Welcome to our dedicated page for Skywater Technology SEC filings (Ticker: SKYT), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
SkyWater Technology, Inc. filings document the regulatory record for a Nasdaq-listed Delaware semiconductor foundry with common stock trading under the symbol SKYT. The disclosures cover the company’s U.S. foundry operations, Technology as a Service model, advanced packaging, wafer services, capital structure and operating results.
SkyWater’s SEC filings include 8-K material-event reports, proxy and governance disclosures, shareholder voting records, material agreements, risk factors and financial-reporting notices. The filing record also documents capital-structure matters tied to its common stock and formal reporting items related to periodic results, corporate governance and securityholder approvals.
SkyWater Technology, Inc. (SKYT) amended its quarterly report to disclose insider trading arrangements. As of May 5, 2025, there were 48,037,024 shares outstanding. On March 14, 2025 the CEO, Thomas Sonderman, adopted a Rule 10b5-1 plan to sell up to 14,958 shares that terminates when those shares are sold or on June 15, 2026. On the same date the CFO, Steve Manko, adopted a Rule 10b5-1 plan to sell up to 449,146 shares that terminates when those shares are sold or on July 9, 2027. The filing affirms electronic submission compliance and states the company is not a shell company.
SkyWater Technology, Inc. (SKYT) amended its quarterly report to disclose insider trading arrangements. As of May 5, 2025, there were 48,037,024 shares outstanding. On March 14, 2025 the CEO, Thomas Sonderman, adopted a Rule 10b5-1 plan to sell up to 14,958 shares that terminates when those shares are sold or on June 15, 2026. On the same date the CFO, Steve Manko, adopted a Rule 10b5-1 plan to sell up to 449,146 shares that terminates when those shares are sold or on July 9, 2027. The filing affirms electronic submission compliance and states the company is not a shell company.
SkyWater Technology, Inc. (SKYT) amended its quarterly report to disclose insider trading arrangements. As of May 5, 2025, there were 48,037,024 shares outstanding. On March 14, 2025 the CEO, Thomas Sonderman, adopted a Rule 10b5-1 plan to sell up to 14,958 shares that terminates when those shares are sold or on June 15, 2026. On the same date the CFO, Steve Manko, adopted a Rule 10b5-1 plan to sell up to 449,146 shares that terminates when those shares are sold or on July 9, 2027. The filing affirms electronic submission compliance and states the company is not a shell company.
SkyWater Technology, Inc. (SKYT) amended its quarterly report to disclose insider trading arrangements. As of May 5, 2025, there were 48,037,024 shares outstanding. On March 14, 2025 the CEO, Thomas Sonderman, adopted a Rule 10b5-1 plan to sell up to 14,958 shares that terminates when those shares are sold or on June 15, 2026. On the same date the CFO, Steve Manko, adopted a Rule 10b5-1 plan to sell up to 449,146 shares that terminates when those shares are sold or on July 9, 2027. The filing affirms electronic submission compliance and states the company is not a shell company.
SkyWater Technology, Inc. (SKYT) amended its quarterly report to disclose insider trading arrangements. As of May 5, 2025, there were 48,037,024 shares outstanding. On March 14, 2025 the CEO, Thomas Sonderman, adopted a Rule 10b5-1 plan to sell up to 14,958 shares that terminates when those shares are sold or on June 15, 2026. On the same date the CFO, Steve Manko, adopted a Rule 10b5-1 plan to sell up to 449,146 shares that terminates when those shares are sold or on July 9, 2027. The filing affirms electronic submission compliance and states the company is not a shell company.
SkyWater Technology (SKYT) disclosure shows a proposed sale of 240,000 common shares through Needham & Company with an aggregate market value of $3,120,000, against reported outstanding shares of 48,175,815. The securities were originally acquired in the company's IPO on 04/21/2021, with the filer reporting 7,171,626 shares acquired then as direct ownership. The filing also lists multiple sales by CMI Oxbow Partners, LLC over Aug–Sep 2025 totaling substantial volumes and proceeds, including a single large sale of 756,516 shares reporting $911,140,305 gross proceeds. By signing, the seller represents no undisclosed material adverse information and confirms compliance with Rule 144 representations.
