Mitchell Goldsteen Sells 25,426 SHIM Shares, Retains 21.17M Indirect Stake

Rhea-AI Filing Summary

Mitchell B. Goldsteen, a director and 10% owner of Shimmick Corp (SHIM), reported planned dispositions of common stock under a Rule 10b5-1 sales plan. The filings show disposals totaling 25,426 shares across Aug 11-13, 2025: 15,310 shares at a weighted average price of $1.96, 2,116 shares at $1.98, and 8,000 shares at $2.10. The sales were effected pursuant to a 10b5-1 plan adopted Aug 20, 2024. Goldsteen holds the securities indirectly through GOHO, LLC and states he disclaims beneficial ownership except for any pecuniary interest; after these transactions the reported indirect holding is 21,171,413 shares. The filing discloses weighted-average price ranges and offers fuller trade breakdowns on request.

Insights

Financial Analyst

TL;DR: Planned 10b5-1 sales totaling 25,426 SHIM shares; size is small relative to the reported indirect stake, so market impact appears limited.

The Form 4 reports three dispositions under code S across Aug 11-13, 2025, totaling 25,426 shares at reported weighted-average prices of $1.96, $1.98 and $2.10 respectively. The transactions were executed pursuant to a Rule 10b5-1 plan adopted Aug 20, 2024, which typically indicates pre-scheduled sales rather than contemporaneous insider trading. The reporting person retains an indirect stake of 21,171,413 shares via GOHO, LLC. Given the absolute transaction size relative to the reported holding, these sales are likely immaterial to valuation absent additional context.

Corporate Governance Expert

TL;DR: Use of a 10b5-1 plan demonstrates procedural compliance; continued large indirect ownership maintains alignment with shareholders.

The disclosure names Mitchell B. Goldsteen as a director and 10% owner and states the shares are owned indirectly through GOHO, LLC, of which he is sole managing member. The filing includes standard disclaimers of beneficial ownership except for pecuniary interest and notes that the sales were made under a pre-existing 10b5-1 plan. From a governance perspective, the combined facts — planned dispositions plus a substantial remaining indirect holding of 21,171,413 shares — point to routine monetization rather than a governance red flag in isolation.

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
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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).

X

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^*

Goldsteen Mitchell B.

(Last) (First) (Middle)

C/O SHIMMICK CORPORATION

530 TECHNOLOGY DRIVE, SUITE 300

(Street)

IRVINE CA 92618

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2025

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, par value $0.01 per share	08/11/2025	08/11/2025	S(1)		15,310	D	$1.96(2)	21,181,529	I	By GOHO, LLC(3)
Common Stock, par value $0.01 per share	08/12/2025	08/12/2025	S(1)		2,116	D	$1.98(4)	21,179,413	I	By GOHO, LLC(3)
Common Stock, par value $0.01 per share	08/13/2025	08/13/2025	S(1)		8,000	D	$2.1(5)	21,171,413	I	By GOHO, LLC(3)

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 sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 20, 2024.

2. The price reported in column 4 is a weighted average price. The shares were acquired in multiple transactions at prices ranging from $1.90 to $2.02, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

3. The reporting person owns the securities indirectly through GOHO, LLC, of which Mr. Goldsteen is the sole managing member. Mr. Goldsteen disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein.

4. The price reported in column 4 is a weighted average price. The shares were acquired in multiple transactions at prices ranging from $1.94 to $2.01, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

5. The price reported in column 4 is a weighted average price. The shares were acquired in multiple transactions at prices ranging from $1.94 to $2.17, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

	/s/ John Carpenter, Power of Attorney for Mitchell B. Goldsteen	08/13/2025
	** 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).
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FAQ

What did Mitchell Goldsteen disclose in the Form 4 for SHIM?

He disclosed dispositions of 25,426 SHIM shares across Aug 11-13, 2025 executed under a Rule 10b5-1 sales plan.

How many shares were sold and at what reported prices?

The filing reports 15,310 shares at a weighted average of $1.96 (Aug 11), 2,116 shares at $1.98 (Aug 12), and 8,000 shares at $2.10 (Aug 13).

Did the filing state the sales were pre-planned under a 10b5-1 plan?

Yes. The Form 4 states the sales were effected pursuant to a Rule 10b5-1 sales plan adopted on Aug 20, 2024.

How does Goldsteen hold the shares and how many remain?

Goldsteen holds the securities indirectly through GOHO, LLC and the reported indirect beneficial ownership after these transactions is 21,171,413 shares.

Who signed the Form 4 filing on behalf of the reporting person?

The form is signed by John Carpenter as Power of Attorney for Mitchell B. Goldsteen.