| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
CEO & President | CEO | Director
1 company
Lasse Petterson last filed a Form 4 in May 2025, as CEO & President at GLDD. Lasse Petterson's net worth is not public. Form 4 filings only show shares in the companies where this person was an insider, as of the last filing.
Historically, Lasse Petterson's trades have earned a below-average insider score of 31/100 across 7 rated trades. Over a 12-month horizon, none of those trades were profitable, with an average 12-month return of -24.2%.
Lasse Petterson has 44 Form 4 filings on record from December 2016 to May 2025, all as CEO & President at Great Lakes Dredge & Dock (GLDD), 2016–2025.
The 73 reported transactions were 28 stock awards, 25 tax withholdings, 13 open-market purchases and 7 open-market sales.
Counted by filing, the open-market trades come to 5 purchases worth about $1.3M and 4 sales worth about $2.5M.
The largest open-market purchase was 155,897 shares of GLDD at an average $3.74 on August 11, 2017, about $583K.
The largest open-market sale was 110,863 shares of GLDD at an average $9.09 on August 16, 2024, about $1.0M. Twelve months later GLDD was up 24%.
All 3 sales since April 2023 were made under a Rule 10b5-1 trading plan, set up in advance.
Shares as reported in the last Form 4 for each company; the most recent is from May 2025. Values use today's prices. Any trades after the last filing were not reported, so current holdings may differ.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 26, 2024 | GLDD Great Lakes Dredge & Dock Corp | CEO & President | Sell10b5-1 | 75,219 | $9.14 | $687,669.18 | -7.7% | +26.8% | +21.5% | |
| Aug 20, 2024 | GLDD Great Lakes Dredge & Dock Corp | CEO & President | Sell10b5-1 | 63,918 | $9.07 | $579,502.96 | -6.1% | +37.4% | +30.4% | |
| Aug 16, 2024 | GLDD Great Lakes Dredge & Dock Corp | CEO & President | Sell10b5-1 | 110,863 | $9.09 | $1,008,185.24 | -9.6% | +33.0% | +24.5% | |
| Aug 5, 2022 | GLDD Great Lakes Dredge & Dock Corp | CEO & President | Buy | 10,000 | $9.65 | $96,540.00 | +1.0% | -28.6% | -11.5% | |
| Jun 8, 2020 | GLDD Great Lakes Dredge & Dock Corp | CEO & President | Sell | 21,121 | $10.76 | $227,272.52 | -2.5% | - | - | |
| Aug 14, 2018 | GLDD Great Lakes Dredge & Dock Corp | CEO | Buy | 50,000 | $5.30 | $264,844.75 | +8.0% | - | - | |
| Aug 14, 2017 | GLDD Great Lakes Dredge & Dock Corp | CEO | Buy | 42,610 | $3.92 | $166,834.48 | +13.6% | - | - | |
| Aug 11, 2017 | GLDD Great Lakes Dredge & Dock Corp | CEO | Buy | 155,897 | $3.74 | $583,124.84 | +298.7% | - | - | |
| Mar 13, 2017 | GLDD Great Lakes Dredge & Dock Corp | Director | Buy | 50,000 | $4.30 | $215,000.00 | +17,668% | - | - |