United States Healthcare Equipment & Supplies

Alpha Teknova Inc (TKNO)

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Alpha Teknova Inc. has seen no insider trading activity within the last ninety days. The most recent transactions occurred on March 6, 2026, when the President, CEO, and CFO acquired shares. Prior to this, various executives and institutional entities engaged in multiple purchase events throughout 2024 and 2023.
Ticker: TKNO Exchange: NMS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Alpha Teknova Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
4.0
Lowell Matthew Chief Financial Officer Officer
Transaction date
Purchase
Price
258.10
Quantity 84,416 -31.2%
Value US$4,223,065
3.9
Gunstream Stephen President and CEO Executive Director
Transaction date
Purchase
Price
135.21
Quantity 76,062 +49.3%
Value US$2,418,259
2.5
DEMSKI MARTHA J Non-Executive Director
Transaction date
Planned sale
Price
284.03
Quantity 92,916 -16.2%
Value US$3,550,510
3.9
Gunstream Stephen President and CEO Executive Director
Transaction date
Purchase
Price
1.24
Quantity 80,645 +49.5%
Value US$100,000
4.0
Lowell Matthew Chief Financial Officer Officer
Transaction date
Purchase
Price
1.24
Quantity 40,322 +45.8%
Value US$49,999
Gelhaus Ken Chief Commercial Officer Officer
Transaction date
Planned purchase
Price
1.73
Quantity 3,587 +18.5%
Value US$6,220
3.9
Gunstream Stephen President and CEO Executive Director
Transaction date
Purchase
Price
1.85
Quantity 54,054 +49.7%
Value US$100,000
3.3
Terrill Damon General Counsel and CCO Officer
Transaction date
Purchase
Price
1.85
Quantity 27,027 +193.1%
Value US$50,000
4.0
Lowell Matthew Chief Financial Officer Officer
Transaction date
Purchase
Price
1.85
Quantity 54,054 +159.0%
Value US$100,000
3.7
MACKOWSKI J MATTHEW Non-Executive Director
Transaction date
Purchase
Price
1.85
Quantity 810,810 +inf%
Value US$1,499,998
3.5
Hood Lisa Chief People Officer Officer
Transaction date
Sale
Price
3.80
Quantity 11,400 -25.2%
Value US$43,268
3.5
Hood Lisa Officer Officer
Transaction date
Proposed sale
Price
3.80
Quantity 11,400
Value US$43,268
0.6
Davis Ted Non-Executive Director Large shareholder
Transaction date
Purchase
Price
3.17
Quantity 1,000 +0.1%
Value US$3,170
0.6
Davis Ted Non-Executive Director Large shareholder
Transaction date
Purchase
Price
3.26
Quantity 1,000 +0.1%
Value US$3,260
0.6
Davis Irene Non-Executive Director Large shareholder
Transaction date
Purchase
Price
3.17
Quantity 1,000 +0.1%
Value US$3,170
0.6
Davis Irene Non-Executive Director Large shareholder
Transaction date
Purchase
Price
3.26
Quantity 1,000 +0.1%
Value US$3,260
3.5
Hood Lisa Chief People Officer Officer
Transaction date
Sale
Price
2.04
Quantity 3,119 -6.5%
Value US$6,351
3.5
Hood Lisa Chief People Officer Officer
Transaction date
Planned purchase
Price
1.67
Quantity 3,119 +6.9%
Value US$5,196
Gelhaus Ken Chief Commercial Officer Officer
Transaction date
Planned purchase
Price
1.67
Quantity 3,915 +25.4%
Value US$6,522
3.9
Gunstream Stephen President and CEO Executive Director
Transaction date
Planned purchase
Price
1.67
Quantity 4,665 +4.5%
Value US$7,772
3.5
Hood Lisa Chief People Officer Officer
Transaction date
Sale
Price
5.28
Quantity 2,046 -6.1%
Value US$10,811
3.5
Hood Lisa Chief People Officer Officer
Transaction date
Planned purchase
Price
4.23
Quantity 2,046 +6.6%
Value US$8,661
3.9
Gunstream Stephen President and CEO Executive Director
Transaction date
Planned purchase
Price
4.23
Quantity 1,716 +2.9%
Value US$7,264
Gelhaus Ken Chief Commercial Officer Officer
Transaction date
Planned purchase
Price
4.23
Quantity 1,422 +inf%
Value US$6,019
4.0
Lowell Matthew Chief Financial Officer Officer
Transaction date
Purchase
Price
4.61
Quantity 10,000 +100.0%
Value US$46,096
3.7
MACKOWSKI J MATTHEW Non-Executive Director
Transaction date
Purchase
Price
4.97
Quantity 5,000 +inf%
Value US$24,850
3.7
MACKOWSKI J MATTHEW Non-Executive Director
Transaction date
Purchase
Price
4.98
Quantity 5,000 +inf%
Value US$24,900
1.1
Grossman Paul David Non-Executive Director
Transaction date
Purchase
Price
5.62
Quantity 4,386 +90.9%
Value US$24,661
1.1
Grossman Paul David Non-Executive Director
Transaction date
Purchase
Price
5.15
Quantity 4,826 +inf%
Value US$24,843
3.9
Gunstream Stephen President and CEO Executive Director
Transaction date
Purchase
Price
5.13
Quantity 18,000 +inf%
Value US$92,338
4.0
Lowell Matthew Chief Financial Officer Officer
Transaction date
Purchase
Price
9.45
Quantity 10,000 +inf%
Value US$94,477
3.5
Hood Lisa Chief People Officer Officer
Transaction date
Planned purchase
Price
10.93
Quantity 772 +2.5%
Value US$8,439
3.9
Gunstream Stephen President and CEO Executive Director
Transaction date
Planned purchase
Price
10.93
Quantity 1,292 +inf%
Value US$14,123
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-09 2026-03-06 B Purchase
4.0
Lowell Matthew

