Key facts
- SKYT - SkyWater Technology, Inc has 25 insiders with reported activity on this page.
- Net insider value flow over the last year: -$65,556,124.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 25 Insiders of SkyWater Technology, Inc
- Symbol
- SKYT on Nasdaq
- Location
- Bloomington, MN
Change
- Buy value: ; sell value: $65,556,124.
- Net share flow: -5,021,020.
Research use
- 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.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$65,556,124.
Buys
$0
Shares: 0
Insiders: 0
Sells
$65,556,124
Shares: 5,021,020
Insiders: 3
Net
-$65,556,124
Shares: -5,021,020
Insiders: -3
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 230,908 | $0 | $7,187,354 | -$7,187,354 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 1,846,602 | $0 | $24,316,616 | -$24,316,616 |
| 9-12 | 0 | 2,943,510 | $0 | $34,052,155 | -$34,052,155 |
SkyWater Technology, Inc executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| CMI Oxbow Partners, LLC | Director, 10%+ Owner | $177,659,021 | Mixed | 15 Sep 2022 | ||
| Loren A. Unterseher | Director, 10%+ Owner | $128,113,291 | -$54,566,534 | -30% | Mixed | 26 Nov 2025 |
| DDK Developments, L.L.C. | 10%+ Owner | $36,270,674 | Mixed | 01 Aug 2023 | ||
| Bart L. Zibrowski | 10%+ Owner | $36,270,674 | Mixed | 01 Aug 2023 | ||
| Thomas Sonderman | CEO, Director | $17,056,512 | -$702,090 | -4% | Mixed | 16 Mar 2026 |
| John Sakamoto | President and COO | $4,359,207 | Mixed | 15 Mar 2026 | ||
| Gary J. Obermiller | Director | $3,963,095 | Mixed | 22 May 2024 | ||
| Thomas R. Lujan | Director | $3,739,667 | Mixed | 19 Jan 2024 | ||
| Bradley Ferguson | Chief Govt Affairs Officer | $3,590,382 | Mixed | 11 Aug 2023 | ||
| Steve Manko | Cfo | $3,387,087 | -$10,287,501 | -75% | Filing P/S | 11 May 2026 |
| Mark Litecky | Chief Revenue Officer | $2,810,555 | Mixed | 11 Aug 2023 | ||
| Christopher Hilberg | Chief Risk & Compl. Officer | $1,940,101 | Mixed | 16 Mar 2026 | ||
| John Spicer | EVP Operations | $550,411 | Mixed | 15 Mar 2023 | ||
| Steve Kosier | Chief Technology Officer | $513,747 | Mixed | 11 Aug 2023 | ||
| Nancy Fares | Director | $380,633 | Mixed | 21 May 2025 | ||
| Amanda Daniel | Chief People Officer | $353,525 | Mixed | 11 Aug 2023 | ||
| Chunyi (amy) Leong | Director | $331,583 | Mixed | 22 May 2024 | ||
| Edward Daly | Director | $305,191 | Mixed | 21 May 2025 | ||
| Kurtzweil John T. | Director | $227,305 | Mixed | 12 Jun 2023 | ||
| Dennis J. Goetz | Director | $207,488 | Mixed | 21 May 2025 | ||
| Joseph J. Humke | Director | $207,488 | Mixed | 21 May 2025 | ||
| Gregory B. Graves | Director | $115,851 | Filing P/S | 14 Mar 2025 | ||
| Tammy J. Miller | Director | $99,995 | Mixed | 21 May 2025 | ||
| Timothy E. Baxter | Director | $99,995 | Mixed | 21 May 2025 | ||
| Andrew D.c. LaFrence | Director | $99,995 | Mixed | 21 May 2025 |
Top shareholders of SkyWater Technology, 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 first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings 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 |
|---|---|---|---|---|---|---|---|---|
| CMI Oxbow Partners, LLC |
3/4/5
13D/G
|
Director, 10%+ Owner · Unterseher Loren A |
34%
from 13D/G
|
21,960,324
|
$177,659,021 | — | 15 Sep 2022 | |
| Loren A. Unterseher |
13D/G
3/4/5
|
Director, 10%+ Owner |
19%
|
9,663,895
|
$291,946,268 | -$9,783,871 | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
5.1%
from 13D/G
