[Form 4] CHART INDUSTRIES INC Insider Trading Activity

Rhea-AI Filing Summary

Reporting person Paula Harris, a director of Chart Industries, Inc. (GTLS), received 199 shares of common stock on 10/01/2025 as an exempt grant under the 2024 Omnibus Equity Plan. The grant was recorded at a price of $0 and increased her total beneficial ownership to 3,902 shares following the award. The Form 4 was signed via power of attorney on 10/09/2025. The filing identifies the transaction as exempt and governed by a stock award agreement; no cash purchase or sale was reported.

Positive

• 199 shares granted under the 2024 Omnibus Equity Plan, aligning director compensation with shareholders
• Grant recorded as an exempt transaction under a stock award agreement, indicating plan compliance
• Post‑transaction ownership documented at 3,902 shares, providing transparency on insider holdings

Negative

• None.

Insights

Corporate Governance Expert

Director received an exempt stock award under the company plan.

The transaction shows a non‑derivative grant of 199 common shares to a director pursuant to the 2024 Omnibus Equity Plan, documented as an exempt transaction. This is a standard board-level equity award used to align director incentives with shareholder interests.

Key dependencies include the plan's vesting and reporting terms and whether additional awards follow similar timing; the 10/01/2025 grant and the post‑transaction ownership of 3,902 shares are the concrete items to track in upcoming disclosures.

Compensation Analyst

Small, routine equity grant recorded at zero cash price.

The award was recorded with a $0 price, consistent with stock awards issued under executive or director compensation arrangements rather than open‑market purchases. The Form 4 explicitly cites an exempt transaction under a stock award agreement.

Investors who monitor dilution or director pay should note the 199‑share size and the cumulative holding of 3,902 shares; comparable future filings will show if this is part of a recurring annual grant pattern.

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

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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^*

Harris Paula

(Last) (First) (Middle)

C/O CHART INDUSTRIES, INC.

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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

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(1)	10/01/2025		A		199	A	$0	3,902	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 securities were granted on October 1, 2025, in an exempt transaction, pursuant to the terms of a stock award agreement under the Chart Industries, Inc. 2024 Omnibus Equity Plan.

Remarks:

	/s/ Paula Harris, by Arthur C. Hall III, her attorney-in-fact	10/09/2025
	** 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 transaction did Paula Harris report on Form 4 for GTLS?

She reported an exempt grant of 199 shares of Chart Industries common stock on 10/01/2025 under the 2024 Omnibus Equity Plan.

How many shares does Paula Harris own after the reported transaction (GTLS)?

The Form 4 shows 3,902 shares beneficially owned following the transaction.

What price was recorded for the shares on the Form 4 (GTLS)?

The shares were recorded at a price of $0, consistent with a stock award rather than an open‑market purchase.

When was the Form 4 signed for this GTLS transaction?

The Form 4 signature (by attorney‑in‑fact) is dated 10/09/2025.

Under what plan were the shares granted (GTLS)?

The grant was made pursuant to the Chart Industries, Inc. 2024 Omnibus Equity Plan as stated in the filing.