David Johanson
SVP-Project Acquisition & Ops · Great Lakes Dredge Dock CORP
- 2025
- Apr 1, 2026
- 6
Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as David Johanson. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Scott Lee Kornblau - $686K in GLDD purchases and sales on record
- Kathleen M. Shanahan - $294K in GLDD purchases and sales on record
- Lawrence R. Dickerson - $259K in GLDD purchases and sales on record
- Ronald Steger - $153K in GLDD purchases and sales on record
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Frequently asked questions
Who is David Johanson?
David Johanson is a corporate insider, tracked as SVP-Project Acquisition & Ops of Great Lakes Dredge Dock CORP (GLDD). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did David Johanson last file a Form 4?
The most recent primary Form 4 on record is dated 1 April 2026, one of 6 filings going back to 2025.
Has David Johanson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($159K) across all tracked filings.
