Great Lakes Dredge & Dock CORP insider transactions

What is a Form 4?

Animation: what a Form 4 is, shown with one real example. Sonic Automotive (SAH) reporting owner Paul P. Rusnak bought 13,701 shares at $59.78 on Wednesday, October 7, 2026, transaction code P, an open-market purchase (S is a sale and A is an award from the company). A timeline marks the SEC's two-business-day filing deadline, which ends Friday, October 9. The SEC accepted the Form 4 at 4:33:21 PM ET on October 9, and NexusTrade treats it as public one minute later, at 4:34:21 PM ET. A lamp for NexusTrade's InsiderTrades indicator stays off from the trade date until that moment, then counts one purchase worth 13,701 × $59.78 = $819,045.78. — In this example the shares were bought on Oct 7, 2026, and NexusTrade's InsiderTrades indicator can count the purchase starting at 4:34:21 PM ET on Oct 9, one minute after the SEC accepted the Form 4.

A Form 4 is the SEC filing a company insider, such as an officer, director or 10% owner, uses to report a trade in the company's stock, generally within two business days. The animation follows one real filing as an example: Paul P. Rusnak's purchase of Sonic Automotive (SAH) shares on October 7, 2026.

The same reading applies to every row on this page. The trade date is when the shares changed hands. The available date is when NexusTrade treats the filing as public, and a NexusTrade InsiderTrades indicator counts a purchase (code P) or sale (code S) only from that moment. Code A awards are not counted as purchases.

Recent insider disclosures

This table includes purchases, sales and awards in the public filing record. Awards and open-market purchases are distinct transaction codes. For historical research, use the public availability date to determine when the transaction was knowable.

Read code P as a purchase, S as a sale and A as an award. An award is an acquisition, but it is not an open-market purchase. Open the filing receipt to check the transaction details.

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Most recent 90-day source activity, up to 50 rows. No rows means no matching recent records, not no historical activity.

Officers and directors in the directory

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DICKERSON LAWRENCE R	0001249072	50
Shipp Earl L	0001721123	5
SOULELES THOMAS S	0001245966	19
GRISSOM DOUGLAS C	0001246240	7
Steger Ronald	0001616560	7
ALBERT CARL A	0001287248	35
Becker Steven W	0001384148	1
Berger Jonathan W	0001318338	11
BEYKO ELENI	0001929993	1
Bittel Stephen	0001418692	11
Deutsch Peter	0001317879	27
Gillespie Christopher J	0001384118	4
GUNSTEN CHRISTOPHER	0001939594	1
Hansen Bradley T.J.	0001384114	7
HANSON WILLIAM H	0001808410	4
JOHANSON DAVID	0001940445	2
Johnson Kyle D	0001384113	3
Karas John F	0001384147	3
Kornblau Scott Lee	0001724302	5
LaVoy Kathleen Mackie	0001658715	6
Leight Nathan	0001317779	105
Levenson Ryan	0001363032	164
Lowry Richard M	0001384111	1
Mackie Douglas B	0001384109	47
O'Hara Steven F.	0001384116	1
Pagendarm William F	0001384115	2
Petterson Lasse	0001455941	27
Shanahan Kathleen M	0001292085	8
Simonelli David E	0001384117	60
Uhler Robert B	0001656736	6
Walsh Michael Joseph	0001615912	1
Waryjas Maryann	0001556571	2
Weiss Jason	0001317772	252
Wensel Deborah A	0001384149	8
William Hanson H.	0001414220	1

Which transactions qualify for the company tracker

The company strategy uses verified officers and directors with qualifying acquisitions at this issuer. Other reporting owners may appear in source records without becoming strategy signals.

Strategy eligibility is held while filing coverage is unresolved.

Historical follower simulations are separate from these source transactions. They do not establish live trading results.