1,298 material Form 8-K filings that 1,057 companies we cover made with the SEC in April 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).
Albemarle said its Chief Accounting Officer, Donald J. LaBauve Jr., intends to retire effective June 1, 2026, after more than 36 years with the company. The filing states the retirement is not the result of any dispute or disagreement, including on accounting practices or financial reporting.
LaBauve advised the company of his retirement intent on April 13, 2026
Retirement is effective June 1, 2026, after more than 36 years of service
Filing states no dispute or disagreement, including on accounting or financial reporting matters
Doximity disclosed that Chief Financial Officer Anna Bryson, who had been on medical leave, resigned on April 13, 2026, and that Chief Accounting Officer Siddharth Sitaram has served as interim principal financial and accounting officer since February 3, 2026. The company also reaffirmed its guidance for the fourth quarter and full fiscal year ending March 31, 2026, given on February 5, 2026, which matters to shareholders because it signals no change to prior expectations despite the leadership transition.
CFO Anna Bryson resigned; the company accepted her resignation on April 13, 2026
Siddharth Sitaram, Chief Accounting Officer, serves as interim principal financial and accounting officer, effective February 3, 2026
Company reaffirmed fourth quarter and full fiscal year 2026 guidance first given February 5, 2026
Company expects to update on the CFO search during its next earnings call
Dauch Corporation's board approved the termination of Tolga Oal, President of Axle Systems, on April 13, 2026, with his employment ending April 16, 2026. He will receive severance under the company's Amended and Restated Executive Officer Severance Plan. The filing does not state a reason for the departure or name a successor.
Tolga Oal, President – Axle Systems, employment terminated effective April 16, 2026
Board approved the termination on April 13, 2026
Severance benefits provided under the Executive Officer Severance Plan, filed as Exhibit 10.23 to the February 13, 2026 Form 10-K
Carpenter Technology's board increased its size from 11 to 12 directors and appointed Brian J. Malloy, the company's current President and Chief Operating Officer, as a director effective July 1, 2026. On the same date, Malloy becomes President and Chief Executive Officer, and current CEO Tony R. Thene becomes Executive Chairman of the Board, so the company's top executive role changes hands.
On April 13, 2026, the board expanded from 11 to 12 directors and appointed Malloy as a Class III director, with a term ending at the 2028 annual meeting; he has no committee appointments yet.
Malloy will become President and CEO on July 1, 2026, with a $1,000,000 base salary, a 125% target cash bonus and an equity award with a $4,500,000 grant date fair value for the fiscal year ending June 30, 2027.
Thene will become Executive Chairman on July 1, 2026, with a $1,000,000 base salary, a 100% target cash bonus and an equity award with a $2,000,000 grant date fair value for the same fiscal year.
Alpha & Omega Semiconductor said director Dr. Lucas S. Chang notified the company on April 13, 2026 of his decision to retire from its Board of Directors, effective April 17, 2026. The filing does not state a reason for the retirement or name a replacement.
Dr. Lucas S. Chang notified the company on April 13, 2026 of his retirement decision
Retirement from the Board of Directors is effective April 17, 2026
The filing does not announce a successor director or a reason for the departure
AleAnna's board appointed Manfredo Bucciol as Chief Accounting Officer, effective April 13, 2026, and the company granted equity awards to directors and officers on April 13. The filing does not describe any financial results, and the appointment is a senior finance role rather than a change at the chief executive or chief financial level.
Manfredo Bucciol, 38, was appointed Chief Accounting Officer; he previously served as Corporate Controller under an employment agreement dated November 24, 2025
Previously Director of Group Consolidation and External Reporting at Global Blue from July 2024 to March 2026, and about eight years at Ernst & Young from 2011 to 2023
Compensation includes a base salary of €150,000 and a target annual bonus of 25% of base salary
On April 13, 2026, the Compensation Committee granted RSU and PRSU awards; CEO Marco Brun received 295,348 units in total
McCormick appointed Andrew Foust, its President Americas, as Chief Integration Officer to lead integration of its combination with Unilever's foods business, and named Patrick Davis as Interim President Americas during that work. The changes place senior leadership on the Unilever Foods transaction while the company says it is keeping base business performance in focus.
Andrew Foust moves to Chief Integration Officer, remains an Executive Officer and Management Committee member, and is expected to return to President Americas after integration.
Patrick Davis, President, North America Consumer Products since 2024, becomes Interim President Americas.
Announced April 15, 2026; 8-K filed April 17, 2026.
Lumen Technologies said its executive vice president and chief legal officer, Mark Hacker, will retire, with his role ceasing April 20, 2026, and he will provide transition services until May 15, 2026. Jennifer Hodges, currently senior vice president of corporate governance, securities, transactions and litigation, takes over as chief legal officer effective April 20, 2026, a planned leadership handover that the company says was not tied to any disagreement or operational matter.
Mark Hacker, EVP, Chief Legal Officer & Public Sector, will retire May 15, 2026, to pursue vocational ministry.
Hacker ceases his current role on April 20, 2026, and will provide transition services until his retirement date.
Jennifer Hodges, SVP of Corporate Governance, Securities, Transactions and Litigation, becomes EVP and Chief Legal Officer effective April 20, 2026.
Jeff Sharritts, EVP and Chief Revenue Officer, will assume responsibility for public sector operations.
Corebridge Financial's board elected Hirotaka Inoue, a Nippon Life Insurance executive, as a director effective April 21, 2026. He fills the seat vacated by Minoru Kimura, who leaves the board April 20, 2026, and he is nominated for election at the 2026 annual meeting. The change keeps Nippon Life's board designee count at three under a waiver the board granted, so it mainly affects board composition rather than company results.
Hirotaka Inoue elected director effective April 21, 2026; board elected him April 14, 2026
Replaces Minoru Kimura, who departs the board effective April 20, 2026
Nippon Life keeps three board designees under a waiver granted March 25, 2026, after AIG waived its designation rights
Inoue will not be compensated by the company for board service
Rockwell Automation's board increased its size from ten to eleven directors and elected David A. Zapico, Chairman and Chief Executive Officer of AMETEK, Inc., as a director effective April 16, 2026. He was also appointed to the Compensation and Talent Management Committee and the Board Composition and Corporate Governance Committee. The filing does not report financial results, and the change is a board addition rather than a change in company leadership.
Zapico elected effective April 16, 2026; term expires at the 2027 Annual Meeting of Shareowners
Board size increased from ten to eleven directors effective April 16, 2026
Initial compensation includes shares of common stock valued at $92,055 under the 2026 Long-Term Incentives Plan
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.