815 material Form 8-K filings that 659 companies we cover made with the SEC in March 2026, each read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). All of them were written later, when past filings were added: a selection, not every 8-K of the month (see the note below).
Biogen announced that Chief Legal Officer Susan H. Alexander will leave the company effective at the end of May 2026. The company has started a search for her successor, so shareholders will not yet know who will lead its legal function.
Susan H. Alexander, Chief Legal Officer, will depart effective at the end of May 2026.
Biogen has initiated a search to identify its next Chief Legal Officer.
The announcement was made March 11, 2026, in an SEC Form 8-K filing.
LifeStance Health Group promoted Lisa Miller, previously its Executive Vice President of Practice Operations, to Chief Operating Officer and Principal Operating Officer, effective March 10, 2026. The filing sets her base salary at $485,000 and a 2026 bonus target of 85% of base salary, plus an annual equity award with a target grant date value of about $1.5 million.
Lisa Miller, age 52, promoted to Chief Operating Officer and Principal Operating Officer on March 10, 2026
Annual base salary of $485,000 with a bonus target of 85% of base salary beginning in calendar 2026
Annual equity award of about $1.5 million target grant date value, split between time-based and performance-based restricted stock units
Axon Enterprise disclosed that director Julie Anne Cullivan will not seek re-election at the 2026 Annual Meeting of Shareholders. She will remain on the Board until her term ends at that meeting, and the company said the decision was not due to any disagreement over its operations, policies or practices.
Julie Anne Cullivan notified the Board on March 5, 2026 of her decision
She will continue as a director until her term expires at the 2026 Annual Meeting
The company states the decision was not the result of any disagreement with management on operations, policies or practices
Lattice Semiconductor said its Chief Accounting Officer, Tonya Stevens, submitted her resignation on March 11, 2026, effective March 29, 2026. The company stated the resignation is not due to any disagreement on its operations, policies or practices.
Tonya Stevens, Chief Accounting Officer, resigned on March 11, 2026
Resignation takes effect March 29, 2026
Company states no disagreement with management on operations, policies or practices
Filing includes only Item 5.02 and an Inline XBRL cover page exhibit; no replacement is named
Corsair Gaming director Diana Bell notified the company on March 5, 2026 that she will not stand for reelection at the 2026 annual meeting of stockholders. She will remain on the board and its audit committee until her current term ends at that meeting, and the company said the decision was not the result of a disagreement.
Notice given to the company on Thursday, March 5, 2026
Diana Bell's board and audit committee service continues until the 2026 Annual Meeting
The filing states the decision was not due to a disagreement with the company
Rayonier said Executive Vice President of Wood Products Ashlee Townsend Cribb is resigning effective March 20, 2026, to pursue a CEO role at a privately owned company, and that the resignation was not due to any disagreement with the company. Senior Vice President of Operations Ryan Daniels will lead the Wood Products business on an interim basis while the company searches for a permanent successor.
Cribb resigned on March 5, 2026, and remains at the company until March 20, 2026, to assist with the transition.
Ryan M. Daniels, 47, becomes Interim Senior Vice President, Wood Products, effective March 20, 2026.
Daniels will receive a $5,250 monthly salary stipend on top of his $337,592 annual base salary, eligibility for a cash bonus of 60% of that salary component, and a $200,000 restricted stock unit award vesting over four years.
Graphic Packaging Holding Company's board appointed Jeffrey M. Stafeil as a director effective March 8, 2026, in a Class I seat with a term expiring in 2026. The filing says he is independent and has not yet been assigned to any board committee, so the change is a board composition update rather than a change in company operations or finances.
Jeffrey M. Stafeil appointed to the Board of Directors effective March 8, 2026
He will serve as one of the Class I Directors, whose terms expire in 2026
He is an independent director and has no committee assignment yet
Filing states he is not party to any related-person transaction requiring disclosure under Item 404(a)
Trustee Emily Nagle Green told Centerspace on March 9, 2026 that she will not stand for re-election at the 2026 Annual Meeting on May 13, 2026, and will retire when her term expires after that meeting. She also chairs the Nominating and Governance Committee and sits on the Audit Committee, which the company says it will address through the board change; the filing does not name successors. The departure is a board change with no financial figures disclosed, so its direct effect on shareholders appears limited.
