Updated Jul 16, 2026
Marinko Mark W. is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $58K.
Marinko Mark W. serves as the Senior Vice President and Chief Financial Officer at SunCoke Energy, Inc. He is responsible for overseeing the financial operations and strategies of the company. Details about his previous experience and educational background are not readily available.
| Role | SR VP, Chief Financial Officer |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-26 | SXC | SunCoke Energy, Inc. | P — Open-market purchase | 9.6K | $5.84 | $56K |
| 2026-02-26 | SXC | SunCoke Energy, Inc. | P — Open-market purchase | 400 | $5.83 | $2K |
| 2026-02-25 | SXC | SunCoke Energy, Inc. | J — Other acquisition / disposition | 4.6K | — | |
| 2026-02-25 | SXC | SunCoke Energy, Inc. | F — Tax withholding / forfeiture | 4.2K | $6.22 | $26K |
| 2026-02-25 | SXC | SunCoke Energy, Inc. | M — Option exercise | 8.5K | — | |
| 2026-02-25 | SXC | SunCoke Energy, Inc. | F — Tax withholding / forfeiture | 3.4K | $6.22 | $21K |
| 2026-02-25 | SXC | SunCoke Energy, Inc. | M — Option exercise | 7.6K | — | |
| 2026-02-25 | SXC | SunCoke Energy, Inc. | F — Tax withholding / forfeiture | 3.8K | $5.88 | $22K |
| 2026-02-25 | SXC | SunCoke Energy, Inc. | M — Option exercise | 8.5K | — |
Marinko Mark W. serves as the Senior Vice President and Chief Financial Officer at SunCoke Energy, Inc. He is responsible for overseeing the financial operations and strategies of the company. Details about his previous experience and educational background are not readily available.…
Recorded transactions: 2 open-market purchases ($58K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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