Chart Industries (NYSE: GTLS) insider receives 1,050 RSU award

Rhea-AI Filing Summary

Chart Industries Inc. reported an insider equity transaction involving its Chief Accounting Officer, Mark Durham. On January 2, 2026, he received 1,050 restricted share units representing common stock, granted under the Chart Industries, Inc. 2024 Omnibus Equity Plan in an exempt transaction under Rule 16b-3. These awards typically give the right to receive shares in the future, subject to vesting conditions.

On the same date, Durham surrendered 66 shares of common stock at a price of $206.23 per share to cover tax withholding obligations, also in an exempt Rule 16b-3 transaction. After these transactions, he beneficially owned 2,837 shares of Chart Industries common stock directly.

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
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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^*

Durham Mark

(Last) (First) (Middle)

8665 NEW TRAILS DRIVE, SUITE 100

(Street)

THE WOODLANDS TX 77381

(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)
	Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

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(1)	01/02/2026		A		1,050	A	$0	2,903	D
Common stock, par value $0.01 per share	01/02/2026		F(2)		66	D	$206.23	2,837	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These restricted share units were granted on January 2, 2026 pursuant to the Chart Industries, Inc. 2024 Omnibus Equity Plan in an exempt transaction under Rule 16b-3.

2. The reporting person surrendered 66 shares to satisfy tax withholding liabilities in an exempt transaction under Rule 16b-3.

Remarks:

	/s/ Mark Durham, by Gregory J. Dziak, his attorney-in-fact	01/06/2026
	** 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.

FAQ

What insider transaction did Chart Industries (GTLS) disclose in this Form 4?

The filing reports that Chief Accounting Officer Mark Durham received 1,050 restricted share units on January 2, 2026 and surrendered 66 shares of common stock to cover tax withholding.

Who is the reporting person in the Chart Industries (GTLS) Form 4 and what is their role?

The reporting person is Mark Durham, who serves as Chief Accounting Officer of Chart Industries Inc.

How many restricted share units did the Chart Industries (GTLS) executive receive and under which plan?

Mark Durham received 1,050 restricted share units granted on January 2, 2026 under the Chart Industries, Inc. 2024 Omnibus Equity Plan in an exempt transaction under Rule 16b-3.

Why were 66 shares of Chart Industries (GTLS) common stock surrendered and at what price?

The filing states that the reporting person surrendered 66 shares of common stock to satisfy tax withholding liabilities in an exempt Rule 16b-3 transaction, at a price of $206.23 per share.

How many Chart Industries (GTLS) shares does the insider own after these transactions?

After the reported transactions, Mark Durham beneficially owned 2,837 shares of Chart Industries common stock, held directly.

Were the Chart Industries (GTLS) insider transactions exempt under Rule 16b-3?

Yes. The grant of 1,050 restricted share units and the surrender of 66 shares for tax withholding were both described as exempt transactions under Rule 16b-3.