Schedule 13G filing

GRACE & WHITE INC /NY cut its Fuel Tech, Inc. (FTEK) stake below 5%

Schedule 13G · Filed Oct 7, 2026

GRACE & WHITE INC /NY reported owning 4.9% of Fuel Tech, Inc. (FTEK) (1,541,307 shares) in a Schedule 13G filed Oct 7, 2026.

A 13G is a passive stake: the holder does not plan to push for changes.

Exited

Fuel Tech, Inc.

Stake

4.9% stake

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From a public Schedule 13G, linked above. Not investment advice, and not a recommendation to buy or sell.