SkyWater Technology (SKYT) disclosure shows a proposed sale of 240,000 common shares through Needham & Company with an aggregate market value of $3,120,000, against reported outstanding shares of 48,175,815. The securities were originally acquired in the company's IPO on 04/21/2021, with the filer reporting 7,171,626 shares acquired then as direct ownership. The filing also lists multiple sales by CMI Oxbow Partners, LLC over Aug–Sep 2025 totaling substantial volumes and proceeds, including a single large sale of 756,516 shares reporting $911,140,305 gross proceeds. By signing, the seller represents no undisclosed material adverse information and confirms compliance with Rule 144 representations.
Loren A. Unterseher and affiliated entities reported sales of SkyWater Technology, Inc. (SKYT) common stock on September 12, 2025. The filing shows 188,976 shares disposed of in multiple transactions at sale prices ranging from $10.14 to $10.81 per share, with a weighted average price of $10.4719. After the reported transactions, the aggregate number of shares beneficially owned by the reporting person(s) is 7,171,626. The filing discloses both direct and indirect holdings across several vehicles, including CMI Oxbow Partners, LLC, Oxbow Industries, LLC, various grantor retained annuity trusts, family trusts for children, a spouse, and a family irrevocable trust. The reporting person signed the Form 4 on 09/16/2025.
SkyWater Technology, Inc. filed an amended current report to add detailed financial information for its recently closed acquisition of the Fab 25 Business of Infineon Technologies AG in Austin, Texas. The company bought all membership interests of Spansion Fab 25, LLC from Spansion LLC, an Infineon affiliate, and financed the deal through an Amended and Restated Loan and Security Agreement with Siena Lending Group LLC and other parties on June 30, 2025. The amendment provides audited and interim combined abbreviated financial statements for the acquired business and unaudited pro forma condensed combined financial information showing how the acquisition and related debt financing would have affected SkyWater’s historical results.
SkyWater Technology, Inc. filed an amended current report to add detailed financial information for its recently closed acquisition of the Fab 25 Business of Infineon Technologies AG in Austin, Texas. The company bought all membership interests of Spansion Fab 25, LLC from Spansion LLC, an Infineon affiliate, and financed the deal through an Amended and Restated Loan and Security Agreement with Siena Lending Group LLC and other parties on June 30, 2025. The amendment provides audited and interim combined abbreviated financial statements for the acquired business and unaudited pro forma condensed combined financial information showing how the acquisition and related debt financing would have affected SkyWater’s historical results.
SkyWater Technology, Inc. filed an amended current report to add detailed financial information for its recently closed acquisition of the Fab 25 Business of Infineon Technologies AG in Austin, Texas. The company bought all membership interests of Spansion Fab 25, LLC from Spansion LLC, an Infineon affiliate, and financed the deal through an Amended and Restated Loan and Security Agreement with Siena Lending Group LLC and other parties on June 30, 2025. The amendment provides audited and interim combined abbreviated financial statements for the acquired business and unaudited pro forma condensed combined financial information showing how the acquisition and related debt financing would have affected SkyWater’s historical results.
SkyWater Technology, Inc. filed an amended current report to add detailed financial information for its recently closed acquisition of the Fab 25 Business of Infineon Technologies AG in Austin, Texas. The company bought all membership interests of Spansion Fab 25, LLC from Spansion LLC, an Infineon affiliate, and financed the deal through an Amended and Restated Loan and Security Agreement with Siena Lending Group LLC and other parties on June 30, 2025. The amendment provides audited and interim combined abbreviated financial statements for the acquired business and unaudited pro forma condensed combined financial information showing how the acquisition and related debt financing would have affected SkyWater’s historical results.
