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Insider Transactions

What Great Lakes Dredge & Dock CORP's executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

3 months 12 months
Open-market buys 0 0
Sells 0 2
Total trades 0 82

Shares traded

3 months 12 months
Acquired 0 1,071,763
Disposed 0 3,039,074
Net activity +0 −1,967,311

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

Insider Relation Date Transaction Shares Price Value Shares held
Steger Ronald Director Apr 01 Tender Offer · U −20,404 — — 0
Armstrong Dana A Director Apr 01 Tender Offer · U −8,436 — — 0
Dickerson Lawrence R Director Apr 01 Tender Offer · U −86,217 — — 0
Shanahan Kathleen M Director Apr 01 Tender Offer · U −76,375 — — 0
Shipp Earl L Director Apr 01 Tender Offer · U −42,619 — — 0
Beyko Eleni SVP - Offshore Energy Apr 01 Tender Offer · U −151,312 — — 0
Beyko Eleni SVP - Offshore Energy Apr 01 Grant / award · A +25,505 — — 151,312
Bayer Ryan VP & CAO Apr 01 Tender Offer · U −37,380 — — 0
Bayer Ryan VP & CAO Apr 01 Grant / award · A +5,607 — — 37,380
Gunsten Christopher SVP-Proj Svcs & Fleet Engineer Apr 01 Tender Offer · U −182,496 — — 0
Gunsten Christopher SVP-Proj Svcs & Fleet Engineer Apr 01 Grant / award · A +71,860 — — 182,496
Hanson William H SVP, Market Development Apr 01 Tender Offer · U −90,853 — — 0
Hanson William H SVP, Market Development Apr 01 Grant / award · A +13,631 — — 90,853
Johanson David SVP-Project Acquisition & Ops Apr 01 Tender Offer · U −191,598 — — 0
Johanson David SVP-Project Acquisition & Ops Apr 01 Grant / award · A +71,860 — — 191,598
Kornblau Scott Lee SVP & CFO Apr 01 Tender Offer · U −244,126 — — 0
Kornblau Scott Lee SVP & CFO Apr 01 Grant / award · A +90,518 — — 244,126
Petterson Lasse CEO & President Apr 01 Tender Offer · U −1,568,290 — — 0
Petterson Lasse CEO & President Apr 01 Grant / award · A +206,445 — — 1,568,290
Schiffer Vivienne SVP, CLO, CCO & Corp Secretary Apr 01 Tender Offer · U −144,817 — — 0

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