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SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
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© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Insiders/Durham Mark

Durham Mark

Insider

Insider

Total trades

8

Bought (open market)

$0

Sold (open market)

$646K

Tickers traded

1

Recent trades

Most recent Form 4 filings by Durham Mark.

Durham Marktraded3,074 shares ofGTLSat $210$646KJul 16Details
Durham Marktraded1,895 shares ofGTLSJul 16Details
Durham Marktax-withheld107 shares ofGTLSat $209.87$22KJul 10 · filed Jul 14Details
Durham Mark

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Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician-Insider Overlap

granted

689 shares of

GTLS

at $0

Apr 1 · filed Apr 2Details

Durham Marktax-withheld345 shares ofGTLSat $206.94$71KApr 1 · filed Apr 2Details

Durham Markgranted1,050 shares ofGTLSat $0Jan 2 · filed Jan 6Details

Durham Marktax-withheld66 shares ofGTLSat $206.23$14KJan 2 · filed Jan 6Details

Durham Marktax-withheld117 shares ofGTLSat $202.94$24KNov 10, 2025 · filed Nov 13, 2025Details

Durham Markgranted640 shares ofGTLSat $0Jul 11, 2025 · filed Jul 15, 2025Details