Securities class action lawsuit filings “plummeted” in 2021 compared to recent prior years, largely as a result of declines in M&A litigation and in the number of “core” Rule 10b-5 lawsuits, according to the latest annual report from Cornerstone Research. According to the report, entitled “Securities Class Action Filings: 2021 Year in Review,” the number of new federal and state securities class action lawsuit filings decline 35% compared to 2020, but nevertheless remained “in line” with the 2012-2016 average. The report can be found here. Cornerstone Research’s February 2, 2022 press release about the report can be found here. My summary of the 2021 federal court securities class action lawsuit filings can be found here.
Continue Reading Cornerstone Research: Securities Suit Filings “Plummet” in 2021

Largely due to a “substantial reduction” in the number of merger objection lawsuit filings, as well as a decline in the number of Section 11 and 1933 Act securities class action filings, the number of federal and state court securities class action lawsuits filed in the first six months of 2021 “dropped considerably” compared to the second half of 2020, according to a new report from Cornerstone Research. Filings of core Section 10(b) suit filings were, however, only “down modestly.” The report, entitled “Securities Class Action Filings: 2021 Midyear Assessment,” can be found here. Cornerstone Research’s July 28, 2021 press release about the report can be found here. My own analysis of the 1H21 federal court securities class action lawsuit filings can be found here.
Continue Reading Cornerstone Research: Securities Suit Filings Declined in Year’s First Half

For the second straight year, securities class action lawsuit filings reached record levels in 2017, according to the January 30, 2018 report from Cornerstone Research. According to the report, entitled “Securities Class Action Filings: 2017 Year in Review” (here), securities suit filings during the year reached “unprecedented levels” and companies on U.S. exchanges were more likely to be the subject of a securities suit than in any previous year. Cornerstone Research’s January 30, 2018 press release about the report can be found here. My own analysis of the 2017 securities class action lawsuit filings can be found here.
Continue Reading Cornerstone Research: 2017 Securities Lawsuit Filings at “Unprecedented Levels”

Largely as a result of the continuing upsurge in the number of federal court merger objection lawsuits, securities class action lawsuits were filed at historic levels during the first half of 2017 and well above last year’s elevated pace. Though the number of filings in this year’s second quarter were slightly  lower than in the first quarter, the total number of filings in the first six months of the year overall were on pace for the highest annual number of securities class action lawsuits since 2001.
Continue Reading First Half 2017 Securities Suit Filings Continue at Exceptional Levels