FTEK insider buying and SEC filings, explained
Fuel Tech, Inc. · CIK 846913
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Industrial & Commercial Fans & Blowers & Air Purifing Equip
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- FUEL TECH N V
Insider activity in the last 12 months
Bought
$12K
Insiders who bought
1
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 1, 2026 | Purchase (code P) | Ramesh Nuggihalli (CEO) bought 1,471 shares at about $1.36 ($2K), reported as a purchase (code P). New position of 1,471 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 3, 2026 |
| Mar 6, 2026 | Purchase (code P) | Vincent J. Arnone (CEO and Director) bought 10,000 shares at $1.24 ($12K), reported as a purchase (code P). Holdings up 2% to 549,513 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 9, 2026 |
6 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 3, 2026, 4:31 PM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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