Quick Takeaways
- TKNO - Alpha Teknova, Inc. has 16 insiders with reported activity on this page.
- Net insider value flow over the last year: +$102,905.
- Recent transaction rows are available for direct filing-level review.
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Net insider flow leans to buying over the last 12 months. Net value: +$102,905.
$143,417
Shares: 66,000
Insiders: 2
$40,512
Shares: 8,000
Insiders: 1
+$102,905
Shares: +58,000
Insiders: 1
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 66,000 | 0 | $143,417 | $0 | +$143,417 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 8,000 | $0 | $40,512 | -$40,512 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Telegraph Hill Partners IV, L.P. | 10%+ Owner | $28,308,585 | Mixed | 12 Jul 2024 | ||
| Irene Davis | Director, 10%+ Owner | $6,200,020 | Mixed | 26 May 2023 | ||
| Ted Davis | Director, 10%+ Owner | $6,200,020 | Mixed | 26 May 2023 | ||
| Matthew J. Mackowski | Director | $1,423,285 | Mixed | 19 Sep 2023 | ||
| Brett Robertson | Director | $635,159 | Mixed | 17 Jun 2025 | ||
| Alexander Vos | Director | $605,609 | Mixed | 17 Jun 2025 | ||
| Stephen Gunstream | President and CEO, Director | $578,394 | +$55,801 | +11% | Filing P/S | 15 Feb 2026 |
| Matthew Lowell | Chief Financial Officer | $368,810 | +$87,616 | +31% | Filing P/S | 15 Feb 2026 |
| Martha J. Demski | Director | $60,768 | -$40,512 | -40% | Filing P/S | 27 Jun 2025 |
| Paul David Grossman | Director | $51,795 | Filing P/S | 15 Aug 2022 | ||
| Ken Gelhaus | Chief Commercial Officer | $39,750 | Filing P/S | 30 Nov 2023 | ||
| Lisa Hood | Chief People Officer | $32,658 | Mixed | 14 Nov 2023 | ||
| Robert McNamara | Director | $16,225 | Mixed | 02 Jun 2023 | ||
| Neal Goodwin | Chief Scientific Officer | Mixed | 24 Jun 2021 | |||
| Alexander C. Herzick | Director | Mixed | 24 Jun 2021 | |||
| Damon A. Terrill | General Counsel and CCO | Mixed | 15 Feb 2026 |
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Telegraph Hill Partners IV, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
22,829,504
|
$28,308,585 | — | 12 Jul 2024 | |
| Irene Davis |
3/4/5
|
Director, 10%+ Owner |
—
class O/S missing
|
3,575,559
|
$6,200,020 | — | 26 May 2023 | |
| Ted Davis |
3/4/5
|
Director, 10%+ Owner |
—
class O/S missing
|
3,575,559
|
$6,200,020 | — | 26 May 2023 | |
| Roubaix Capital, LLC |
13F
|
Company |
—
class O/S missing
|
1,882,355
|
$5,440,006 | — | 31 Mar 2026 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
—
class O/S missing
|
1,069,162
|
$3,089,878 | — | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
|
Company |
—
class O/S missing
|
716,774
|
$2,071,477 | — | 31 Mar 2026 | |
| Matthew J. Mackowski |
3/4/5
|
Director |
—
class O/S missing
|
820,810
|
$1,423,285 | — | 19 Sep 2023 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
—
class O/S missing
|
447,138
|
$1,292,229 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
|
Company |
—
class O/S missing
|
441,879
|
$1,277,030 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
—
class O/S missing
|
325,163
|
$939,721 | — | 31 Mar 2026 | |
| Conestoga Capital Advisors, LLC |
13F
|
Company |
—
class O/S missing
|
317,084
|
$916,373 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
—
class O/S missing
|
307,873
|
$889,996 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
—
class O/S missing
|
228,286
|
$659,747 | — | 31 Mar 2026 | |
| Brett Robertson |
3/4/5
|
Director |
—
mixed-class rows
|
161,772
mixed-class rows
|
$635,159 | — | 17 Jun 2025 | |
| Alexander Vos |
3/4/5
|
Director |
—
mixed-class rows
|
156,772
mixed-class rows
|
$605,609 | — | 17 Jun 2025 | |
| Stephen Gunstream |
3/4/5
|
President and CEO, Director |
—
mixed-class rows
|
698,497
mixed-class rows
|
$578,394 | +$55,801 | 15 Feb 2026 | |
| Massar Capital Management, LP |
13F
|
Company |
—
class O/S missing
|
200,000
|
$578,000 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
—
class O/S missing
|
155,089
|
$448,207 | — | 31 Mar 2026 | |
| Matthew Lowell |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
339,376
mixed-class rows
|
$368,810 | +$87,616 | 15 Feb 2026 | |
| Squarepoint Ops LLC |
13F
|
Company |
—
class O/S missing
|
124,360
|
$359,400 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
—
class O/S missing
|
118,439
|
$342,289 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
