1,796 material Form 8-K filings that 1,448 companies we cover made with the SEC in May 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).
At Diodes' May 11, 2026 annual meeting, director Keh-Shew Lu received 38,172,374 votes withheld versus 3,455,889 votes for his election. Instead of tendering a resignation under the company's director resignation policy, he resigned from the Board effective immediately, and the Board named Angie Chen Button Chairwoman. The change in board leadership and the withheld-vote result are governance matters for shareholders, and the filing reports no financial figures.
Keh-Shew Lu received 38,172,374 votes withheld and 3,455,889 votes for his re-election at the May 11, 2026 annual meeting.
Lu resigned from the Board effective immediately and will remain an employee as Special Advisor to the CEO.
The Board appointed Angie Chen Button as Chairwoman on May 11, 2026.
Shareholders also elected the other six nominees, approved executive compensation 40,852,983.50 for versus 740,622.00 against, and ratified PricewaterhouseCoopers LLP.
BankUnited, Inc. entered into an amended letter agreement with Chief Financial Officer James Mackey on May 11, 2026. The amendment changes his change-in-control retention bonus into a double-trigger severance benefit, so payment requires both a change in control and a qualifying termination.
Amended letter with CFO James Mackey dated May 11, 2026, approved by the Compensation Committee
Severance applies if he is terminated without cause or resigns for good reason within two years after a change in control
Lump sum severance equals two times his annual base salary, subject to an effective release of claims
Replaces his prior letter agreement dated July 22, 2025
Director Mariam Naficy told the board on May 10, 2026 that she will not stand for re-election at the company's June 11, 2026 annual meeting, citing near-term professional commitments and the time needed to address BBRC International's proxy contest. The filing says her decision does not stem from any disagreement with the company on operations, policies or practices, and the board will shrink from ten to nine directors after the meeting.
Mariam Naficy notified the board on May 10, 2026 of her decision not to stand for re-election
Her nomination has been withdrawn; she remains a director until the June 11, 2026 annual meeting
BBRC International PTE Limited launched a proxy contest on May 4, 2026, after the company's May 1, 2026 proxy statement filing
Board size will fall from ten to nine directors immediately after the annual meeting
Ecolab's board elected Bryce L. Mewhorter as Senior Vice President and Corporate Controller, including principal accounting officer role, effective after the second-quarter 2026 Form 10-Q is filed. At the May 7, 2026 annual meeting, shareholders re-elected all 13 director nominees and approved the advisory pay vote, while a stockholder proposal for an independent board chair policy failed.
Bryce L. Mewhorter, age 51, currently Senior Vice President of Finance Global Water, joined Ecolab in 1998 and takes the controller role after the Q2 2026 10-Q filing.
Jennifer J. Bradway will move to a different position at the company; she remains controller until Mewhorter takes over.
All 13 directors were elected for one-year terms; Judson B. Althoff received 235,680,180 for votes and John J. Zillmer received 188,749,720.
The independent board chair proposal received 61,882,139 for votes and 176,312,123 against, and was not approved.
N-able, Inc. disclosed that director Ann Johnson resigned from its Board of Directors and all Board committees, effective immediately, after notifying the company on May 7, 2026. The filing says the resignation was not due to any disagreement with the company on its operations, policies, or practices. The filing does not state a reason beyond that or name a replacement.
Ann Johnson notified the company and Board of her resignation on May 7, 2026.
Resignation is effective immediately and covers the Board and any committee she serves on.
The filing states the resignation was not due to any disagreement with the company.
The 8-K was signed by CFO Tim O'Brien and dated May 11, 2026.
Vulcan Materials said its President, Thompson S. Baker II, notified the company on May 11, 2026 that he will retire from the role effective July 15, 2026. The filing also reports that shareholders at the May 8, 2026 annual meeting re-elected five directors and approved the advisory say-on-pay vote and the ratification of Deloitte & Touche LLP as auditor for 2026.
Thompson S. Baker II notified the company on May 11, 2026 that he will retire as President effective July 15, 2026.
At the May 8, 2026 annual meeting, all five director nominees were elected to three-year terms expiring in 2029, with Melissa H. Anderson receiving 111,842,430 votes for.
Say-on-pay received 108,975,317 votes for and 3,698,724 against.
