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CMI Oxbow Partners, LLC

Disclosed activity across 1 company

Tapewire entity
27503
SEC CIK
0001857392

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Reported relationships

Latest disclosed role at each company.

No relationships currently tracked through insider filings.

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

No balances currently tracked through insider filings.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

SkyWater Technology, LLC

Report date July 28, 2026 · Filed July 31, 2026

Jointly reported with Unterseher Loren A, Oxbow Industries, LLC

Section 16 reporting ended · disclosed 2026-07-31. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy 2024 grantor retained annuity trust1,069,543 Reported balance After 2026-07-28 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2026-07-28 · Gift · Disposed 160,321 · Balance 1,069,543

Common StockSEC Table I · non-derivativeIndirectBy 2024 grantor retained annuity trust0 Reported balance After 2026-07-31 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2026-07-31 · Disposition to issuer · Disposed 1,069,543 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Common StockSEC Table I · non-derivativeIndirectBy revocable trust812,139 Reported balance After 2026-07-28 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2026-07-28 · Gift · Acquired 160,321 · Balance 812,139

Common StockSEC Table I · non-derivativeIndirectBy revocable trust0 Reported balance After 2026-07-31 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 4 · 2026-07-31 · Disposition to issuer · Disposed 812,139 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Common StockSEC Table I · non-derivativeIndirectBy revocable trust0 Reported balance After 2026-07-31 transaction · row 10 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 10 · 2026-07-31 · Disposition to issuer · Disposed 2 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2026-07-31 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 5 · 2026-07-31 · Disposition to issuer · Disposed 23,713 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F2: Owned directly by Mr. Unterseher.

Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2026-07-31 transaction · row 6 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 6 · 2026-07-31 · Disposition to issuer · Disposed 3 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F3: Shares held directly by Oxbow Industries, LLC ("Oxbow").

Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2026-07-31 transaction · row 7 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 7 · 2026-07-31 · Disposition to issuer · Disposed 4,487,394 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F4: Mr. Unterseher is President of CMI Oxbow Partners, LLC ("CMI") and Managing Partner of Oxbow, which is the majority member of CMI. CMI directly holds the shares of SkyWater 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 SkyWater common stock. Mr. Unterseher disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2026-07-31 transaction · row 8 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 8 · 2026-07-31 · Disposition to issuer · Disposed 4,304 · Balance 0

F5: Represents restricted stock units relating to shares of SkyWater common stock. Pursuant to the Merger Agreement, prior to the Effective Time, each award of restricted stock units relating to shares of SkyWater common stock held by a non-employee member of SkyWater's board of directors that was outstanding, whether vested or unvested, automatically became fully vested and settled in shares of SkyWater common stock. At the Effective Time, each share of SkyWater common stock automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F2: Owned directly by Mr. Unterseher.

Common StockSEC Table I · non-derivativeIndirectBy family irrevocable trust0 Reported balance After 2026-07-31 transaction · row 9 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 9 · 2026-07-31 · Disposition to issuer · Disposed 531,283 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Common StockSEC Table I · non-derivativeIndirectBy trust for benefit of daughter0 Reported balance After 2026-07-31 transaction · row 11 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 11 · 2026-07-31 · Disposition to issuer · Disposed 687,811 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Common StockSEC Table I · non-derivativeIndirectBy trust for benefit of daughter0 Reported balance After 2026-07-31 transaction · row 12 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 12 · 2026-07-31 · Disposition to issuer · Disposed 687,811 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Common StockSEC Table I · non-derivativeIndirectBy trust for benefit of son0 Reported balance After 2026-07-31 transaction · row 13 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 13 · 2026-07-31 · Disposition to issuer · Disposed 687,812 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Common StockSEC Table I · non-derivativeIndirectBy trust for benefit of son0 Reported balance After 2026-07-31 transaction · row 14 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 14 · 2026-07-31 · Disposition to issuer · Disposed 687,812 · Balance 0

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F2: Owned directly by Mr. Unterseher.

F3: Shares held directly by Oxbow Industries, LLC ("Oxbow").

