SkyWater Technology, Inc — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| SONDERMAN THOMAS | CEO | Award / Grant | 528 | — | — | 541,264 | Feb 15, 2025 |
| Oxbow Industries, LLC | — | Sale | 7,761 | $9.27 | $71,944 | 12,806,264 | Dec 13, 2024 |
| Hilberg Christopher | Chief Risk & Compl. Officer | Tax Withholding | 712 | $9.23 | $6,572 | 40,027 | Dec 11, 2024 |
| Oxbow Industries, LLC | — | Sale | 44,296 | $9.26 | $410,181 | 12,814,025 | Dec 9, 2024 |
| Sakamoto John | President and COO | Sale | 13,273 | $8.11 | $107,644 | 105,285 | Nov 27, 2024 |
| CMI Oxbow Partners, LLC | — | Gift | 5,091 | — | — | 189,982 | Nov 18, 2024 |
| Unterseher Loren A | — | Sale | 2,673 | $10.00 | $26,730 | 13,019,620 | Aug 23, 2024 |
| FARES NANCY | — | Sale | 8,850 | $7.97 | $70,535 | 32,073 | Jun 14, 2024 |
| Oxbow Industries, LLC | — | Award / Grant | 12,285 | — | — | 44,435 | May 22, 2024 |
| FARES NANCY | — | Award / Grant | 12,285 | — | — | 40,923 | May 22, 2024 |
| LEONG CHUNYI (AMY) | — | Award / Grant | 12,285 | — | — | 40,923 | May 22, 2024 |
| OBERMILLER GARY J | — | Award / Grant | 12,285 | — | — | 22,345 | May 22, 2024 |
| Humke Joseph J | — | Award / Grant | 12,285 | — | — | 12,285 | May 22, 2024 |
| GRAVES GREGORY B | — | Award / Grant | 12,285 | — | — | 27,129 | May 22, 2024 |
| Goetz Dennis J | — | Award / Grant | 12,285 | — | — | 12,285 | May 22, 2024 |
| Daly Edward | — | Award / Grant | 12,285 | — | — | 23,451 | May 22, 2024 |
| GRAVES GREGORY B | — | Sale | 5,432 | $8.10 | $43,999 | 14,844 | May 21, 2024 |
| SONDERMAN THOMAS | CEO | Tax Withholding | 2,459 | $8.63 | $21,221 | 540,736 | Apr 22, 2024 |
| Manko Steve | CFO | Tax Withholding | 1,721 | $8.63 | $14,852 | 350,491 | Apr 22, 2024 |
| SONDERMAN THOMAS | CEO | Award / Grant | 54,386 | — | — | 543,195 | Mar 15, 2024 |
| Hilberg Christopher | Chief Legal Officer | Tax Withholding | 1,316 | $10.14 | $13,344 | 40,739 | Mar 15, 2024 |
| Manko Steve | CFO | Tax Withholding | 2,251 | $10.14 | $22,825 | 352,212 | Mar 15, 2024 |
| SONDERMAN THOMAS | CEO | Tax Withholding | 4,592 | $10.14 | $46,563 | 488,809 | Mar 15, 2024 |
| CMI Oxbow Partners, LLC | — | Sale | 50,771 | $11.57 | $587,420 | 13,391,002 | Mar 5, 2024 |
| CMI Oxbow Partners, LLC | — | Sale | 187,810 | $11.88 | $2,231,183 | 13,452,293 | Feb 29, 2024 |
| Hilberg Christopher | Chief Legal Officer | Tax Withholding | 563 | $11.06 | $6,227 | 42,055 | Feb 27, 2024 |
| Manko Steve | CFO | Tax Withholding | 2,515 | $11.06 | $27,816 | 352,393 | Feb 27, 2024 |
| SONDERMAN THOMAS | CEO | Tax Withholding | 5,012 | $11.06 | $55,433 | 493,401 | Feb 27, 2024 |
| Hilberg Christopher | Chief Legal Officer | Award / Grant | 16,189 | — | — | 42,618 | Feb 15, 2024 |
| Manko Steve | CFO | Award / Grant | 26,653 | — | — | 354,908 | Feb 15, 2024 |
| Sakamoto John | President and COO | Award / Grant | 40,433 | — | — | 118,558 | Feb 15, 2024 |
| SONDERMAN THOMAS | CEO | Sale | 18,989 | $10.01 | $190,080 | 498,413 | Feb 9, 2024 |
| SONDERMAN THOMAS | CEO | Sale | 17,211 | $10.01 | $172,282 | 519,502 | Jan 25, 2024 |
| Lujan Thomas R. | — | Gift | 1,800 | — | — | 462,258 | Jan 19, 2024 |
| Lujan Thomas R. | — | Gift | 3,600 | — | — | 464,058 | Jan 17, 2024 |
| SONDERMAN THOMAS | CEO | Sale | 1,700 | $10.01 | $17,017 | 536,713 | Dec 28, 2023 |
| CMI Oxbow Partners, LLC | — | Other | 544,500 | — | — | 3 | Dec 27, 2023 |
| OBERMILLER GARY J | — | Gift | 466,769 | — | — | 10,060 | Dec 14, 2023 |
| Oxbow Industries, LLC | — | Sale | 500,000 | $8.00 | $4,000,000 | 14,447,282 | Dec 8, 2023 |
| Hilberg Christopher | Chief Legal Officer | Sale | 868 | $8.09 | $7,022 | 26,429 | Dec 8, 2023 |
| Sakamoto John | President and COO | Award / Grant | 78,125 | — | — | 78,125 | Oct 15, 2023 |
| Daly Edward | — | Award / Grant | 11,166 | — | — | 11,166 | Oct 1, 2023 |
| Oxbow Industries, LLC | — | Other | 4,545,900 | — | — | 4,545,900 | Sep 27, 2023 |
| Manko Steve | CFO | Sale | 84,800 | $7.00 | $593,600 | 328,374 | Aug 17, 2023 |
| Ferguson Bradley | Chief Govt Affairs Officer | Sale | 72,603 | $7.04 | $511,125 | 459,991 | Aug 14, 2023 |
| Litecky Mark | Chief Revenue Officer | Sale | 61,501 | $7.04 | $432,967 | 361,122 | Aug 14, 2023 |
| Kosier Steve | Chief Technology Officer | Sale | 2,636 | $7.04 | $18,557 | 64,091 | Aug 14, 2023 |
| Daniel Amanda | Chief People Officer | Sale | 378 | $7.26 | $2,744 | 43,699 | Aug 11, 2023 |
| DDK Developments, L.L.C. | — | Sale | 57,500 | $10.83 | $622,725 | 4,483,396 | Aug 1, 2023 |
| Zibrowski Bart L | — | Sale | 57,500 | $10.83 | $622,725 | 4,483,396 | Aug 1, 2023 |