Deloitte & Touche LLP's appointment for 2026 was ratified with 113,884,236 votes for and 5,106,545 against.
Equinix said Chief Accounting Officer and Principal Accounting Officer Simon Miller plans to retire, effective July 31, 2026, and will serve in both roles until that date. The filing states the retirement is not due to any disagreement with the company on financial statements, internal control, operations, policies or practices.
Simon Miller notified Equinix of his planned retirement on May 5, 2026.
Retirement is effective July 31, 2026; he remains CAO and PAO until then.
The filing states no disagreement with the company on financial statements, internal controls, operations, policies or practices.
Entegris said Daniel Woodland, its Senior Vice President and President, Materials Solutions, will retire on June 1, 2026 under a transition agreement signed May 9, 2026. Olivier Blachier, currently Senior Vice President, Chief Strategy and Innovation Officer, will succeed him as President, Materials Solutions on the same date while keeping his current title of Chief Innovation Officer.
Daniel Woodland retires June 1, 2026 (Retirement Date) under a Transition Agreement and Release dated May 9, 2026
Olivier Blachier becomes President, Materials Solutions effective June 1, 2026 and keeps his role as SVP, Chief Innovation Officer
Woodland receives his current base salary through the Retirement Date and a prorated 2026 short-term incentive payment, if earned
2022–2025 long-term equity awards keep vesting; 2026 awards are forfeited as of the Retirement Date
TD SYNNEX signed an updated offer letter with Dennis Polk, who continues as Chair of Hyve Solutions Holdings and as a Board member, reporting solely to the CEO. The letter sets a $840,000 base salary, a bonus target of 100% of salary, and equity awards of about $1.5 million, with severance terms tied to termination and change of control.
Offer letter dated May 5, 2026, effective as of December 1, 2025
Base salary of $840,000 with an annual incentive bonus targeted at 100% of base salary
Equity awards with a fair market value of about $1.5 million, 60% time-based restricted stock and 40% performance-based RSUs
At its May 5, 2026 annual meeting, stockholders elected all seven director nominees, approved the advisory say-on-pay resolution, and ratified Grant Thornton LLP as auditor for 2026. The Compensation Committee also raised base salaries for five named executive officers, effective April 5, 2026, and adopted a revised Executive Officer Performance Incentive Plan that changes how the bonus pool is calculated.
Chairman and CEO Randolph L. Marten's base salary rose from $818,000 to $842,600, effective April 5, 2026
President Douglas P. Petit's base salary rose from $401,000 to $440,000; Randall J. Baier's rose from $300,000 to $330,000
Revised incentive plan uses audited net income without adjustments and requires the net income increase to be at least 65 percent of the pre-bonus increase
Stockholders approved executive compensation with 71,852,429 votes for and 722,632 against; Grant Thornton LLP ratification received 75,043,366 votes for
Koppers Holdings Inc. said Eric D. Brenner, currently Senior Vice President and CFO of NOVA Chemicals, will become its Chief Financial Officer and Treasurer effective May 26, 2026. Interim CFO Bradley Pearce returns to his role as Chief Accounting Officer on the same date. The filing describes a change in the company's principal financial officer but reports no financial results.
Brenner takes over from interim CFO Bradley Pearce effective May 26, 2026; Pearce returns to Chief Accounting Officer
Base salary of $550,000 with a target annual cash incentive of 75 percent of base salary
Target 2026 long-term incentive of 125 percent of base salary, rising to 140 percent in 2027
Brenner has been CFO of NOVA Chemicals since September 2023 and was Acting CFO from May 2022 to September 2023
Nature's Sunshine Products said Chief Financial Officer L. Shane Jones resigned effective June 5, 2026, and that his resignation was not related to any disagreement on financial reporting or accounting. Jonathan D. Lanoy, the company's Chief Accounting Officer, was named interim Principal Financial Officer. The change in the top finance role is significant for shareholders, though the filing gives no reason for the departure beyond the absence of an accounting disagreement.
L. Shane Jones notified the company on May 8, 2026 that he is resigning as CFO, effective June 5, 2026.
Jonathan D. Lanoy, 51, was appointed interim Principal Financial Officer on May 8, 2026, while continuing as Senior Vice President and Chief Accounting Officer.
