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).
Directors Robert Hartnett and Mary Egan told the board on March 24, 2026 that they will not stand for re-election at the 2026 Annual Meeting of Stockholders, and will serve until then. The filing says the decisions were not due to any disagreement with management or the board, or related to operations, policies, or practices. The board also voted to reduce its size from nine to seven members effective at the Annual Meeting.
Robert Hartnett and Mary Egan decided on March 24, 2026 not to stand for re-election at the 2026 Annual Meeting.
Board size will decrease from nine members to seven effective at the Annual Meeting.
Mr. Lynch was nominated as a Class I director and will resign his Class III seat if elected.
The filing states the departures were not the result of any disagreement with management or the board.
On March 27, 2026, Hyatt's Board increased its size from eleven to twelve members and appointed Gianni Marostica as a director, designated as a Class II member. He will serve until the 2026 annual meeting of stockholders and receives the same compensation as other non-employee directors. The filing reports no related-party transactions or arrangements tied to his appointment.
Board expanded from eleven to twelve members on March 27, 2026
Gianni Marostica appointed effective March 27, 2026, as a Class II director
Serves until the 2026 annual meeting; compensated like other non-employee directors
Cactus, Inc. disclosed that director Bruce Rothstein told the company on March 24, 2026 that he will not seek re-election at the 2026 Annual Meeting of Stockholders. The company said his decision does not stem from any disagreement over its operations, policies or practices. The board is reducing its size to 8 directors, effective immediately before that meeting.
Director Bruce Rothstein advised the company on March 24, 2026 that he will not stand for re-election.
The filing states no disagreement with the company on operations, policies or practices.
Board size will decrease to 8 directors, effective immediately before the 2026 Annual Meeting of Stockholders.
Horace Mann Educators said Controller and Chief Accounting Officer Maureen Temchuk will begin a temporary maternity leave on or about March 30, 2026, and that Chief Financial Officer Ryan Greenier will serve as Interim Chief Accounting Officer during that time. The company expects Temchuk to resume her role when the leave ends, so the change is temporary and administrative.
Maureen Temchuk's leave begins on or about March 30, 2026, and is expected to last until about July 6, 2026.
Ryan Greenier, Executive Vice President and CFO since 2024, will serve as Interim Chief Accounting Officer.
Greenier will continue to receive his current compensation arrangements for the interim role.
The company expects Temchuk to resume her role as Chief Accounting Officer after the leave.
Core & Main appointed M. Susan Hardwick, former CEO of American Water Works, as a director effective April 1, 2026, and placed her on the Talent and Compensation Committee. The company also said Executive Chair Stephen LeClair retired from that role, as a Class II director and as board chair, with James Castellano becoming board chair. The filing describes these as part of long-term succession planning and does not report any financial results.
M. Susan Hardwick appointed director effective April 1, 2026; term expires at the 2027 annual meeting
Stephen LeClair retired as Executive Chair, Class II director and Chair of the Board effective April 1, 2026
James Castellano became Chair of the Board; James Hope became Audit Committee Chair and Robert Buck joined the committee
Standard annual Board pay is $225,000, including $130,000 in restricted stock units and $95,000 in cash
SBA Communications said Executive Vice President of U.S. Operations Mark Ciarfella gave notice on March 24, 2026 that he intends to retire from his roles effective December 31, 2026. He will stay on as a non-executive employee through March 7, 2027 to support the transition of his responsibilities.
Mark Ciarfella gave notice of retirement on March 24, 2026.
Retirement from current title and roles is effective December 31, 2026.
He will remain a non-executive employee through March 7, 2027 to support the transition.
Flagstar Bank said director Alessandro DiNello will not stand for re-election at the 2026 Annual Meeting, expected June 9, 2026, and will leave the board when his term ends there. Eli H. Miller was appointed to the board effective April 1, 2026, to fill the seat left by Brian Callanan's previously disclosed resignation, with a term running to the Annual Meeting. The change is a board turnover under an existing investor agreement and the filing does not report any disagreement with the bank.
Alessandro DiNello notified the bank on March 25, 2026 that he will not stand for re-election; his term ends at the 2026 Annual Meeting, expected June 9, 2026
Eli H. Miller, a Senior Managing Director at Liberty Strategic Capital, was appointed to the board effective April 1, 2026
Miller was appointed under the March 7, 2024 investment agreement with funds managed by Liberty 77 Capital L.P.
Miller joins the Risk Assessment Committee and the Technology and Operations Committee; he will receive an annual cash retainer of $97,500 and an annual equity award of $130,000
T-Mobile US said director Abdurazak Mudesir notified the Board on March 26, 2026 that he will resign from the Board and from the Nominating, Corporate Governance and Compliance Committee, effective March 31, 2026. The filing states the resignation is not due to any disagreement with the company on its operations, policies or practices.
