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).
Acadia Pharmaceuticals appointed Jonathan M. Poole as a director on March 3, 2026, filling a board vacancy, and named him to the Audit Committee effective immediately. The filing details his director pay and an initial equity grant with a target value of $200,000, plus a prorated annual grant of $95,300, which adds to the board's composition and compensation terms but does not report any financial results.
Poole appointed to the Board on March 3, 2026 as a Class II director, with a term expiring at the 2027 Annual Meeting of Stockholders
Annual cash retainers of $50,000 for board service and $12,500 for Audit Committee membership, prorated per the Policy
Initial equity grant with target fair value of $200,000 and prorated annual grant with target fair value of $95,300, both vesting over one year to three years
Future annual equity grant target value of $400,000 starting with the 2026 Annual Meeting of Stockholders
Alnylam's Board granted CEO Yvonne Greenstreet a special performance share award effective March 2, 2026, with a target of 55,373 shares and a stated face value of $18.0 million. The award pays out only if the stock's future 30-day average price reaches thresholds starting at $500 and reaching $800 by December 31, 2029, so it creates no value unless shareholders see significant stock price gains.
Target award: 55,373 performance share units, face value $18.0 million based on the $325.07 closing price on the Grant Date
Vesting range: 50% to 200% of target, tied to future average stock price thresholds of $500, $600, $700 and $800
Baseline threshold of $500 must be met or the award is forfeited in full; vesting date is December 31, 2029
The award was granted concurrently with the March 2, 2026 annual equity grants to Greenstreet and other executives
Brown & Brown's Compensation Committee adopted a 2026 annual cash incentive plan for certain executive officers and approved performance-based stock awards on March 3, 2026. The awards tie executive pay to organic revenue growth, adjusted EBITDAC margin, five-year share price and earnings per share targets, which aligns payouts with long-term results shareholders would track.
Target 2026 cash incentives: J. Powell Brown $5,500,000; R. Andrew Watts $1,400,000; Chris L. Walker $1,400,000; J. Scott Penny $1,100,000
Performance stock awards granted March 3, 2026: J. Powell Brown $10,000,000; R. Andrew Watts $5,000,000; J. Scott Penny $2,500,000
Chris L. Walker received a performance stock unit grant valued at $1,500,000, with payouts measured over five years beginning January 1, 2026
WesBanco's board approved reducing its size from 19 directors to 15, effective at the conclusion of the 2026 Annual Meeting of shareholders in April 2026. Three directors accepted a voluntary retirement offer, and director Michael J. Crawford is retiring under the company's age policy. The board said the change was made to position it at an optimal size, since its current size is much larger than that of peers.
Board size falls from 19 to 15 directors, effective at the conclusion of the April 2026 Annual Meeting.
Abigail M. Feinknopf, James W. Cornelsen and D. Bruce Knox accepted the voluntary retirement offer, which includes a one-time restricted stock grant valued at $250,000.
Michael J. Crawford retires at the 2026 Annual Meeting under the policy requiring directors to be under 70 at election.
John L. Bookmyer and Joseph R. Robinson were reclassified to rebalance the board's three director classes, with Bookmyer nominated for a three-year term and Robinson for a one-year term.
SL Green appointed Chief Investment Officer Harrison Sitomer as its President on February 27, 2026, and he will keep the Chief Investment Officer role. The company also extended Chief Financial Officer Matthew DiLiberto's term through January 1, 2029, with a new employment agreement. Shareholders get a clearer management structure, and the filing sets out the pay terms for both executives.
Harrison Sitomer, 36, was appointed President on February 27, 2026, and has been Chief Investment Officer since 2022.
Sitomer's employment agreement runs from 1/1/26 to 1/1/30, with a base salary of $700,000 and a $750,000 signing bonus.
Sitomer's first time-based award is $3,300,000 in restricted stock, and his first performance-based LTIP award has a target value of $2,500,000.
DiLiberto's term as CFO is extended to January 1, 2029, with a base salary of $660,000 and a first time-based LTIP award of $1,540,000 made in February 2026.
Blueport Acquisition Ltd disclosed a consulting agreement, dated November 11, 2025, with Hurricane Corporate Services Ltd., a firm controlled by its Chief Financial Officer, Kulwant Sandher, to provide CFO services for a monthly fee of $3,000 plus reimbursable expenses. The filing also says the company orally agreed in November 2025 to pay each director $7,500 per quarter, a deal the company can end at any time. The related-party arrangement and director pay are disclosed for shareholders to weigh against the company's governance.
Consulting Agreement with Hurricane Corporate Services Ltd., controlled by CFO Kulwant Sandher, dated November 11, 2025
Monthly fee of $3,000 plus reimbursable expenses; term of three months, automatically renewed for three more months on February 11, 2026
Directors to receive $7,500 per quarter under an oral agreement that the company may terminate at any time
Stellar V Capital Corp. said its board elected Michael Braunstein as a class II director on February 28, 2026, filling the seat held by Harry Braunstein, who died on November 2, 2025. Michael Braunstein was also named to the Audit and Compensation Committees and as chair of the Nominating and Corporate Governance Committee, and the board determined he is independent under NASDAQ rules.
