1,853 material Form 8-K filings that 1,500 companies we cover made with the SEC in September 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).
SunCoke Energy said senior vice president P. Michael Hardesty will retire after 15 years with the company and will continue to advise on commercial operations and business development. Ryan D. Osterholm, who joined the company in October 2007, was promoted to succeed him as senior vice president, commercial operations and business development, as part of a leadership succession program. The change is a planned management transition, and the filing gives no financial results.
Hardesty, age 63, is retiring as senior vice president, commercial operations, business development, international coke and terminals, and will advise the company after retiring.
Osterholm, age 51, has been vice president, commercial operations and business development since August 2025.
Osterholm will receive a $440,000 annual base salary and a non-equity incentive target equal to 60% of base salary.
Neptune Insurance Holdings' board increased its size from six to seven directors and elected David Noble to fill the new seat, effective immediately, as a Class I director with a term through the 2029 annual meeting. The board determined Noble is independent, and he will receive restricted stock units covering 28,704 Class A shares that vest over three years, starting September 30, 2027.
David Noble elected to board on September 30, 2026; board expanded from six to seven directors
Board has determined Noble is independent under SEC and NYSE rules; committee assignments not yet determined
RSU award covers 28,704 Class A common shares; one third vests September 30, 2027, remainder quarterly thereafter
Company issued press release on September 30, 2026 announcing the appointment, furnished as Exhibit 99.1
Streamex Corp. said interim executive chairman Morgan Lekstrom resigned from that role effective September 30, 2026, and will remain an independent board member. The company has not yet named a successor as executive chairperson, so shareholders will not know who will lead the board in that role until one is identified. The filing contains no financial results, despite the Item 2.02 heading.
Lekstrom resigned as interim executive chairman on September 24, 2026, effective September 30, 2026.
He will keep his position as an independent member of the Board of Directors.
No successor as executive chairperson has been identified yet.
The filing includes no revenue, profit, or guidance figures.
Levi Strauss & Co. named John Vandemore, former CFO of Skechers U.S.A., as Executive Vice President and Chief Financial Officer, effective November 1, 2026. He succeeds the role currently held by Harmit Singh, who announced his retirement in April 2026 and will serve as a Special Advisor through November 30, 2026, to support the transition.
Vandemore, 53, was CFO of Skechers U.S.A., Inc. starting November 2017 and previously held finance roles at Mattel and other firms
Base salary of $1,350,000 with an initial target bonus of 110% of base salary
Sign-on award includes a $4,000,000 cash incentive, plus RSU and SAR grants valued at $5,500,000 each
Virtuix Holdings Inc. granted its Chief Financial Officer, Thomas McGinnis, a one-time award of 100,000 restricted stock units under its 2025 Omnibus Incentive Plan. At its September 24, 2026 annual meeting, stockholders re-elected three Class I directors and ratified EisnerAmper LLP as auditor, and the board named Randolph C. Read Lead Independent Director.
Board approved 100,000 RSUs for CFO Thomas McGinnis on September 29, 2026, vesting 25% after one year and the rest in twelve quarterly installments
Stockholders elected Ugo de Charette, John Cunningham and Melissa Mohr as Class I directors, each serving until the 2029 annual meeting
Stockholders ratified EisnerAmper LLP as independent registered public accounting firm for fiscal year ending March 31, 2027, with 85,819,980 votes for
Votes represented at the meeting totaled 86,072,228, or 78.31% of voting power
TScan Therapeutics said its Chief Financial Officer, Jason A. Amello, and Chief Medical Officer, Chrystal Louis, will leave the company as part of a strategic reorganization. Both executives signed separation agreements, with employment ending on the earlier of November 1, 2026 or the date they start other paid work, and their pay and benefits continue until then.
Jason A. Amello (CFO) and Chrystal Louis, M.D., MPH (CMO) are departing under separation agreements dated September 24 and September 25, 2026.
Employment ends on the earlier of November 1, 2026 or the executive's start of other employment, consulting or paid board service.
Amello may receive a $85,000 lump-sum cash award and Louis a $125,000 award, each payable if a company milestone is achieved before their separation date under the November 2025 retention program.
Exascale Labs (XLAB) appointed Jake Carney as Chief Financial Officer effective September 25, 2026, ending the interim tenure of Gildas Bonnier, whose service was no longer required after the company's formal search. The filing states Bonnier's departure was not due to any disagreement with the company over operations, policies or practices.
Jake Carney, 38, appointed CFO effective September 25, 2026
Gildas Bonnier ceased serving as Interim CFO effective September 25, 2026
Carney's base salary is $6,000 per month under his employment agreement
Filing states no disagreement led to Bonnier's departure
Jones Lang LaSalle disclosed that Mihir Shah, CEO of Jones Lang LaSalle Technologies and a member of the Global Executive Board, will depart effective April 1, 2027. His separation agreement provides cash severance, a pro-rated incentive payment and other benefits, with equity awards treated under existing plans.
