$00 buys
$00 sells
50%/50%3K shares held ≈ $661K
GTLSCHART INDUSTRIES INC
Frequently asked questions about Durham Mark
What are Durham Mark's recent insider transactions?
Durham Mark has filed 4 insider transactions across 1 company, totaling $0 in purchases and $0 in sales. The most recent filing was on April 1, 2026.
Is Durham Mark a net buyer or seller of shares?
Based on regulatory disclosures, Durham Mark is a net seller with 0 purchases and 0 sales on record.