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[Form 4] GRAHAM CORP Insider Trading Activity

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

Rhea-AI Filing Summary

Graham Corp Executive Chairman Daniel J. Thoren reported routine equity compensation activity. On June 2, 2026, 529 Restricted Stock Units (RSUs) converted into 529 shares of common stock at an exercise price of $0.00 per share, reflecting vesting of prior awards.

Also on that date, 152 common shares were withheld to cover tax withholding obligations related to RSU vesting, a non-market disposition. After these transactions, Thoren directly held 356,989 shares of common stock.

On June 1, 2026, he received a grant of 629 RSUs under the 2020 Graham Corporation Equity Incentive Plan, which generally vest in three equal annual installments beginning on June 1, 2027. RSUs convert into common stock on a one-for-one basis.

Positive

  • None.

Negative

  • None.
Insider Thoren Daniel J.
Role Executive Chairman
Type Security Shares Price Value
Exercise Restricted Stock Units 529 $0.00 --
Exercise Common Stock 529 $0.00 --
Tax Withholding Common Stock 152 $106.11 $16K
Grant/Award Restricted Stock Units 629 $0.00 --
holding Restricted Stock Units -- -- --
Holdings After Transaction: Restricted Stock Units — 1,059 shares (Direct, null); Common Stock — 357,141 shares (Direct, null)
Footnotes (1)
  1. These restricted stock units convert into common stock on a one-for-one basis ("RSUs"). Shares withheld to cover tax withholding obligations upon the vesting of RSUs. One-third of the original grant of these RSUs vested on 6/2/2026, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 6/2/2027 and 6/2/2028. These RSUs were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 6/1/2027, 6/1/2028 and 6/1/2029. These RSUs vest in substantially equal installments on each of 6/4/2026 and 6/4/2027, except as otherwise provided in the award notice.
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Form 4 Insider Transactions: What Each Field Means →
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*
Thoren Daniel J.
(Last)(First)(Middle)
C/O GRAHAM CORPORATION
20 FLORENCE AVENUE
(Street)
BATAVIA NEW YORK 14020
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
GRAHAM CORP [ GHM ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Executive Chairman
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026		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 Stock06/02/2026M529A$0(1)357,141D
Common Stock06/02/2026F152(2)D$106.11356,989D
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$0(1)06/02/2026M529 (3) (3)Common Stock529$01,059D
Restricted Stock Units$0(1)06/01/2026A629 (4) (4)Common Stock629$0629D
Restricted Stock Units$0(1) (5) (5)Common Stock11,08611,086D
Explanation of Responses:
1. These restricted stock units convert into common stock on a one-for-one basis ("RSUs").
2. Shares withheld to cover tax withholding obligations upon the vesting of RSUs.
3. One-third of the original grant of these RSUs vested on 6/2/2026, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 6/2/2027 and 6/2/2028.
4. These RSUs were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 6/1/2027, 6/1/2028 and 6/1/2029.
5. These RSUs vest in substantially equal installments on each of 6/4/2026 and 6/4/2027, except as otherwise provided in the award notice.
/s/ Christina McLeod, Attorney-in-Fact for Daniel J. Thoren06/03/2026
** 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)

Source: View Original Filing on SEC EDGAR