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Schedule 13G filing
LYTTON LAURENCE W disclosed a 5.2% stake in Birchtech Corp. (BCHT)
LYTTON LAURENCE W reported owning 5.2% of Birchtech Corp. (BCHT) (1,380,513 shares) in a Schedule 13G filed Oct 5, 2026.
A 13G is a passive stake: the holder does not plan to push for changes.
From a public Schedule 13G, linked above. Not investment advice, and not a recommendation to buy or sell.