[Form 4] Chart Industries, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Gerald F. Vinci, Vice President and Chief Human Resources Officer of Chart Industries, Inc. (GTLS), reported a Form 4 filing disclosing a small disposition of company common stock on 08/22/2025. Mr. Vinci surrendered 632 shares to satisfy tax withholding obligations in an exempt Rule 16b-3 transaction at an effective price of $197.46 per share. After the withholding sale, he directly beneficially owned 21,996 shares and his spouse held an indirect interest in 475 shares.

The filing was signed by an attorney-in-fact on Mr. Vinci’s behalf on 08/26/2025. The disclosure identifies his role as an officer (VP & Chief Human Resources Officer) and indicates this Form 4 was filed by a single reporting person.

Positive

• Continued insider ownership: Reporting person retained 21,996 shares directly after the transaction, indicating ongoing stake in GTLS.
• Transaction disclosed as Rule 16b-3 exempt: The surrender was reported as an exempt transaction, consistent with tax-withholding for equity awards.

Negative

• Surrendered shares for tax withholding: 632 shares were disposed of at $197.46 per share, reducing direct holdings.
• Limited detail on underlying award: The filing does not specify the grant or vesting event that triggered the withholding surrender.

Insights

Securities Analyst

TL;DR: Officer surrendered a small number of shares for tax withholding; retained substantial direct ownership.

The transaction reflects a routine, non-discretionary surrender of 632 shares to cover tax withholding tied to equity compensation, reported as an exempt Rule 16b-3 transaction. The reported post-transaction direct ownership of 21,996 shares signals continued insider alignment with shareholders. This Form 4 contains no indications of unusual trading activity or material change in insider ownership that would likely affect valuation.

Corporate Governance Expert

TL;DR: Standard tax-withholding share surrender by an officer; governance implications minimal.

The filing documents a common administrative action following equity vesting or exercise: surrendering shares to satisfy withholding. The reporting person is an executive officer, and the disclosure properly lists both direct and indirect holdings. No governance red flags, related-party transactions, or unexplained transfers appear in this disclosure.

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^*

Vinci Gerald F

(Last) (First) (Middle)

C/O CHART INDUSTRIES, INC.

2200 AIRPORT INDUSTRIAL DRIVE SUITE #100

(Street)

BALL GROUND GA 30107

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CHART INDUSTRIES INC [ GTLS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP & Chief Human Resources Ofc

3. Date of Earliest Transaction (Month/Day/Year)
08/22/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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, par value $0.01 per share	08/22/2025		F(1)		632	D	$197.46	21,996	D
Common stock, par value $0.01 per share								475	I	By spouse

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. The reporting person surrendered 632 shares to satisfy tax withholding liabilities in an exempt transaction under Rule 16b-3.

Remarks:

	/s/ Gerald F. Vinci, by Arthur C. Hall III, his attorney-in-fact	08/26/2025
	** 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.

FAQ

What did Gerald F. Vinci report on the Form 4 for GTLS?

Mr. Vinci reported surrendering 632 shares on 08/22/2025 to satisfy tax withholding at an effective price of $197.46 per share and retaining 21,996 shares directly.

Why were the 632 shares disposed of according to the filing?

The filing states the shares were surrendered to satisfy tax withholding liabilities in an exempt transaction under Rule 16b-3.

How much indirect ownership does the reporting person have in GTLS?

The filing reports an indirect interest of 475 shares held by the reporting person’s spouse.

When was the Form 4 signed and filed?

The signature block shows the form was signed by the reporting person’s attorney-in-fact on 08/26/2025 and the earliest transaction date reported is 08/22/2025.

Does the Form 4 indicate any unusual or material insider trading?

No. The transaction is described as a routine, exempt tax-withholding surrender and does not indicate material or unusual insider trading activity.