Mark W. Marinko

Insider activity · 24 months1 buy0 salesCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 1 buy · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Companies

▲ Purchases (2 ops.)

€50k

▼ Sales (0 ops.)

—

Latest filing published 26 Feb 2026 for SunCoke Energy, Inc., €1,980.

Filing timeline

BuySale

Mark W. Marinko

Insider track record

Disclosed buys

Disclosed sells

Signal history

No signal scores available.

Closed purchases

Market purchases

Not enough history yet: 1 closed purchase, at least 2 are needed.

Purchases by company

SunCoke Energy, Inc. 1 purchase · last 26 Feb 2026

Since each purchase

SunCoke Energy, Inc.
Filed 26 Feb 2026 · 240 days ago · €1,980
+62.3%
Entry US$5.70 · Close at T+90 US$9.25

Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.

Mark W. Marinko: trading record in brief

This profile gathers the share dealings of Mark W. Marinko across 2 companies, led by Great Lakes Dredge & Dock Corp and SunCoke Energy, Inc. The record holds 46 filings, for trades running from 10 March 2015 to 25 February 2026.

The open-market record is one-sided, with 2 purchases worth €50k and not one sale. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Besides market trades, the filings include 33 share grants and 9 option exercises. Since January 2026: 2 purchases and no sales on the market.

The newest entry dates from 26 February 2026: an open-market purchase of €48k, in SunCoke Energy, Inc. The median gap between a trade and its publication by SEC (Form 4) is 2 days. For comparison, the SEC allows two business days to file a Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.