| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Unterseher Loren A | Director, 10%+ Owner | 4450 EXCELSIOR BLVD, SUITE 440, MINNEAPOLIS | /s/ Loren A. Unterseher | 25 Aug 2025 | 0001741560 |
| CMI Oxbow Partners, LLC | Director, 10%+ Owner | 4450 EXCELSIOR BOULEVARD, SUITE 440, MINNEAPOLIS | /s/ Loren A. Unterseher | 25 Aug 2025 | 0001857392 |
| Oxbow Industries, LLC | Director, 10%+ Owner | 4450 EXCELSIOR BOULEVARD, SUITE 440, MINNEAPOLIS | /s/ Loren A. Unterseher | 25 Aug 2025 | 0001857514 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SKYT | Common Stock | Sale | $424,013 | -37,979 | -0.4% | $11.16 | 9,453,640 | 21 Aug 2025 | Direct | F1, F2 |
| transaction | SKYT | Common Stock | Sale | $3,365,398 | -292,628 | -3.1% | $11.50 | 9,161,012 | 22 Aug 2025 | Direct | F2, F3 |
| transaction | SKYT | Common Stock | Sale | $2,878,030 | -243,484 | -2.7% | $11.82 | 8,917,528 | 25 Aug 2025 | Direct | F2, F4 |
| holding | SKYT | Common Stock | 3 | 21 Aug 2025 | Direct | F5 | |||||
| holding | SKYT | Common Stock | 23,713 | 21 Aug 2025 | Direct | F6 | |||||
| holding | SKYT | Common Stock | 2,480,746 | 21 Aug 2025 | By 2023 grantor retained annuity trust | ||||||
| holding | SKYT | Common Stock | 230,580 | 21 Aug 2025 | By trust for benefit of son | ||||||
| holding | SKYT | Common Stock | 230,580 | 21 Aug 2025 | By trust for benefit of son | ||||||
| holding | SKYT | Common Stock | 230,579 | 21 Aug 2025 | By trust for benefit of daughter | ||||||
| holding | SKYT | Common Stock | 230,579 | 21 Aug 2025 | By trust for benefit of daughter | ||||||
| holding | SKYT | Common Stock | 52,317 | 21 Aug 2025 | By spouse | ||||||
| holding | SKYT | Common Stock | 531,283 | 21 Aug 2025 | By family irrevocable trust | ||||||
| holding | SKYT | Common Stock | 1,229,864 | 21 Aug 2025 | By 2024 grantor retained annuity trust | ||||||
| holding | SKYT | Common Stock | 2 | 21 Aug 2025 | By revocable trust |
| Id | Content |
|---|---|
| F1 | Reflects the weighted average price of 37,979 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 21, 2025 with sale prices ranging from $11.00 to $11.40 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 | 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. |
| F3 | Reflects the weighted average price of 292,628 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 22, 2025 with sale prices ranging from $11.00 to $11.64 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. |
| F4 | Reflects the weighted average price of 243,484 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 25, 2025 with sale prices ranging from $11.55 to $12.02 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. |