Grantham Allan T (CIK 0001676619)

Latest company ownership

BCHT - Birchtech Corp.
Role: Director
Shares held
1,128,445
Last filed at
Jun 6, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Aug 25, 2017 Aug 29, 2017 Birchtech Corp. Director Buy 60.0 +5,000 0.45% ✗ $1.9K