FUEL TECH, INC. — SC 13G/A Filings
22 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by FUEL TECH, INC. (FTEK), sorted by most recent first. Each row links to the full filing on EdgarLookup. FUEL TECH, INC. has filed 22 SC 13G/A documents with the SEC since 2002. To view all SEC filings by FUEL TECH, INC., see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B3
5
5/A
8-A12B
8-K
8-K/A
ARS
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DEFR14A
EFFECT
NT 10-K
PRE 14A
S-3
S-3/A
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | GRACE & WHITE, INC 13G FTEK 12/31/23 | 0000903064-24-000003 | Feb 5, 2024 | — |
| SC 13G/A | GRACE & WHITE, INC 13G FTEK | 0000903064-23-000003 | Jan 27, 2023 | — |
| SC 13G/A | — | 0001037389-22-000046 | Feb 10, 2022 | — |
| SC 13G/A | GRACE & WHITE, INC 13G/A FTEK | 0000903064-20-000014 | Dec 7, 2020 | — |
| SC 13G/A | GRACE & WHITE, INC. FTEK 13G/A 12/31/19 | 0000903064-20-000006 | Feb 3, 2020 | — |
| SC 13G/A | GRACE & WHITE, INC. 13G FTEK 12/31/18 | 0000903064-19-000005 | Jan 28, 2019 | — |
| SC 13G/A | FUEL TECH, INC. 12312011 | 0000914208-12-000208 | Feb 13, 2012 | — |
| SC 13G/A | FUEL TECH, INC. | 0000914208-11-000070 | Feb 10, 2011 | — |
| SC 13G/A | SCHEDULE 13G/A | 0000950123-10-006334 | Jan 29, 2010 | — |
| SC 13G/A | AMENDMENT TO SCHEDULE 13G | 0000950134-09-002896 | Feb 17, 2009 | — |
| SC 13G/A | SCHEDULE 13G | 0001362310-09-000277 | Jan 9, 2009 | — |
| SC 13G/A | DOC ONE | 0000315066-08-004555 | Dec 10, 2008 | — |
| SC 13G/A | TERMINATIION | 0000948046-08-000151 | Mar 6, 2008 | — |
| SC 13G/A | DOC ONE | 0000315066-08-001650 | Feb 14, 2008 | — |
| SC 13G/A | DOC ONE | 0000315066-07-003008 | Jun 11, 2007 | — |
| SC 13G/A | DOC ONE | 0000315066-07-002578 | Apr 10, 2007 | — |
| SC 13G/A | DOC ONE | 0000315066-07-001792 | Feb 14, 2007 | — |
| SC 13G/A | — | 0000919574-07-000737 | Feb 13, 2007 | — |
| SC 13G/A | FUEL-TECH N.V. | 0000902664-06-000402 | Feb 9, 2006 | — |
| SC 13G/A | FUEL-TECH N.V. | 0000937394-05-000107 | Sep 7, 2005 | — |
| SC 13G/A | FUEL-TECH N.V. | 0000902664-05-000532 | Feb 14, 2005 | — |
| SC 13G/A | FUEL-TECH N.V. | 0000902664-04-000625 | Mar 8, 2004 | — |