Mihir Shah leaves the company effective April 1, 2027; the separation agreement is dated September 28, 2026
Severance equals 54 weeks of base salary, or $675,000, plus a pro-rated Annual Incentive Plan payment of $590,000 and an additional payment of $2,360,000
Unvested equity awards are forfeited as of the Separation Date, with pro-rated vesting of outstanding awards based on service
Payments are conditioned on a general release of claims; the agreement includes a twelve-month non-solicitation covenant
Halozyme Therapeutics elected James Daly to its Board of Directors on September 28, 2026, disclosed in a filing dated September 30, 2026. Mr. Daly was placed in the class of directors with terms ending at the 2029 annual meeting and was not initially assigned to any Board committee.
Board election date: September 28, 2026
Term ends at the company's annual meeting of stockholders in 2029
Not initially assigned to any Board committee
Compensated under the non-employee director program; no related person transactions or election arrangements disclosed
Albertsons Companies appointed three new directors, William Boltz, Chris Drumgoole and Margaret Ham, effective October 14, 2026, expanding the board from 11 to 14 members. The company also named Senior Vice President Cody Perdue as Interim Chief Financial Officer effective September 30, 2026, after Sharon McCollam's previously announced retirement, so shareholders are seeing a change in the finance leadership while a permanent CFO is sought.
Three directors appointed effective October 14, 2026: William P. Boltz, Chris Drumgoole and Margaret M. Ham; board expands from 11 to 14 directors
Cody Perdue, SVP of Treasury, Investor Relations and Risk Management, named Interim CFO effective September 30, 2026
Perdue receives a stipend at an annual rate of $350,000 during his interim service, in addition to his normal compensation
Sharon McCollam stays in an advisory role through the end of the fiscal year on February 27, 2027; the search for a permanent CFO is underway
Ultra Clean Holdings appointed Alexander Davern to its Board of Directors, effective September 28, 2026. The filing says he has more than 30 years of industrial technology experience, including service as CEO of National Instruments from 2017 to 2020, and the appointment does not include any financial results or guidance.
Appointed to the Board effective September 28, 2026; announced in a press release dated September 30, 2026
Previously served at National Instruments from 1994 to 2020, including as CEO from 2017 to 2020 and CFO from 1998 to 2010
Currently an independent director of Cirrus Logic, Computer Modelling Group and Spectris plc
Will receive director compensation under the non-employee director policy and is expected to sign the standard indemnification agreement
Regeneron's Compensation Committee granted CEO Leonard Schleifer and CSO George Yancopoulos one-time performance share units effective September 24, 2026, replacing their annual equity awards through 2036. Payouts depend on new product filings, approvals and revenue from new products over a performance period ending December 31, 2035, with a maximum of 2,700,000 PSUs for the CEO and 2,900,000 for the CSO. The filing also discloses that both executives received equity stakes in a newly formed, majority-owned subsidiary that the company says has nominal value and no significant assets.
Grant effective September 24, 2026; performance period runs January 1, 2026 through December 31, 2035
Revenue-based earnout starts at $10 billion of new product annual revenues and the maximum requires about $30 billion
Award caps are 2,700,000 PSUs for the CEO and 2,900,000 PSUs for the CSO; shares are subject to a holding period until February 2036
Both executives received stakes in a new subsidiary formed to explore a non-core business that has not yet commenced operations
Arhaus, Inc. announced that K.C. Moss has been appointed as its first Chief Digital Officer, effective September 30, 2026, a newly created executive role. Moss will lead digital strategy, including eCommerce, digital product and experience, personalization, and client data and analytics, and will report directly to Founder and CEO John Reed.
K.C. Moss appointed first Chief Digital Officer, effective September 30, 2026
Moss reports directly to John Reed, Founder and Chief Executive Officer, and joins the executive leadership team
Role covers eCommerce, digital product and experience, personalization, and client data and analytics
Moss has more than 25 years of experience building and leading digital businesses
Fortrea Holdings appointed Carrie Russell as its Chief Accounting Officer effective October 5, 2026. She has served as interim Chief Accounting Officer and principal accounting officer since August 7, 2026, while also serving as Vice President of Accounting. The filing gives her a $340,000 base salary and a 40% annual incentive bonus target, which is routine for an officer role and does not change the company's financial outlook.
Carrie Russell is appointed Chief Accounting Officer effective October 5, 2026, after serving as interim CAO since August 7, 2026
Annual base salary is $340,000, with an annual incentive bonus target of 40% of base salary
She is eligible for performance stock units and restricted stock units under the 2023 Omnibus Incentive Plan
Diamondback Energy amended its Stockholders Agreement with SGF FANG Holdings, LP, tying the Stephens group's board designation rights to its ownership level. Directors Darin Holderness and Lance Robertson resigned from the board in connection with a Board Stepdown under that agreement, not because of any disagreement with the company.