Chief Financial Officer

Officer
84,416 -31.2%
258.10
US$4,223,065 		84,416 -31.2% 258.10 US$4,223,065
2026-03-09 2026-03-06 B Purchase
3.9
Gunstream Stephen

President and CEO

Executive Director
76,062 +49.3%
135.21
US$2,418,259 		76,062 +49.3% 135.21 US$2,418,259
2025-07-01 2025-06-27 PlS Planned sale
2.5
DEMSKI MARTHA J
Non-Executive Director
92,916 -16.2%
284.03
US$3,550,510 		92,916 -16.2% 284.03 US$3,550,510
2024-07-16 2024-07-12 B Purchase
3.9
Telegraph Hill Partners IV, L.P.
Large shareholder
969,844 +inf%
1.24
US$1,202,607 		969,844 +inf% 1.24 US$1,202,607
2024-07-16 2024-07-12 B Purchase
3.9
Telegraph Hill Partners IV, L.P.
Large shareholder
11,126,929 +inf%
1.24
US$13,797,392 		11,126,929 +inf% 1.24 US$13,797,392
2024-07-16 2024-07-12 B Purchase
3.9
Gunstream Stephen

President and CEO

Executive Director
80,645 +49.5%
1.24
US$100,000 		80,645 +49.5% 1.24 US$100,000
2024-07-16 2024-07-12 B Purchase
4.0
Lowell Matthew

Chief Financial Officer

Officer
40,322 +45.8%
1.24
US$49,999 		40,322 +45.8% 1.24 US$49,999
2023-12-01 2023-11-30 PP Planned purchase
Gelhaus Ken

Chief Commercial Officer

Officer
3,587 +18.5%
1.73
US$6,220 		3,587 +18.5% 1.73 US$6,220
2023-09-21 2023-09-19 B Purchase
3.9
Gunstream Stephen

President and CEO

Executive Director
54,054 +49.7%
1.85
US$100,000 		54,054 +49.7% 1.85 US$100,000
2023-09-21 2023-09-19 B Purchase
3.3
Terrill Damon

General Counsel and CCO

Officer
27,027 +193.1%
1.85
US$50,000 		27,027 +193.1% 1.85 US$50,000
2023-09-21 2023-09-19 B Purchase
4.0
Lowell Matthew

Chief Financial Officer

Officer
54,054 +159.0%
1.85
US$100,000 		54,054 +159.0% 1.85 US$100,000
2023-09-21 2023-09-19 B Purchase
3.9
Telegraph Hill Partners IV, L.P.
Large shareholder
1,190,270 +46.3%
1.85
US$2,202,000 		1,190,270 +46.3% 1.85 US$2,202,000
2023-09-21 2023-09-19 B Purchase
3.9
Telegraph Hill Partners IV, L.P.
Large shareholder
6,917,837 +46.3%
1.85
US$12,797,998 		6,917,837 +46.3% 1.85 US$12,797,998
2023-09-21 2023-09-19 B Purchase
3.7
MACKOWSKI J MATTHEW
Non-Executive Director
810,810 +inf%
1.85
US$1,499,998 		810,810 +inf% 1.85 US$1,499,998
2023-06-14 2023-06-13 S Sale
3.5
Hood Lisa

Chief People Officer

Officer
11,400 -25.2%
3.80
US$43,268 		11,400 -25.2% 3.80 US$43,268
2023-06-13 2023-06-13 PrS Proposed sale
3.5
Hood Lisa

