Sara E. Collier – Shareholder Derivatives and Investor Class Action Attorney

Sara E. Collier is an experienced complex litigation attorney whose practice focuses on shareholder derivative actions, securities class actions, and other investor-protection litigation. She is widely recognized for her work representing shareholders in cases alleging corporate misconduct, breaches of fiduciary duty, and failures of corporate governance. Ms. Collier is committed to ensuring that boards of directors and corporate executives are held accountable to the investors they serve. Learn about our current shareholder investigations.

With more than two decades of experience litigating derivative and securities cases across the country, Ms. Collier has developed deep knowledge of the legal frameworks governing corporate governance and shareholder rights. She regularly works on matters involving allegations of insider misconduct, executive self-dealing, inadequate oversight, and violations of federal securities laws. Through strategic litigation, she helps investors seek relief when corporate leadership fails to fulfill its fiduciary obligations or when misleading statements and omissions harm shareholders.

Shareholder Derivative Litigation

Ms. Collier has extensive experience prosecuting shareholder derivative lawsuits—cases brought on behalf of a corporation against its officers and directors for breaches of fiduciary duty. These matters often arise when corporate leadership engages in misconduct or fails to implement adequate compliance systems, resulting in significant financial or reputational harm to the company.

Her derivative litigation practice includes:

• Investigating potential breaches of fiduciary duty by corporate officers and directors
• Litigating claims involving corporate waste, insider trading, self-dealing, and mismanagement
• Challenging executive compensation and conflicted transactions
• Pursuing claims related to oversight failures
• Negotiating governance reforms designed to strengthen board oversight and protect shareholder interests

Ms. Collier has particular familiarity with Delaware corporate law and regularly works on matters filed in jurisdictions where publicly traded corporations are incorporated. Her experience navigating Delaware-based corporate governance disputes allows her to effectively challenge corporate leadership and advocate for meaningful reforms and financial recoveries for shareholders.

Securities and Investor Class Actions

In addition to derivative litigation, Ms. Collier represents investors in complex securities class actions involving allegations of securities fraud, false or misleading disclosures, and violations of federal securities laws. These cases often arise when companies misrepresent financial performance, fail to disclose material risks, or engage in accounting irregularities that artificially inflate stock prices.

Her work in securities and investor litigation includes:

• Representing shareholders in federal securities fraud class actions
• Investigating misleading corporate disclosures and financial reporting irregularities
• Litigating claims under the Securities Exchange Act and related federal statutes
• Pursuing recovery for investors harmed by market manipulation or corporate misstatements
• Working with financial and corporate governance experts to develop complex damages and liability theories

Through these cases, Ms. Collier seeks to protect the integrity of the securities markets and ensure that investors receive accurate and transparent information from publicly traded companies.

Nationwide Litigation Experience

Ms. Collier’s litigation practice spans multiple jurisdictions and federal courts. She is admitted to practice in Oklahoma and in several federal courts, including the United States District Courts for the Eastern, Western, and Northern Districts of Oklahoma and the Southern District of Texas, as well as the U.S. Court of Appeals for Veterans Claims.

Her multijurisdictional experience allows her to represent shareholders nationwide in complex litigation involving publicly traded companies.

Education and Professional Memberships

Ms. Collier earned her Bachelor of Science from Oklahoma Christian University and her Juris Doctor from Oklahoma City University School of Law.

She is an active member of several professional organizations, including:

Memberships

• Oklahoma Bar Association
• American Bar Association

Through her litigation practice, Ms. Collier continues to advocate for transparency, accountability, and fairness in corporate governance while working to secure meaningful recoveries and reforms that benefit shareholders and the broader investing public.