Sec Form 4 Filing - CMI Oxbow Partners, LLC @ SkyWater Technology, Inc - 2022-09-15

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person CMI Oxbow Partners, LLC 2. Issuer Name and Ticker or Trading Symbol SkyWater Technology, Inc [ SKYT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 4450 EXCELSIOR BOULEVARD, SUITE 440 3. Date of Earliest Transaction (MM/DD/YY) 09/15/2022 (Street) MINNEAPOLIS, MN55416 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/15/2022 S 85,584 D $ 8.979( 1 ) 22,048,408( 2 )( 3 )( 4 ) D Common Stock 09/16/2022 S 88,084 D $ 8.6637( 5 ) 21,960,324( 2 )( 3 )( 4 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other CMI Oxbow Partners, LLC 4450 EXCELSIOR BOULEVARD SUITE 440 MINNEAPOLIS, MN55416 X X Oxbow Industries, LLC 4450 EXCELSIOR BOULEVARD SUITE 440 MINNEAPOLIS, MN55416 X X Signatures /s/ Loren Unterseher 09/19/2022 Signature of Reporting Person Date /s/ Loren Unterseher 09/19/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects the weighted average price of 85,584 shares of common stock of SkyWater Technology, Inc. sold by the reporting person in multiple transactions on September 15, 2022 with sale prices ranging from $8.82 to $9.45 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. ( 2 )In addition to CMI Oxbow Partners, LLC ("CMI"), this Form 4 is being filed jointly with Oxbow Industries, LLC ("Oxbow" and, together with CMI, the "Reporting Person"), which has the same address as CMI and may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the "Reported Securities"). Loren A. Unterseher, Managing Partner of Oxbow and President of CMI, may also be deemed to have a pecuniary interest in the Reported Securities and has elected to submit filings pursuant to Section 16(a) on an individual basis. ( 3 )Oxbow, as the majority member of CMI, may be deemed to be the beneficial owner of the Reported Securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934. Oxbow disclaims beneficial ownership of the Reported Securities, except to the extent of any pecuniary interest therein. ( 4 )Mr. Unterseher was initially elected to the board of directors of the Issuer as a representative of the Reporting Persons. As a result, each of the other Reporting Persons may be directors by deputization for purposes of Section 16 of the Securities Exchange Act of 1934. ( 5 )Reflects the weighted average price of 88,084 shares of common stock of SkyWater Technology, Inc. sold by the reporting person in multiple transactions on September 16, 2022 with sale prices ranging from $8.50 to $8.97 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.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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