Mark Durham - 16 Jul 2026 Form 4 Insider Report for CHART INDUSTRIES INC (GTLS)

Reporting relationship: Chief Accounting Officer
Issuer ticker: GTLS
Reported as of: 16 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Jul 2026, 16:05:15 UTC
Prior SEC filing: 14 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Mark Durham, by Gregory J. Dziak, his attorney-in-fact

Filing notes and source

Key filing fact

Mark Durham filed Form 4 for CHART INDUSTRIES INC (GTLS) on 16 Jul 2026.

Key facts

This page summarizes Mark Durham's Form 4 filing for CHART INDUSTRIES INC (GTLS).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 16 Jul 2026, 16:05.

Change

Previous filing in this sequence was filed on 14 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002073180 Primary reporting owner

Durham Mark

Relationship: Chief Accounting Officer
Address: 8665 NEW TRAILS DRIVE, SUITE 100, THE WOODLANDS
Signature: /s/ Mark Durham, by Gregory J. Dziak, his attorney-in-fact
Signature date: 16 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GTLS transaction

Common stock, par value $0.01 per share

Disposed to Issuer

Transaction value
Shares: -3,074
Change %: -100%
Price: $210.00^*
Shares after: 0
Date: 16 Jul 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GTLS transaction Derivative

Restricted Stock Units

Disposed to Issuer

Transaction value
Shares: -1,895
Change %: -100%
Price
Shares after: 0
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,895
Exercise price
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Mark Durham is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

Pursuant to that certain Agreement and Plan of Merger, dated as of July 28, 2025 (the "Merger Agreement"), by and among Baker Hughes Company, Tango Merger Sub, Inc. and Chart Industries, Inc. (the "Company"), at the Effective Time (as defined in the Merger Agreement), the shares of common stock (the "Chart Common Stock") were automatically canceled and converted into the right to receive a cash payment of $210.00 per share of Chart Common Stock (the "Merger Consideration").

Footnote F2

Pursuant to the Merger Agreement, (i) 845 time-vesting Chart restricted stock units (each a "Chart RSU") held by the reporting person that were granted prior to the date of the Merger Agreement fully vested and were converted into a right to receive an amount in cash equal to the Merger Consideration; and (ii) 1,050 Chart RSUs granted on or after the date of the Merger Agreement were converted into the right to receive a Baker Hughes restricted stock unit with respect to a number of shares equal to the product of (x) the number of shares of Chart Common Stock subject to such Chart RSU, including any unpaid dividends or dividend equivalents, and (y) an equity award exchange ratio based on the Merger Consideration, in each case determined in accordance with the Merger Agreement.