Fuel Tech, Inc.
Fuel Tech, Inc. (FTEK) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · FTEK · as of Jun 8, 2026
Activity summary
Buy transactions
2
P-Purchase only
Sell transactions
1
12 Months
Buy/Sell ratio
2.00
Buy/Sell (by trades)
Overall sentiment
Fuel Tech, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
FTEK insider buying and selling by quarter
FTEK insider selling · FTEK insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · FTEK ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
FTEK executive sell shares · FTEK board member insider trading · FTEK insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Mar 6, 2026 | ARNONE VINCENT J President & CEO · Director | Purchase | 10,000 | $12K | Form 4 |
| Jun 4, 2025 | Jones Sharon L Director | Sale | 12,627 | $21K | Form 4 |
| Mar 28, 2025 | ARNONE VINCENT J President & CEO · Director | Purchase | 15,000 | $16K | Form 4 |
| Nov 19, 2024 | Jones Sharon L Director | Purchase | 8,014.4 | $9K | Form 4 |
| Nov 18, 2024 | Jones Sharon L Director | Purchase | 9,800 | $10K | Form 4 |
| Nov 15, 2024 | Jones Sharon L Director | Purchase | 4,200 | $4K | Form 4 |
| Nov 14, 2024 | Jones Sharon L Director | Purchase | 7,200 | $7K | Form 4 |
| Nov 13, 2024 | Jones Sharon L Director | Purchase | 9,100 | $10K | Form 4 |
| Nov 12, 2024 | Jones Sharon L Director | Purchase | 9,500 | $10K | Form 4 |
| Sep 12, 2024 | Albrecht Ellen T CFO | Purchase | 5,000 | $5K | Form 4 |
| Sep 12, 2024 | ARNONE VINCENT J President & CEO · Director | Purchase | 20,000 | $20K | Form 4 |
| Aug 28, 2024 | Jones Sharon L Director | Purchase | 3,293 | $3K | Form 4 |
| Aug 12, 2024 | Jones Sharon L Director | Purchase | 447.165 | $449 | Form 4 |
| Aug 9, 2024 | ARNONE VINCENT J President & CEO · Director | Purchase | 20,000 | $21K | Form 4 |
| Aug 11, 2023 | ARNONE VINCENT J President & CEO · Director | Purchase | 15,000 | $18K | Form 4 |
| May 17, 2022 | ARNONE VINCENT J President & CEO | Purchase | 20,000 | $24K | Form 4 |
| Dec 31, 2020 | BAILEY BETTYE J 10 percent owner | Sale | 42,711 | $171K | Form 4 |
| Dec 23, 2020 | ZEITLER DENNIS L Director | Option | 27,000 | $43K | Form 4 |
| Dec 23, 2020 | ZEITLER DENNIS L Director | Option | 44,000 | $42K | Form 4 |
| Dec 23, 2020 | ZEITLER DENNIS L Director | Sale | 71,000 | $349K | Form 4 |
| Dec 22, 2020 | ARNONE VINCENT J President & CEO · Director | Sale | 125,000 | $531K | Form 4 |
| Dec 23, 2020 | ARNONE VINCENT J President & CEO · Director | Sale | 75,000 | $376K | Form 4 |
| Dec 22, 2020 | Albrecht Ellen T Acting PFO and Treasurer | Sale | 30,000 | $128K | Form 4 |
| Dec 23, 2020 | Albrecht Ellen T Acting PFO and Treasurer | Sale | 41,900 | $210K | Form 4 |
| Dec 2, 2020 | Markowsky James J Director | Sale | 20,000 | $69K | Form 4 |
ARNONE VINCENT J
President & CEO · Director
Date
Mar 6
Shares
10,000
Price
$1.24
Value
$12K
ARNONE VINCENT J
President & CEO · Director
Date
Mar 28
Shares
15,000
Price
$1.05
Value
$16K
ARNONE VINCENT J
President & CEO · Director
Date
Sep 12
Shares
20,000
Price
$1.02
Value
$20K
ARNONE VINCENT J
President & CEO · Director
Date
Aug 9
Shares
20,000
Price
$1.04
Value
$21K
ARNONE VINCENT J
President & CEO · Director
Date
Aug 11
Shares
15,000
Price
$1.20
Value
$18K
ARNONE VINCENT J
President & CEO
Date
May 17
Shares
20,000
Price
$1.20
Value
$24K
ARNONE VINCENT J
President & CEO · Director
Date
Dec 22
Shares
125,000
Price
$4.25
Value
$531K
ARNONE VINCENT J
President & CEO · Director
Date
Dec 23
Shares
75,000
Price
$5.01
Value
$376K
Albrecht Ellen T
Acting PFO and Treasurer
Date
Dec 22
Shares
30,000
Price
$4.26
Value
$128K
Albrecht Ellen T
Acting PFO and Treasurer
Date
Dec 23
Shares
41,900
Price
$5.00
Value
$210K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About FTEK insider trading
FTEK insider trades
Fuel Tech, Inc. (FTEK) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including ARNONE VINCENT J (President & CEO · Director). Over the past 12 months, 1 insiders have filed transactions with the SEC. FTEK insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Fuel Tech, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
FTEK insider trading · 5 questionsThe insiders of Fuel Tech, Inc. (FTEK) include executives and directors such as ARNONE VINCENT J (President & CEO · Director), among others. Over the past 12 months, 1 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026