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).
Solidion Technology announced that its Board of Directors has combined the Chairman and Chief Executive Officer roles under Jaymes Winters, effective September 16, 2026. The Board also appointed director Mark N. Schwartz as Lead Independent Director, effective the same date, and thanked Dr. Bor Jang for his service as former Chairman, noting he remains a director. The company says the changes are intended to align strategy, governance and execution.
Jaymes Winters appointed Chairman of the Board effective September 16, 2026, while continuing as Chief Executive Officer
Mark N. Schwartz appointed Lead Independent Director effective September 16, 2026
Dr. Bor Jang, former Chairman, remains a Director on the Board
Daktronics' board raised the base salary of Acting Chief Financial Officer Howard Atkins to $1,200,000 annually, effective September 27, 2026, and approved a one-time RSU grant with a $170,000 grant-date fair value. At its September 16, 2026 annual meeting, stockholders elected two directors, approved executive pay on an advisory basis, and ratified Deloitte & Touche LLP as auditor for fiscal 2027.
Base salary for Acting CFO Howard Atkins increases to $1,200,000 annually, effective September 27, 2026.
One-time RSU grant with a $170,000 grant-date fair value vests over three years, and fully vests when the Board appoints a permanent CFO.
Stockholders approved executive compensation with 35,223,706 votes for and 3,209,139 against.
Deloitte & Touche LLP was ratified as independent auditor for fiscal 2027 with 44,023,266 votes for and 916,770 against.
Q/C Technologies appointed Yossef Ehrlichman as Chief Technology Officer on September 14, 2026, and announced the appointment in a September 15 press release. He will lead the company's optical processor development and overall technology strategy, and his base salary rises from $260,000 to $275,000 under an amended employment agreement. The filing contains no financial results, so the appointment's financial effect on the company is not quantified.
Appointed CTO on September 14, 2026; he had served as founding manager of photonic integrated circuit development since August 1, 2026
Annual base salary increased from $260,000 to $275,000
Restricted stock award with a grant-date fair market value of $250,000, vesting in three equal annual installments, subject to stockholder approval of a plan share increase
Employment is at-will, with 30 days' advance written notice required for termination by either party
IT Tech Packaging said its independent auditor, HCL, PLLC, resigned effective September 16, 2026, about two weeks after being engaged on September 2, 2026 to audit fiscal 2025. HCL issued no audit report during its engagement, and the filing reports no disagreements or reportable events, but the company has not yet named a replacement auditor.
HCL, PLLC resigned as independent registered public accounting firm effective September 16, 2026, after notifying the Audit Committee that day.
HCL had been engaged on September 2, 2026 to audit the fiscal year ended December 31, 2025 and issued no audit report.
No disagreements or reportable events were identified, according to the filing.
As of the filing date, the company has not engaged a successor auditor and says it intends to do so promptly.
Concentrix said its Executive Vice President of Customer Success, Cormac Twomey, will step down effective December 31, 2026, under an agreement dated September 15, 2026. He will provide transition support as a consultant for 60 days after leaving, and his severance follows the company's executive severance plan and his UK service agreement. The filing does not describe financial effects, and the change affects one senior executive role.
Cormac Twomey, Executive Vice President, Customer Success, will step down effective December 31, 2026
Agreement with Twomey dated September 15, 2026 provides severance under the Amended and Restated Executive Severance Plan and his 2019 UK service agreement
Twomey will serve as a consultant for limited transition support for a 60-day period after separation
C1 Fund Inc. disclosed that David Hytha, its Secretary, Treasurer and Chief Financial Officer, intends to retire effective December 31, 2026. The company says it intends to name a replacement before his retirement date.
David Hytha, Secretary, Treasurer and Chief Financial Officer, told the company on September 18, 2026 of his intent to retire.
Retirement is effective as of December 31, 2026.
The company intends to identify a replacement before Mr. Hytha's retirement date.
Farmers National Banc Corp. said its Senior Executive Vice President and Chief Operating Officer, Myke Matuszak, agreed with the company that his employment will terminate effective October 15, 2026. The filing does not state a reason or name a successor, so its effect on operations is not described.