Officer

Officer
11,400
3.80
US$43,268 		11,400 3.80 US$43,268
2023-05-31 2023-05-26 B Purchase
0.6
Davis Ted
Non-Executive Director Large shareholder
1,000 +0.1%
3.17
US$3,170 		1,000 +0.1% 3.17 US$3,170
2023-05-31 2023-05-26 B Purchase
0.6
Davis Ted
Non-Executive Director Large shareholder
1,000 +0.1%
3.26
US$3,260 		1,000 +0.1% 3.26 US$3,260
2023-05-31 2023-05-26 B Purchase
0.6
Davis Irene
Non-Executive Director Large shareholder
1,000 +0.1%
3.17
US$3,170 		1,000 +0.1% 3.17 US$3,170
2023-05-31 2023-05-26 B Purchase
0.6
Davis Irene
Non-Executive Director Large shareholder
1,000 +0.1%
3.26
US$3,260 		1,000 +0.1% 3.26 US$3,260
2023-05-17 2023-05-17 S Sale
3.5
Hood Lisa

Chief People Officer

Officer
3,119 -6.5%
2.04
US$6,351 		3,119 -6.5% 2.04 US$6,351
2023-05-16 2023-05-12 PP Planned purchase
3.5
Hood Lisa

Chief People Officer

Officer
3,119 +6.9%
1.67
US$5,196 		3,119 +6.9% 1.67 US$5,196
2023-05-16 2023-05-12 PP Planned purchase
Gelhaus Ken

Chief Commercial Officer

Officer
3,915 +25.4%
1.67
US$6,522 		3,915 +25.4% 1.67 US$6,522
2023-05-16 2023-05-12 PP Planned purchase
3.9
Gunstream Stephen

President and CEO

Executive Director
4,665 +4.5%
1.67
US$7,772 		4,665 +4.5% 1.67 US$7,772
2022-11-17 2022-11-15 S Sale
3.5
Hood Lisa

Chief People Officer

Officer
2,046 -6.1%
5.28
US$10,811 		2,046 -6.1% 5.28 US$10,811
2022-11-17 2022-11-14 PP Planned purchase
3.5
Hood Lisa

Chief People Officer

Officer
2,046 +6.6%
4.23
US$8,661 		2,046 +6.6% 4.23 US$8,661
2022-11-17 2022-11-14 PP Planned purchase
3.9
Gunstream Stephen

President and CEO

Executive Director
1,716 +2.9%
4.23
US$7,264 		1,716 +2.9% 4.23 US$7,264
2022-11-17 2022-11-14 PP Planned purchase
Gelhaus Ken

Chief Commercial Officer

Officer
1,422 +inf%
4.23
US$6,019 		1,422 +inf% 4.23 US$6,019
2022-09-02 2022-09-01 B Purchase
4.0
Lowell Matthew

Chief Financial Officer

Officer
10,000 +100.0%
4.61
US$46,096 		10,000 +100.0% 4.61 US$46,096
2022-08-25 2022-08-24 B Purchase
3.7
MACKOWSKI J MATTHEW
Non-Executive Director
5,000 +inf%
4.97
US$24,850 		5,000 +inf% 4.97 US$24,850
2022-08-25 2022-08-24 B Purchase
3.7
MACKOWSKI J MATTHEW
Non-Executive Director
5,000 +inf%
4.98
US$24,900 		5,000 +inf% 4.98 US$24,900
2024-02-27 2022-08-16 B Purchase
1.1
Grossman Paul David
Non-Executive Director
4,386 +90.9%
5.62
US$24,661 		4,386 +90.9% 5.62 US$24,661
2024-02-27 2022-08-15 B Purchase
1.1
Grossman Paul David
Non-Executive Director
4,826 +inf%
5.15
US$24,843 		4,826 +inf% 5.15 US$24,843
2022-08-15 2022-08-15 B Purchase
3.9
Gunstream Stephen

President and CEO

Executive Director
18,000 +inf%
5.13
US$92,338 		18,000 +inf% 5.13 US$92,338
2022-05-23 2022-05-20 B Purchase
4.0
Lowell Matthew

Chief Financial Officer

Officer
10,000 +inf%
9.45
US$94,477 		10,000 +inf% 9.45 US$94,477
2022-11-17 2022-05-13 PP Planned purchase
3.5
Hood Lisa

Chief People Officer

Officer
772 +2.5%
10.93
US$8,439 		772 +2.5% 10.93 US$8,439
2022-11-17 2022-05-13 PP Planned purchase
3.9
Gunstream Stephen

President and CEO

Executive Director
1,292 +inf%
10.93
US$14,123 		1,292 +inf% 10.93 US$14,123
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