Graham director buys 1,200 shares at $49.01

GRAHAM CORP (GHM) director Mauro Gregorio reported an amended insider transaction reflecting that 1,200 shares of common stock purchased on September 12, 2025 at $49.01 per share are held indirectly through a family trust.

This filing corrects an earlier one, and you can read the original Form 4 if you want to see what changed.

Rhea-AI Filing Summary

GRAHAM CORP (GHM) director Mauro Gregorio reported an amended insider transaction reflecting that 1,200 shares of common stock purchased on September 12, 2025 at $49.01 per share are held indirectly through a family trust. The amendment states that the reporting person and his spouse serve as co-trustees of this trust and corrects a prior report that had shown direct ownership. No transactions are reported under a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Buyer: 1,200 shares

Net Buy 1 txn

Insider Gregorio Mauro

Role Director

Bought 1,200 shs ($59K)

Type	Security	Shares	Price	Value
Purchase	Common Stock F1	1,200	$49.01	$59K

Holdings After Transaction: Common Stock — 1,200 shares (Indirect, By Family Trust)

Footnotes (1)

1. F1. This Form 4 amendment is being filed to correct the nature of ownership that was inadvertently reported as being directly owned in the prior Form 4. The reporting person and his spouse are co-trustees of the trust.

Key Figures

Shares purchased: 1,200 shares Purchase price per share: $49.01 per share Shares held after transaction: 1,200 shares +1 more

4 metrics

Shares purchased 1,200 shares Common stock acquired on September 12, 2025

Purchase price per share $49.01 per share Common stock purchase on September 12, 2025

Shares held after transaction 1,200 shares Indirectly held through a family trust following the reported transaction

Transaction date September 12, 2025 Date of the common stock purchase reported in the amendment

Key Terms

co-trustees, trust, indirectly

3 terms

co-trustees financial

"The reporting person and his spouse are co-trustees of the trust."

trust financial

"The reporting person and his spouse are co-trustees of the trust."

A trust is a legal setup in which one party (the trustee) holds and manages assets—like cash, stocks or property—on behalf of other people (beneficiaries) according to instructions from the person who created it (the grantor). Think of it as a locked box with a keyholder who must follow written rules; for investors it matters because trusts influence who controls and benefits from assets, affect taxes and succession, and can change how quickly or transparently shares are bought, sold or voted.

indirectly financial

"to correct the nature of ownership that was inadvertently reported as being directly owned"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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

He reported a purchase of 1,200 shares of GRAHAM CORP common stock on September 12, 2025 at $49.01 per share, now shown as being held indirectly through a family trust.

Why was this Form 4 for GHM filed as an amendment?

The amendment states it was filed to correct the nature of ownership, which had been inadvertently reported as directly owned. The shares are held indirectly in a trust where the reporting person and his spouse are co-trustees.

How many GHM shares does the reporting person hold after this transaction?

Following the reported transaction, the filing states that 1,200 shares of GRAHAM CORP common stock are held, indirectly, in the family trust for which the reporting person and his spouse act as co-trustees.

Is the GHM insider trade reported under a Rule 10b5-1 trading plan?

No. The filing indicates no Rule 10b5-1 trading plan applies to this reported purchase; the document-level checkbox for such a plan is not marked as affirming plan status.

Is the GHM insider’s ownership direct or indirect after this amendment?

The amendment clarifies that ownership is indirect. The 1,200 shares are held by a family trust, and the reporting person and his spouse are co-trustees of that trust.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 09/21/2026 - 04:31 PM Accepted by SEC EDGAR 09/21/2026 - 04:31 PM Learn about SEC filing dates

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)
09/12/2025

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)
09/15/2025

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/12/2025		P		1,200	A	$49.01	1,200	I	By Family Trust(1)

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This Form 4 amendment is being filed to correct the nature of ownership that was inadvertently reported as being directly owned in the prior Form 4. The reporting person and his spouse are co-trustees of the trust.

	/s/ Christina McLeod, Attorney-in-Fact for Mauro Gregorio	09/21/2026
	** 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)