Shimmick (SHIM) GOHO, Mitchell Goldsteen report 57.8% stake

Rhea-AI Filing Summary

Shimmick Corporation reports joint Schedule 13G/A amendment showing 20,974,873 shares beneficially owned by GOHO, LLC and Mitchell B. Goldsteen. The filing states this equals 57.8% of the Common Stock class based on 36,300,928 shares outstanding as of April 20, 2026.

The filing notes shared voting and dispositive power over the reported shares and identifies a joint filing agreement between the reporting persons. Signatures are dated May 15, 2026.

Insights

Corporate Governance Analyst

Majority stake (57.8%) reported by GOHO and Mitchell Goldsteen.

The filing documents that GOHO, LLC directly holds 20,974,873 shares and that Mitchell B. Goldsteen is the sole managing member, with shared voting and dispositive power over those shares. The percentage is calculated from 36,300,928 shares outstanding as of April 20, 2026.

This concentration implies control potential under corporate governance norms; subsequent disclosures and definitive filings may clarify any changes to board composition or control arrangements.

Securities Compliance Attorney

Schedule 13G/A amendment and joint filing agreement are disclosed.

The amendment cites a joint filing agreement and provides signature blocks dated May 15, 2026. It lists shared voting and dispositive power and supplies the issuer address and CUSIP 82455M109, meeting Schedule 13G/A identification requirements.

Filing mechanics and disclosures appear routine; any change in intent or status would require further amendment or a different schedule classification.

Key Figures

Beneficial ownership: 20,974,873 shares Percent of class: 57.8% Shares outstanding (reference): 36,300,928 shares +1 more

4 metrics

Beneficial ownership 20,974,873 shares Directly held by GOHO, LLC

Percent of class 57.8% Based on 36,300,928 shares outstanding as of April 20, 2026

Shares outstanding (reference) 36,300,928 shares As of <date>April 20, 2026</date> per cited proxy statement

CUSIP 82455M109 Common Stock, par value $0.01

Key Terms

Schedule 13G/A, beneficially owned, shared dispositive power, joint filing agreement

4 terms

Schedule 13G/A regulatory

"Amendment No. 2 Shimmick Corporation Common Stock"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficially owned financial

"Item 4. Ownership (a) Amount beneficially owned: 20,974,873"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

shared dispositive power regulatory

"Shared Dispositive Power 20,974,873.00"

joint filing agreement legal

"This is filed jointly by each of the following persons (each a "Reporting Person") pursuant to a joint filing agreement"

FAQ

What stake does GOHO, LLC report in SHIM?

GOHO, LLC reports beneficial ownership of 20,974,873 shares, representing 57.8% of common stock. This figure is based on 36,300,928 shares outstanding as of April 20, 2026 per the filing's cited proxy statement.

Who is the individual filing with GOHO for SHIM?

Mitchell B. Goldsteen filed jointly with GOHO, LLC and is identified as the sole managing member of GOHO. Signature blocks in the amendment are dated May 15, 2026 and list his role as Executive Chairman.

How much voting power is reported in the Schedule 13G/A for SHIM?

The filing reports shared voting power of 20,974,873 shares and shared dispositive power of 20,974,873 shares. Sole voting and dispositive power are reported as 0 in the amendment.

What document is the Schedule 13G/A amendment referencing for outstanding shares?

The percentage calculation references Shimmick Corporation's Definitive Proxy Statement filed on April 22, 2026, stating 36,300,928 shares outstanding as of April 20, 2026 used to compute the 57.8% figure.

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Accepted by SEC EDGAR 05/15/2026 - 04:05 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

Shimmick Corporation

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

82455M109

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 82455M109

1

Names of Reporting Persons

Mitchell B. Goldsteen

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 20,974,873.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 20,974,873.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

20,974,873.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

57.8 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Rows 6, 8 and 9: The amount reported represents 20,974,873 shares of Common Stock, par value $0.01 per share, of the Issuer (the "Shares") directly held by GOHO, LLC ("GOHO"). Mitchell Goldsteen is the sole managing member of GOHO. Row 11: The aggregate percentage of Shares reported owned by each person named herein is based upon 36,300,928 Shares outstanding as of April 20, 2026, as reported on the Issuer's Definitive Proxy Statement filed with the Securities and Exchange Commission on April 22, 2026.

SCHEDULE 13G

CUSIP Number(s): 82455M109

1

Names of Reporting Persons

GOHO, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 20,974,873.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 20,974,873.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

20,974,873.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

57.8 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: Rows 6, 8 and 9: The amount reported represents 20,974,873 Shares directly held by GOHO. Mitchell Goldsteen is the sole managing member of GOHO. Row 11: The aggregate percentage of Shares reported owned by each person named herein is based upon 36,300,928 Shares outstanding as of April 20, 2026, as reported on the Issuer's Definitive Proxy Statement filed with the Securities and Exchange Commission on April 22, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Shimmick Corporation
(b)	Address of issuer's principal executive offices: 530 Technology Drive, Suite 300, Irvine, California 92618
Item 2.
(a)	Name of person filing: This Schedule 13G is filed jointly by each of the following persons (each a "Reporting Person" and, collectively, the "Reporting Persons") pursuant to a joint filing agreement: (i) Mitchell B. Goldsteen, who serves as Executive Chairman of the Issuer; and (ii) GOHO, LLC, a limited liability company organized under the laws of the State of Delaware.
(b)	Address or principal business office or, if none, residence: The address of the principal business and principal office of each of the Reporting Persons is 530 Technology Drive, Suite 300, Irvine, California 92618.
(c)	Citizenship: Mitchell B. Goldsteen is a citizen of the United States. GOHO, LLC is a limited liability company formed under the laws of the State of Delaware.
(d)	Title of class of securities: Common Stock, par value $0.01 per share
(e)	CUSIP No.: 82455M109
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 20,974,873
(b)	Percent of class: 57.8%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 20,974,873
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 20,974,873
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group. By virtue of the relationships as described above in Item 4, the Reporting Persons may be deemed to be a group. Exhibits. Joint Filing Agreement as required by Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended (incorporated by reference to Exhibit 99.1 of Shimmick Corporation's Schedule 13G filed on February 9, 2024).* *Previously Filed
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.	Certifications:
	Not Applicable

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Mitchell B. Goldsteen

Signature:	/s/ Mitchell B. Goldsteen
Name/Title:	Mitchell B. Goldsteen, Individually
Date:	05/15/2026

GOHO, LLC

Signature:	/s/ Mitchell B. Goldsteen
Name/Title:	Mitchell B. Goldsteen, Manager
Date:	05/15/2026