[Form 4] SkyWater Technology, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Thomas Sonderman, who serves as CEO and a director of SkyWater Technology, Inc. (SKYT), reported an insider sale on 09/10/2025. He disposed of 8,355 shares of SkyWater common stock in multiple transactions at a weighted-average price of $10.58 (transactions ranged from $10.50 to $10.61). After the sale he beneficially owned 532,174 shares. The Form 4 was submitted indicating a single reporting person and was signed by an attorney-in-fact on 09/11/2025.

Positive

• Timely and specific disclosure of the insider sale including date, quantities, price range, and post-transaction holdings
• Reporting person identified with roles (CEO and Director), supporting transparency for investors and regulators

Negative

• None.

Insights

Financial Analyst

TL;DR Routine insider sale by the CEO representing a small portion of his holdings; disclosure follows Section 16 requirements.

The sale of 8,355 shares at a weighted-average price of $10.58 appears to be a routine disposition rather than a major liquidity event. Relative to the reported post-transaction ownership of 532,174 shares, the sale reduces holdings by roughly 1.6%, which is immaterial for corporate control or near-term cash flow of the company. The filing provides clear price range information and post-sale holdings, enabling investors to verify compliance with reporting rules. There is no additional financial data or context in the filing to assess motives or timing.

Corporate Governance Expert

TL;DR The Form 4 demonstrates timely insider reporting and transparency; transaction size appears non-material to governance.

As both CEO and a director, Mr. Sonderman is a Section 16 filer; the Form 4 discloses the sale date, share quantity, weighted-average price, and remaining beneficial ownership. The signature by an attorney-in-fact is noted, which is acceptable under the rules when properly authorized. The transaction reduces insider ownership modestly and does not, on its face, raise governance or control concerns based on the data provided in this filing alone.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

SONDERMAN THOMAS

(Last) (First) (Middle)

2401 EAST 86TH STREET

(Street)

BLOOMINGTON MN 55425

(City) (State) (Zip)

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		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO

3. Date of Earliest Transaction (Month/Day/Year)
09/10/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	09/10/2025		S		8,355	D	$10.58(1)	532,174	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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $10.50 to $10.61, inclusive.

Remarks:

	/s/ Christopher Hilberg, Attorney-in-Fact	09/11/2025
	** Signature of Reporting Person	Date
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.

FAQ

When did the SkyWater (SKYT) insider transaction occur?

The reported transaction date is 09/10/2025 and the Form 4 was signed on 09/11/2025.

How many SkyWater shares did Thomas Sonderman sell and at what price?

He sold 8,355 shares at a weighted-average price of $10.58; recorded transaction prices ranged from $10.50 to $10.61.

How many SkyWater shares does Thomas Sonderman own after the sale?

The Form 4 reports he beneficially owned 532,174 shares following the transaction.

What is Thomas Sonderman's role at SkyWater reported on the Form 4?

He is reported as both a Director and the CEO of SkyWater Technology, Inc.

Who signed the Form 4 filing for this transaction?

The filing was signed by Christopher Hilberg, Attorney-in-Fact on 09/11/2025.