Myke Matuszak is Senior Executive Vice President and Chief Operating Officer of Farmers National Banc Corp. and The Farmers National Bank of Canfield.
The termination is effective October 15, 2026, by mutual agreement between the company and Matuszak.
The filing was announced September 18, 2026, and signed by CEO Kevin J. Helmick.
The filing does not disclose a successor or any severance terms.
First Carolina Financial Services, Inc. said Chief Financial Officer and Chief Risk Officer Steven Deaton will retire effective January 1, 2027, after giving notice on September 14, 2026. The same filing reports the September 6, 2026 full redemption of $32.0 million in subordinated notes and preliminary net interest margin figures that were unchanged from July to August, with September estimated at the same levels.
Steven G. Deaton gave notice on September 14, 2026 of his retirement as CFO and Chief Risk Officer of the company and First Carolina Bank, effective January 1, 2027.
The company completed a full redemption of $32.0 million of Fixed to Floating Rate Subordinated Notes due December 6, 2029 on September 6, 2026.
Consolidated net interest margin was 3.34% for July and August 2026 and is estimated at 3.34% for September.
First Carolina Bank net interest margin was 3.46% in July, 3.47% in August and is estimated at 3.47% for September.
Okta, Inc. appointed Helen Riley as an independent director effective September 18, 2026, and she joins the Audit Committee. Director Emilie Choi resigned from the Board effective September 14, 2026, and the filing says her departure was not due to any disagreement with the Company.
Helen Riley appointed as Class I director, serving until the 2027 Annual Meeting of Stockholders
Riley to receive $35,000 annual Board compensation and $13,000 for Audit Committee service, plus an initial grant of 2,907 restricted stock units vesting over three years
Emilie Choi resigned from the Board effective September 14, 2026; filing states no disagreement with the Company
Universal Corporation terminated J. Patrick O'Keefe, its Vice President, Ingredients, without cause, effective September 15, 2026. The company had previously reported that he intended to retire, and it is working with an executive search firm to find a successor.
J. Patrick O'Keefe, Vice President, Ingredients, was terminated without cause on September 14, 2026, effective September 15, 2026.
On July 29, 2026, Mr. O'Keefe had notified the company of his intention to retire.
The company continues its previously announced process of identifying a successor with an executive search firm.
Seer, Inc. said its President, Chief Financial Officer and Treasurer, David Horn, resigned to pursue other interests, effective October 1, 2026, and that the resignation was not due to any disagreement over operations. The board named CEO Omid Farokhzad as president and Charles Endweiss, the company's VP of Financial Planning & Analysis, as treasurer and principal financial and accounting officer, both effective the same day, so shareholders will see a change in the officer handling finance.
David Horn resigned September 14, 2026, effective October 1, 2026, to pursue other interests
Board appointed Omid Farokhzad, M.D., as President, on top of his CEO and Board Chair roles, effective October 1, 2026
Charles Endweiss, age 49 and VP of Financial Planning & Analysis since January 2021, becomes Treasurer and principal financial and accounting officer
Company offered Horn extended option exercise period of one year after his last day, subject to a separation and release agreement
INVE Technologies said CEO and director Kirsten Newquist will leave the CEO role effective September 21, 2026 and her Board seat effective September 30, 2026. The Board appointed James Greenwell, 67, as interim CEO effective September 21, 2026, and he will be paid through Korn Ferry at about $18,000 per week under a statement of work with an initial estimated end date of March 26, 2027.
Kirsten Newquist resigns as CEO effective September 21, 2026 and as a director effective September 30, 2026; she remains an employee through September 30, 2026.
James Greenwell appointed interim CEO effective September 21, 2026 by the Board on September 14, 2026.
Company expects to pay Korn Ferry about $18,000 per week; a non-refundable conversion fee applies if INVE hires Greenwell during the SOW or within twelve months after it ends.
The SOW's initial estimated end date is March 26, 2027, and either party may end it on two weeks' written notice.
