| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Unterseher Loren A | Director, 10%+ Owner | 4450 EXCELSIOR BLVD, SUITE 440, MINNEAPOLIS | /s/ Loren A. Unterseher | 17 Nov 2025 | 0001741560 |
| CMI Oxbow Partners, LLC | Director, 10%+ Owner | 4450 EXCELSIOR BOULEVARD, SUITE 440, MINNEAPOLIS | /s/ Loren A. Unterseher | 17 Nov 2025 | 0001857392 |
| Oxbow Industries, LLC | Director, 10%+ Owner | 4450 EXCELSIOR BOULEVARD, SUITE 440, MINNEAPOLIS | /s/ Loren A. Unterseher | 17 Nov 2025 | 0001857514 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SKYT | Common Stock | Gift | $0 | -2.48M | -100% | $0.00 | 0 | 03 Oct 2025 | By 2023 grantor retained annuity trust | |
| transaction | SKYT | Common Stock | Gift | $0 | +457K | +198.3% | $0.00 | 688K | 03 Oct 2025 | By trust for benefit of son | |
| transaction | SKYT | Common Stock | Gift | $0 | +457K | +198.3% | $0.00 | 688K | 03 Oct 2025 | By trust for benefit of son | |
| transaction | SKYT | Common Stock | Gift | $0 | +457K | +198.3% | $0.00 | 688K | 03 Oct 2025 | By trust for benefit of daughter | |
| transaction | SKYT | Common Stock | Gift | $0 | +457K | +198.3% | $0.00 | 688K | 03 Oct 2025 | By trust for benefit of daughter | |
| transaction | SKYT | Common Stock | Gift | $0 | +652K | $0.00 | 652K | 03 Oct 2025 | By Revocable Trust | ||
| transaction | SKYT | Common Stock | Sale | -$45.2K | -2.2K | -0.05% | $20.55 | 4.81M | 13 Nov 2025 | Direct | F1, F2, F3 |
| transaction | SKYT | Common Stock | Sale | -$209K | -12K | -0.25% | $17.45 | 4.8M | 17 Nov 2025 | Direct | F3, F4 |
| holding | SKYT | Common Stock | 3 | 01 Oct 2025 | Direct | F5 | |||||
| holding | SKYT | Common Stock | 23.7K | 01 Oct 2025 | Direct | F6 | |||||
| holding | SKYT | Common Stock | 531K | 01 Oct 2025 | By family irrevocable trust | ||||||
| holding | SKYT | Common Stock | 1.23M | 01 Oct 2025 | By 2024 grantor retained annuity trust | ||||||
| holding | SKYT | Common Stock | 2 | 01 Oct 2025 | By revocable trust |
| Id | Content |
|---|---|
| F1 | Reflects the weighted average price of 2,200 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on November 13, 2025 with sale prices ranging from $20.50 to $20.77 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F2 | Since the date of the reporting person's last ownership report, 2,000,000 shares of common stock were transferred to his former spouse pursuant to a domestic relations order. The reporting person no longer reports as beneficially owned any securities owned by his former spouse. |
| F3 | Mr. Unterseher is President of CMI Oxbow Partners, LLC ("CMI") and Managing Partner of Oxbow Industries, LLC ("Oxbow"), which is the majority member of CMI. CMI directly holds the shares of Common Stock reported in Column 5. As a result, he may be deemed to be the beneficial owner of, and to have a pecuniary interest in, such shares of Common Stock. Mr. Unterseher disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. |
| F4 | Reflects the weighted average price of 12,000 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on November 17, 2025 with sale prices ranging from $17.25 to $17.505 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F5 | Oxbow directly holds the shares reported in Column 5. |
| F6 | Shares owned directly by Mr. Unterseher. |