|
2,556,741
|
$70,080,283 | — | 31 Mar 2026 | |
| Bart L. Zibrowski |
13D/G
3/4/5
|
Zibrowski Bart L · 10%+ Owner |
4.5%
|
2,162,549
|
$40,353,164 | -$32,561,700 | 02 Oct 2025 | |
| Thomas Sonderman |
3/4/5
|
CEO, Director |
1.2%
|
553,244
|
$17,056,512 | -$702,090 | 16 Mar 2026 | |
| John Sakamoto |
3/4/5
|
President and COO |
0.3%
|
141,395
|
$4,359,207 | — | 15 Mar 2026 | |
| Christopher Hilberg |
3/4/5
|
Chief Risk & Compl. Officer |
0.13%
|
62,929
|
$1,940,101 | — | 16 Mar 2026 | |
| Nancy Fares |
3/4/5
|
Director |
0.09%
|
43,501
|
$380,633 | — | 21 May 2025 | |
| Edward Daly |
3/4/5
|
Director |
0.07%
|
34,879
|
$305,191 | — | 21 May 2025 | |
| Dennis J. Goetz |
3/4/5
|
Director |
0.05%
|
23,713
|
$207,488 | — | 21 May 2025 | |
| Joseph J. Humke |
3/4/5
|
Director |
0.05%
|
23,713
|
$207,488 | — | 21 May 2025 | |
| Andrew D.c. LaFrence |
3/4/5
|
Director |
0.02%
|
11,428
|
$99,995 | — | 21 May 2025 | |
| Tammy J. Miller |
3/4/5
|
Director |
0.02%
|
11,428
|
$99,995 | — | 21 May 2025 | |
| Timothy E. Baxter |
3/4/5
|
Director |
0.02%
|
11,428
|
$99,995 | — | 21 May 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
5%
|
2,399,067
|
$65,758,426 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
|
Company |
3.2%
|
1,527,134
|
$41,858,743 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
3.1%
|
1,473,228
|
$40,381,179 | — | 31 Mar 2026 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
2.9%
|
1,364,638
|
$37,404,728 | — | 31 Mar 2026 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
2.8%
|
1,347,349
|
$24,467,858 | — | 31 Mar 2026 | |
| ALPINE ASSOCIATES MANAGEMENT INC. |
13F
|
Company |
2.6%
|
1,228,100
|
$33,662,222 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
2.5%
|
1,187,422
|
$32,547,237 | — | 31 Mar 2026 | |
| Magnetar Financial LLC |
13F
|
Company |
2.5%
|
1,175,584
|
$32,222,758 | — | 31 Mar 2026 | |
| AQR Arbitrage LLC |
13F
|
Company |
2%
|
950,962
|
$26,065,868 | — | 31 Mar 2026 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.9%
|
905,432
|
$24,817,891 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.9%
|
901,221
|
$24,702,468 | — | 31 Mar 2026 | |
| Man Group plc |
13F
|
Company |
1.8%
|
860,093
|
$23,575,149 | — | 31 Mar 2026 | |
| GLAZER CAPITAL, LLC |
13F
|
Company |
1.8%
|
846,974
|
$23,216,000 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.7%
|
802,694
|
$22,005,021 | — | 31 Mar 2026 | |
| Woodline Partners LP |
13F
|
Company |
1.4%
|
668,889
|
$18,334,247 | — | 31 Mar 2026 | |
| Nuveen, LLC |
13F
|
Company |
1.3%
|
629,042
|
$17,242,041 | — | 31 Mar 2026 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
1.2%
|
586,472
|
$16,075,198 | — | 31 Mar 2026 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.94%
|
449,601
|
$12,323,563 | — | 31 Mar 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.85%
|
405,010
|
$11,101,324 | — | 31 Mar 2026 | |
| Voleon Capital Management LP |
13F
|
Company |
0.72%
|
345,192
|
$9,461,713 | — | 31 Mar 2026 | |
| EMERALD ADVISERS, LLC |
13F
|
Company |
0.6%
|
286,767
|
$7,860,283 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.6%
|
284,758
|
$7,805,218 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.59%
|
281,858
|
$7,725,728 | — | 31 Mar 2026 | |
| Palisades Investment Partners, LLC |
13F
|
Company |
0.55%
|
260,896
|
$7,150,888 | — | 31 Mar 2026 | |
| CITIGROUP INC |
13F
|
Company |
0.54%
|
256,733
|
$7,037,052 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.52%
|
249,920
|
