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Nessim Mezrahi
Stephen Sigrist

In the following guest post, Nessim Mezrahi and Stephen Sigrist analyze financial market trends to assess the recent variances in the U.S. securities litigation risk. Nessim Mezrahi is co-founder and CEO, and Stephen Sigrist is a senior vice president, at SAR LLC. SAR previously published this data on their U.S. Securities Litigation Risk Management Report – Nov. 2025, here. I would like to thank Nessim and Stephen for allowing me to publish their article on my site.Continue Reading Guest Post:  Deterioration in U.S. Securities Litigation Risk

Nessim Mezrahi

In the following guest post, Nessim Mezrahi identifies three factors that present the current state of play in the U.S. D&O market.  Nessim is co-founder and CEO of the data analytics firm SAR LLC.  SAR previously published a version of this article as a client alert on May 23, 2025.  I would like to thank Nessim for allowing me to publish this article as a guest post on this site. I welcome guest post submissions from responsible authors on topics of interest to the site’s readers. Please contact me directly if you would like to submit a guest post. Here is Nessim’s article.Continue Reading Guest Post: The State of U.S. D&O Market: Three Factors Impacting the U.S. D&O Market

Nessim Mezrahi

In the following guest post, Nessim Mezrahi reviews the ways in which the current surging stock market affects the potential exposures of publicly traded companies and the implications for the D&O insurance industry. Nessim is co-founder and CEO of the data analytics firm SAR LLC. SAR previously published a version of this article as a client alert. I would like to thank Nessim for allowing me to publish this article as a guest post on this site. I welcome guest post submissions from responsible authors on topics of interest to the site’s readers. Please contact me directly if you would like to submit a guest post. Here is Nessim’s article.Continue Reading Guest Post: Securities Litigation Exposure Increases During Bull Stock Market  

Nessim Mezrahi

In a recent post, I reviewed the number of first half 2023 securities class action lawsuit filings. In the following guest post, Nessim Mezrahi, co-founder and CEO at SAR LLC, analyses the potential financial exposure associated with the securities suit filings from the year’s first six months, as well as the implications of the filings for the D&O insurance industry. Nessim’s article first was published in the form of an SAR press release (here). I would like to thank Nessim for allowing me to publish his article on this site. I welcome guest post submissions from responsible authors on topics of interest to this site’s readers. Please contact me directly if you would like to submit a guest post. Here is Nessim’s article.Continue Reading Guest Post: 2023 Market Dynamics Testing D&O Rate Adequacy and Coverage Sufficiency

Nessim Mezrahi

Stephen Sigrist

As I have noted in prior posts on this site (here, for example) D&O insurers confront a number of underwriting challenges in the current financial environment, including a host of macroeconomic factors that are complicated affairs for their policyholders and that could even lead to claims. In the following guest post, Nessim Mezrahi and Stephen Sigrist take a look at the challenging factors the D&O insurers are facing and consider the implications. Mezrahi is co-founder and CEO and Sigrist is Vice President of Data Science at SAR LLC. A copy of this article previously was published on Law360. I would like to thank the authors for allowing me to publish their article on my site. I welcome guest post submissions from responsible authors on topics of interest to this blog’s readers. Please contact me directly if you would like to submit a guest post. Here is the authors’ article.
Continue Reading Guest Post: D&O Insurer Challenges Amid Market, Economic Turbulence

John Cheffers

One of the key considerations related securities class action litigation risk is company size as measured by market capitalization. In the following guest post, John Cheffers details this relation between company size and securities class action litigation risk. John is Associate Counsel and Director of Research for Watchdog Research. I would like to thank John for allowing me to publish his article as a guest post on this site. I welcome guest post submissions from responsible authors on topics of interest to this blog’s readers. Please contact me directly if you would like to submit a guest post. Here is John’s article.
Continue Reading Guest Post: Analyzing Securities Class Actions by Size

One of the shorthand expressions sometimes used to refer to shareholder class action litigation is to call them “stock drop lawsuits.” Securities suits do indeed involve stock drops. But how often do stock drops actually result in lawsuits? That is the interesting questions asked in the following guest post from Stanford Law School Professor Michael Klausner and Sam Blake Curry and Jason Hegland of Stanford Securities Litigation Analytics. I would like to thank the authors for allowing me to publish their article as a guest post on this site. I welcome guest post submissions from responsible authors on topics of interest to this blog’s readers. Please contact me directly if you would like to submit a guest post. Here is the authors’ article.
Continue Reading Guest Post: “Stock Drop” Lawsuits