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Chart Industries (NYSE: GTLS) CAO exits holdings in Baker Hughes merger

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Form Type
4

Rhea-AI Filing Summary

Mark Durham, Chief Accounting Officer of Chart Industries, disposed of his remaining Chart equity in connection with the Baker Hughes merger. On July 16, 2026, 3,074 shares of Chart common stock were canceled and converted into the right to receive $210.00 per share in cash. In addition, 1,895 restricted stock units were settled, with 845 units converted into a cash right at the same Merger Consideration and 1,050 units converted into Baker Hughes restricted stock units, leaving him with no Chart securities outstanding.

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Insider Durham Mark
Role Chief Accounting Officer
Type Security Shares Price Value
Disposition Restricted Stock Units 1,895 -- --
Disposition Common stock, par value $0.01 per share 3,074 $210.00 $646K
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common stock, par value $0.01 per share — 0 shares (Direct)
Footnotes (1)
  1. 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"). 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.
Common shares disposed 3,074 shares Disposition to issuer in merger on July 16, 2026 at $210.00 per share
Merger Consideration per share $210.00 per share Cash paid for each share of Chart Common Stock at the Effective Time
RSUs canceled or converted 1,895 units Restricted stock units disposed to issuer and converted under the Merger Agreement
RSUs vested for cash 845 units Time-vesting Chart RSUs converted into a cash right equal to the Merger Consideration
RSUs converted to Baker Hughes RSUs 1,050 units Chart RSUs granted on or after Merger Agreement date exchanged into Baker Hughes RSUs
Agreement and Plan of Merger regulatory
"Pursuant to that certain Agreement and Plan of Merger, dated as of July 28, 2025"
An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.
Merger Consideration financial
"converted into the right to receive a cash payment of $210.00 per share of Chart Common Stock"
Merger consideration is the total payment a company or buyer offers to shareholders of a target company in exchange for combining the two businesses, and can include cash, shares in the surviving company, debt assumption, or a mix of these. Investors care because the form and amount affect the deal’s value, tax consequences, immediate cash received versus future ownership, and the risk and upside of holding new shares — similar to choosing between cash now or stock that could grow later.
Restricted Stock Units financial
"845 time-vesting Chart restricted stock units held by the reporting person"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
equity award exchange ratio financial
"a number of shares equal to the product of an equity award exchange ratio"

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FAQ

What insider transaction did Chart Industries (GTLS) report for Mark Durham?

Mark Durham reported a disposition of all remaining Chart equity tied to the Baker Hughes merger. He had 3,074 common shares canceled for cash and 1,895 restricted stock units settled or converted, resulting in no remaining Chart securities.

At what price were Mark Durham’s Chart Industries (GTLS) shares cashed out?

Durham’s Chart common shares were converted into the right to receive $210.00 per share in cash. This cash amount represents the defined Merger Consideration under the Agreement and Plan of Merger with Baker Hughes Company.

How many Chart Industries (GTLS) shares did Mark Durham dispose of in the merger?

Mark Durham disposed of 3,074 shares of Chart common stock through a disposition to the issuer. These shares were automatically canceled at the merger’s effective time and converted into a cash payment based on $210.00 per share.

What happened to Mark Durham’s Chart Industries (GTLS) restricted stock units?

Durham had 1,895 restricted stock units settled. Footnotes state 845 time-vesting RSUs vested and became a cash right at the Merger Consideration, while 1,050 RSUs were converted into Baker Hughes restricted stock units using an equity award exchange ratio.

Does Mark Durham hold any Chart Industries (GTLS) equity after the Baker Hughes merger?

Following these transactions, Durham’s reported holdings in Chart securities are zero. His 3,074 common shares and 1,895 restricted stock units show 0.0000 remaining, though some RSUs were converted into Baker Hughes restricted stock units under the merger terms.

How is the Baker Hughes and Chart Industries (GTLS) merger reflected in Mark Durham’s equity awards?

The merger converted Durham’s Chart equity into cash and Baker Hughes awards. Common shares became a cash right at $210.00 per share, while certain RSUs vested for cash and others were exchanged into Baker Hughes restricted stock units per the equity award exchange ratio.
SEC Form 4
FORM 4UNITED 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
X
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 TEXAS 77381

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
CHART INDUSTRIES INC [ GTLS ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Accounting Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/16/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common stock, par value $0.01 per share07/16/2026D(1)3,074D$2100D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(2)07/16/2026D1,895 (2) (2)Common Stock1,895(2)0D
Explanation of Responses:
1. 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").
2. 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.
Remarks:
/s/ Mark Durham, by Gregory J. Dziak, his attorney-in-fact07/16/2026
** Signature of Reporting PersonDate
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)