F4: Mr. Unterseher is President of CMI Oxbow Partners, LLC ("CMI") and Managing Partner of Oxbow, which is the majority member of CMI. CMI directly holds the shares of SkyWater 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 SkyWater common stock. Mr. Unterseher disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: Represents restricted stock units relating to shares of SkyWater common stock. Pursuant to the Merger Agreement, prior to the Effective Time, each award of restricted stock units relating to shares of SkyWater common stock held by a non-employee member of SkyWater's board of directors that was outstanding, whether vested or unvested, automatically became fully vested and settled in shares of SkyWater common stock. At the Effective Time, each share of SkyWater common stock automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 687,812 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 14

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust for benefit of son

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 687,812 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 13

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust for benefit of son

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 687,811 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 12

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust for benefit of daughter

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 687,811 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 11

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust for benefit of daughter

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 2 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 10

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By revocable trust

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 531,283 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 9

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By family irrevocable trust

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 4,304 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 8

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F5 · security: Represents restricted stock units relating to shares of SkyWater common stock. Pursuant to the Merger Agreement, prior to the Effective Time, each award of restricted stock units relating to shares of SkyWater common stock held by a non-employee member of SkyWater's board of directors that was outstanding, whether vested or unvested, automatically became fully vested and settled in shares of SkyWater common stock. At the Effective Time, each share of SkyWater common stock automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F5 · price: Represents restricted stock units relating to shares of SkyWater common stock. Pursuant to the Merger Agreement, prior to the Effective Time, each award of restricted stock units relating to shares of SkyWater common stock held by a non-employee member of SkyWater's board of directors that was outstanding, whether vested or unvested, automatically became fully vested and settled in shares of SkyWater common stock. At the Effective Time, each share of SkyWater common stock automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F2 · ownership.nature: Owned directly by Mr. Unterseher.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 4,487,394 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 7

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F4 · ownership.nature: Mr. Unterseher is President of CMI Oxbow Partners, LLC ("CMI") and Managing Partner of Oxbow, which is the majority member of CMI. CMI directly holds the shares of SkyWater 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 SkyWater common stock. Mr. Unterseher disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 3 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 6

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F3 · ownership.nature: Shares held directly by Oxbow Industries, LLC ("Oxbow").

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 23,713 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 5

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F2 · ownership.nature: Owned directly by Mr. Unterseher.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 812,139 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 4

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By revocable trust

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Read SEC document
July 31, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 Disposition to issuerCommon Stock 1,069,543 Not disclosed Not disclosed
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 3

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By 2024 grantor retained annuity trust

Disclosed balance after: 0

F1 · security: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

F1 · price: Represents shares of common stock of SkyWater Technology, Inc. ("SkyWater") disposed of pursuant to the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 25, 2026, by and among SkyWater, IonQ, Inc. ("IonQ"), Merger Subsidiary 1 Inc. ("Merger Subsidiary 1"), and Iris Merger Subsidiary 2 LLC (now known as SkyWater Technology, LLC) ("Surviving Company"), including the merger of Iris Merger Subsidiary 1 with and into SkyWater (the "First Merger"), immediately followed by the merger of SkyWater with and into Surviving Company (the "Second Merger"). At the effective time of the First Merger (the "Effective Time"), each share of SkyWater common stock outstanding immediately prior to the Effective Time (subject to certain exceptions described in the Merger Agreement) automatically converted into the right to receive $15 in cash and 0.4883 shares of common stock of IonQ plus cash in lieu of any fractional shares.

Read SEC document
July 28, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 GiftCommon Stock 160,321 $0.00 $0.00
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By revocable trust

Disclosed balance after: 812,139

Read SEC document
July 28, 2026 Filed Jul 31, 2026 14:16 UTC SkyWater Technology, LLC SKYT · Entity 27424 GiftCommon Stock 160,321 $0.00 $0.00
Disclosure

SEC source: 0001741560-26-000008 · form4-07312026_020749.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By 2024 grantor retained annuity trust

Disclosed balance after: 1,069,543

Read SEC document
June 10, 2026 Filed Jun 13, 2026 00:40 UTC SkyWater Technology, LLC SKYT · Entity 27424 GrantCommon Stock 4,304 $0.00 $0.00
Disclosure

SEC source: 0001741560-26-000002 · form4-06132026_120647.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,017

F1 · shares: Represents a grant of restricted stock units ("RSUs"). The RSUs vest on the date immediately preceding the next occurring annual meeting of the Issuer's stockholders, contingent on the reporting person's continued service on such vesting date.

F2 · ownership.nature: Shares owned directly by Mr. Unterseher.

Read SEC document
November 26, 2025 Filed Dec 1, 2025 23:28 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 100,000 $14.54 $1,454,310.00
Disclosure

SEC source: 0001741560-25-000025 · form4-12012025_111201.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,487,394

F1 · price: Reflects the weighted average price of 100,000 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on November 26, 2025 with sale prices ranging from $14.50 to $14.68 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 · ownership.nature: 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.

