SkyWater Technology, Inc. (SKYT) Insider Trading

Last 12 months

Insiders sold $13.6M and bought nothing on the open market.

71% of the selling was scheduled in advance under 10b5-1 plans. Director Loren A Unterseher sold $2.87M on Nov 24, 2025 outside a plan. No executive or director has bought shares on the open market in the last two years.

Net open-market

−$13.6M

0 buys · 8 sales

Under a 10b5-1 plan

71%

of the value sold

Insiders who bought / sold

0 / 3

executives and directors

Last open-market buy

None

in the last two years

Get an email when SKYT's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
May 11	Steve Manko CFO	Sold10b5-1 plan	75,000	$35.08	$2.63M	44%	Form 4
Apr 14	Steve Manko CFO	Sold10b5-1 plan	84,215	$30.41	$2.56M	33%	Form 4
Mar 16	Steve Manko CFO	Sold10b5-1 plan	71,693	$27.84	$2M	24%	Form 4
Mar 16	Steve Manko CFO	Sold10b5-1 plan 2 parts	91,109	$27.84 average	$2.54M	30%	Form 4
Nov 26, 2025	Oxbow Industries, LLC Large holder	SoldNo plan	100,000	$14.54	$1.45M	1.2%	Form 4
Nov 21, 2025 – Nov 24, 2025	Loren A Unterseher Director	SoldNo plan 2 parts	200,000	$14.33 average	$2.87M	2.5%	Form 4
Nov 21, 2025 – Nov 24, 2025	CMI Oxbow Partners, LLC Large holder	SoldNo plan 2 parts	200,000	$14.33 average	$2.87M	1.7%	Form 4
Nov 21, 2025	Thomas Sonderman CEO	SoldNo plan	5,210	$13.38	$70k	1.0%	Form 4
Nov 18, 2025	CMI Oxbow Partners, LLC Large holder	SoldNo plan	9,662	$16.26	$157k	0.1%	Form 4
Nov 13, 2025 – Nov 17, 2025	CMI Oxbow Partners, LLC Large holder	SoldNo plan 2 parts	14,200	$17.93 average	$255k	0.2%	Form 4
Nov 14, 2025	Steve Manko CFO	SoldNo plan	50,000	$17.40	$870k	15%	Form 4
Nov 14, 2025	Thomas Sonderman CEO	SoldNo plan	5,207	$17.00	$89k	1.0%	Form 4
Sep 26, 2025	Steve Manko CFO	Sold10b5-1 plan	60,829	$17.40	$1.06M	16%	Form 4
Sep 26, 2025	CMI Oxbow Partners, LLC Large holder	Sold10b5-1 plan	120,370	$18.02	$2.17M	1.0%	Form 4
Sep 22, 2025	Steve Manko CFO	Sold10b5-1 plan	43,383	$15.13	$656k	11%	Form 4
Sep 18, 2025 – Sep 19, 2025	CMI Oxbow Partners, LLC Large holder	Sold10b5-1 plan 3 parts	240,000	$13.58 average	$3.26M	3.3%	Form 4
Sep 18, 2025 – Sep 19, 2025	Oxbow Industries, LLC Large holder	SoldNo plan 3 parts	240,000	$13.58 average	$3.26M	2.0%	Form 4
