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Shimmick Corp (SHIM) director exercises 100,671 RSUs and receives 60,000 more

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Shimmick Corp director Geoffrey E. Heekin exercised restricted stock units and received a new equity award. He converted 100,671 restricted stock units (RSUs) into the same number of common shares, reflecting a one-for-one RSU-to-share conversion. After this exercise, he directly held 209,449 common shares.

On the same date, he was granted 60,000 additional RSUs, which will vest and settle into common stock on the date of the next annual meeting of stockholders, subject to his continued service. Following this grant, he held 60,000 RSUs as a separate derivative position.

Positive

  • None.

Negative

  • None.
Insider Heekin Geoffrey E.
Role null
Type Security Shares Price Value
Grant/Award Restricted Stock Units 60,000 $0.00 --
Exercise Restricted Stock Units 100,671 $0.00 --
Exercise Common Stock, par value $0.01 per share 100,671 $0.00 --
Holdings After Transaction: Restricted Stock Units — 60,000 shares (Direct, null); Common Stock, par value $0.01 per share — 209,449 shares (Direct, null)
Footnotes (1)
  1. RSUs convert into common stock on a one-for-one basis The RSUs will vest in full and settle into shares of common stock on the date of the next annual meeting of the Issuer's stockholders, subject to Reporting Perons's continued service through such date. On June 4, 2025, the Reporting Person was granted 100,671 RSUs, vesting and settling upon the date of next annual meeting of the Issuer's stockholders, subject to Reporting Person's continued service through such date.
RSUs exercised 100,671 units Converted into common stock on exercise date
Common shares after exercise 209,449 shares Direct holdings following RSU conversion
New RSU grant 60,000 units Awarded as restricted stock units, vesting at next annual meeting
RSU conversion ratio 1 RSU : 1 share RSUs convert into common stock on a one-for-one basis
Exercise transactions 1 event, 100,671 shares Derivative exercise or conversion count from transaction summary
Restricted Stock Units financial
"The RSUs will vest in full and settle into shares of common stock on the date of the next annual meeting"
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.
RSUs financial
"RSUs convert into common stock on a one-for-one basis"
RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.
Form 4 regulatory
"INSIDER FILING DATA (Form 4):"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
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SEC Form 4
FORM 4UNITED 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*
Heekin Geoffrey E.

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock, par value $0.01 per share06/02/2026M100,671A(1)209,449D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)06/02/2026A60,000 (2) (2)Common Stock, par value $0.01 per share60,000$060,000D
Restricted Stock Units(1)06/02/2026M100,671 (3) (3)Common Stock, par value $0.01 per share100,671$00D
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 on the date of the next annual meeting of the Issuer's stockholders, subject to Reporting Perons's continued service through such date.
3. On June 4, 2025, the Reporting Person was granted 100,671 RSUs, vesting and settling upon the date of next annual meeting of the Issuer's stockholders, subject to Reporting Person's continued service through such date.
/s/ John Carpenter, Power of Attorney for Geoffrey E. Heekin06/04/2026
** Signature of Reporting PersonDate
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 did Shimmick Corp (SHIM) director Geoffrey Heekin report in this Form 4?

Geoffrey E. Heekin reported an equity compensation update. He exercised 100,671 restricted stock units into the same number of common shares and received a new grant of 60,000 RSUs, all held directly as part of his ownership in Shimmick Corp.

How many Shimmick Corp shares does Geoffrey Heekin hold after these transactions?

After the RSU exercise, Geoffrey E. Heekin directly held 209,449 shares of Shimmick Corp common stock. These shares come from converting 100,671 RSUs into common stock and adding to his prior holdings reported in the Form 4.

What RSU grants are disclosed for Geoffrey Heekin in Shimmick’s Form 4?

The filing shows two RSU events. First, 100,671 RSUs previously granted vested and converted into common stock. Second, Heekin received a new grant of 60,000 RSUs that will vest at the next annual stockholder meeting, subject to his continued service.

Do Geoffrey Heekin’s Shimmick Corp RSUs convert into common stock one-for-one?

Yes. A footnote states the restricted stock units convert into common stock on a one-for-one basis. This means each vested RSU delivers one Shimmick Corp common share when it settles, simplifying how investors interpret his equity compensation.

When will Geoffrey Heekin’s new 60,000 Shimmick RSUs vest and settle?

The 60,000 restricted stock units will vest in full and settle into shares of Shimmick Corp common stock on the date of the next annual meeting of stockholders, provided Geoffrey E. Heekin continues his service with the company through that date.

Was there any open-market buying or selling of Shimmick Corp stock in this Form 4?

No open-market trades are disclosed. The Form 4 reports an RSU conversion to common stock and a new RSU grant, both coded as derivative exercise or grant events, without any separate purchase or sale transactions in the open market.