Amendment dated September 29, 2026 lets the Stephens Majority designate two directors if Stephens Stockholders own at least 10% but less than 25% of outstanding shares.
The Stephens Stockholders would have no designated directors if they own less than 10% of outstanding shares.
Darin Holderness resigned from the board on September 29, 2026; Lance Robertson resigned on September 30, 2026.
Resignations were stated to be unrelated to any disagreement with the company on operations, policies or practices.
Cars.com said CFO Sonia Jain will leave the role effective November 6, 2026, and stay on as an Executive Advisor until March 31, 2027. Trent Ziegler, former CFO of FairSquare, will become CFO on November 6, 2026, after joining as CFO-Designate on October 19, 2026. The change is a senior finance leadership transition, and the filing discloses no financial results or guidance changes.
Sonia Jain ceases to be CFO effective November 6, 2026; she receives $250,000 during her advisory period through March 31, 2027
Trent Ziegler, age 43, previously CFO of FairSquare, Inc. (August 2024 to September 2026) and earlier CFO of LendingTree, Inc.
Ziegler compensation: $475,000 base salary, 80% bonus target, $3,500,000 target-value RSU grant, and a $275,000 signing bonus
City Holding Company (NASDAQ: CHCO) appointed Jessica Alsop as a Class I director and Vonda Huss as a Class II director, both effective September 30, 2026. Both will stand for election at the Company's 2027 Annual Meeting of Shareholders, and neither has been appointed to a board committee as of the filing date. The filing describes routine board additions with no financial results attached, so it has limited direct effect on shareholders.
Jessica Alsop has been senior vice president and chief legal officer at West Virginia University Health System since 2019.
Vonda Huss has been executive vice president and chief human resources officer at Brighthouse Financial since 2017 and previously spent 29 years at Wells Fargo.
Both were also appointed to the board of City National Bank of West Virginia, the Company's affiliate, effective September 30, 2026.
Lee Enterprises appointed Gregory Hoffmann, age 37, as a director effective immediately, with a term running until its 2028 annual meeting, and placed him on the Nominating and Corporate Governance Committee. The filing discloses that he is the son of Chairman and majority stockholder David Hoffmann, and it lists related-party dealings between the company and the Hoffmann family, including a management agreement with Hoffmann Media Group. The filing reports no financial results, so the change is governance-related rather than a measure of operating performance.
Board appointment made September 24, 2026; announced in a press release dated September 30, 2026
Gregory Hoffmann serves as Co-Chief Executive Officer of Hoffmann Family of Companies and has been CEO of Hoffmann Commercial Real Estate since April 2017
He is the son of David Hoffmann, Chairman and majority stockholder, who bought 10,909,440 shares in a February 5, 2026 private placement
Hoffmann Media Group pays a fixed management fee of $135,000 per fiscal quarter under a May 14, 2026 five-year agreement
Carlsmed said CFO Leo Greenstein left the role effective September 25, 2026, and appointed Richard Heppenstall as CFO effective September 28, 2026. Greenstein's separation includes $500,000 in cash severance, accelerated vesting of some equity awards, and a $60,000 advisory fee through December 31, 2026. The company reaffirmed its full-year 2026 revenue guidance of $74 million to $78 million, so the leadership change did not come with a change to that outlook.
Greenstein's departure effective September 25, 2026; Heppenstall's appointment effective September 28, 2026.
Greenstein to receive $500,000 in cash payments, equal to 12 months of base salary, plus a $60,000 advisory fee.
Heppenstall's employment agreement sets a $500,000 base salary and a target bonus of 60% of base, with $1.4 million each in inducement stock options and RSUs.
Full-year 2026 revenue guidance of $74 million to $78 million was reaffirmed.
HealthEquity appointed Noémie Heuland, Chief Financial Officer of Moody's Corporation, to its Board of Directors effective September 24, 2026, expanding the Board to eleven members from ten. The filing also discloses that the company paid approximately $146,519 to Moody's controlled subsidiaries in the fiscal year ended January 31, 2026 for bond ratings services and data sets, and expects to pay more than $120,000 in the fiscal year ending January 31, 2027.
Heuland appointed effective September 24, 2026; Board expands to 11 members from 10, with nine of the 11 independent.
Heuland will serve on the Audit and Risk Committee and the Cybersecurity and Technology Committee.
Paid approximately $146,519 to Moody's controlled subsidiaries in the fiscal year ended January 31, 2026 for ratings services and data sets.
Expects payments to Moody's controlled subsidiaries to exceed $120,000 in the fiscal year ending January 31, 2027.
