Unterseher Loren A 4

What Happened
Loren A. Unterseher, a 10% owner and President/Managing Partner of affiliated entities, received a grant of 4,304 restricted stock units (RSUs) in SkyWater Technology, Inc. on June 10, 2026. The acquisition price reported is $0.00 (award/grant code A). This is a compensation award, not an open‑market purchase or sale.

Key Details

• Transaction date: 2026-06-10; Form filed: 2026-06-12 (timely).
• Transaction type/code: Award/Grant (A).
• Shares granted: 4,304 RSUs; reported acquisition price: $0.00.
• Shares owned after transaction: Not specified in the filing.
• Vesting: RSUs vest on the date immediately preceding the next annual meeting, contingent on continued service (footnote).
• Related-party notes: Footnotes state certain SkyWater shares are held by Oxbow and CMI entities. Mr. Unterseher is President of CMI Oxbow Partners, LLC and Managing Partner of Oxbow Industries, LLC and may be deemed to have a pecuniary interest in shares held by those entities, but he disclaims beneficial ownership except to the extent of any pecuniary interest.

Context
RSU grants are a form of equity compensation and do not necessarily indicate immediate buying or selling intent; vesting is service‑contingent. Because Unterseher is a 10% owner with affiliated entity holdings, some reported ownership may reflect institutional/entity holdings rather than direct personal purchases.