Last 12 months
Inside the activity.
2 purchase rows · 0 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 1 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 1 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| September 01, 2017 Filed Sep 6, 2017 20:34 UTC |
Collins David SSr. Vice President
|
SaleCommon Stock | 79,998 | $0.79 | $63,278.42 |
DisclosureSEC source: 0000846913-17-000075 · wf-form4_150473006682151.xml · nonDerivative · entry 1 Collins David S · CIK 0001497600 · Sr. Vice President 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 F1 · price: The price reported in Column 4 is a weighted average share price. The shares were sold in multiple transactions at prices ranging from $0.704 to $0.903, inclusive. The reporting person undertakes to provide to any security holder of Fuel Tech, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Read SEC document |
| August 31, 2017 Filed Sep 5, 2017 20:31 UTC |
Markowsky James JDirector
|
PurchaseCommon | 81 | $0.93 | $75.25 |
DisclosureSEC source: 0000846913-17-000071 · wf-form4_150464348414442.xml · nonDerivative · entry 3 Markowsky James J · CIK 0001698347 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 10,000 Read SEC document |
| August 31, 2017 Filed Sep 5, 2017 20:31 UTC |
Markowsky James JDirector
|
PurchaseCommon | 3,981 | $0.94 | $3,740.55 |
DisclosureSEC source: 0000846913-17-000071 · wf-form4_150464348414442.xml · nonDerivative · entry 2 Markowsky James J · CIK 0001698347 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 9,919 Read SEC document |
| August 31, 2017 Filed Sep 5, 2017 20:31 UTC |
Markowsky James JDirector
|
PurchaseCommon | 5,938 | $0.94 | $5,581.72 |
DisclosureSEC source: 0000846913-17-000071 · wf-form4_150464348414442.xml · nonDerivative · entry 1 Markowsky James J · CIK 0001698347 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 5,938 Read SEC document |
| August 27, 2017 Filed Mar 26, 2018 17:15 UTC |
BAILEY BETTYE J10% owner
|
OtherCommon Stock | 32,028 | $0.00 | $0.00 |
DisclosureSEC source: 0001472375-18-000026 · primary_doc.xml · nonDerivative · entry 1 BAILEY BETTYE J · CIK 0001671745 · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 2,961,384 F1 · price: Transfer by inheritance of 32,028 shares from a marital trust that were formerly owned by the Estate of Ralph E. Bailey, the deceased husband of Mrs. Bailey. Read SEC document |
| June 28, 2017 Filed Jun 29, 2017 20:54 UTC |
Collins David SSr. Vice President
|
Tax withholdingCommon Stock | 7,011 | $0.83 | $5,819.13 |
DisclosureSEC source: 0000846913-17-000043 · wf-form4_149876966925187.xml · nonDerivative · entry 1 Collins David S · CIK 0001497600 · Sr. Vice President 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 79,999 Read SEC document |
| June 28, 2017 Filed Jun 30, 2017 20:21 UTC |
BAILEY DOUGLAS GDirector · Executive Chairman
|
Tax withholdingCommon Stock | 7,769 | $0.83 | $6,448.27 |
DisclosureSEC source: 0000846913-17-000045 · wf-form4_149885408741626.xml · nonDerivative · entry 1 BAILEY DOUGLAS G · CIK 0001246268 · Director · Executive Chairman 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,873,069 Read SEC document |
| April 26, 2017 Filed Apr 27, 2017 21:06 UTC |
Collins David SSr. Vice President
|
Tax withholdingCommon Stock | 2,228 | $0.92 | $2,038.62 |
DisclosureSEC source: 0000846913-17-000029 · wf-form4_149332718264000.xml · nonDerivative · entry 1 Collins David S · CIK 0001497600 · Sr. Vice President 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 87,010 Read SEC document |
| March 27, 2017 Filed Mar 28, 2017 18:56 UTC |
BAILEY BETTYE J10% owner
|
GiftCommon Stock | 647,134 | $0.00 | $0.00 |
DisclosureSEC source: 0001214659-17-002184 · marketforms-38458.xml · nonDerivative · entry 1 BAILEY BETTYE J · CIK 0001671745 · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 2,929,356 F1 · acquired: Transfer in satisfaction of the annuity obligation pursuant to the terms of the Bettye J. Bailey GRAT A-2015 u/a/d March 27, 2015 (the "GRAT"). As a result of this transfer, the GRAT no longer owns any shares of the issuer. F2 · balance_after: Includes 10,000 shares previously owned jointly with her spouse, Mr. Bailey. Mr. Bailey is deceased and the shares are now owned solely by Mrs. Bailey. F3 · balance_after: Mrs. Bailey previously reported indirect beneficial ownership of 1,399,617 shares that were owned by Mr. Bailey and 245,000 shares that were owned by a family trust over which Mr. Bailey held power of substitution. Mr. Bailey is deceased and the shares are now owned by his estate and the family trust, respectively. Mrs. Bailey currently has no beneficial ownership interest in these shares and therefore the shares have been removed from Mrs. Bailey's Form 4. Read SEC document |
| March 15, 2017 Filed Mar 17, 2017 20:31 UTC |
Collins David SSr. Vice President
|
Tax withholdingCommon Stock | 2,376 | $1.15 | $2,732.40 |
DisclosureSEC source: 0000846913-17-000027 · wf-form4_148978269763546.xml · nonDerivative · entry 1 Collins David S · CIK 0001497600 · Sr. Vice President 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 89,238 Read SEC document |
| March 12, 2017 Filed Mar 13, 2017 20:59 UTC |
Collins David SSr. Vice President
|
Tax withholdingCommon Stock | 2,175 | $1.15 | $2,501.25 |
DisclosureSEC source: 0000846913-17-000020 · wf-form4_148943877640677.xml · nonDerivative · entry 1 Collins David S · CIK 0001497600 · Sr. Vice President 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 91,614 Read SEC document |
| February 22, 2017 Filed Feb 23, 2017 22:47 UTC |
ARNONE VINCENT JDirector · President & CEO
|
GrantCommon Stock | 22,500 | $0.00 | $0.00 |
DisclosureSEC source: 0000846913-17-000016 · wf-form4_148789005948948.xml · nonDerivative · entry 1 ARNONE VINCENT J · CIK 0001272727 · Director · President & CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 272,740 Read SEC document |
| February 22, 2017 Filed Feb 23, 2017 22:24 UTC |
Collins David SSr. Vice President
|
Tax withholdingCommon Stock | 2,912 | $1.18 | $3,436.16 |
DisclosureSEC source: 0000846913-17-000014 · wf-form4_148788865943846.xml · nonDerivative · entry 2 Collins David S · CIK 0001497600 · Sr. Vice President 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 93,789 Read SEC document |
| February 22, 2017 Filed Feb 23, 2017 22:24 UTC |
Collins David SSr. Vice President
|
GrantCommon Stock | 12,000 | $0.00 | $0.00 |
DisclosureSEC source: 0000846913-17-000014 · wf-form4_148788865943846.xml · nonDerivative · entry 1 Collins David S · CIK 0001497600 · Sr. Vice President 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 96,701 Read SEC document |
| February 22, 2017 Filed Feb 24, 2017 21:42 UTC |
BAILEY DOUGLAS GDirector · Executive Chairman
|
GrantCommon Stock | 12,000 | $0.00 | $0.00 |
DisclosureSEC source: 0000846913-17-000018 · wf-form4_148797254285612.xml · nonDerivative · entry 1 BAILEY DOUGLAS G · CIK 0001246268 · Director · Executive Chairman 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,880,838 Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.