Activist Investor 13D Filings


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.

DateFormInvestorTargetSharesOwnership
(Percent)
Ownership Change
(Percent)
2018‑04‑16 SC 13D/A Voss Capital Llc PAR / Par Technology 1,103,314 6.9 0.00
2018‑04‑05 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 2,698,725 27.3 7.11
2018‑03‑23 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 2,519,498 25.5 7.23
2018‑03‑14 SC 13D/A VIEX Capital Advisors, LLC RSYS / RadiSys 1,899,443 4.8 -40.03
2018‑03‑09 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 2,349,724 23.8 7.21
2018‑03‑07 SC 13D/A ATLANTIC INVESTMENT MANAGEMENT INC DBD / Diebold 6,100,000 8.0 18.02
2018‑03‑05 SC 13D Shannon River Fund Management LLC IMMR / Immersion 1,794,019 6.09 95.40
2018‑02‑14 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 2,191,681 22.2 8.02
2018‑02‑02 SC 13D Voss Capital Llc PAR / Par Technology 1,103,314 6.9
2018‑02‑02 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 2,029,052 20.5 6.57
2018‑01‑25 SC 13D/A VA Partners I, LLC STX / Seagate Technology 21,458,600 7.4 0.00
2018‑01‑23 SC 13D/A VIEX Capital Advisors, LLC IMMR / Immersion 2,083,576 7.1 12.90
2018‑01‑05 SC 13D/A ATLANTIC INVESTMENT MANAGEMENT INC DBD / Diebold 5,168,422 6.8 -23.98
2018‑01‑04 SC 13D/A Vecima Networks Inc. CCUR / Concurrent Computer 0 0.0 -100.00
2017‑12‑21 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 1,903,959 19.3 8.59
2017‑12‑19 SC 13D/A Raging Capital Management, LLC IMMR / Immersion 4,779,346 16.3 10.46
2017‑12‑08 SC 13D/A Raging Capital Management, LLC IMMR / Immersion 4,326,903 14.8 10.55
2017‑12‑07 SC 13D/A VIEX Capital Advisors, LLC IMMR / Immersion 1,845,434 6.3 -9.93
2017‑12‑06 SC 13D/A VIEX Capital Advisors, LLC RSYS / RadiSys 3,167,365 8.1 38.41
2017‑12‑04 SC 13D/A Raging Capital Management, LLC IMMR / Immersion 3,913,859 13.4 37.36
2017‑11‑16 SC 13D/A ATLANTIC INVESTMENT MANAGEMENT INC DBD / Diebold 6,799,000 9.0 13.32
2017‑11‑15 SC 13D/A Starboard Value LP QTM / Quantum 957,067 2.8 -96.73
2017‑11‑13 SC 13D/A VIEX Capital Advisors, LLC QTM / Quantum 3,691,464 10.7 -87.50
2017‑11‑09 SC 13D/A Private Capital Management, LLC QTM / Quantum
2017‑11‑02 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 1,753,331 17.7 2.42
2017‑10‑24 SC 13D 210 Capital, Llc CRDS / Crossroads Systems 1,492,285 49.5
2017‑10‑24 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 1,711,893 17.3 24.74
2017‑10‑23 SC 13D Vecima Networks Inc. CCUR / Concurrent Computer 2,027,893 20.5
2017‑10‑06 SC 13D/A Lone Star Value Management LLC CRDS / Crossroads Systems 89,090 3.0 0.00
2017‑09‑14 SC 13D/A Lone Star Value Management LLC CRDS / Crossroads Systems 89,090 7.3
2017‑09‑01 SC 13D/A VA Partners I, LLC STX / Seagate Technology 21,458,600 7.4 2.18
2017‑08‑23 SC 13D VIEX Capital Advisors, LLC RSYS / RadiSys 2,288,357 5.9 26.31
2017‑08‑11 SC 13D VA Partners I, LLC STX / Seagate Technology 21,000,000 7.2 0.00
2017‑08‑10 SC 13D VA Partners I, LLC STX / Seagate Technology 21,000,000 7.2
2017‑07‑19 SC 13D/A Nierenberg Investment Management Company, Inc. RSYS / RadiSys 1,589,653 4.1
2017‑07‑10 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 1,372,379 13.9 0.00
2017‑06‑28 SC 13D/A ATLANTIC INVESTMENT MANAGEMENT INC DBD / Diebold 6,000,000 7.9 18.55
2017‑05‑23 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 1,372,379 13.9 16.07
2017‑05‑18 SC 13D/A SINGER JULIAN D. CCUR / Concurrent Computer 1,182,379 12.0 32.18
2017‑05‑12 SC 13D Raging Capital Management, LLC IMMR / Immersion 2,849,289 9.8 75.79
2017‑05‑04 SC 13D/A Albert W. Ondis Declaration Of Trust ALOT / Astro-Med 168,530 2.239 -82.39
2017‑05‑04 SC 13D/A Ondis Albert W. Iii ALOT / Astro-Med 168,530 2.239 -79.60
2017‑03‑21 SC 13D/A ATLANTIC INVESTMENT MANAGEMENT INC DBD / Diebold 5,061,102 6.7 31.29
2017‑03‑17 SC 13D/A Blackstone Holdings III L.P. NCR / NCR 14,895,018 10.8 36,738.77
2017‑03‑03 SC 13D/A VIEX Capital Advisors, LLC QTM / Quantum 29,531,722 10.9 0.00
2017‑02‑07 SC 13D/A VIEX Capital Advisors, LLC IMMR / Immersion 2,048,898 7.1 -12.03
2017‑02‑06 SC 13D/A VIEX Capital Advisors, LLC QTM / Quantum 29,531,722 10.9 0.00
2017‑02‑06 SC 13D/A Private Capital Management, LLC QTM / Quantum
2017‑02‑02 SC 13D/A Nierenberg Investment Management Company, Inc. RSYS / RadiSys
2016‑12‑28 SC 13D/A VIEX Capital Advisors, LLC IMMR / Immersion 2,329,006 8.1 -10.70