Loren A. Unterseher, a director and reported 10% owner of SkyWater Technology, Inc. (SKYT), reported multiple open-market sales of common stock on September 9-11, 2025. The Form 4 shows sales of 6,218 shares at a weighted average price of $10.8688 on 09/09/2025, 4,396 shares at $10.6358 on 09/10/2025, and 229,029 shares at $10.4358 on 09/11/2025, with 120,000 of the September 11 sales executed automatically under a Rule 10b5-1 trading plan adopted June 13, 2025. Following the reported transactions, the aggregate beneficial ownership reported on the form equals several million shares across direct and indirect holdings held by Mr. Unterseher, CMI Oxbow Partners, LLC, Oxbow Industries, LLC and related trusts and family entities. The filer disclaims beneficial ownership of shares held directly by CMI except to the extent of any pecuniary interest, and offers to provide transaction-level sale details upon request by regulators or security holders.
Thomas Sonderman, who serves as CEO and a director of SkyWater Technology, Inc. (SKYT), reported an insider sale on 09/10/2025. He disposed of 8,355 shares of SkyWater common stock in multiple transactions at a weighted-average price of $10.58 (transactions ranged from $10.50 to $10.61). After the sale he beneficially owned 532,174 shares. The Form 4 was submitted indicating a single reporting person and was signed by an attorney-in-fact on 09/11/2025.
SkyWater Technology, Inc. reported a proposed sale under Rule 144 by an insider: 8,355 shares of common stock registered with J.P. Morgan Securities LLC for an approximate aggregate market value of $88,392.86, with an approximate sale date listed as 09/10/2025 on the NASDAQ. The securities were acquired on 07/17/2025 by restricted stock vesting from the issuer as equity compensation. The filing also discloses that Thomas Sonderman sold 24,936 shares on 09/10/2025 for gross proceeds of $305,261.33. The filer affirms no undisclosed material adverse information is known.
Loren A. Unterseher, a director and reported 10% owner of SkyWater Technology, Inc. (SKYT), sold 60,767 shares of common stock on 08/29/2025 at a weighted average price of $12.0811 per share, with individual sale prices ranging from $12.00 to $12.26. The Form 4 shows 7,600,245 shares reported as beneficially owned following the transactions, and details both direct and indirect holdings, including shares held by CMI Oxbow Partners, LLC and Oxbow Industries, LLC, family trusts and grantor retained annuity trusts totaling multiple large blocks of shares. The filer discloses roles: Mr. Unterseher is President of CMI and Managing Partner of Oxbow and provides the required undertaking to supply per-price sale breakdowns on request.
SkyWater Technology, Inc. (SKYT) Form 4: Director and 10% owner Loren A. Unterseher reported multiple open-market sales of common stock on August 26–28, 2025. The filings show 756,516 shares sold on 08/26 at a weighted average price of $12.0639, 188,041 shares sold on 08/27 at $12.1077, and 311,959 shares sold on 08/28 at $12.2844, for total reported disposals of 1,256,516 shares across the three days. After those transactions his reported direct beneficial ownership declined from 8,161,012 shares to 7,661,012 shares. The Form 4 also lists multiple indirect holdings through entities and trusts and includes customary disclaimers about pecuniary interest and provision of per-price details on request.
SkyWater Technology, Inc. (SKYT) submitted a Form 144 reporting a proposed sale of 1,000,000 common shares through Needham and Company on 08/27/2025 with an aggregate market value of $12,000,000. The filing lists 48,175,815 shares outstanding. The securities being offered were originally acquired in the company’s 04/21/2021 initial public offering (25,119,077 shares recorded as acquired by CMI Acquisition) and are held in direct ownership. The notice also discloses numerous recent sales by CMI Oxbow Partners, LLC and an individual, totaling multiple transfers between 05/27/2025 and 08/26/2025, including large blocks such as 756,516 shares on 08/26/2025.