Heavy Construction Other Than Building Construction Contractors - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)		 Ownership Change
(Percent)
2025-08-22 13D/A MTZ / MasTec, Inc. Mas Jorge 11,872,231 15.00 0.31
2025-08-22 13D/A MTZ / MasTec, Inc. Mas Jose Ramon 6,186,877 7.80 0.62
2025-08-08 13D/A ROAD / Construction Partners, Inc. Fleming Ned N. IV 1,109,679 2.30
2024-12-31 13D/A SLND / Southland Holdings, Inc. Renda Frankie S. 27,811,703 51.60 14.34
2024-12-31 13D/A SLND / Southland Holdings, Inc. Renda Rudolph V. 9,212,257 17.10 48.09
2024-12-31 13D/A SLND / Southland Holdings, Inc. Winn Walter Timothy 3,582,070 6.60 -42.42
2024-10-22 13D/A ROAD / Construction Partners, Inc. Fleming Ned N. IV 1.10
2024-09-27 13D/A SHIM / Shimmick Corporation Aecom 6,714,448 19.90 0.10
2024-09-10 13D/A MTZ / MasTec, Inc. Mas Jorge 11,835,203 14.90 0.79
2024-09-10 13D/A MTZ / MasTec, Inc. Mas Jose Ramon 6,148,855 7.80 1.15
2024-08-30 13D/A PLPC / Preformed Line Products Company Ruhlman Robert G 1,450,813 29.53 -7.49
2024-08-30 13D/A PLPC / Preformed Line Products Company Third Restatement of Barbara P. Ruhlman Trust Agreement, dated November 20, 2008 0 0.00 -100.00
2024-08-30 13D/A PLPC / Preformed Line Products Company Ruhlman Randall M 1,147,610 23.36 -8.24
2024-06-26 13D/A SHIM / Shimmick Corporation Aecom 6,708,051 19.90 30.39
2024-05-24 13D/A ROAD / Construction Partners, Inc. Fleming Ned N. IV 1.10
2024-05-24 13D SHIM / Shimmick Corporation Aecom 5,144,622 16.70
2023-08-11 13D ROAD / Construction Partners, Inc. Fleming Ned N. IV 0.80
2023-05-26 13D/A SLND / Southland Holdings, Inc. Renda Frankie S. 24,324,436 50.80 9.98
2023-02-24 13D SLND / Southland Holdings, Inc. Winn Walter Timothy 6,220,558 14.00
2023-02-24 13D SLND / Southland Holdings, Inc. Renda Frankie S. 22,117,537 49.80
2023-02-24 13D SLND / Southland Holdings, Inc. Renda Rudolph V. 6,220,560 14.00
2023-01-13 13D/A MTZ / MasTec, Inc. Mas Jose Ramon 6,079,185 7.70 7.30
2023-01-13 13D/A MTZ / MasTec, Inc. Mas Jorge 11,742,880 14.90 1.22
2022-09-16 13D/A PLPC / Preformed Line Products Company Ruhlman Randall M 1,250,704 25.31 -16.53
2022-09-16 13D/A PLPC / Preformed Line Products Company Ruhlman Robert G 1,568,204 31.74 0.61
2022-09-16 13D/A PLPC / Preformed Line Products Company Third Restatement of Barbara P. Ruhlman Trust Agreement, dated November 20, 2008 1,414,613 28.63
2022-08-02 13D/A PLPC / Preformed Line Products Company Barbara P Ruhlman Revocable Trust dated 9/21/16 1,414,613 28.63 74.56
2022-01-14 13D/A PLPC / Preformed Line Products Company Barbara P Ruhlman Revocable Trust dated 9/21/16 810,400 16.54
2021-02-11 13D/A FLR / Fluor Corporation Isico-a, Llc 54,460 0.00 -99.60
2020-07-24 13D/A PRIM / Primoris Services Corporation Pratt Brian 2,112,709 4.40 -23.98
2020-03-26 13D/A FLR / Fluor Corporation Isico-a, Llc 13,725,938 9.79 0.00
2020-03-25 13D/A FLR / Fluor Corporation Isico-a, Llc 13,725,938 9.79 12.89
2020-03-23 13D/A FLR / Fluor Corporation Isico-a, Llc 12,158,338 8.67 0.00
2020-03-21 13D/A FLR / Fluor Corporation Isico-a, Llc 12,158,338 8.67 27.82
2020-03-16 13D/A FLR / Fluor Corporation Isico-a, Llc 9,512,298 6.79 32.93
2019-12-16 13D/A PRIM / Primoris Services Corporation Pratt Brian 2,779,162 5.70
2019-11-20 13D/A MTZ / MasTec, Inc. Mas Jose Ramon 5,665,792 7.40 2.52
2019-11-20 13D/A MTZ / MasTec, Inc. Mas Jorge 11,601,007 13.30 6.73
2019-11-06 13D/A ORN / Orion Group Holdings, Inc. Palogic Value Management, L.P. 1,382,993 4.70 -18.06
2019-09-12 13D/A ORN / Orion Group Holdings, Inc. Palogic Value Management, L.P. 1,687,875 5.70 -18.60
2019-09-11 13D FLR / Fluor Corporation Isico-a, Llc 7,156,060 5.11
2019-07-18 13D/A ORN / Orion Group Holdings, Inc. Palogic Value Management, L.P. 2,073,585 7.10 -1.26
2019-05-31 13D ORN / Orion Group Holdings, Inc. Palogic Value Management, L.P. 2,100,000 7.20
2019-03-06 13D/A GLDD / Great Lakes Dredge & Dock Corporation Privet Fund Management LLC 1,465,499 2.30 -53.75
2017-01-03 13D/A GLDD / Great Lakes Dredge & Dock Corporation Privet Fund Management LLC 3,168,925 5.20 0.00
2016-12-07 13D/A PLPC / Preformed Line Products Company Ruhlman Barbara P 1,432,033 27.97 0.00
2016-12-06 13D/A PLPC / Preformed Line Products Company Ruhlman Robert G 1,558,760 30.44 113.80
2016-12-06 13D/A PLPC / Preformed Line Products Company Ruhlman Randall M 1,498,350 29.26 123.46
2016-11-21 13D GLDD / Great Lakes Dredge & Dock Corporation Privet Fund Management LLC 3,168,925 5.20
2016-10-13 13D/A PLPC / Preformed Line Products Company Ruhlman Randall M 670,530 13.08