SEC Insider Transactions from Marinko Mark W..

Last updated: 2026-03-14 11:52 UTC | Total transactions: 34

Marinko Mark W., Senior VP and Chief Financial Officer of SunCoke Energy ($SXC), made two open market purchases totaling about $58,400 over the last year. His most recent buy was on February 25, 2026. These purchases rank 2,841st among nearly 5,000 insiders, below the average of $1.46 million per person and 3.3 transactions. He reported no open market sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 25, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer P Common Stock 400 $5.83 62,198.0000 100,069,991 0.65% 0.00%
Feb. 25, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer P Common Stock 9600 $5.84 71,798.0000 100,069,991 15.43% 0.01%
Feb. 24, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M Common Stock 8468 $0.00 52,414.0000 100,069,991 19.27% 0.01%
Feb. 23, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M RSUs (02.21.2025) 8474 $0.00 16,947.0000 100,069,991 33.33% 0.01%
Feb. 24, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M RSUs (02.22.2024) 7600 $0.00 7,599.0000 100,069,991 50.00% 0.01%
Feb. 24, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M RSUs (02.23.2023) 8468 $0.00 0.0000 100,069,991 100.00% 0.01%
Feb. 24, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer J Common Stock 4633 $0.00 61,798.0000 100,069,991 8.10% 0.00%
Feb. 23, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer F Common Stock 4204 $6.22 57,165.0000 100,069,991 6.85% 0.00%
Feb. 23, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M Common Stock 8474 $0.00 61,369.0000 100,069,991 16.02% 0.01%
Feb. 24, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M Common Stock 7600 $0.00 56,262.0000 100,069,991 15.62% 0.01%
Feb. 24, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer F Common Stock 3367 $6.22 52,895.0000 100,069,991 5.98% 0.00%
Feb. 24, 2026 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer F Common Stock 3752 $5.88 48,662.0000 100,069,991 7.16% 0.00%
March 7, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M Common Stock 8791 $0.00 47,841.0000 99,756,420 22.51% 0.01%
March 7, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer F Common Stock 3895 $9.05 43,946.0000 99,756,420 8.14% 0.00%
March 7, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M RSUs (03.07.2022) 8791 $0.00 0.0000 99,756,420 100.00% 0.01%
Feb. 24, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer F Common Stock 3752 $9.20 18,422.0000 99,756,420 16.92% 0.00%
Feb. 24, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M RSUs (02.22.2024) 7600 $0.00 15,199.0000 99,756,420 33.33% 0.01%
Feb. 21, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer A RSUs (02.21.2025) 25421 $0.00 25,421.0000 99,756,420 9999.99% 0.03%
Feb. 24, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M Common Stock 7600 $0.00 26,022.0000 99,756,420 41.26% 0.01%
Feb. 24, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer F Common Stock 3367 $9.20 22,655.0000 99,756,420 12.94% 0.00%
Feb. 21, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer J Common Stock 16395 $9.51 39,050.0000 99,756,420 72.37% 0.02%
Feb. 24, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M RSUs (02.23.2023) 8469 $0.00 8,468.0000 99,756,420 50.00% 0.01%
Feb. 24, 2025 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M Common Stock 8469 $0.00 22,174.0000 99,756,420 61.79% 0.01%
Feb. 22, 2024 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer A RSUs (02.22.2024) 22799 $0.00 22,799.0000 99,161,446 9999.99% 0.02%
March 7, 2024 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M Common Stock 8791 $0.00 17,600.0000 99,161,446 99.80% 0.01%
March 7, 2024 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M RSUs (03.07.2022) 8791 $0.00 8,791.0000 99,161,446 50.00% 0.01%
March 7, 2024 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer F Common Stock 3895 $10.95 13,705.0000 99,161,446 22.13% 0.00%
Feb. 23, 2024 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M Common Stock 8469 $0.00 13,010.0000 99,161,446 186.50% 0.01%
Feb. 23, 2024 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer F Common Stock 4201 $10.84 8,809.0000 99,161,446 32.29% 0.00%
Feb. 23, 2024 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M RSUs (02.23.2023) 8469 $0.00 16,937.0000 99,161,446 33.33% 0.01%
March 8, 2023 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer F Common Stock 4251 $9.58 4,541.0000 98,815,780 48.35% 0.00%
March 8, 2023 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M RSUs (03.07.2022) 8792 $0.00 17,582.0000 98,815,780 33.34% 0.01%
March 8, 2023 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer M Common Stock 8792 $0.00 8,792.0000 98,815,780 9999.99% 0.01%
Feb. 23, 2023 SunCoke Energy, Inc. $SXC Marinko Mark W. SR VP, Chief Financial Officer A RSUs (02.23.2023) 25186 $0.00 25,186.0000 98,815,780 9999.99% 0.03%