Fuel Tech, Inc. filings document financial results, governance matters and compensation arrangements for a technology company serving utility and industrial customers. Form 8-K reports furnish quarterly and annual earnings releases, including disclosures on the Air Pollution Control, FUEL CHEM® and DGI® Dissolved Gas Infusion businesses, contract activity, backlog commentary and balance-sheet items.
The company’s proxy and other current reports cover board and shareholder voting matters, executive compensation, restricted stock unit awards, corporate incentive plans, and sales commission plans tied to the APC and FUEL CHEM product lines. These filings also identify Fuel Tech as a Delaware registrant with Nasdaq-listed common stock under FTEK.
Fuel Tech, Inc. (FTEK) reported that on September 14, 2026 it posted an updated corporate presentation on its website, which is furnished as Exhibit 99.1 to this report. The materials are provided under a Regulation FD disclosure and are not deemed filed or incorporated into Securities Act registration statements.
FUEL TECH, INC. (FTEK) President & CEO Nuggihalli Ramesh purchased common stock in an open-market transaction on September 1, 2026. He bought 1,470.529 shares at a weighted average price of $1.36 per share, and now holds 1,470.529 shares directly. No Rule 10b5-1 trading plan is reported. The price reflects multiple trades aggregated into a single average, as described in the footnote.
Fuel Tech, Inc. (FTEK) announced that Vincent J. Arnone has decided to resign from his position as Chairman of the Board of Directors, effective September 15, 2026, while remaining a member of the Board. The company states that his decision is not due to any disagreement regarding operations, policies, or practices.
On August 27, 2026, the Board elected Sharon L. Jones, an existing independent director, to succeed Mr. Arnone as Chairman of the Board, effective September 16, 2026.
FUEL TECH, INC. (FTEK) reported the initial equity holdings of its President & CEO, Nuggihalli Ramesh, in the form of Restricted Stock Units (RSUs). The RSUs represent the right to receive 300,000 shares of Fuel Tech common stock, held directly. These RSUs vest in three equal installments over three years from the July 31, 2026 transaction date, with one-third vesting on each of the first, second, and third anniversaries. Each vested RSU generally results in the delivery of one share of common stock after the applicable vesting date, subject to distribution and deferral provisions in the company’s RSU Award Agreement.
Fuel Tech, Inc. reported Q2 2026 revenue of 6,485 (in thousands), up 17% from Q2 2025, but recorded a net loss of 1,230 (in thousands) versus 689 a year earlier. For the first half of 2026, revenue was 12,565 (in thousands) and net loss was 2,585 (in thousands).
Consolidated gross margin declined to 41% from 46% for the quarter and to 42% from 46% year-to-date. Q2 Air Pollution Control revenue was 2,785 (in thousands) and FUEL CHEM revenue was 3,700 (in thousands). APC backlog reached 14,308 at June 30, 2026, with a stated global sales pipeline of approximately $75–100 million.
At June 30, 2026, cash and cash equivalents were 7,620 (in thousands), held-to-maturity investments totaled 21,965 (in thousands), and working capital was 20,118 (in thousands). The company had no debt, with 1,716 (in thousands) of standby letters of credit collateralized by 2,574 (in thousands) of investments, and operating activities used 1,741 (in thousands) of cash in the first half.
Fuel Tech, Inc. reported Q2 2026 results with consolidated revenue of $6.5 million, up 17% from $5.6 million a year earlier, driven by growth in both the Air Pollution Control (APC) and FUEL CHEM segments. APC revenue increased 11% to $2.8 million, while FUEL CHEM revenue rose 21% to $3.7 million. APC backlog reached $14.3 million at June 30, 2026 versus $7.0 million at December 31, 2025, and management cited an effective APC backlog of approximately $17 million including recently announced contract awards of $3 million and additional awards of $10 million tied to a Midwest utility grid enhancement project.
