Electrical Industrial Apparatus - 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)
2026-05-14 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 20,694,880 19.50 -5.87
2026-04-30 13D/A SCWO / 374Water Inc. Nagar Yaacov 1,771,263 10.16 -44.84
2026-03-12 13D/A SCWO / 374Water Inc. McKnight Stephen H. 410,086 2.40
2026-02-19 13D SCIA / SCI Engineered Materials, Inc. Kohnen Charles 364,000 8.12 1.68
2026-02-13 13D/A SCIA / SCI Engineered Materials, Inc. Loveland Curtis A 158,656 3.50
2026-01-28 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 21,984,660 21.01 -5.56
2026-01-26 13D/A SCWO / 374Water Inc. Nagar Yaacov 3,211,263 19.00
2026-01-05 13D/A SCWO / 374Water Inc. Nagar Yaacov 3,211,263 19.00
2025-12-16 13D/A SCWO / 374Water Inc. Nagar Yaacov 32,112,632 19.00 0.00
2025-12-12 13D SCWO / 374Water Inc. Nagar Yaacov 32,112,632 19.00 -14.82
2025-12-09 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 23,279,880 22.25 -5.25
2025-11-04 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 24,568,533 23.49 -0.54
2025-10-29 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 24,702,880 23.61 -7.58
2025-08-20 13D/A BE / Bloom Energy Corporation SK ecoplant Co., Ltd. 10,883,701 4.70 0.00
2025-08-18 13D/A BE / Bloom Energy Corporation SK ecoplant Co., Ltd. 10,883,701 4.70 -19.33
2025-08-01 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 26,729,880 25.60 0.00
2025-07-17 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 26,729,880 25.60 -8.55
2025-07-14 13D/A BE / Bloom Energy Corporation SK ecoplant Co., Ltd. 13,491,701 5.80 -42.57
2025-06-25 13D/A PLUG / Plug Power Inc. Grove Energy Capital LLC 54,966,188 4.80 0.00
2024-11-26 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 29,229,880 28.30 -4.13
2024-11-06 13D/A PLUG / Plug Power Inc. Grove Energy Capital LLC 54,966,188 6.20 0.00
2024-10-31 13D/A SCWO / 374Water Inc. Nagar Yaacov 37,699,949 28.40 -0.00
2024-10-21 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 30,490,300 29.50 -3.53
2024-09-23 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 31,605,300 30.60 -4.24
2024-05-28 13D/A NPWR / NET Power Inc. 8 Rivers Capital, LLC 33,005,300 32.30 -7.04
2023-10-03 13D/A BE / Bloom Energy Corporation SK ecoplant Co., Ltd. 23,491,701 10.50 0.00
2023-06-20 13D NPWR / NET Power Inc. 8 Rivers Capital, LLC 35,505,300 17.40
2023-06-20 13D NPWR / NET Power Inc. Occidental Petroleum Corp /de/ 89,553,242 72.90
2023-04-19 13D/A BE / Bloom Energy Corporation SK ecoplant Co., Ltd. 23,491,701 11.50 0.00
2023-03-24 13D/A BE / Bloom Energy Corporation SK ecoplant Co., Ltd. 23,491,701 11.50 0.00
2023-03-14 13D/A BE / Bloom Energy Corporation SK ecoplant Co., Ltd. 23,491,701 11.50 0.00
2022-12-12 13D/A BE / Bloom Energy Corporation SK ecoplant Co., Ltd. 23,491,701 11.60 0.00
2022-10-04 13D BE / Bloom Energy Corporation SK ecoplant Co., Ltd. 23,491,701 11.50
2022-05-11 13D/A PLUG / Plug Power Inc. Grove Energy Capital LLC 54,966,188 9.50 0.00
2021-11-23 13D/A BE / Bloom Energy Corporation New Enterprise Associates 10 L P
2021-10-27 13D SCWO / 374Water Inc. Merrell Terry 7,118,333 5.73
2021-05-11 13D SCWO / 374Water Inc. Deshusses Marc 22,620,451 19.00
2021-05-11 13D SCWO / 374Water Inc. Nagar Yaacov 37,700,752 31.70
2021-03-08 13D PLUG / Plug Power Inc. Grove Energy Capital LLC 54,966,188 9.60
2020-08-24 13D BE / Bloom Energy Corporation New Enterprise Associates 10 L P 13,328,900 11.60 29.46
2017-09-29 13D/A SEV / Aptera Motors Corp. Gamco Investors, Inc. Et Al 0 0.00 -100.00
2017-09-29 13D/A SEV / Aptera Motors Corp. Schorr Marvin G 0 0.00
2017-09-05 13D/A SEV / Aptera Motors Corp. Gamco Investors, Inc. Et Al 1,033,949 15.67 0.05
2017-08-17 13D/A SEV / Aptera Motors Corp. Gamco Investors, Inc. Et Al 1,033,449 15.71 -1.12
2017-07-21 13D/A SEV / Aptera Motors Corp. Meson Capital Partners LLC 1,140,873 18.80 0.09
2017-07-20 13D/A SEV / Aptera Motors Corp. Meson Capital Partners LLC 1,139,859 18.80 -1.47
2017-07-18 13D/A SEV / Aptera Motors Corp. Gamco Investors, Inc. Et Al 1,045,149 15.90
2017-01-30 13D/A SEV / Aptera Motors Corp. Gamco Investors, Inc. Et Al
2017-01-05 13D/A SEV / Aptera Motors Corp. Meson Capital Partners LLC 1,156,812 20.20 2.15
2016-12-22 13D/A SEV / Aptera Motors Corp. Meson Capital Partners LLC 1,132,482 19.90 0.00