 23, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 51 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Roubaix Capital, LLC | 999K | $1M+ | SH |
| BALYASNY ASSET MANAGEMENT L.P. | 987K | $1M+ | SH |
| UBS Group AG | 731K | $1M+ | SH |
| VANGUARD GROUP INC | 514K | $1M+ | SH |
| Conestoga Capital Advisors, LLC | 317K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 294K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 249K | $500K+ | SH |
| STATE STREET CORP | 157K | $500K+ | SH |
| KESTRA PRIVATE WEALTH SERVICES, LLC | 106K | $100K–$500K | SH |
| Bank of New York Mellon Corp | 98K | $100K–$500K | SH |
| Mount Lucas Management LP | 70K | $100K–$500K | SH |
| JANE STREET GROUP, LLC | 63K | $100K–$500K | SH |
| Squarepoint Ops LLC | 61K | $100K–$500K | SH |
| Tradewinds, LLC. | 49K | $100K–$500K | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 34K | $100K–$500K | SH |
| T3 Companies, LLC | 33K | $100K–$500K | SH |
| Fielder Capital Group LLC | 25K | $50K–$100K | SH |
| GOLDMAN SACHS GROUP INC | 22K | $50K–$100K | SH |
| BARCLAYS PLC | 20K | $50K–$100K | SH |
| DEUTSCHE BANK AG\ | 14K | $50K–$100K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Telegraph Hill Partners IV, L.P.
SC 13D · Jul 19, 2024
48.1%
25.6M shares
Telegraph Hill Partners IV, L.P.
SC 13G/A · Feb 14, 2024
62.9%
25.6M shares
Telegraph Hill Partners IV, L.P.
SC 13G/A · Oct 6, 2023
62.9%
25.6M shares
Telegraph Hill Partners IV, L.P.
SC 13G · Feb 14, 2022
62.5%
17.5M shares