What unvested RSUs related to GHM does Mauro Gregorio still hold?

He continues to hold restricted stock units representing 905 underlying shares of Graham Corp common stock. These RSUs are scheduled to vest on June 1, 2027, except as otherwise provided in the related award notice.

Graham director acquires 936 shares via RSUs

Q: What did GHM director Mauro Gregorio report in this Form 4?

He reported that 936 restricted stock units vested on September 2, 2026 and were converted into 936 shares of Graham Corp common stock at an exercise price of $0.00 per share, increasing his directly held common shares to 2,136.

Q: How many GHM restricted stock units vested and converted on September 2, 2026?

On September 2, 2026, 936 restricted stock units that convert into Graham Corp common stock on a one-for-one basis vested and were exercised into 936 shares of common stock at an exercise price of $0.00 per share.

Graham Corp director Mauro Gregorio reported RSU vesting into 936 common shares and now directly holds 2,136 shares plus additional unvested RSUs.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

GRAHAM CORP (GHM) director Mauro Gregorio reported the vesting and settlement of restricted stock units into common shares. On September 2, 2026, 936 RSUs, which convert into common stock on a one-for-one basis, vested and were exercised into 936 shares of Common Stock at an exercise price of $0.00 per share. Following this, Gregorio directly holds 2,136 shares of Common Stock. He also continues to hold RSUs covering 905 underlying shares that are scheduled to vest on June 1, 2027, except as otherwise provided in the award notice. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

936 shares exercised/converted

Exercise 3 txns

Insider Gregorio Mauro

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units ^F1	936	$0.00	$0.00
Exercise	Common Stock ^F1	936	$0.00	$0.00
holding	Restricted Stock Units ^F2	--	--	--

Holdings After Transaction: Restricted Stock Units — 905 contracts (Direct); Common Stock — 2,136 shares (Direct)

Footnotes (2)

F1. These restricted stock units, which convert into common stock on a one-for-one basis ("RSUs"), vested on 9/2/2026.
F2. These RSUs vest on 6/1/2027, except as otherwise provided in the award notice.

Key Figures

RSUs vested and converted: 936 units/shares Common shares acquired from RSUs: 936 shares Common shares held after transaction: 2,136 shares +2 more

5 metrics

RSUs vested and converted 936 units/shares Restricted stock units vested and converted into common stock on September 2, 2026

Common shares acquired from RSUs 936 shares Shares of Graham Corp common stock received upon RSU conversion on September 2, 2026

Common shares held after transaction 2,136 shares Directly owned Graham Corp common stock following the RSU conversion

Unvested RSUs outstanding 905 underlying shares Restricted stock units scheduled to vest on June 1, 2027, subject to the award notice

RSU exercise price $0.00 per share Exercise or conversion price for RSUs that vested on September 2, 2026

Key Terms

Restricted Stock Units, vested, award notice

3 terms

Restricted Stock Units financial

"These restricted stock units, which convert into common stock on a one-for-one basis"

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.

vested financial

"These restricted stock units ... vested on 9/2/2026"

award notice financial

"These RSUs vest on 6/1/2027, except as otherwise provided in the award notice"

FAQ

What did GHM director Mauro Gregorio report in this Form 4?

He reported that 936 restricted stock units vested on September 2, 2026 and were converted into 936 shares of Graham Corp common stock at an exercise price of $0.00 per share, increasing his directly held common shares to 2,136.

How many GHM common shares does Mauro Gregorio own after the reported transactions?

After the reported RSU conversion, Mauro Gregorio directly owns 2,136 shares of Graham Corp common stock, as stated in the post-transaction holding for the common stock entry on September 2, 2026.

How many GHM restricted stock units vested and converted on September 2, 2026?

On September 2, 2026, 936 restricted stock units that convert into Graham Corp common stock on a one-for-one basis vested and were exercised into 936 shares of common stock at an exercise price of $0.00 per share.

Was a Rule 10b5-1 trading plan involved in Mauro Gregorio’s GHM transactions?

No. The filing indicates the Rule 10b5-1 checkbox is not selected, so no Rule 10b5-1 trading plan is reported in connection with the September 2, 2026 RSU vesting and share issuance.

What was the exercise or conversion price for the vested GHM RSUs?

The restricted stock units that vested on September 2, 2026 converted into Graham Corp common stock at an exercise price of $0.00 per share, as indicated for both the derivative RSU transaction and its underlying common stock.

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Available on EDGAR 09/03/2026 - 05:53 PM Accepted by SEC EDGAR 09/03/2026 - 04:41 PM

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
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^*

Gregorio Mauro

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	09/02/2026		M		936	A	$0⁽¹⁾	2,136	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	$0⁽¹⁾	09/02/2026		M			936	⁽¹⁾	⁽¹⁾	Common Stock	936	$0	0	D
Restricted Stock Units	$0⁽²⁾							⁽²⁾	⁽²⁾	Common Stock	905		905	D

Explanation of Responses:

1. These restricted stock units, which convert into common stock on a one-for-one basis ("RSUs"), vested on 9/2/2026.

2. These RSUs vest on 6/1/2027, except as otherwise provided in the award notice.

	/s/ Christina McLeod, Attorney-in-Fact for Mauro Gregorio	09/03/2026
	** 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)

Source: View Original Filing on SEC EDGAR