Durham Mark
SEC insider (Form 3/4/5 filer). CIK 0002073180. Chief Accounting Officer at CHART INDUSTRIES INC (GTLS). 8 reported Form 4/5 transactions since Sep 2024; latest on Jul 16, 2026. Located in THE WOODLANDS, TX.
Companies Durham Mark has filed insider reports for
- CHART INDUSTRIES INC (GTLS): Officer, Chief Accounting Officer
Durham Mark
CIK: 0002073180
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)3 (37.5%)
Compensation grants
Other (G, F, J, C, D, …)5 (62.5%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
GTLS
CHART INDUSTRIES INC
Officer
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Jul 16, 2026GTLS
CHART INDUSTRIES INC
DispositionDirect3.1K shares at avg. $210.00$646K - Jul 10, 2026GTLS
CHART INDUSTRIES INC
Tax PaymentDirect107 shares at avg. $209.87$22K - Apr 1, 2026GTLS
CHART INDUSTRIES INC
AwardDirect689 shares- - Apr 1, 2026GTLS
CHART INDUSTRIES INC
Tax PaymentDirect345 shares at avg. $206.94$71K - Jan 2, 2026GTLS
CHART INDUSTRIES INC
AwardDirect1.1K shares- - Jan 2, 2026GTLS
CHART INDUSTRIES INC
Tax PaymentDirect66 shares at avg. $206.23$14K - Nov 10, 2025GTLS
CHART INDUSTRIES INC
Tax PaymentDirect117 shares at avg. $202.94$24K - Jul 11, 2025GTLS
CHART INDUSTRIES INC
AwardDirect640 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 16, 2026 | GTLS CHART INDUSTRIES INC | Disposition | 3,074 | $210.00 | $645,540 | Direct |
| Jul 10, 2026 | GTLS CHART INDUSTRIES INC | Tax Payment | 107 | $209.87 | $22,456 | Direct |
| Apr 1, 2026 | GTLS CHART INDUSTRIES INC | Award | 689 | - | $0 | Direct |
| Apr 1, 2026 | GTLS CHART INDUSTRIES INC | Tax Payment | 345 | $206.94 | $71,394 | Direct |
| Jan 2, 2026 | GTLS CHART INDUSTRIES INC | Award | 1,050 | - | $0 | Direct |
| Jan 2, 2026 | GTLS CHART INDUSTRIES INC | Tax Payment | 66 | $206.23 | $13,611 | Direct |
| Nov 10, 2025 | GTLS CHART INDUSTRIES INC | Tax Payment | 117 | $202.94 | $23,744 | Direct |
| Jul 11, 2025 | GTLS CHART INDUSTRIES INC | Award | 640 | - | - | Direct |
1-8 of 8 transactions