Sep 12, 2025	Loren A Unterseher Director	SoldNo plan	188,976	$10.47	$1.98M	1.6%	Form 4
Sep 9, 2025 – Sep 11, 2025	CMI Oxbow Partners, LLC Large holder	Sold10b5-1 plan 3 parts	239,643	$10.45 average	$2.51M	1.9%	Form 4
Sep 10, 2025	Thomas Sonderman CEO	SoldNo plan	8,355	$10.58	$88k	1.5%	Form 4
Aug 29, 2025	Loren A Unterseher Director	SoldNo plan	60,767	$12.08	$734k	0.5%	Form 4
Aug 26, 2025 – Aug 28, 2025	Loren A Unterseher Director	SoldNo plan 3 parts	1,256,516	$12.12 average	$15.2M	9.2%	Form 4
Aug 21, 2025 – Aug 25, 2025	CMI Oxbow Partners, LLC Large holder	SoldNo plan 3 parts	574,091	$11.61 average	$6.67M	4.0%	Form 4
Aug 14, 2025 – Aug 18, 2025	CMI Oxbow Partners, LLC Large holder	SoldNo plan 3 parts	320,970	$11.74 average	$3.77M	2.2%	Form 4
Aug 13, 2025	Thomas Sonderman CEO	SoldNo plan	24,936	$12.24	$305k	4.4%	Form 4
Aug 12, 2025 – Aug 13, 2025	CMI Oxbow Partners, LLC Large holder	SoldNo plan 2 parts	633,219	$12.63 average	$8M	4.2%	Form 4
Aug 8, 2025	Steve Manko CFO	Sold10b5-1 plan	37,845	$13.62	$515k	9.3%	Form 4
Jun 26, 2025	Thomas Sonderman CEO	Sold10b5-1 plan	14,958	$10.04	$150k	2.6%	Form 4
Jun 12, 2025	Loren A Unterseher Director	SoldNo plan	900	$9.13	$8k	<0.1%	Form 4
Jun 9, 2025 – Jun 11, 2025	CMI Oxbow Partners, LLC Large holder	SoldNo plan 3 parts	118,121	$9.41 average	$1.11M	0.8%	Form 4
Jun 4, 2025 – Jun 6, 2025	CMI Oxbow Partners, LLC Large holder	SoldNo plan 2 parts	9,063	$9.45 average	$86k	<0.1%	Form 4
May 27, 2025 – May 29, 2025	Loren A Unterseher Director	SoldNo plan 3 parts	452,891	$9.53 average	$4.32M	2.9%	Form 4
May 22, 2025	Loren A Unterseher Director	SoldNo plan	134,049	$9.41	$1.26M	0.8%	Form 4
Mar 14, 2025	Loren A Unterseher Director	SoldNo plan 2 parts	1,434,337	$8.20 average	$11.8M	23%	Form 4
Mar 14, 2025	Gregory B Graves Director	SoldNo plan	12,844	$8.11	$104k	47%	Form 4
Mar 5, 2025 – Mar 6, 2025	CMI Oxbow Partners, LLC Large holder	SoldNo plan 2 parts	90,453	$8.51 average	$770k	0.5%	Form 4
Dec 13, 2024	Oxbow Industries, LLC Large holder	SoldNo plan	7,761	$9.27	$72k	<0.1%	Form 4
Dec 6, 2024 – Dec 10, 2024	Oxbow Industries, LLC Large holder	SoldNo plan 3 parts	205,595	$9.35 average	$1.92M	1.2%	Form 4
Nov 27, 2024	John Sakamoto President and COO	SoldNo plan	13,273	$8.11	$108k	11%	Form 4

