4/1/24 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 1/3/24 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 10/2/23 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 7/3/23 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 5/19/23 Levenson Ryan 4 Director² 1:8K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 5/15/23 Levenson Ryan 4 Director² 1:5K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 5/12/23 Levenson Ryan 4 Director² 1:7K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 4/3/23 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 1/3/23 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 10/4/22 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 7/5/22 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 4/4/22 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 1/4/22 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 12/23/21 Levenson Ryan 4 %Own.,Oth.² 1:8K Ascent Industries Co. Olshan Frome Wolosky LLP Privet Fund LP Privet Fund Management LLC 10/4/21 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 7/2/21 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 7/2/21 Levenson Ryan 4/A Director² 2:9K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 6/10/21 Levenson Ryan 4 %Own.,Oth.² 1:12K Ascent Industries Co. Olshan Frome Wolosky LLP Privet Fund LP Privet Fund Management LLC 4/2/21 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA 1/4/21 Levenson Ryan 4 Director² 1:6K Great Lakes Dredge & Dock Corp. DONNELLEY FIN… File16/FA