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).
Shake Shack director Joshua Silverman, who served more than nine years, will leave the board and his Audit and Nominating and Corporate Governance Committee seats effective May 1, 2026. The board is shrinking from nine seats to eight, and the company says the departure was not due to any dispute with the company or its board.
Joshua Silverman, a Class II director, steps down effective May 1, 2026, after notifying the board on March 3, 2026
He also leaves the Audit and Nominating and Corporate Governance Committees on the same date
Board size falls from nine to eight directors, with three Class I, two Class II and three Class III directors remaining
The filing states the decision was not the result of any dispute or disagreement with the company or its board
Valvoline appointed Jordan M. Denny, age 36, as Chief Accounting Officer and Controller effective March 6, 2026, succeeding Dione R. Sturgeon, who moved to Vice President, Treasurer and Tax. Denny previously served as Vice President, Corporate Development, Investor Relations & Treasurer, and the filing describes a routine finance leadership change with no reported transactions or family relationships requiring disclosure.
Jordan M. Denny appointed Chief Accounting Officer and Controller effective March 6, 2026
Succeeds Dione R. Sturgeon, who became Vice President, Treasurer and Tax
Annual base salary of $319,520 with a target incentive of 40% of base salary
Fiscal 2026 equity grant of $125,000, split 50% time-based restricted stock units and 50% performance stock units
Planet Fitness said Chief Financial Officer Jay Stasz left the company effective March 9, 2026, and named former CFO Tom Fitzgerald as interim CFO the same day. The company said Stasz's departure did not involve any dispute over reported financial statements, is conducting a search for a permanent CFO, and reaffirmed its 2026 financial guidance.
Jay Stasz departed as CFO effective March 9, 2026; the filing says the exit was not related to any dispute over financial statements or results.
Tom Fitzgerald, 65, serves as interim CFO under a six-month initial employment agreement dated March 5, 2026, with up to three month-to-month extensions, at a salary of $250,000 per month.
Fitzgerald was CFO from January 2020 through November 14, 2024, and is not eligible for the Executive Severance & Change in Control Policy.
The company reaffirmed its 2026 financial guidance, first announced on February 24, 2026.
CEO Eric Green told the Board on March 6, 2026 that he intends to retire as President, Chief Executive Officer and Chair once a successor is hired. The Board is engaging an executive recruiting firm and expects the transition in the second half of 2026. The company also reaffirmed its 2026 financial guidance from its February 12, 2026 earnings release, which matters to shareholders because it is a leadership change at the top of the company with no change to the outlook.
Eric M. Green informed the Board on March 6, 2026 of his intent to retire as President, CEO and Chair of the Board once his successor is hired.
The Board expects the transition to occur in the second half of 2026 and is engaging a leading executive recruiting firm.
The company reaffirmed the 2026 financial guidance provided in its February 12, 2026 earnings release.
Green has been CEO since April 2015 and Chair since May 2022; the company says sales more than doubled and total shareholder return was approximately 350% during his tenure.
Shift4 Payments disclosed that Chief Accounting Officer James Whalen will leave the company effective April 3, 2026, to take a Chief Accounting Officer role at a company outside the fintech industry. The company said the departure was not related to any disagreement or to its operations, policies or practices, and that Chief Financial Officer Christopher N. Cruz will become principal accounting officer with Filippos Mintiloglitis as interim Chief Accounting Officer.
James ("Jay") Whalen announced his resignation on March 3, 2026; his last day is effective April 3, 2026.
Christopher N. Cruz, Chief Financial Officer, will be designated principal accounting officer on the effective date.
Filippos Mintiloglitis will serve as interim Chief Accounting Officer, and CEO Taylor Lauber cited his prior role in Global Blue's public company reporting.
Sun Communities appointed John B. McLaren, its current President, as Chief Operating Officer on March 9, 2026, with added responsibility for the operations team. The same day, Bruce D. Thelen left his role as Executive Vice President and Chief Operating Officer to focus on other opportunities.
McLaren, age 55, has worked for the company for 24 years and has been President since November 2024.
His employment agreement has an initial three-year term and a base salary of $600,000, with a target bonus of 150% of base salary.
If the company terminates him without cause or he resigns for good reason, he would receive 1.50 times his base salary plus target bonus, subject to a release.
