Quick Takeaways
- Mark Durham has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $656,017.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Mark Durham
- Location
- Ball Ground, GA
- Summary
- The estimated net worth of Mark Durham is at least $656,017 dollars as of 02 Apr 2026. Mark Durham is the Chief Accounting Officer of CHART INDUSTRIES INC and owns shares of CHART INDUSTRIES INC (GTLS) stock worth about $656K.
- Signature
- /s/ Mark Durham, by Gregory J. Dziak, his attorney-in-fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Mark Durham and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: CHART INDUSTRIES INC ($656,017).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Mark Durham
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| GTLS | CHART INDUSTRIES INC | Chief Accounting Officer | $656,017 | 01 Apr 2026 |
Insider Transactions Reported by Mark Durham:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.