Read SEC document
November 24, 2025 Filed Nov 26, 2025 02:19 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 100,000 $14.53 $1,452,670.00
Disclosure

SEC source: 0001741560-25-000023 · form4-11262025_021140.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,711,256

F3 · price: Reflects the weighted average price of 100,000 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on November 24, 2025 with sale prices ranging from $14.50 to $14.62 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 · ownership.nature: 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.

Read SEC document
November 24, 2025 Filed Dec 1, 2025 23:27 UTC Amendment SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 100,000 $14.53 $1,452,670.00
Disclosure

SEC source: 0001741560-25-000024 · form4a-12012025_111220.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,587,394

F4 · price: Reflects the weighted average price of 100,000 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on November 24, 2025 with sale prices ranging from $14.50 to $14.62 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 · balance_after: The reporting person's Form 4 filed on November 25, 2025 inadvertently reported incorrect holding amount.

F3 · ownership.nature: 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.

Read SEC document
November 21, 2025 Filed Nov 26, 2025 02:19 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 100,000 $14.13 $1,412,640.00
Disclosure

SEC source: 0001741560-25-000023 · form4-11262025_021140.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,611,256

F1 · price: Reflects the weighted average price of 100,000 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on November 21, 2025 with sale prices ranging from $14.00 to $14.29 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 · ownership.nature: 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.

Read SEC document
November 21, 2025 Filed Dec 1, 2025 23:27 UTC Amendment SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 100,000 $14.13 $1,412,640.00
Disclosure

SEC source: 0001741560-25-000024 · form4a-12012025_111220.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,687,394

F1 · price: Reflects the weighted average price of 100,000 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on November 21, 2025 with sale prices ranging from $14.00 to $14.29 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 · balance_after: The reporting person's Form 4 filed on November 25, 2025 inadvertently reported incorrect holding amount.

F3 · ownership.nature: 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.

Read SEC document
November 18, 2025 Filed Nov 20, 2025 21:14 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 9,662 $16.26 $157,064.51
Disclosure

SEC source: 0001741560-25-000020 · form4-11202025_091105.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,787,394

F1 · price: Reflects the weighted average price of 9,662 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on November 18, 2025 with sale prices ranging from $16.25 to $16.39 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 · ownership.nature: 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.

Read SEC document
November 17, 2025 Filed Nov 18, 2025 00:37 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 12,000 $17.45 $209,412.00
Disclosure

SEC source: 0001741560-25-000018 · form4-11182025_121118.xml · nonDerivative · entry 8

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,797,056

F4 · price: 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.

F3 · ownership.nature: 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.

Read SEC document
November 13, 2025 Filed Nov 18, 2025 00:37 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 2,200 $20.55 $45,203.84
Disclosure

SEC source: 0001741560-25-000018 · form4-11182025_121118.xml · nonDerivative · entry 7

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,809,056

F1 · price: 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 · balance_after: 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 · ownership.nature: 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.

Read SEC document
October 03, 2025 Filed Nov 18, 2025 00:37 UTC SkyWater Technology, LLC SKYT · Entity 27424 GiftCommon Stock 651,818 $0.00 $0.00
Disclosure

SEC source: 0001741560-25-000018 · form4-11182025_121118.xml · nonDerivative · entry 6

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Revocable Trust

Disclosed balance after: 651,818

Read SEC document
October 03, 2025 Filed Nov 18, 2025 00:37 UTC SkyWater Technology, LLC SKYT · Entity 27424 GiftCommon Stock 457,232 $0.00 $0.00
Disclosure

SEC source: 0001741560-25-000018 · form4-11182025_121118.xml · nonDerivative · entry 5

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust for benefit of daughter

Disclosed balance after: 687,811

Read SEC document
October 03, 2025 Filed Nov 18, 2025 00:37 UTC SkyWater Technology, LLC SKYT · Entity 27424 GiftCommon Stock 457,232 $0.00 $0.00
Disclosure

SEC source: 0001741560-25-000018 · form4-11182025_121118.xml · nonDerivative · entry 4

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust for benefit of daughter

Disclosed balance after: 687,811

Read SEC document
October 03, 2025 Filed Nov 18, 2025 00:37 UTC SkyWater Technology, LLC SKYT · Entity 27424 GiftCommon Stock 457,232 $0.00 $0.00
Disclosure

SEC source: 0001741560-25-000018 · form4-11182025_121118.xml · nonDerivative · entry 3

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust for benefit of son

Disclosed balance after: 687,812

Read SEC document
October 03, 2025 Filed Nov 18, 2025 00:37 UTC SkyWater Technology, LLC SKYT · Entity 27424 GiftCommon Stock 457,232 $0.00 $0.00
Disclosure

