Mitchell B. Goldsteen - 17 Mar 2026 Form 4 Insider Report for Shimmick Corp (SHIM)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: SHIM
Reported as of: 17 Mar 2026
Net transaction value: -$357,500
SEC form: 4
Accepted by SEC: 20 Mar 2026, 18:15:16 UTC
Prior SEC filing: 02 Sep 2025
Source filing: View source filing
Reporting owner signature: /s/ John Carpenter, Power of Attorney for Mitchell B. Goldsteen

Key filing fact

Mitchell B. Goldsteen filed Form 4 for Shimmick Corp (SHIM) on 20 Mar 2026.

Key facts

This page summarizes Mitchell B. Goldsteen's Form 4 filing for Shimmick Corp (SHIM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 20 Mar 2026, 18:15.

Change

Previous filing in this sequence was filed on 02 Sep 2025.
Current net transaction value: -$357,500.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001997607 Primary reporting owner

Goldsteen Mitchell B.

Relationship: Director, 10%+ Owner
Address: C/O SHIMMICK CORPORATION, 530 TECHNOLOGY DRIVE, SUITE 300, IRVINE
Signature: /s/ John Carpenter, Power of Attorney for Mitchell B. Goldsteen
Signature date: 20 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SHIM transaction

Common Stock, par value $0.01 per share

Sale

Transaction value: $357,500
Shares: -125,000
Change %: -0.59%
Price: $2.86
Shares after: 20,974,873
Date: 17 Mar 2026
Ownership: By GOHO, LLC
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

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.