—
class O/S missing
|
116,990
|
$338,101 | — | 31 Mar 2026 | |
| Bank of New York Mellon Corp |
13F
|
Company |
—
class O/S missing
|
99,969
|
$288,911 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
—
class O/S missing
|
95,978
|
$277,377 | — | 31 Mar 2026 | |
| Divisadero Street Capital Management, LP |
13F
|
Company |
—
class O/S missing
|
78,872
|
$227,940 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
—
class O/S missing
|
75,089
|
$217,007 | — | 31 Mar 2026 | |
| Mount Lucas Management LP |
13F
|
Company |
—
class O/S missing
|
70,000
|
$202,300 | — | 31 Mar 2026 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
—
class O/S missing
|
66,405
|
$191,910 | — | 31 Mar 2026 | |
| Apollo Management Holdings, L.P. |
13F
|
Company |
—
class O/S missing
|
65,036
|
$187,954 | — | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
|
Company |
—
class O/S missing
|
64,511
|
$186,437 | — | 31 Mar 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
—
class O/S missing
|
61,499
|
$177,732 | — | 31 Mar 2026 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
—
class O/S missing
|
60,381
|
$174,501 | — | 31 Mar 2026 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
—
class O/S missing
|
55,900
|
$161,551 | — | 31 Mar 2026 | |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P |
13F
|
Company |
—
class O/S missing
|
50,000
|
$144,500 | — | 31 Mar 2026 | |
| MARSHALL WACE, LLP |
13F
|
Company |
—
class O/S missing
|
45,167
|
$130,532 | — | 31 Mar 2026 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
—
class O/S missing
|
35,697
|
$103,164 | — | 31 Mar 2026 | |
| Cerity Partners LLC |
13F
|
Company |
—
class O/S missing
|
25,844
|
$74,690 | — | 31 Mar 2026 | |
| Fielder Capital Group LLC |
13F
|
Company |
—
class O/S missing
|
25,216
|
$72,874 | — | 31 Mar 2026 | |
| Martha J. Demski |
3/4/5
|
Director |
—
mixed-class rows
|
66,300
mixed-class rows
|
$60,768 | -$40,512 | 27 Jun 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
—
class O/S missing
|
19,117
|
$55,248 | — | 31 Mar 2026 | |
| Paul David Grossman |
3/4/5
|
Director |
—
class O/S missing
|
9,212
|
$51,795 | — | 15 Aug 2022 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
—
class O/S missing
|
15,747
|
$45,509 | — | 31 Mar 2026 | |
| R Squared Ltd |
13F
|
Company |
—
class O/S missing
|
14,376
|
$41,547 | — | 31 Mar 2026 | |
| Nuveen, LLC |
13F
|
Company |
—
class O/S missing
|
14,158
|
$40,917 | — | 31 Mar 2026 | |
| Ken Gelhaus |
3/4/5
|
Chief Commercial Officer |
—
class O/S missing
|
22,924
|
$39,750 | — | 30 Nov 2023 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
—
class O/S missing
|
12,500
|
$36,125 | — | 31 Mar 2026 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
—
class O/S missing
|
12,274
|
$35,465 | — | 31 Mar 2026 | |
| Vanguard Personalized Indexing Management, LLC |
13F
|
Company |
—
class O/S missing
|
12,081
|
$34,914 | — | 31 Mar 2026 | |
| FMR LLC |
13F
|
Company |
—
class O/S missing
|
11,664
|
$33,709 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
—
class O/S missing
|
11,613
|
$33,080 | — | 31 Mar 2026 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Matthew Lowell | TKNO | Common Stock | Purchase | 31.2% | $87,616 | $2.19 | 40,000 | 168,376 | 06 Mar 2026 | Direct |
| Stephen Gunstream | TKNO | Common Stock | Purchase | 10.7% | $55,801 | $2.15 | 26,000 | 269,497 | 06 Mar 2026 | Direct |
| Damon A. Terrill | TKNO | Non-Qualified Stock Option (right to buy) | Award | 148,000 | 148,000 | 15 Feb 2026 | Direct | |||
| Matthew Lowell | TKNO | Non-Qualified Stock Option (right to buy) | Award | 171,000 | 171,000 | 15 Feb 2026 | Direct | |||
| Stephen Gunstream | TKNO | Non-Qualified Stock Option (right to buy) | Award | 429,000 | 429,000 | 15 Feb 2026 | Direct | |||
| Martha J. Demski | TKNO | Common Stock | Sale | -40% | $40,512 | $5.06 | -8,000 | 12,000 | 27 Jun 2025 | Direct |
| Alexander Vos | TKNO | Non-Qualified Stock Option (right to buy) | Award | 54,300 | 54,300 | 17 Jun 2025 | Direct | |||
| Brett Robertson | TKNO | Non-Qualified Stock Option (right to buy) | Award | 54,300 | 54,300 | 17 Jun 2025 | Direct | |||
| Martha J. Demski | TKNO | Non-Qualified Stock Option (right to buy) | Award | 54,300 | 54,300 | 17 Jun 2025 | Direct | |||
| Martha J. Demski | TKNO | Common Stock | Award | 271.5% | 54,300 | 74,300 | 17 Jun 2025 | Direct |