May 1110b5-1 plan
Steve Manko
CFO · sold 75,000 at $35.08
$2.63M
44% of stake
Apr 1410b5-1 plan
Steve Manko
CFO · sold 84,215 at $30.41
$2.56M
33% of stake
Mar 1610b5-1 plan
Steve Manko
CFO · sold 71,693 at $27.84
$2M
24% of stake
Mar 1610b5-1 plan
Steve Manko
CFO · sold 91,109 at avg $27.84
$2.54M
30% of stake
Nov 26, 2025No plan
Oxbow Industries, LLC
Large holder · sold 100,000 at $14.54
$1.45M
1.2% of stake
Nov 21, 2025 – Nov 24, 2025No plan
Loren A Unterseher
Director · sold 200,000 at avg $14.33
$2.87M
2.5% of stake
Nov 21, 2025 – Nov 24, 2025No plan
CMI Oxbow Partners, LLC
Large holder · sold 200,000 at avg $14.33
$2.87M
1.7% of stake
Nov 21, 2025No plan
Thomas Sonderman
CEO · sold 5,210 at $13.38
$70k
1.0% of stake
Nov 18, 2025No plan
CMI Oxbow Partners, LLC
Large holder · sold 9,662 at $16.26
$157k
0.1% of stake
Nov 13, 2025 – Nov 17, 2025No plan
CMI Oxbow Partners, LLC
Large holder · sold 14,200 at avg $17.93
$255k
0.2% of stake
Nov 14, 2025No plan
Steve Manko
CFO · sold 50,000 at $17.40
$870k
15% of stake
Nov 14, 2025No plan
Thomas Sonderman
CEO · sold 5,207 at $17.00
$89k
1.0% of stake
Sep 26, 202510b5-1 plan
Steve Manko
CFO · sold 60,829 at $17.40
$1.06M
16% of stake
Sep 26, 202510b5-1 plan
CMI Oxbow Partners, LLC
Large holder · sold 120,370 at $18.02
$2.17M
1.0% of stake
Sep 22, 202510b5-1 plan
Steve Manko
CFO · sold 43,383 at $15.13
$656k
11% of stake
Sep 18, 2025 – Sep 19, 202510b5-1 plan
CMI Oxbow Partners, LLC
Large holder · sold 240,000 at avg $13.58
$3.26M
3.3% of stake
Sep 18, 2025 – Sep 19, 2025No plan
Oxbow Industries, LLC
Large holder · sold 240,000 at avg $13.58
$3.26M
2.0% of stake
Sep 12, 2025No plan
Loren A Unterseher
Director · sold 188,976 at $10.47
$1.98M
1.6% of stake
Sep 9, 2025 – Sep 11, 202510b5-1 plan
CMI Oxbow Partners, LLC
Large holder · sold 239,643 at avg $10.45
$2.51M
1.9% of stake
Sep 10, 2025No plan
Thomas Sonderman
CEO · sold 8,355 at $10.58
$88k
1.5% of stake
Aug 29, 2025No plan
Loren A Unterseher
Director · sold 60,767 at $12.08
$734k
0.5% of stake
Aug 26, 2025 – Aug 28, 2025No plan
Loren A Unterseher
Director · sold 1,256,516 at avg $12.12
$15.2M
9.2% of stake
Aug 21, 2025 – Aug 25, 2025No plan
CMI Oxbow Partners, LLC
Large holder · sold 574,091 at avg $11.61
$6.67M
4.0% of stake
Aug 14, 2025 – Aug 18, 2025No plan
CMI Oxbow Partners, LLC
Large holder · sold 320,970 at avg $11.74
$3.77M
2.2% of stake
Aug 13, 2025No plan
Thomas Sonderman
CEO · sold 24,936 at $12.24
$305k
4.4% of stake
Aug 12, 2025 – Aug 13, 2025No plan
CMI Oxbow Partners, LLC
Large holder · sold 633,219 at avg $12.63
$8M
4.2% of stake
Aug 8, 202510b5-1 plan
Steve Manko
CFO · sold 37,845 at $13.62
$515k
9.3% of stake
Jun 26, 202510b5-1 plan
Thomas Sonderman
CEO · sold 14,958 at $10.04
$150k
2.6% of stake
Jun 12, 2025No plan
Loren A Unterseher
Director · sold 900 at $9.13
$8k
<0.1% of stake
Jun 9, 2025 – Jun 11, 2025No plan
CMI Oxbow Partners, LLC
Large holder · sold 118,121 at avg $9.41
$1.11M
0.8% of stake
Jun 4, 2025 – Jun 6, 2025No plan
CMI Oxbow Partners, LLC
Large holder · sold 9,063 at avg $9.45
$86k
<0.1% of stake
May 27, 2025 – May 29, 2025No plan
Loren A Unterseher
Director · sold 452,891 at avg $9.53
$4.32M
2.9% of stake
May 22, 2025No plan
Loren A Unterseher
Director · sold 134,049 at $9.41
$1.26M
0.8% of stake
Mar 14, 2025No plan
Loren A Unterseher
Director · sold 1,434,337 at avg $8.20
$11.8M
23% of stake
Mar 14, 2025No plan
Gregory B Graves
Director · sold 12,844 at $8.11
$104k
47% of stake
Mar 5, 2025 – Mar 6, 2025No plan
CMI Oxbow Partners, LLC
Large holder · sold 90,453 at avg $8.51
$770k
0.5% of stake
Dec 13, 2024No plan
Oxbow Industries, LLC
Large holder · sold 7,761 at $9.27
$72k
<0.1% of stake
Dec 6, 2024 – Dec 10, 2024No plan
Oxbow Industries, LLC
Large holder · sold 205,595 at avg $9.35
$1.92M
1.2% of stake
Nov 27, 2024No plan
John Sakamoto
President and COO · sold 13,273 at $8.11
$108k
11% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch SKYT, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Spot a number that looks wrong? Check it in SKYT's SEC filings or

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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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