$6,850,307 | — | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
|
Company |
0.48%
|
231,963
|
$6,358,106 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.44%
|
210,081
|
$5,758,320 | — | 31 Mar 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.42%
|
203,091
|
$5,566,724 | — | 31 Mar 2026 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
0.42%
|
201,500
|
$5,523,115 | — | 31 Mar 2026 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13F
|
Company |
0.39%
|
185,000
|
$5,070,850 | — | 31 Mar 2026 | |
| EMERALD MUTUAL FUND ADVISERS TRUST |
13F
|
Company |
0.38%
|
183,263
|
$5,023,239 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
0.37%
|
178,206
|
$4,884,626 | — | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.36%
|
170,103
|
$4,453,296 | — | 31 Mar 2026 | |
| GABELLI FUNDS LLC |
13F
|
Company |
0.31%
|
147,228
|
$4,035,519 | — | 31 Mar 2026 | |
| GABELLI & Co INVESTMENT ADVISERS, INC. |
13F
|
Company |
0.28%
|
135,600
|
$3,716,796 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for SkyWater Technology, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Steve Manko | SKYT | Common Stock | Sale | -43.7% | $2,630,625 | $35.08 | -75,000 | 96,567 | 11 May 2026 | Direct |
| Steve Manko | SKYT | Common Stock | Sale | -32.9% | $2,560,810 | $30.41 | -84,215 | 171,567 | 14 Apr 2026 | Direct |
| Steve Manko | SKYT | Common Stock | Options Exercise | 13.7% | 30,908 | 255,782 | 14 Apr 2026 | Direct | ||
| Steve Manko | SKYT | Options to Acquire Common Stock | Options Exercise | -100% | -30,908 | 0 | 14 Apr 2026 | Direct | ||
| Steve Manko | SKYT | Common Stock | Sale | -24.2% | $1,995,919 | $27.84 | -71,693 | 224,874 | 16 Mar 2026 | Direct |
| Christopher Hilberg | SKYT | Common Stock | Tax liability | -2.05% | -1,317 | 62,929 | 16 Mar 2026 | Direct | ||
| Thomas Sonderman | SKYT | Common Stock | Tax liability | -2.33% | -13,201 | 553,244 | 16 Mar 2026 | Direct | ||
| Christopher Hilberg | SKYT | Common Stock | Award | 38.8% | 17,946 | 64,246 | 15 Mar 2026 | Direct | ||
| Steve Manko | SKYT | Common Stock | Award | 10.9% | 29,432 | 299,409 | 15 Mar 2026 | Direct | ||
| John Sakamoto | SKYT | Common Stock | Award | 17.7% | 21,221 | 141,395 | 15 Mar 2026 | Direct | ||
| Thomas Sonderman | SKYT | Common Stock | Award | 9.78% | 50,455 | 566,445 | 15 Mar 2026 | Direct | ||
| Thomas Sonderman | SKYT | Common Stock | Tax liability | -1.11% | -5,767 | 515,990 | 17 Feb 2026 | Direct | ||
| John Sakamoto | SKYT | Common Stock | Tax liability | -6.63% | -8,539 | 120,174 | 17 Feb 2026 | Direct | ||
| Steve Manko | SKYT | Common Stock | Tax liability | -2.58% | -7,145 | 269,977 | 17 Feb 2026 | Direct | ||
| Christopher Hilberg | SKYT | Common Stock | Tax liability | -7.16% | -3,571 | 46,300 | 17 Feb 2026 | Direct | ||
| Christopher Hilberg | SKYT | Common Stock | Tax liability | -1.71% | -867 | 49,871 | 08 Dec 2025 | Direct | ||
| Loren A. Unterseher | SKYT | Common Stock | Sale | -2.18% | $1,454,310 | $14.54 | -100,000 | 4,487,394 | 26 Nov 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -2.13% | $1,452,670 | $14.53 | -100,000 | 4,587,394 | 24 Nov 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -2.09% | $1,412,640 | $14.13 | -100,000 | 4,687,394 | 21 Nov 2025 | Direct |
| Thomas Sonderman | SKYT | Common Stock | Sale | -0.99% | $69,715 | $13.38 | -5,210 | 521,757 | 21 Nov 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -0.2% | $157,065 | $16.26 | -9,662 | 4,787,394 | 18 Nov 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -0.25% | $209,412 | $17.45 | -12,000 | 4,797,056 | 17 Nov 2025 | Direct |
