Shimmick CFO acquires 113K stock units

Shimmick Corp’s CFO received 113,315 RSUs that will vest and settle into common stock over 2027–2029, increasing his direct holdings to 234,691 shares.

Rhea-AI Filing Summary

Shimmick Corp (SHIM) reported that its Chief Financial Officer, Todd Wilbur Yoder, acquired 113,315 Restricted Stock Units (RSUs) on August 31, 2026 through an exercise or conversion of a derivative security. The RSUs convert into common stock on a one-for-one basis and will vest and settle in three equal installments in 2027, 2028 and 2029, subject to his continued employment, bringing his directly held common stock to 234,691 shares after this transaction.

Insider Trade Summary

113,315 shares exercised/converted

Exercise 1 txn

Insider Yoder Todd Wilbur

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units F1, F2	113,315	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 234,691 contracts (Direct)

Footnotes (2)

1. F1. RSUs convert into common stock on a one-for-one basis.
2. F2. The RSUs will vest in full and settle into shares of common stock in three equal installments on April 2, 2027, April 3, 2028 and April 2, 2029, subject to Reporting Person's continued employment.

Key Figures

RSUs acquired: 113,315 units Shares underlying RSUs: 113,315 shares Common shares held after transaction: 234,691 shares +2 more

5 metrics

RSUs acquired 113,315 units Restricted Stock Units acquired on August 31, 2026 via derivative exercise/conversion

Shares underlying RSUs 113,315 shares Common stock issuable on a one-for-one basis upon RSU settlement

Common shares held after transaction 234,691 shares Direct ownership position of CFO following the reported transaction

Vesting installments 3 installments RSUs vest and settle in three equal installments in 2027, 2028, and 2029

Transaction price per share $0.00 per unit Reported price per RSU for the August 31, 2026 derivative exercise/conversion

Key Terms

Restricted Stock Units, exercise or conversion of derivative security, vest in full and settle

3 terms

Restricted Stock Units financial

"security title is reported as Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

exercise or conversion of derivative security financial

"transaction described as an exercise or conversion of derivative security"

vest in full and settle financial

"RSUs will vest in full and settle into shares of common stock"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider equity award did SHIM’s CFO report on this Form 4?

Shimmick Corp’s CFO, Todd Wilbur Yoder, reported acquiring 113,315 Restricted Stock Units (RSUs) on August 31, 2026 through an exercise or conversion of a derivative security that will settle into common stock on a one-for-one basis.

How many SHIM common shares does the CFO hold after this RSU transaction?

Following the reported RSU transaction, the CFO directly holds 234,691 shares of Shimmick Corp common stock. This figure reflects his direct ownership position after the August 31, 2026 derivative exercise/conversion event.

When will the newly reported SHIM RSUs for the CFO vest and settle?

The 113,315 RSUs will vest in full and settle into shares of Shimmick Corp common stock in three equal installments on April 2, 2027, April 3, 2028, and April 2, 2029, subject to the CFO’s continued employment with the company.

What is the conversion ratio of the CFO’s RSUs into SHIM common stock?

Each RSU converts into one share of Shimmick Corp common stock. The footnote states that the RSUs convert into common stock on a one-for-one basis, so 113,315 RSUs correspond to 113,315 shares upon settlement, assuming vesting conditions are met.

Was the SHIM CFO’s RSU transaction made under a Rule 10b5-1 trading plan?

No. The filing explicitly indicates that the Rule 10b5-1 checkbox is not marked, so this reported RSU-related transaction was not affirmed as being made under a Rule 10b5-1 trading plan.

Is the RSU award for SHIM’s CFO immediately vested or subject to conditions?

The RSU award is subject to vesting conditions. It will vest and settle into shares of common stock in three equal installments in 2027, 2028, and 2029, and this schedule depends on the CFO’s continued employment with Shimmick Corp.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/02/2026 - 04:33 PM EDT Accepted by SEC EDGAR 09/02/2026 - 04:30 PM EDT Learn about SEC filing dates

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^*

Yoder Todd Wilbur

(Last) (First) (Middle)

530 TECHNOLOGY DRIVE

SUITE 300

(Street)

IRVINE CALIFORNIA 92618

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Shimmick Corp [ SHIM ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026

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

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
Restricted Stock Units	(1)	08/31/2026		M		113,315		(2)	(2)	Common Stock, par value $0.01 per sharere	113,315	$0	234,691	D

Explanation of Responses:

1. RSUs convert into common stock on a one-for-one basis.

2. The RSUs will vest in full and settle into shares of common stock in three equal installments on April 2, 2027, April 3, 2028 and April 2, 2029, subject to Reporting Person's continued employment.

	/s/ Ural Yal, Power of Attorney for Todd W. Yoder	09/02/2026
	** 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)