SCHEDULE 13G/A

SKYWATER TECHNOLOGY INC

Common Stock, par value $0.01 per share · CUSIP: 83089J108

Event date: 2025-10-02

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Zibrowski Bart L

  Shares: 2,162,549.00 · Class: 4.49%

• DDK Developments, L.L.C.

  Shares: 2,162,549.00 · Class: 4.49%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.