SEC source: 0001741560-25-000018 · form4-11182025_121118.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust for benefit of son

Disclosed balance after: 687,812

Read SEC document
October 03, 2025 Filed Nov 18, 2025 00:37 UTC SkyWater Technology, LLC SKYT · Entity 27424 GiftCommon Stock 2,480,746 $0.00 $0.00
Disclosure

SEC source: 0001741560-25-000018 · form4-11182025_121118.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By 2023 grantor retained annuity trust

Disclosed balance after: 0

Read SEC document
September 26, 2025 Filed Oct 1, 2025 00:30 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 120,370 $18.02 $2,169,308.14
Disclosure

SEC source: 0001741560-25-000015 · form4-09302025_080901.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,811,256

F1 · kind: Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2025.

F2 · price: Reflects the weighted average price of 120,370 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 26, 2025 with sale prices ranging from $18.00 to $18.15 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.

F3 · ownership.nature: 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.

Read SEC document
September 19, 2025 Filed Sep 23, 2025 12:15 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 120,000 $14.05 $1,686,276.00
Disclosure

SEC source: 0001741560-25-000010 · form4-09232025_120907.xml · nonDerivative · entry 3

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,931,626

F4 · price: Reflects the weighted average price of 120,000 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 19, 2025 with sale prices ranging from $14.00 to $14.20 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 · ownership.nature: 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.

Read SEC document
September 19, 2025 Filed Sep 24, 2025 16:01 UTC Amendment SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 120,000 $14.05 $1,686,276.00
Disclosure

SEC source: 0001741560-25-000012 · form4a-09242025_040918.xml · nonDerivative · entry 3

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,931,626

F1 · kind: Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2025.

F5 · price: Reflects the weighted average price of 120,000 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 19, 2025 with sale prices ranging from $14.00 to $14.20 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.

F3 · ownership.nature: 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.

Read SEC document
September 18, 2025 Filed Sep 23, 2025 12:15 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 45,100 $13.59 $612,872.92
Disclosure

SEC source: 0001741560-25-000010 · form4-09232025_120907.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,051,626

F3 · price: Reflects the weighted average price of 45,100 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 18, 2025 with sale prices ranging from $13.50 to $13.80 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 · ownership.nature: 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.

Read SEC document
September 18, 2025 Filed Sep 23, 2025 12:15 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 74,900 $12.81 $959,124.46
Disclosure

SEC source: 0001741560-25-000010 · form4-09232025_120907.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,096,726

F1 · price: Reflects the weighted average price of 74,900 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 18, 2025 with sale prices ranging from $12.50 to $13.49 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 · ownership.nature: 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.

Read SEC document
September 18, 2025 Filed Sep 24, 2025 16:01 UTC Amendment SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 45,100 $13.59 $612,872.92
Disclosure

SEC source: 0001741560-25-000012 · form4a-09242025_040918.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,051,626

F1 · kind: Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2025.

F4 · price: Reflects the weighted average price of 45,100 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 18, 2025 with sale prices ranging from $13.50 to $13.80 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.

F3 · ownership.nature: 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.

Read SEC document
September 18, 2025 Filed Sep 24, 2025 16:01 UTC Amendment SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 74,900 $12.81 $959,124.46
Disclosure

SEC source: 0001741560-25-000012 · form4a-09242025_040918.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,096,726

F1 · kind: Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2025.

F2 · price: Reflects the weighted average price of 74,900 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 18, 2025 with sale prices ranging from $12.50 to $13.49 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.

F3 · ownership.nature: 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.

Read SEC document
September 12, 2025 Filed Sep 17, 2025 00:24 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 188,976 $10.47 $1,978,937.77
Disclosure

SEC source: 0001741560-25-000007 · form4-09172025_120904.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,171,626

F1 · price: Reflects the weighted average price of 188,976 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 12, 2025 with sale prices ranging from $10.14 to $10.81 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 · ownership.nature: 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.

Read SEC document
September 11, 2025 Filed Sep 11, 2025 22:45 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 229,029 $10.44 $2,390,100.84
Disclosure

SEC source: 0001415889-25-024308 · form4-09112025_100900.xml · nonDerivative · entry 3

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,360,602

F4 · price: Reflects the weighted average price of 229,029 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 11, 2025 with sale prices ranging from $10.00 to $10.50 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 · ownership.direct: Includes 120,000 sold automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2025.

F2 · ownership.nature: 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.

