Insider Transactions Reported by 16 Insiders of Alpha Teknova, Inc.

Symbol
TKNO on Nasdaq
Location
Hollister, CA

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.

What Changed

  • Buy value: $143,417; sell value: $40,512.
  • Net share flow: +58,000.

Why This Matters

  • This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
  • Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$102,905.

Buys

$143,417

Shares: 66,000

Insiders: 2

Sells

$40,512

Shares: 8,000

Insiders: 1

Net

+$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

Alpha Teknova, Inc. executives and other stock owners filed with the SEC include:

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

Top shareholders of Alpha Teknova, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable 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
13F
ROYCE & ASSOCIATES LP
13F
Company
class O/S missing
1,069,162
$3,089,878 31 Mar 2026
13F
BlackRock, Inc.
13F
Company
class O/S missing
716,774
$2,071,477 31 Mar 2026
13F
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
13F
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
class O/S missing
441,879
$1,277,030 31 Mar 2026
13F
UBS Group AG
13F
Company
class O/S missing
325,163
$939,721 31 Mar 2026
13F
Conestoga Capital Advisors, LLC
13F
Company
class O/S missing
317,084
$916,373 31 Mar 2026
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
class O/S missing
307,873
$889,996 31 Mar 2026
13F
BANK OF AMERICA CORP /DE/
13F
Company
class O/S missing
228,286
$659,747 31 Mar 2026
13F
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
13F
STATE STREET CORP
13F
Company
class O/S missing
155,089
$448,207 31 Mar 2026
13F
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
13F
GOLDMAN SACHS GROUP INC
13F
Company
class O/S missing
118,439
$342,289 31 Mar 2026
13F
MORGAN STANLEY
13F
Company
class O/S missing
116,990
$338,101 31 Mar 2026
13F
Bank of New York Mellon Corp
13F
Company
class O/S missing
99,969
$288,911 31 Mar 2026
13F
NORTHERN TRUST CORP
13F
Company
class O/S missing
95,978
$277,377 31 Mar 2026
13F
Divisadero Street Capital Management, LP
13F
Company
class O/S missing
78,872
$227,940 31 Mar 2026
13F
VANGUARD FIDUCIARY TRUST CO
13F
Company
class O/S missing
75,089
$217,007 31 Mar 2026
13F
Mount Lucas Management LP
13F
Company
class O/S missing
70,000
$202,300 31 Mar 2026
13F
AQR CAPITAL MANAGEMENT LLC
13F
Company
class O/S missing
66,405
$191,910 31 Mar 2026
13F
Apollo Management Holdings, L.P.
13F
Company
class O/S missing
65,036
$187,954 31 Mar 2026
13F
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
Company
class O/S missing
64,511
$186,437 31 Mar 2026
13F
JANE STREET GROUP, LLC
13F
Company
class O/S missing
61,499
$177,732 31 Mar 2026
13F
CITADEL ADVISORS LLC
13F
Company
class O/S missing
60,381
$174,501 31 Mar 2026
13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
class O/S missing
55,900
$161,551 31 Mar 2026
13F
NANO CAP NEW MILLENNIUM GROWTH FUND L P
13F
Company
class O/S missing
50,000
$144,500 31 Mar 2026
13F
MARSHALL WACE, LLP
13F
Company
class O/S missing
45,167
$130,532 31 Mar 2026
13F
DEUTSCHE BANK AG\
13F
Company
class O/S missing
35,697
$103,164 31 Mar 2026
13F
Cerity Partners LLC
13F
Company
class O/S missing
25,844
$74,690 31 Mar 2026
13F
Fielder Capital Group LLC
13F
Company
class O/S missing
25,216
$72,874 31 Mar 2026
13F
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
13F
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
13F
R Squared Ltd
13F
Company
class O/S missing
14,376
$41,547 31 Mar 2026
13F
Nuveen, LLC
13F
Company
class O/S missing
14,158
$40,917 31 Mar 2026
13F
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
13F
RHUMBLINE ADVISERS
13F
Company
class O/S missing
12,274
$35,465 31 Mar 2026
13F
Vanguard Personalized Indexing Management, LLC
13F
Company
class O/S missing
12,081
$34,914 31 Mar 2026
13F
FMR LLC
13F
Company
class O/S missing
11,664
$33,709 31 Mar 2026
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
class O/S missing
11,613
$33,080 31 Mar 2026
13F

Recent Insider Transactions by Companies or Individuals for Alpha Teknova, Inc.

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
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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