Lanoy's employment agreement sets an annual base salary of $301,551 and a target bonus of 50 percent of base salary.
Severance for termination without cause, resignation for good reason, death or incapacity includes 12 months of base salary and 12 months of COBRA coverage, subject to a release and a 12-month non-compete.
Uber said Chief People Officer Nikki Krishnamurthy has stepped down and will advise the company through a transition period. Jill Hazelbaker, currently Chief Marketing Officer and SVP, Communications & Public Policy, takes a new role as President & Chief Corporate Affairs Officer effective immediately, taking on Krishnamurthy's former duties and oversight of Safety Operations.
Nikki Krishnamurthy, Chief People Officer, has stepped down and will serve as an advisor through a transition period
SolarEdge's CFO Asaf Alperovitz will step down effective May 31, 2026, to pursue an opportunity outside the industry, and the Board appointed Maoz Sigron, former CFO of Perion Network, as successor on May 9, 2026. Alperovitz will remain in a transitional role through June 9, 2026. The filing reports no financial results, so the change itself is the news for shareholders.
Maoz Sigron, 48, becomes CFO and principal accounting officer effective May 31, 2026
Sigron's pay includes a 75% target annual bonus and equity grants of about $700,000 in restricted stock units and about $700,000 in performance stock units at target
Alperovitz's departure was first reported on March 10, 2026; he stays through June 9, 2026 for handover
Atmus Filtration Technologies appointed Kevin Carpenter, 52, as Senior Vice President and Chief Supply Chain Officer, effective May 11, 2026. He previously served as Vice President of Global Operations and Integrated Supply Chain at The Toro Company, and the role covers procurement, manufacturing, health, safety and environment, and transportation and logistics across the enterprise.
Appointed by the Board on May 8, 2026, effective May 11, 2026
Compensation includes a $595,000 base salary, a 65% target bonus, and a $825,000 target annual long-term equity incentive award
One-time items include a $235,000 cash payment and a $1,440,000 target one-time long-term equity incentive award
Prior roles include Vice President positions at The Toro Company and Carrier Global Corporation
Sonoco Products said Chief Accounting Officer Aditya Gandhi informed the company on May 5, 2026 that he intends to resign effective May 29, 2026. The company said the resignation was not due to any disagreement over operations, policies, or accounting practices. CFO Paul Joachimczyk will act as principal accounting officer until a successor is appointed.
Aditya Gandhi notified Sonoco on May 5, 2026 of his intent to resign as Chief Accounting Officer, effective May 29, 2026
The company states the resignation was not due to any disagreement on operations, policies, or accounting practices
CFO Paul Joachimczyk will assume principal accounting officer duties until a successor is appointed
Resideo filed a Form 10 for the planned spin-off of its ADI Global Distribution business and named leadership for both companies, with the spin-off expected between mid-third and mid-fourth quarter of 2026. Thomas Surran will become CEO of Resideo at spin-off completion, succeeding Jay Geldmacher, and CD&R-linked directors Nathan Sleeper and Cynthia Hostetler will leave the board when the separation closes. The filing gives shareholders a timeline and leadership structure but does not include new full-year results or guidance.
Thomas Surran to become President and CEO of Resideo effective upon completion of the Separation; Geldmacher retires after a new CEO is appointed, then advises for six months
ADI 2025 carveout figures: revenue of approximately $4.8 billion, net loss of $261 million, Adjusted EBITDA of $318 million
Spin-off expected between mid-third quarter and mid-fourth quarter 2026; investor days in mid-July 2026 in New York City
Resideo is conducting a search for a new Chief Financial Officer; Andrew Campelli of CD&R to join the board at separation
StoneBridge Acquisition II Corporation disclosed that director Richard Saldanha resigned from its board and all committees, effective immediately, after notifying the board on May 8, 2026. The company said the resignation was not due to any disagreement with management, the board or its operations, policies or practices. His 25,000 Class B ordinary shares will automatically return to the sponsor under the grant terms, so the change has no stated cost to shareholders.
Richard Saldanha resigned from the board and all committees, effective immediately; notice was given May 8, 2026.
The resignation was not due to any disagreement with the company, management or the board.
His 25,000 Class B ordinary shares, granted February 5, 2026, will be automatically returned to the sponsor, Stonebridge Acquisition Sponsor II LLC.
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.