Director Abdurazak Mudesir resigns from the Board effective March 31, 2026
He also leaves the Nominating, Corporate Governance and Compliance Committee
Notice given to the Board on March 26, 2026; filing states no disagreement with the company
Two Steel Dynamics board members, Richard P. Teets, Jr. and Gabriel L. Shaheen, told the board they will not stand for reelection and will leave at the May 6, 2026 annual meeting. The board will shrink from nine to seven members at that time, and the filing says the departures were not due to any disagreement with the company.
Richard P. Teets, Jr. and Gabriel L. Shaheen will retire from the board effective at the 2026 Annual Meeting on May 6, 2026.
Board size will be reduced from nine to seven members at the 2026 Annual Meeting.
The filing states neither director's decision resulted from a disagreement with the company on operations, policies or practices.
Chairman and CEO Mark D. Millett praised Teets as a co-founder and Shaheen for more than sixteen years of service.
InterGroup Corporation reported that Whitley Penn LLP has completed its client acceptance and independence procedures and accepted the appointment as its independent registered public accounting firm, with the final engagement letter executed. The change was first disclosed in a March 23, 2026 8-K and is now confirmed as completed on March 26, 2026.
Whitley Penn LLP accepted the appointment as independent registered public accounting firm on March 26, 2026.
The appointment was previously disclosed in an 8-K filed March 23, 2026, subject to completion of procedures and a final engagement letter.
The filing includes Item 4.01 (auditor change) and Item 9.01, with only a Cover Page Interactive Data File (Exhibit 104) attached.
Effective March 24, 2026, Camden Property Trust said Alexander J. Jessett became chief executive officer and joined the Board of Trust Managers, while Richard J. Campo became executive chairman. Laurie A. Baker was named president and chief operating officer, and Benjamin D. Fraker became executive vice president and chief financial officer. The filing reports no financial results; for shareholders, the news is a leadership overhaul at the top of the company, supported by a bylaw amendment adopted for the changes.
Alexander J. Jessett became CEO effective March 24, 2026 and was appointed to the board the same day.
Richard J. Campo became Executive Chairman of the Board of Trust Managers; Laurie A. Baker became President and COO; Benjamin D. Fraker became EVP-CFO.
Jessett's employment agreement, dated March 24, 2026, sets an annualized base salary of $775,000.
The company adopted the Second Amendment to its Sixth Amended and Restated Bylaws, effective March 24, 2026, in connection with the executive changes.
Norwegian Cruise Line Holdings signed a cooperation agreement with Elliott Investment Management on March 26, 2026. Five new directors join the board effective March 31, 2026, four current directors resign, and the board grows from 8 to 9 members. The company says the changes reflect board refreshment, and Elliott describes itself as NCLH's largest investor.
Stephen Pagliuca, Jonathan Cohen, Alex Cruz, Brian MacDonald and Kevin Lansberry join the board effective March 31, 2026
David M. Abrams, Harry C. Curtis, Stella David and Mary E. Landry resign from the board effective March 31, 2026
John W. Chidsey is appointed Chairman and Alex Cruz is named Lead Independent Director
The cooperation agreement's standstill and voting commitments run until the earlier of 30 days before the 2027 nomination deadline or February 11, 2027
CDW disclosed that director Sanjay Mehrotra told the company on March 24, 2026 that he will not seek reelection at its 2026 Annual Meeting of Stockholders. He will continue serving through the end of his current term, and the filing says the decision was not related to any disagreement with the company on operations, policies, or practices.
Sanjay Mehrotra informed CDW of his decision on March 24, 2026
He will not stand for reelection at the 2026 Annual Meeting of Stockholders
He will remain a director through the remainder of his current term
The filing states no disagreement with the company was behind the decision
Norwegian Cruise Line Holdings disclosed the employment agreement and restricted share unit award for CEO John Chidsey, who was appointed on February 12, 2026. The agreements were signed on March 26, 2026, and set out his salary, bonus, severance and a front-loaded equity grant covering four years. The equity award is about 60% performance-based, so shareholders would see dilution and pay tied to total shareholder return only if targets are met.
Base salary of $1,715,000; fixed fiscal 2026 bonus of $2.9 million, below his target bonus
Inducement award of 2,139,892 target RSUs with an intended value of about $48 million
967,254 RSUs vest in four annual installments from March 1, 2026; 1,172,638 PSUs cliff vest after four years
PSUs vest at 0% below a 5% TSR CAGR, 100% at 10% and up to 200% at 20% or more
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.