Alpha Teknova, Inc.
Alpha Teknova, Inc. (TKNO) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · TKNO · as of Jun 8, 2026
Activity summary
Buy transactions
2
P-Purchase only
Sell transactions
1
12 Months
Buy/Sell ratio
2.00
Buy/Sell (by trades)
Overall sentiment
Alpha Teknova, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
TKNO insider buying and selling by quarter
TKNO insider selling · TKNO insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · TKNO ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
TKNO executive sell shares · TKNO board member insider trading · TKNO insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Mar 6, 2026 | Lowell Matthew CFO | Purchase | 40,000 | $88K | Form 4 |
| Mar 6, 2026 | Gunstream Stephen President and CEO · Director | Purchase | 26,000 | $56K | Form 4 |
| Jun 27, 2025 | DEMSKI MARTHA J Director | Sale | 8,000 | $41K | Form 4 |
| Jun 17, 2025 | Vos Alexander Director | Award | 54,300 | — | Form 4 |
| Jun 17, 2025 | ROBERTSON BRETT Director | Award | 54,300 | — | Form 4 |
| Jun 17, 2025 | DEMSKI MARTHA J Director | Award | 54,300 | — | Form 4 |
| Feb 27, 2025 | ROBERTSON BRETT Director | Other | 5,000 | — | Form 4 |
| Jul 12, 2024 | Telegraph Hill Partners IV, L.P. 10 percent owner | Purchase | 11,126,929 | $13.80M⚡ | Form 4 |
| Jul 12, 2024 | Telegraph Hill Partners IV, L.P. 10 percent owner | Purchase | 969,844 | $1.20M⚡ | Form 4 |
| Jul 12, 2024 | Lowell Matthew CFO | Purchase | 40,322 | $50K | Form 4 |
| Jul 12, 2024 | Gunstream Stephen President and CEO · Director | Purchase | 80,645 | $100K | Form 4 |
| Jun 26, 2024 | Vos Alexander Director | Award | 20,000 | — | Form 4 |
| Jun 26, 2024 | ROBERTSON BRETT Director | Award | 20,000 | — | Form 4 |
| Jun 26, 2024 | DEMSKI MARTHA J Director | Award | 20,000 | — | Form 4 |
| Aug 16, 2022 | Grossman Paul David Director | Purchase | 4,386 | $25K | Form 4 |
| Aug 15, 2022 | Grossman Paul David Director | Purchase | 4,826 | $25K | Form 4 |
| Jun 2, 2023 | McNamara Robert Director | Award | 18,815 | — | Form 4 |
| Aug 31, 2023 | McNamara Robert Director | Other | 18,815 | — | Form 4 |
| Jun 2, 2023 | Vos Alexander Director | Award | 18,815 | — | Form 4 |
| Jun 2, 2023 | ROBERTSON BRETT Director | Award | 18,815 | — | Form 4 |
| Nov 30, 2023 | Gelhaus Ken Chief Commercial Officer | Purchase | 3,587 | $6K | Form 4 |
| Nov 14, 2023 | Hood Lisa CPO | Other | 15,000 | — | Form 4 |
| Sep 19, 2023 | Telegraph Hill Partners IV, L.P. 10 percent owner | Purchase | 6,917,837 | $12.80M⚡ | Form 4 |
| Sep 19, 2023 | Telegraph Hill Partners IV, L.P. 10 percent owner | Purchase | 1,190,270 | $2.20M⚡ | Form 4 |
| Sep 19, 2023 | Terrill Damon General Counsel and CCO | Purchase | 27,027 | $50K | Form 4 |
Gunstream Stephen
President and CEO · Director
Date
Mar 6
Shares
26,000
Price
$2.15
Value
$56K
Telegraph Hill Partners IV, L.P.
10 percent owner
Date
Jul 12
Shares
11,126,929
Price
$1.24
Value
$13.80M ⚡
Telegraph Hill Partners IV, L.P.
10 percent owner
Date
Jul 12
Shares
969,844
Price
$1.24
Value
$1.20M ⚡
Gunstream Stephen
President and CEO · Director
Date
Jul 12
Shares
80,645
Price
$1.24
Value
$100K
Gelhaus Ken
Chief Commercial Officer
Date
Nov 30
Shares
3,587
Price
$1.73
Value
$6K
Telegraph Hill Partners IV, L.P.
10 percent owner
Date
Sep 19
Shares
6,917,837
Price
$1.85
Value
$12.80M ⚡
Telegraph Hill Partners IV, L.P.
10 percent owner
Date
Sep 19
Shares
1,190,270
Price
$1.85
Value
$2.20M ⚡
Terrill Damon
General Counsel and CCO
Date
Sep 19
Shares
27,027
Price
$1.85
Value
$50K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About TKNO insider trading
TKNO insider trades
Alpha Teknova, Inc. (TKNO) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including DEMSKI MARTHA J (Director), Lowell Matthew (CFO), Gunstream Stephen (President and CEO · Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. TKNO insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Alpha Teknova, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
TKNO insider trading · 5 questionsThe insiders of Alpha Teknova, Inc. (TKNO) include executives and directors such as DEMSKI MARTHA J (Director), Lowell Matthew (CFO), Gunstream Stephen (President and CEO · Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026