Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:f747f15a-85df-9f5f-42f2-e1c7c13b9100 2026-05-12T21:11:00-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services BCHT: MIOSKA MICHAEL DAVID (CFO) Filed a Form 3, Becoming a Registered Insider at BIRCHTECH CORP With Initial Holdings of 0 urn:uuid:78f95fc7-e23a-21c2-8d32-d43d4d20ba58 2026-05-06T17:47:44-04:00 BCHT: MACPHERSON RICHARD (PR,CEO,DIR,BO) Bought (JB*) 312,500 Shares of BIRCHTECH CORP for $2.40 on 2/27 urn:uuid:184b23a8-d87c-664d-e0ae-b76555723db4 2026-03-02T08:39:30-05:00 BCHT: KAYE DAVID M (DIR) Acquired (JB) 250k Shares of BIRCHTECH CORP for $0.58 on 12/12 urn:uuid:f1e45a29-3d50-7d69-1f47-9c196788d190 2025-12-15T21:32:04-05:00 BCHT: KAYE DAVID M (DIR) Disposed (JS) 155,214 Shares of BIRCHTECH CORP for $0.93 on 12/12 urn:uuid:9d895575-f6b3-ca0f-8acf-b41a2506b7f5 2025-12-15T21:32:04-05:00 BCHT: MACPHERSON RICHARD (PR,CEO,DIR,BO) Acquired (JB) 500k Shares of BIRCHTECH CORP for $0.58 on 12/12 urn:uuid:c6715afc-008a-7421-e872-b9b4e5266c5b 2025-12-15T21:23:09-05:00 BCHT: MACPHERSON RICHARD (PR,CEO,DIR,BO) Disposed (JS) 310,427 Shares of BIRCHTECH CORP for $0.93 on 12/12 urn:uuid:00ff6571-9dc6-f723-6e49-f605bd278506 2025-12-15T21:23:09-05:00