Profitability weakened as consolidated gross margin contracted to 41% from 46%, reflecting lower margins in both segments due to product mix, demonstration costs, freight and internal labor. Q2 2026 net loss was $(1.2) million, or $(0.04) per share, compared with a net loss of $(0.7) million, or $(0.02) per share, and Adjusted EBITDA loss widened to $(1.2) million from $(0.9) million. For the first six months of 2026, revenue was $12.6 million and net loss totaled $(2.6) million.
Liquidity remained solid: as of June 30, 2026, the balance sheet showed cash, cash equivalents, and investments of approximately $30 million, stockholders’ equity of $37.4 million (or $1.20 per share), and no debt. Operating activities used $1.7 million of cash in the first half, and investing activities used $2.5 million, primarily for equipment and securities purchases. The company also announced that Ramesh Nuggihalli will succeed Vincent J. Arnone as President and CEO effective August 10, 2026, with Arnone continuing to serve on the Board of Directors.
Fuel Tech, Inc. announced that Chief Executive Officer and President Vincent J. Arnone has decided to retire and will resign from his executive roles effective August 10, 2026, while continuing as a director and remaining an employee through September 15, 2026 to support transition. His retirement is stated not to result from any disagreement with the company or its board.
The board appointed Ramesh Nuggihalli as Chief Executive Officer and President effective August 10, 2026, following a months-long search. His Employment Agreement provides an initial annual base salary of $440,000, target short‑term incentive of 75% of base salary from fiscal 2027, and a long‑term incentive target equal to 100% of base salary. He will receive a $2,500 monthly housing allowance and an initial grant of 300,000 RSUs vesting in three annual installments of 100,000 each. For certain terminations without Cause or for Good Reason in his first 36 months, he would receive 12 months of salary continuation, partial RSU vesting, prorated incentives, and up to 12 months of COBRA. Following a Change of Control and qualifying termination, he would receive 12 months of salary, full vesting of the initial 300,000 RSUs, prorated bonus, and COBRA reimbursements. In lieu of severance, he may elect a Transaction Completion Bonus equal to 0.5% of Total Enterprise Value, capped at 3× base salary, if common shareholders receive at least $4.00 per share.
Fuel Tech, Inc. reported the results of its Annual Meeting of Stockholders held on June 4, 2026. Stockholders elected four directors — Vincent J. Arnone, Douglas G. Bailey, Sharon L. Jones, and Dennis L. Zeitler — to serve until the next annual meeting or until successors are elected.
Arnone received 10,736,369 votes for and 2,002,423 withheld, while Bailey received 9,855,836 for and 2,879,056 withheld. Jones received 12,340,114 votes for and 397,103 withheld, and Zeitler received 12,323,119 for and 411,581 withheld. Each director election had 7,278,620 broker non-votes.
Stockholders also approved the ratification of RSM US LLP as the independent registered public accounting firm, with 19,552,321 votes for, 411,581 against, and 38,542 abstentions. In an advisory, non-binding vote, stockholders approved the Company’s executive compensation with 11,949,173 votes for, 637,014 against, 187,055 abstentions, and 7,278,620 broker non-votes.
BAILEY DOUGLAS G reported acquisition or exercise transactions in this Form 4 filing.
FUEL TECH, INC. director Douglas G. Bailey received a grant of 15,000 Restricted Stock Units (RSUs), each representing a contingent right to one share of Fuel Tech common stock. The grant was approved by the non-employee directors of the Compensation Committee on June 3, 2026.
The RSUs vest on the one-year anniversary of the June 4, 2026 transaction date, meaning Bailey must remain eligible through that period to receive the underlying 15,000 common shares. Following this grant, he holds 15,000 RSUs directly as reported in this filing.
Jones Sharon L reported acquisition or exercise transactions in this Form 4 filing.
Fuel Tech, Inc. director Sharon L. Jones received a grant of 15,000 Restricted Stock Units as equity compensation. Each unit represents a contingent right to receive one share of Fuel Tech common stock. The RSUs were approved by non-employee directors on June 3, 2026 and vest one year after the June 4, 2026 grant date.