Fuel Tech (NASDAQ: FTEK) director awarded 15,000 Restricted Stock Units as stock compensation

Rhea-AI Filing Summary

ZEITLER DENNIS L reported acquisition or exercise transactions in this Form 4 filing.

Fuel Tech, Inc. director Dennis L. Zeitler received a grant of 15,000 Restricted Stock Units (RSUs). Each RSU represents the right to receive one share of Fuel Tech common stock, giving him 15,000 underlying shares tied to this award.

The RSUs were approved by the non-employee directors of the Compensation Committee on June 3, 2026 and were granted effective June 4, 2026. They vest in full on the one-year anniversary of the grant date, providing stock-based compensation that does not require any cash payment by the director.

Insights

Equity Compensation Analyst

Director received a routine 15,000-unit RSU compensation grant.

Dennis L. Zeitler, a director of Fuel Tech, Inc., was awarded 15,000 Restricted Stock Units as stock-based compensation. The grant carries a conversion ratio of one share of common stock per RSU and a stated price of $0.0000 per unit, indicating no purchase outlay.

The award was approved by the non-employee directors on the Compensation Committee on June 3, 2026, with the grant dated June 4, 2026. The RSUs vest on the one-year anniversary of the transaction date, so the full 15,000 units are contingent on continued service through that date.

Following the grant, Zeitler’s reported holdings for this RSU award total 15,000 units, and no sales, exercises, or tax withholdings are shown in this filing. This is a standard compensation-related acquisition rather than an open-market buy or sell, and its impact is primarily in aligning director incentives with shareholders.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider ZEITLER DENNIS L

Role null

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	15,000	$0.00	--

Holdings After Transaction: Restricted Stock Units — 15,000 shares (Direct, null)

Footnotes (1)

1. Each Restricted Stock Unit represents a contingent right to receive one stock of FTEK Common Stock. The grant of the Restricted Stock Units was approved by the non-employee directors of the Compensation Committee of Fuel Tech, Inc. on June 3, 2026. The Restricted Stock Units vest on the one-year anniversary after the transaction date shown above.

Key Figures

RSUs granted: 15,000 units RSU price: $0.0000 per unit Underlying shares: 15,000 shares +3 more

6 metrics

RSUs granted 15,000 units Restricted Stock Units granted June 4, 2026

RSU price $0.0000 per unit Stated transaction price for RSU grant

Underlying shares 15,000 shares Common stock underlying the RSUs

Post-grant RSU holdings 15,000 units Total RSUs following this transaction

Vesting schedule One year RSUs vest one year after June 4, 2026

Transaction code A Grant, award, or other acquisition

Key Terms

Restricted Stock Units, Compensation Committee, vest

3 terms

Restricted Stock Units financial

"Each Restricted Stock Unit represents a contingent right to receive one stock of FTEK Common Stock."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Compensation Committee financial

"The grant of the Restricted Stock Units was approved by the non-employee directors of the Compensation Committee of Fuel Tech, Inc."

A compensation committee is a group within a company's leadership responsible for setting and reviewing how much top executives and employees are paid, including salaries, bonuses, and benefits. It matters to investors because fair and effective pay decisions can influence a company's performance, leadership motivation, and overall governance, helping ensure that the company’s management is aligned with shareholders’ interests.

vest financial

"The Restricted Stock Units vest on the one-year anniversary after the transaction date shown above."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

ZEITLER DENNIS L

(Last) (First) (Middle)

C/O FUEL TECH

27601 BELLA VISTA PARKWAY

(Street)

WARRENVILLE ILLINOIS 60555

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
FUEL TECH, INC. [ FTEK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	06/04/2026		A		15,000		(2)	(2)	Common Stock	15,000	$0	15,000	D

Explanation of Responses:

1. Each Restricted Stock Unit represents a contingent right to receive one stock of FTEK Common Stock. The grant of the Restricted Stock Units was approved by the non-employee directors of the Compensation Committee of Fuel Tech, Inc. on June 3, 2026.

2. The Restricted Stock Units vest on the one-year anniversary after the transaction date shown above.

	/s/ Dennis L Zeitler	06/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Fuel Tech (FTEK) report for Dennis L. Zeitler?

Fuel Tech reported that director Dennis L. Zeitler received a grant of 15,000 Restricted Stock Units. Each unit represents a contingent right to one share of common stock, providing stock-based compensation without requiring him to purchase shares in the market.

How many Restricted Stock Units were granted to the Fuel Tech (FTEK) director?

Dennis L. Zeitler was granted 15,000 Restricted Stock Units tied to Fuel Tech common stock. After this award, the filing shows 15,000 RSUs held, all from this grant, reflecting a single compensation-related acquisition rather than multiple separate transactions.

When do Dennis L. Zeitler’s Fuel Tech (FTEK) Restricted Stock Units vest?

The Restricted Stock Units vest on the one-year anniversary after the June 4, 2026 transaction date. This means the full 15,000 units become deliverable as common stock only after that one-year period, contingent on satisfying the vesting conditions described.

Who approved the Fuel Tech (FTEK) Restricted Stock Unit grant to Dennis L. Zeitler?

The grant of Restricted Stock Units to Dennis L. Zeitler was approved by the non-employee directors of Fuel Tech’s Compensation Committee on June 3, 2026. Their approval establishes the award’s terms before the RSUs were formally granted the following day.

Does the Fuel Tech (FTEK) director pay cash for the 15,000 RSUs granted?

The filing lists a transaction price of $0.0000 per Restricted Stock Unit, indicating no cash payment by Dennis L. Zeitler for this award. Instead, the RSUs function as stock-based compensation granted by the company’s Compensation Committee.