Michael Braunstein elected class II director on February 28, 2026, on recommendation of the Nominating and Governance Committee
Named to Audit Committee and Compensation Committee, and chair of Nominating and Corporate Governance Committee
Board determined he is independent under NASDAQ Stock Market listing rules
He is a partner at Braunstein Turkish LLP and managing member of Sunset Capital 1 LLC since November 2025
On February 26, 2026, Quanta Services' Compensation Committee adopted 2026 annual, long-term and discretionary incentive plans covering corporate employees, senior leadership and all employees, with specific target incentive amounts set for executive officers. The filing describes compensation structure rather than financial results, so it does not change reported performance.
Adopted February 26, 2026 by the Compensation Committee of the Board
2026 annual metrics include EBITDA, EBITDA margin and safety
Long-term metrics for January 1, 2026 to December 31, 2028 include return on invested capital, earnings per share and total stockholder return
M/I Homes director Norman L. Traeger, a board member since 1997, notified the company on February 27, 2026 that he will retire at the end of his current term and will not stand for re-election at the 2026 Annual Meeting of Shareholders. The company said it will name his successor in the proxy statement for that meeting, so shareholders will learn the replacement later.
Norman L. Traeger has served on the board since 1997 and gave notice on February 27, 2026.
He will not stand for re-election at the 2026 Annual Meeting of Shareholders.
The board's nominee to succeed him will be identified in the 2026 proxy statement.
The filing does not describe the reasons for the retirement.
Albemarle's board appointed Michelle T. Collins and Mark R. Widmar as independent directors, effective February 26, 2026, and the company announced the appointments on March 2, 2026. The filing describes the appointments as part of the board's regular succession planning and does not indicate any change in the company's financial results or operations.
Collins brings more than 40 years of audit and advisory experience, including a career at Deloitte & Touche LLP from 1996 until her retirement.
Widmar has served as Chief Executive Officer of First Solar since 2016 and previously held CFO roles at First Solar and GrafTech International.
Each director will receive an annual cash retainer of $120,000 and an annual restricted stock grant equal to $170,000 at the grant date, pro-rated for partial-year service.
Insulet Corporation entered into a severance agreement and release with Ana M. Chadwick, its former Chief Financial Officer, on February 27, 2026. The filing says the agreement implements severance benefits already disclosed in earlier filings and does not materially change those arrangements.
Agreement dated February 27, 2026, with former CFO Ana M. Chadwick
Terms do not differ materially from previously disclosed arrangements, per the Form 8-K filed September 16, 2025
Includes standard release of legal claims, mutual non-disparagement, and continuing confidentiality, non-solicit, non-compete, and IP assignment obligations
Filing dated March 4, 2026, signed by Patricia K. Dolan, Vice President and Secretary
On March 4, 2026, Vir Biotechnology's board appointed Chief Executive Officer Marianne De Backer to the additional position of President. The filing describes no change to her compensation and no financial results, so the change is administrative in nature and reflects a broader role for the chief executive.
Marianne De Backer, Ph.D., remains Chief Executive Officer and principal executive officer and adds the title of President.
Board of Directors made the appointment on March 4, 2026.
Filing states no family relationship and no related-party transactions requiring disclosure for Dr. De Backer.
Biographical details are incorporated by reference from the proxy statement filed April 17, 2025.
Crown Holdings, Inc. announced that Michael P. Doss, former President and CEO of Graphic Packaging Corporation, joined its Board of Directors effective March 3, 2026, bringing the Board to ten members. The filing says he is expected to join the Audit Committee and will receive the same non-employee director compensation as other board members.
Michael P. Doss elected to Board effective March 3, 2026; Board now has ten members
Doss served as President, CEO and Director of Graphic Packaging Corporation from 2016 to 2025
Doss has been a Director of Regal Rexnord Corporation since 2023; expected to join the Audit Committee
Celanese director Timothy Go resigned from the company's Board of Directors effective February 27, 2026, according to an 8-K filed March 4, 2026. The filing states the resignation was not due to any disagreement with the company on operations, policies, or practices.
Timothy Go resigned from the Board effective February 27, 2026
Filing states no disagreement with the company on operations, policies, or practices
Board and company thanked Mr. Go for his service as a Director
FactSet said Kate Stepp, its former Chief Technology Officer, became Chief AI Officer, and Bob Stolte took over as Chief Technology Officer, both effective March 2, 2026. Stepp will lead the company's AI services for clients and report to CEO Sanoke Viswanathan, while Stolte will oversee the global technology organization, including cybersecurity and operational resilience.
Kate Stepp moves from Chief Technology Officer, a role she held since September 2022, to Chief AI Officer
Bob Stolte was appointed Chief Technology Officer, reporting to CEO Sanoke Viswanathan
Both appointments are effective March 2, 2026; the company announced them March 4, 2026
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.