# EDGAR Filing Document

**Accession Number:** 0001741560
**File Stem:** 0001415889-23-004651
**Filing Date:** 2023-3
**Character Count:** 9900
**Document Hash:** 98c471ea0b25a9be1df777bf0e094c8b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001415889-23-004651.hdr.sgml**: 20230310

**ACCESSION NUMBER**: 0001415889-23-004651

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230308

**FILED AS OF DATE**: 20230310

**DATE AS OF CHANGE**: 20230310

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Unterseher Loren A
- **CENTRAL INDEX KEY:** 0001741560

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40345
- **FILM NUMBER:** 23723793

**MAIL ADDRESS:**
- **STREET 1:** 8799 BROOKLYN BLVD
- **CITY:** MINNEAPOLIS
- **STATE:** MN
- **ZIP:** 55445
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Oxbow Industries, LLC
- **CENTRAL INDEX KEY:** 0001857514
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40345
- **FILM NUMBER:** 23723791

**BUSINESS ADDRESS:**
- **STREET 1:** 4450 EXCELSIOR BOULEVARD
- **STREET 2:** SUITE 440
- **CITY:** MINNEAPOLIS
- **STATE:** MN
- **ZIP:** 55416
- **BUSINESS PHONE:** 612-850-9481

**MAIL ADDRESS:**
- **STREET 1:** 4450 EXCELSIOR BOULEVARD
- **STREET 2:** SUITE 440
- **CITY:** MINNEAPOLIS
- **STATE:** MN
- **ZIP:** 55416
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** CMI Oxbow Partners, LLC
- **CENTRAL INDEX KEY:** 0001857392
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40345
- **FILM NUMBER:** 23723792

**BUSINESS ADDRESS:**
- **STREET 1:** C/O OXBOW INDUSTRIES, LLC
- **STREET 2:** 4450 EXCELSIOR BOULEVARD, SUITE 440
- **CITY:** MINNEAPOLIS
- **STATE:** MN
- **ZIP:** 55416
- **BUSINESS PHONE:** 612-850-9481

**MAIL ADDRESS:**
- **STREET 1:** C/O OXBOW INDUSTRIES, LLC
- **STREET 2:** 4450 EXCELSIOR BOULEVARD, SUITE 440
- **CITY:** MINNEAPOLIS
- **STATE:** MN
- **ZIP:** 55416
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SkyWater Technology, Inc
- **CENTRAL INDEX KEY:** 0001819974
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **IRS NUMBER:** 371839853
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0101

**BUSINESS ADDRESS:**
- **STREET 1:** 2401 EAST 86TH STREET
- **CITY:** BLOOMINGTON
- **STATE:** MN
- **ZIP:** 55425
- **BUSINESS PHONE:** 952-851-5200

**MAIL ADDRESS:**
- **STREET 1:** 2401 EAST 86TH STREET
- **CITY:** BLOOMINGTON
- **STATE:** MN
- **ZIP:** 55425

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CMI Acquisition, LLC
- **DATE OF NAME CHANGE:** 20200803

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Unterseher Loren A<br><sub>(Last) (First) (Middle)</sub><br>4450 EXCELSIOR BLVD<br>SUITE 440<br><sub>(Street)</sub><br>MINNEAPOLIS, MN 55416<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-08 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SkyWater Technology, Inc [ SKYT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>CMI Oxbow Partners, LLC<br><sub>(Last) (First) (Middle)</sub><br>4450 EXCELSIOR BOULEVARD<br>SUITE 440<br><sub>(Street)</sub><br>MINNEAPOLIS, MN 55416<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-08 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SkyWater Technology, Inc [ SKYT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Oxbow Industries, LLC<br><sub>(Last) (First) (Middle)</sub><br>4450 EXCELSIOR BOULEVARD<br>SUITE 440<br><sub>(Street)</sub><br>MINNEAPOLIS, MN 55416<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-08 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SkyWater Technology, Inc [ SKYT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2023-03-08 |  | S |  | 228470 | D | 14.3399<sup>(1)</sup> | 20345789 | D |  |
| Common Stock | 2023-03-09 |  | S |  | 44163 | D | 14.2226<sup>(2)</sup> | 20301626 | D |  |
| Common Stock |  |  |  |  |  |  |  | 22090<sup>(3)</sup> | D |  |
| Common Stock |  |  |  |  |  |  |  | 1468 | I | By family irrevocable trust |
| Common Stock |  |  |  |  |  |  |  | 5910 | I | By grantor retained annuity trust |
| Common Stock |  |  |  |  |  |  |  | 370 | I | By spouse |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Reflects the weighted average price of 228,470 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on March 8, 2023 with sale prices ranging from $14.00 to $14.66 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) Reflects the weighted average price of 44,163 shares of common stock of SkyWater Technology, Inc. sold in multiple transactions on March 9, 2023 with sale prices ranging from $14.01 to $14.56 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.

(3) Shares owned directly by Mr. Unterseher.

**Signature:** /s/ Loren A. Unterseher  
**Date:** 2023-03-10

### Remarks:

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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**