Industrial Instruments for Measurement, Display, and Control of Process Variables; and Related Products - 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)
2025-02-19 13D/A CLIR / ClearSign Technologies Corporation clirSPV LLC 2,249,027 4.30 -77.68
2024-06-26 13D/A CLIR / ClearSign Technologies Corporation clirSPV LLC 10,074,340 19.99 54.99
2024-02-21 13D/A ELSE / Electro-Sensors, Inc. Peterson Lynne Elizabeth 350,893 10.20 -0.01
2024-02-14 13D ELSE / Electro-Sensors, Inc. Peterson Lynne Elizabeth 350,938 10.20
2024-02-14 13D ELSE / Electro-Sensors, Inc. Peterson Patricia Nancy 364,768 10.60
2024-02-14 13D ELSE / Electro-Sensors, Inc. Peterson Jeffrey Dean 353,438 10.30
2024-02-14 13D ELSE / Electro-Sensors, Inc. Peterson John Eberhart 350,893 10.20
2024-02-14 13D ELSE / Electro-Sensors, Inc. Peterson Paul Rodney 350,893 10.20
2024-02-05 13D/A CLIR / ClearSign Technologies Corporation clirSPV LLC 6,500,029 16.80 -14.28
2023-03-20 13D/A SENS / Senseonics Holdings, Inc. PHC Holdings Corp 86,892,237 15.41 27.22
2022-12-23 13D/A SMIT / Schmitt Industries, Inc. Lazar David E. 0 0.00
2022-11-14 13D/A SMIT / Schmitt Industries, Inc. Gamco Investors, Inc. Et Al 586,000 15.13 -3.93
2022-10-07 13D/A ELSE / Electro-Sensors, Inc. Activist Investing LLC 0 0.00 -100.00
2022-07-18 13D/A CLIR / ClearSign Technologies Corporation clirSPV LLC 7,583,234 19.90 26.84
2022-01-14 13D ELSE / Electro-Sensors, Inc. Activist Investing LLC 141,244 5.70
2021-11-19 13D SMIT / Schmitt Industries, Inc. Activist Investing LLC 377,892 9.90
2021-11-02 13D/A DHR / Danaher Corporation Rales Mitchell P 35,669,704 4.99 0.00
2021-06-14 13D/A DHR / Danaher Corporation Rales Mitchell P 35,669,704 5.00 0.56
2021-06-14 13D/A DHR / Danaher Corporation Rales Steven M 43,454,958 6.10 0.12
2021-02-03 13D/A SENS / Senseonics Holdings, Inc. Masters Capital Management Llc 26,754,201 4.60 0.00
2021-01-21 13D SENS / Senseonics Holdings, Inc. Masters Capital Management Llc 26,754,201 5.89
2021-01-08 13D/A SENS / Senseonics Holdings, Inc. New Enterprise Associates 10 L P
2020-11-05 13D SENS / Senseonics Holdings, Inc. PHC Holdings Corp 68,300,652 24.80
2020-11-03 13D/A SENS / Senseonics Holdings, Inc. New Enterprise Associates 10 L P 14,474,258 6.20 -13.82
2020-10-07 13D/A CLIR / ClearSign Technologies Corporation clirSPV LLC 5,978,483 19.90 12.29
2020-10-06 13D/A SENS / Senseonics Holdings, Inc. New Enterprise Associates 10 L P 16,794,653 7.20 -12.26
2020-08-27 13D/A SMIT / Schmitt Industries, Inc. Gamco Investors, Inc. Et Al 610,000 16.15
2020-06-15 13D/A SENS / Senseonics Holdings, Inc. New Enterprise Associates 10 L P 19,142,350 8.30 -26.40
2020-05-28 13D/A SENS / Senseonics Holdings, Inc. New Enterprise Associates 10 L P 26,009,686 11.90 -8.30
2020-05-22 13D/A FTV / Fortive Corporation Rales Steven M 16,620,210 4.90 -22.97
2020-05-19 13D/A SENS / Senseonics Holdings, Inc. New Enterprise Associates 10 L P 28,362,910 13.00 -7.23
2020-05-14 13D/A DHR / Danaher Corporation Rales Steven M 43,401,249 6.10
2020-05-12 13D DHR / Danaher Corporation Rales Mitchell P 35,472,803 5.00 -0.68
2020-05-05 13D/A FTV / Fortive Corporation Rales Mitchell P 11,443,870 3.40 -41.56
2020-04-14 13D/A SENS / Senseonics Holdings, Inc. New Enterprise Associates 10 L P 30,573,948 14.80 -6.33
2020-01-28 13D/A SENS / Senseonics Holdings, Inc. Smith Robert J 19,716,139 0.79
2019-12-20 13D/A SMIT / Schmitt Industries, Inc. Sententia Capital Management, Llc 522,012 12.80 48.82
2019-12-19 13D/A SMIT / Schmitt Industries, Inc. Pistor Walter Brown 0 0.00
2019-10-07 13D/A SENS / Senseonics Holdings, Inc. Smith Robert J 19,561,798 10.13
2019-08-01 13D/A SENS / Senseonics Holdings, Inc. Smith Robert J 17,761,798 19.27
2019-07-08 13D/A CLIR / ClearSign Technologies Corporation Simmons James M 1,666,627 6.40 0.00
2019-07-06 13D/A CLIR / ClearSign Technologies Corporation Simmons James M 1,666,627 6.40 0.00
2019-04-22 13D/A DHR / Danaher Corporation Rales Mitchell P 35,716,403 5.00 -16.48
2019-03-20 13D/A SENS / Senseonics Holdings, Inc. Roche Holding Ltd 29,319,010 16.48 0.00
2019-01-18 13D CLIR / ClearSign Technologies Corporation Simmons James M 1,666,627 6.20
2018-11-20 13D ELSE / Electro-Sensors, Inc. Estate Of Nancy P. Peterson 1,004,464 29.60
2018-10-22 13D/A SMIT / Schmitt Industries, Inc. Sententia Capital Management, Llc 350,779 8.80 17.27
2018-10-19 13D/A MLAB / Mesa Laboratories, Inc. Seg Ventures, Llc 73,067 1.90
2018-08-24 13D/A SENS / Senseonics Holdings, Inc. Smith Robert J 14,891,798 9.26
2018-08-20 13D/A SMIT / Schmitt Industries, Inc. Sententia Capital Management, Llc 299,115 7.50 13.62