Read SEC document
September 10, 2025 Filed Sep 11, 2025 22:45 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 4,396 $10.64 $46,754.98
Disclosure

SEC source: 0001415889-25-024308 · form4-09112025_100900.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,589,631

F3 · price: Reflects the weighted average price of 4,396 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 10, 2025 with sale prices ranging from $10.60 to $10.67 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 · ownership.nature: 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.

Read SEC document
September 09, 2025 Filed Sep 11, 2025 22:45 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 6,218 $10.87 $67,582.20
Disclosure

SEC source: 0001415889-25-024308 · form4-09112025_100900.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,594,027

F1 · price: Reflects the weighted average price of 6,218 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on September 9, 2025 with sale prices ranging from $10.80 to $10.97 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 · ownership.nature: 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.

Read SEC document
August 29, 2025 Filed Sep 3, 2025 20:35 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 60,767 $12.08 $734,132.20
Disclosure

SEC source: 0001415889-25-023540 · form4-09032025_080912.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,600,245

F1 · price: Reflects the weighted average price of 60,767 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 29, 2025 with sale prices ranging from $12.00 to $12.26 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 · ownership.nature: 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.

Read SEC document
August 28, 2025 Filed Aug 28, 2025 21:01 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 311,959 $12.28 $3,832,229.14
Disclosure

SEC source: 0001415889-25-023235 · form4-08282025_090815.xml · nonDerivative · entry 3

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,661,012

F4 · price: Reflects the weighted average price of 311,959 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 28, 2025 with sale prices ranging from $12.00 to $12.53 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 · ownership.nature: 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.

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August 27, 2025 Filed Aug 28, 2025 21:01 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 188,041 $12.11 $2,276,744.02
Disclosure

SEC source: 0001415889-25-023235 · form4-08282025_090815.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,972,971

F3 · price: Reflects the weighted average price of 188,041 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 27, 2025 with sale prices ranging from $12.00 to $12.395 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 · ownership.nature: 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.

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August 26, 2025 Filed Aug 28, 2025 21:01 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 756,516 $12.06 $9,126,533.37
Disclosure

SEC source: 0001415889-25-023235 · form4-08282025_090815.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,161,012

F1 · price: Reflects the weighted average price of 756,516 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 26, 2025 with sale prices ranging from $11.65 to $12.33 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 · ownership.nature: 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.

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August 25, 2025 Filed Aug 25, 2025 20:51 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 243,484 $11.82 $2,878,029.58
Disclosure

SEC source: 0001415889-25-022930 · form4-08252025_080859.xml · nonDerivative · entry 3

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,917,528

F4 · price: 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.

F2 · ownership.nature: 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.

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August 22, 2025 Filed Aug 25, 2025 20:51 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 292,628 $11.50 $3,365,397.58
Disclosure

SEC source: 0001415889-25-022930 · form4-08252025_080859.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,161,012

F3 · price: 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.

F2 · ownership.nature: 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.

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August 21, 2025 Filed Aug 25, 2025 20:51 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 37,979 $11.16 $424,012.75
Disclosure

SEC source: 0001415889-25-022930 · form4-08252025_080859.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,453,640

F1 · price: 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 · ownership.nature: 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.

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August 18, 2025 Filed Aug 18, 2025 22:09 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 97,957 $11.62 $1,138,338.71
Disclosure

SEC source: 0001415889-25-022204 · form4-08182025_100829.xml · nonDerivative · entry 3

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,491,619

F4 · price: Reflects the weighted average price of 97,957 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 18, 2025 with sale prices ranging from $11.50 to $11.73 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 · ownership.nature: 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.

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August 15, 2025 Filed Aug 18, 2025 22:09 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 5,684 $11.51 $65,395.56
Disclosure

SEC source: 0001415889-25-022204 · form4-08182025_100829.xml · nonDerivative · entry 2

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,589,576

F3 · price: Reflects the weighted average price of 5,684 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 15, 2025 with sale prices ranging from $11.50 to $11.52 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 · ownership.nature: 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.

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August 14, 2025 Filed Aug 18, 2025 22:09 UTC SkyWater Technology, LLC SKYT · Entity 27424 SaleCommon Stock 217,329 $11.80 $2,564,417.00
Disclosure

SEC source: 0001415889-25-022204 · form4-08182025_100829.xml · nonDerivative · entry 1

Unterseher Loren A · CIK 0001741560 · Director · 10% owner

CMI Oxbow Partners, LLC · CIK 0001857392 · Director · 10% owner

Oxbow Industries, LLC · CIK 0001857514 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,595,260

F1 · price: Reflects the weighted average price of 217,329 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on August 14, 2025 with sale prices ranging from $11.60 to $12.08 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 · ownership.nature: 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.