SkyWater Technology (SKYT) officer uses 1,317 shares for tax withholding

Rhea-AI Filing Summary

SkyWater Technology Chief Risk & Compliance Officer Christopher Hilberg reported a routine share disposition related to tax withholding. On March 16, 2026, 1,317 shares of common stock at $27.86 per share were delivered to cover statutory taxes on vested restricted stock units. After this non-market tax-withholding transaction, Hilberg directly holds 62,929 shares of SkyWater common stock.

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

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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^*

Hilberg Christopher

(Last) (First) (Middle)

2401 EAST 86TH STREET

(Street)

BLOOMINGTON MINNESOTA 55425

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SkyWater Technology, Inc [ SKYT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Risk & Compl. Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

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

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

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

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	03/16/2026		F(1)		1,317	D	$27.86	62,929	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. Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of restricted stock units.

Remarks:

	/s/ Steve Manko, Attorney-in-Fact	03/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did SkyWater Technology (SKYT) report for Christopher Hilberg?

SkyWater Technology reported that Christopher Hilberg disposed of 1,317 common shares to cover statutory tax withholding on vested restricted stock units. This was a non-market tax-withholding transaction, not an open-market trade, and followed the vesting of his equity compensation.

Was the SkyWater (SKYT) insider Form 4 a tax-withholding event or an open-market sale?

The Form 4 shows a tax-withholding event, not an open-market sale. 1,317 shares were delivered to satisfy statutory tax obligations from restricted stock unit vesting, classified under code F for payment of tax liability by delivering securities.

How many SkyWater (SKYT) shares does Christopher Hilberg hold after this Form 4 transaction?

After the tax-withholding disposition, Christopher Hilberg directly holds 62,929 shares of SkyWater common stock. This remaining position reflects his ownership following the use of 1,317 shares to cover tax obligations tied to restricted stock unit vesting.

What price per share was used in the SkyWater (SKYT) tax-withholding disposition?

The tax-withholding disposition used a price of $27.86 per share for the 1,317 SkyWater common shares. This value is used solely for reporting the transaction in the Form 4 and reflects the shares delivered to satisfy statutory tax obligations.

What does transaction code F mean in the SkyWater (SKYT) insider filing?

Transaction code F in the Form 4 indicates shares were used to pay an exercise price or tax liability. In this case, 1,317 shares were delivered to cover statutory tax withholding obligations arising from the vesting of restricted stock units held by the officer.