| Steve Manko | SKYT | Common Stock | Sale | -15.3% | $869,900 | $17.40 | -50,000 | 277,122 | 14 Nov 2025 | Direct |
| Thomas Sonderman | SKYT | Common Stock | Sale | -0.98% | $88,519 | $17.00 | -5,207 | 526,967 | 14 Nov 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -0.05% | $45,204 | $20.55 | -2,200 | 4,809,056 | 13 Nov 2025 | Direct |
| John Sakamoto | SKYT | Common Stock | Tax liability | -7.89% | -11,028 | 128,713 | 16 Oct 2025 | Direct | ||
| Loren A. Unterseher | SKYT | Common Stock | Gift | 651,818 | 651,818 | 03 Oct 2025 | By Revocable Trust | |||
| Loren A. Unterseher | SKYT | Common Stock | Gift | 914,464 | 687,811 | 03 Oct 2025 | By trust for benefit of daughter | |||
| Loren A. Unterseher | SKYT | Common Stock | Gift | 914,464 | 687,812 | 03 Oct 2025 | By trust for benefit of son | |||
| Loren A. Unterseher | SKYT | Common Stock | Gift | -100% | -2,480,746 | 0 | 03 Oct 2025 | By 2023 grantor retained annuity trust | ||
| Loren A. Unterseher | SKYT | Common Stock | Sale | -1.74% | $2,169,308 | $18.02 | -120,370 | 6,811,256 | 26 Sep 2025 | Direct |
| Steve Manko | SKYT | Common Stock | Sale | -15.7% | $1,058,425 | $17.40 | -60,829 | 327,122 | 26 Sep 2025 | Direct |
| Steve Manko | SKYT | Common Stock | Options Exercise | 5.31% | 19,544 | 387,951 | 26 Sep 2025 | Direct | ||
| Steve Manko | SKYT | Options to Acquire Common Stock | Options Exercise | -100% | -19,544 | 0 | 26 Sep 2025 | Direct | ||
| Steve Manko | SKYT | Common Stock | Sale | -10.5% | $656,298 | $15.13 | -43,383 | 368,407 | 22 Sep 2025 | Direct |
| Steve Manko | SKYT | Common Stock | Options Exercise | 11.8% | 43,383 | 411,790 | 22 Sep 2025 | Direct | ||
| Steve Manko | SKYT | Options to Acquire Common Stock | Options Exercise | -79.8% | -43,383 | 11,000 | 22 Sep 2025 | Direct | ||
| Loren A. Unterseher | SKYT | Common Stock | Sale | -1.7% | $1,686,276 | $14.05 | -120,000 | 6,931,626 | 19 Sep 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -1.67% | $1,571,997 | $13.10 | -120,000 | 7,051,626 | 18 Sep 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -2.57% | $1,978,938 | $10.47 | -188,976 | 7,171,626 | 12 Sep 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -3.02% | $2,390,101 | $10.44 | -229,029 | 7,360,602 | 11 Sep 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -0.06% | $46,755 | $10.64 | -4,396 | 7,589,631 | 10 Sep 2025 | Direct |
| Thomas Sonderman | SKYT | Common Stock | Sale | -1.55% | $88,396 | $10.58 | -8,355 | 532,174 | 10 Sep 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -0.08% | $67,582 | $10.87 | -6,218 | 7,594,027 | 09 Sep 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -0.79% | $734,132 | $12.08 | -60,767 | 7,600,245 | 29 Aug 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -3.91% | $3,832,229 | $12.28 | -311,959 | 7,661,012 | 28 Aug 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -2.3% | $2,276,744 | $12.11 | -188,041 | 7,972,971 | 27 Aug 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -8.48% | $9,126,533 | $12.06 | -756,516 | 8,161,012 | 26 Aug 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -2.66% | $2,878,030 | $11.82 | -243,484 | 8,917,528 | 25 Aug 2025 | Direct |
| Loren A. Unterseher | SKYT | Common Stock | Sale | -3.1% | $3,365,398 | $11.50 | -292,628 | 9,161,012 | 22 Aug 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.