Emily Nagle Green, a trustee since 2018, will retire upon the expiration of her term after the May 13, 2026 Annual Meeting.
She chairs the Nominating and Governance Committee and is a member of the Audit Committee.
Board Chair John Schissel and CEO Anne Olson praised her governance and technology and cybersecurity contributions.
Life Time Group Holdings disclosed that Alejandro Santo Domingo, a Class I director, gave notice on March 9, 2026 that he will resign from the board effective March 31, 2026. The filing does not state a reason for the resignation or name a replacement, so shareholders will need later disclosures to assess any board changes.
Alejandro Santo Domingo, a Class I director, gave notice of resignation on March 9, 2026.
Resignation takes effect March 31, 2026.
The filing does not name a successor or give a reason for the departure.
Okta disclosed that director Michael Stankey resigned from its Board of Directors, with notice given on March 5, 2026. The company said the departure was not the result of any disagreement, and the Board thanked him for his service. The filing contains no financial results or guidance, so the event is administrative and has no stated financial impact.
Michael Stankey informed Okta of his board resignation on March 5, 2026.
The filing states the resignation is not the result of any disagreement with the company.
The 8-K was filed March 11, 2026 and was signed by Chief Legal Officer Larissa Schwartz.
Peloton said its Chief Financial Officer, Liz Coddington, will step down effective March 27, 2026, to pursue an external opportunity. Saqib Baig, the company's Chief Accounting Officer since November 2022, will serve as interim CFO from the same date. The filing does not state a permanent successor or any change to financial results.
Liz Coddington steps down as CFO effective March 27, 2026, to pursue an external opportunity.
Saqib Baig, age 48, becomes interim CFO effective March 27, 2026.
Baig has been Chief Accounting Officer since November 2022 and CFO of the Commercial Business Unit since August 2025.
Baig previously served as Controller of Accounting Risk, Valuation, and Financial Reporting at Meta Platforms, Inc., from July 2019 to November 2022.
Autoliv appointed Monika Grama, currently Vice President, Finance of its EMEA division, as Chief Financial Officer and Executive Vice President, Finance, effective April 1, 2026, succeeding Fredrik Westin, who leaves on March 31, 2026. The company also renewed its EUR 3 billion Euro Medium Term Note Programme for one year, allowing future note issuance guaranteed by Autoliv ASP, Inc.
Monika Grama becomes CFO on April 1, 2026; Fredrik Westin leaves March 31, 2026
Grama's employment agreement sets a 5,750,000 SEK annual base salary and a 45% target cash incentive
Her 2026 long-term incentive award has a maximum grant date value of $200,000, pro-rated for her time as CFO
EMTN Programme renewed for one year at up to EUR 3,000,000,000, with notes guaranteed by Autoliv ASP, Inc.
onsemi said Group President Simon Keeton will leave all employment positions at the company effective June 30, 2026, after an agreement reached March 9, 2026. He will step down from all officer roles immediately but will stay through June 30 to support an orderly transition to a new head of the Power Solutions Group. The filing does not name a successor, and it gives no financial effect of the change.
Simon Keeton, Group President of the Power Solutions Group, will resign effective June 30, 2026.
Agreement with onsemi was reached March 9, 2026.
Keeton steps down from all officer positions immediately but remains employed through June 30, 2026 to support the transition.
Keeton joined onsemi in July 2007 and has been Group President since February 2024.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.
Briefs marked “Written later” were written in November 2026 for filings that were by then more than three weeks old, so months before mid-October 2026 hold a selection: every material 8-K of the past year for the 100 largest companies we cover and the last 15 important 8-Ks of every other one. Briefs the number check holds back are not shown or counted. Also: the last 45 days, briefs by company, A–Z and the live SEC filings wire.