Mattel's CEO Ynon Kreiz resigned as CEO and chairman effective October 2, 2026, and the board named director Roger Lynch as chairman effective that date and as CEO no later than November 2, 2026. Jonathan Anschell will serve as interim principal executive officer until Lynch takes over, and the filing discloses Lynch's pay package, including a $2,300,000 base salary and $10,600,000 make-whole signing bonus.
Ynon Kreiz resigned as CEO and chairman effective October 2, 2026, to take a senior role at another public company
Roger Lynch, a board member since 2018, becomes chairman October 2, 2026 and CEO no later than November 2, 2026
Lynch's offer letter includes a $2,300,000 base salary, a 200% target bonus, and a $10,600,000 make-whole signing bonus
Diana Ferguson was named Independent Lead Director effective October 2, 2026
Kardigan, Inc. appointed Kristin Reinke to its board of directors effective September 29, 2026, and named her chair of the Audit Committee. Doug Giordano resigned from the board and the Audit Committee the same day, saying the decision was not due to any disagreement with the company. The filing describes this as a board governance change with no reported financial results.
Kristin Reinke, Vice President of Finance at Google, appointed Class I director effective September 29, 2026, and named Audit Committee chair
Doug Giordano resigned from the board and Audit Committee on September 29, 2026; the company says no disagreement led to the resignation
Reinke will receive an initial new director stock option grant valued at $650,000, plus cash compensation for board and committee service
General Mills' board elected Chief Operating Officer Dana McNabb as chief executive, succeeding Jeffrey Harmening, who is retiring as CEO and will serve as Executive Chair of the board. Both appointments take effect January 1, 2027, and the board also set new pay levels for each executive.
McNabb's CEO base salary will be $1,350,000, with an annual cash incentive target of 180% of base salary, plus an incremental long-term incentive award of $2,100,000.
Harmening's base salary as Executive Chair will be reduced to $1,100,000, and his annual cash incentive target will decrease to 125% of base salary.
McNabb has been Chief Operating Officer since June 2026 and joined General Mills in 1999.
Moderna appointed Juan Andres, a former Moderna executive who retired in 2023, as its new Chief Operating Officer, effective October 5, 2026, reporting to CEO Stephane Bancel. The company also said Chief Technical Operations and Quality Officer Jerh Collins will retire, so the appointment adds a senior operations role while a manufacturing leader departs.
Juan Andres, 62, starts as COO on October 5, 2026 and will serve on the Executive Committee.
Andres receives an initial base salary of $800,000 and a target annual bonus of 90% of base salary.
A new hire equity award with total value of $5,000,000 is subject to four-year vesting; annual equity target is $4,000,000 to $5,000,000.
Jerh Collins, Ph.D., Chief Technical Operations and Quality Officer, will retire; the filing gives no retirement date.
Johnson Controls International plc said Julie Brandt, its Vice President and President, Global Commercial and Field Operations, will leave her role as part of a planned transition tied to changes in the company's operating model. She moves to an advisory role on October 1, 2026, and is expected to stay in that role through December 31, 2026, and her departure will entitle her to severance under the company's officer severance policy.
Julie Brandt's transition to an advisory role begins October 1, 2026.
Brandt is expected to remain with the company in the advisory role through December 31, 2026.
Her departure triggers severance benefits under the Severance and Change in Control Policy for Officers; the filing gives no dollar amount.
The decision was determined on September 25, 2026, and the 8-K was dated September 30, 2026.
AEP filed notice that Alicia Knapp, its President of Nuclear Development, left the company on September 29, 2026, in an involuntary separation. She may receive severance under the company's Executive Severance Plan if she signs a release of claims and a one-year noncompetition agreement, which would give her one times her current salary and target annual incentive plus prorated vesting of certain long-term incentive awards.
Alicia Knapp, President Nuclear Development, left AEP on September 29, 2026 in an involuntary separation.
Severance benefits depend on Knapp signing a release of all claims that she may lawfully release and a one-year noncompetition agreement.
Benefits would include one times her current salary and target annual incentive compensation, plus prorated vesting of performance shares and restricted stock units.
The Hartford Insurance Group said CEO Christopher Swift will leave the chief executive role effective March 1, 2027, and become executive chair while still chairing the board. President A. Morris Tooker, who joined in 2015, will become CEO on the same date and joins the board October 1, 2026. Tooker's proposed target pay is $12 million a year, and the change is a planned succession rather than a reported change in financial results.
Swift resigns as CEO effective March 1, 2027; expected to step down as executive chair in the second half of 2027
Tooker, 57, named CEO effective March 1, 2027 and elected director effective October 1, 2026
Tooker target total annual compensation of $12 million: $1.1 million base salary, $2.75 million AIP target, $8.15 million LTI target
Swift 2027 base salary of $1.2 million, AIP target of $2.4 million and LTI target of $7.4 million
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.