Entity tied to Shimmick (SHIM) director sells 125K shares

Rhea-AI Filing Summary

Shimmick Corp director and ten percent owner Mitchell B. Goldsteen reported an indirect open-market sale of 125,000 shares of common stock at a weighted average price of $2.86 per share. The shares were sold through GOHO, LLC, where he is the sole managing member, and the transaction was executed under a Rule 10b5-1 sales plan adopted on December 5, 2025. Following the sale, GOHO, LLC continued to hold 20,974,873 shares indirectly attributed to Goldsteen, indicating that a large position remains.

Insights

Insider trading and governance analyst

Pre-planned insider sale of a small portion of a large position.

The filing shows an indirect open-market sale of 125,000 Shimmick Corp shares at a weighted average price of $2.86 per share. The seller is GOHO, LLC, an entity through which Mitchell B. Goldsteen holds his stake, and he disclaims beneficial ownership beyond his pecuniary interest.

The transaction was carried out under a pre-arranged Rule 10b5-1 sales plan adopted on December 5, 2025, suggesting it was scheduled in advance rather than timed discretionarily. After the sale, GOHO, LLC still holds 20,974,873 shares, so this represents a relatively small portion of the reported indirect holdings.

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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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 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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

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, par value $0.01 per share	03/17/2026	03/17/2026	S(1)		125,000	D	$2.86(2)	20,974,873	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 December 5, 2025.

2. The price reported in column 4 is a weighted average price. The shares were acquired in multiple transactions at prices ranging from $2.50 to $3.42, 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.

	/s/ John Carpenter, Power of Attorney for Mitchell B. Goldsteen	03/20/2026
	** 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 Shimmick Corp (SHIM) report for Mitchell B. Goldsteen?

Shimmick Corp reported that an entity associated with director and ten percent owner Mitchell B. Goldsteen sold 125,000 shares of common stock. The shares were sold in an open-market transaction at a weighted average price of $2.86 per share, according to the Form 4.

Who actually sold the 125,000 SHIM shares disclosed in this Form 4?

The shares were sold by GOHO, LLC, which holds Shimmick Corp stock indirectly for Mitchell B. Goldsteen. He is the sole managing member of GOHO, LLC and disclaims beneficial ownership of the securities except to the extent of any pecuniary interest in them.

Was the Shimmick Corp (SHIM) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on December 5, 2025. Such plans pre-schedule trades, which can make the timing less informative about the insider’s short-term view.

What price range applied to the 125,000 SHIM shares sold by GOHO, LLC?

The reported weighted average sale price was $2.86 per share, with individual trades executed between $2.50 and $3.42 per share. The filing notes that detailed breakdowns by price level are available to the issuer, SEC staff, or any security holder upon request.

How many Shimmick Corp (SHIM) shares remain held after this reported sale?

After selling 125,000 shares, GOHO, LLC still holds 20,974,873 shares of Shimmick Corp common stock indirectly attributed to Mitchell B. Goldsteen. This indicates the transaction involved only a small portion of the total reported indirect holdings.

Does Mitchell B. Goldsteen have direct or indirect ownership of the SHIM shares in this Form 4?

Ownership is indirect. The securities are held through GOHO, LLC, and the filing lists the nature of ownership as “By GOHO, LLC.” Goldsteen disclaims beneficial ownership of these securities except to the extent of any pecuniary interest he may have in them.