Deluxe Corporation disclosed that director Cheryl E. Mayberry McKissack notified the Board on March 4, 2026, that she will not stand for re-election at the company's 2026 Annual Meeting of Shareholders. The filing gives no reason for the decision and does not name a replacement, so the change's effect on the Board is not stated.
Director Cheryl E. Mayberry McKissack notified the Board on March 4, 2026.
She will not stand for re-election at the 2026 Annual Meeting of Shareholders.
The filing gives no reason for the decision and names no successor.
Acurx Pharmaceuticals said executive officers voluntarily agreed to base salary reductions of 10%, effective April 1, 2026, and the board approved a 10% cut to the cash components of non-employee director pay. The company also announced a pilot trial of its lead antibiotic candidate, ibezapolstat, in patients with multiply-recurrent C. difficile infection, with trial start-up later in March and first-patient enrollment expected in the fourth quarter of 2026, subject to appropriate funding.
CEO David P. Luci and Executive Chairman Robert J. DeLuccia will each have a $495,000 annual base salary, and CFO Robert G. Shawah will have $360,000, effective April 1, 2026
Director cash compensation, including board, chair and committee retainers, will be reduced by 10% effective April 1, 2026
The open-label pilot trial will enroll up to 20 patients who have had at least two recurrences within the past 12 months; data will inform a planned Phase 3 trial
FTI Consulting's board elected Eun Angela Nam as Chief Financial Officer, with her start date expected on or about May 1, 2026. She will oversee all finance functions and the information technology function, succeeding interim CFO Paul Linton, who returns to his prior role as Chief Strategy and Transformation Officer.
Nam was elected by the board on March 6, 2026; her employment start date is expected on or about May 1, 2026.
Offer letter sets an initial base salary of $700,000, an annual bonus target of $950,000 and an expected long-term incentive target of $950,000.
Nam will receive a one-time restricted stock award valued at $3,000,000 on the grant date, vesting equally over four years.
Nam previously served as CFO and Chief Accounting Officer of FTAI Aviation Ltd.
Fluor said Executive Chairman David E. Constable will not stand for reelection and will retire at the May 6, 2026 annual meeting. James T. Hackett, the current Lead Independent Director, will become Board Chair effective May 5, 2026, and Robert G. Card was added as a new director. The filing reports no financial results, and the leadership change is a planned succession.
David E. Constable, Executive Chairman, will retire at the annual meeting on May 6, 2026.
James T. Hackett will become Board Chair effective May 5, 2026.
Constable will provide consulting services for one year from May 6, 2026, for a fee of $525,200, paid quarterly.
Robert G. Card joined the Board effective March 4, 2026, which increased the Board to twelve members.
Gulfport Energy's President, CEO and director John Reinhart resigned effective immediately, after notifying the board on March 6, 2026. The company said the resignation was not due to any disagreement over operations, policies or practices, and an Office of the Chairman led by Chairman Timothy Cutt will run the company while a search for a new CEO is conducted. The company's press release says its 2026 development plan, outlook and strategy remain unchanged.
Reinhart resigned as President, CEO and director effective immediately; he notified the board on March 6, 2026.
Office of the Chairman led by Timothy Cutt, with Michael Hodges (CFO), Matthew Rucker (COO) and Patrick Craine (Chief Legal and Administrative Officer).
Cutt will receive an equity award of about $1,000,000 in time-based restricted stock units vesting over three years.
Hodges, Craine and Rucker signed retention agreements effective March 8, 2026; each payment equals base salary, 50% paid when a new CEO is hired and 50% six months later.
On March 6, 2026, Phillips 66's board increased its size from 14 to 16 directors and appointed Kevin O. Meyers and Howard I. Ungerleider, both independent, effective immediately. Both were placed on the Audit & Finance and Public Policy and Sustainability committees, and the filing says they receive pro-rated non-employee director compensation. The change is an administrative board addition with no financial terms disclosed.
Board expanded from 14 to 16 directors on March 6, 2026, with Meyers and Ungerleider appointed effective immediately
Kevin O. Meyers, age 72, formerly served at ConocoPhillips and Hess Corporation; Howard I. Ungerleider, age 57, is former CFO of Dow Inc.
Both new directors were appointed to the Audit & Finance Committee and the Public Policy and Sustainability Committee
Grace Puma Whiteford was reclassified as a Class I director with a term expiring at the 2028 annual meeting
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.