Gold.com said Jill Van, its Executive Vice President and Controller, will become Chief Financial Officer on September 18, 2026, succeeding Cary Dickson, who is retiring. The Audit Committee also dismissed Grant Thornton LLP as auditor on September 14, 2026, and approved KPMG LLP for the fiscal year ending June 30, 2027. The filing reports no disagreements with Grant Thornton and no adverse or disclaimed audit opinions.
Jill Van named CFO effective September 18, 2026; she has been with the company since June 2025
Cary Dickson retires on September 18, 2026 and will serve as a consultant for 12 months
Grant Thornton dismissed September 14, 2026; its reports for fiscal 2025 and 2026 had no adverse opinion or disclaimer
KPMG LLP approved as independent auditor for the fiscal year ending June 30, 2027
American Tower's board elected Kristen M. Ludgate as a director effective immediately, and she joined the Compensation and Human Capital Committee. The board also declared a quarterly cash distribution of $1.79 per share, payable October 20, 2026 to stockholders of record on September 30, 2026. The filing contains no financial results, so it gives no direct read on the company's performance.
Ludgate was elected on September 17, 2026 and will serve until the 2027 Annual Meeting of Stockholders.
She was Chief People Officer of HP Inc. from 2021 to 2025 and spent over 15 years at 3M Company.
The quarterly cash distribution is $1.79 per share, payable October 20, 2026 to holders of record on September 30, 2026.
Valero Energy's board increased its size to 11 members on September 17, 2026, and elected Matthew Audette as a director with a term ending at the 2027 annual meeting. Audette, who is President and CFO of LPL Financial Holdings, also joined the board's Audit Committee, and the board approved a $10,000 increase to both the cash retainer and equity grant components of director pay beginning in 2027. The filing covers a board appointment and does not report financial results or changes to operations.
Matt Audette elected to the board on September 17, 2026; board size increased to 11 members
Audette appointed to the Audit Committee, effective immediately
Audette received a pro-rata grant of 372 stock units and a pro-rata annual cash retainer of $101,667
Board approved a $10,000 increase to annual cash retainer and equity grant components beginning in 2027
Smith Micro Software appointed founder Bill Smith as President and Chief Executive Officer on September 18, 2026, succeeding Timothy Huffmyer, who resigned as CEO on September 17, 2026, effective immediately, to pursue other opportunities. Huffmyer will remain on the Board of Directors, and the filing states that Smith's compensation has not changed. The filing also discloses several financings in which Smith or a trust he co-trustees lent money to or invested in the company between September 2025 and March 2026.
Bill Smith, age 78, was appointed President and CEO; he had served as Executive Chairman since March 2026 and as CEO from 1982 until March 2026.
Timothy Huffmyer resigned as President and CEO on September 17, 2026, effective immediately, and will continue to serve on the Board.
Related-party financings disclosed: $833,000 (September 2025 loan), about $1.5 million (November 2025 private placement), about $1,000,000 (February 2026 loan), and about $4.6 million (March 2026 closing), before expenses.
Earlier notes were repaid from proceeds of the March 2026 transaction; the filing does not report new financial results or guidance.
Pentair plc's Board appointed Louis V. Pinkham as a director and member of the Audit and Finance Committee, effective September 17, 2026. The Board determined he is independent under New York Stock Exchange standards. The filing is an administrative board addition and does not describe a change in financial results or guidance.
Louis V. Pinkham appointed to the Board effective September 17, 2026
Named member of the Audit and Finance Committee
Board determined Mr. Pinkham is independent under NYSE listing standards
He will receive standard non-employee director compensation and sign a Deed of Indemnification
Adient said director Peter Carlin will resign from the board on Oct. 1, 2026, and join as vice president, finance, before becoming executive vice president and chief financial officer on Nov. 16, 2026, replacing Mark Oswald, who departs at that time. The board will shrink to seven members as of Oct. 1, and Carlin's CFO pay package includes a $820,000 base salary and a $4,250,000 target equity award for fiscal 2027.
Carlin, a director since 2018, resigns from the board on Oct. 1, 2026 and joins as vice president, finance
Carlin becomes CFO and principal financial officer effective Nov. 16, 2026, when Mark Oswald departs
CFO pay: $820,000 base salary, 100% target bonus, and $4,250,000 target equity award for fiscal 2027
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.