BCHT Birchtech Corp.

CIK 0000728385 46 ready 8-Ks latest May 6, 2026, 7:59 PM ET RSS · JSON

Activity: QUIET 0 filings / 30d vs 1 baseline Risk accumulating: repeated leadership change (4)

Ready 8-Ks 46

Latest filing May 12, 2026, 4:16 PM ET

Top materiality 0.85

Event mix other_material ×18 · leadership ×9 · litigation ×6

Sentiment 12 pos · 5 neg · 29 neu

Latest earnings reported 2023-FY

Executive change recent →

SHENANIGAN SCORE 1 / 7 see the board

Recent 8-K filings for BCHT

Highest-materiality recent filing

MEEC reports preliminary Q3 revenue at least $4.9M, up ~75% YoY; highest quarterly revenue in over 3 years

November 5, 2021, 7:59 PM ET earnings materiality 0.85 positive item 2.02 item 9.01

Preliminary Q3 2021 revenue at least $4.9M, up approx 75% YoY from $2.8M in Q3 2020.
Phase 1 REE testing with Penn State achieved 80–90% extraction efficiency for select rare earth elements.

Read filing →

May 6, 2026, 7:59 PM ET leadership materiality 0.60 neutral item 5.02 item 9.01 ◈ executive_change ×4

Birchtech appoints Michael Mioska as CFO; CEO & COO contracts extended with retention bonuses

CFO Fiona Fitzmaurice departed May 1, 2026; Michael Mioska appointed CFO effective same day.
February 27, 2026, 6:59 PM ET other material materiality 0.60 neutral item 1.01 item 8.01 item 9.01 ◈ Material Agreements

Birchtech prices $15M public offering of 6.25M shares at $2.40; uplists to NYSE American

Gross proceeds of $15M from 6.25M shares at $2.40; net proceeds ~$13.1M (or $15.2M if overallotment exercised).
January 5, 2026, 6:59 PM ET litigation materiality 0.75 positive item 8.01 item 9.01

Birchtech wins $78.4M patent-infringement judgment against CERT defendants

Final judgment entered Dec. 29, 2025 in U.S. District Court for Delaware awarding $78,397,157 including pre-judgment interest.
March 31, 2025, 7:59 PM ET other material materiality 0.75 negative item 4.02 item 9.01 ◈ Auditor Changes

Birchtech restates 2022-2024 financials due to revenue recognition error; no cash impact

Company will restate audited FY2022, FY2023, and interim 2023/2024 financials for under-recognized license revenue.
March 4, 2025, 6:59 PM ET earnings materiality 0.65 positive item 2.02 item 9.01

Birchtech guides FY2025 revenue at least $23M, up 31% YoY from prelim $17.5M in FY2024

Preliminary unaudited FY2024 revenue at least $17.5 million.
March 5, 2024, 6:59 PM ET litigation materiality 0.75 positive item 8.01 item 9.01

ME2C awarded $57M patent verdict against CERT defendants in Delaware

Federal jury awarded $57 million against CERT Operations II, IV, V, LLC and CERT Operations RCB LLC.
March 4, 2024, 6:59 PM ET debt materiality 0.65 neutral item 1.01 item 2.03 item 9.01 ◈ Material Agreements ×2

Midwest Energy Emissions restructures $13.15M debt, issues $4.11M new note, cuts profit share

Paid $9.04M to reduce unsecured note principal; issued new $4.11M note due Aug 27, 2024 at SOFR+2%.
January 4, 2024, 6:59 PM ET litigation materiality 0.65 positive item 8.01 item 9.01

MEEC settles patent litigation with Chem-Mod, Gallagher, DTE under paid license

Entered paid license of five U.S. patents (Nos. 8,168,147, 10,343,114, 10,589,225, 10,596,517, 10,668,430) with Chem-Mod, Gallagher, and DTE.
October 16, 2023, 7:59 PM ET leadership materiality 0.65 negative item 5.02 item 9.01 ◈ executive_change

CFO Greg Powell resigns effective immediately; replacement search underway

Greg Powell resigned as CFO of Midwest Energy Emissions Corp. effective October 10, 2023.
February 3, 2023, 6:59 PM ET other material materiality 0.60 neutral item 1.01 item 9.01 ◈ Material Agreements

Midwest Energy enters license & supply deal with CEO-owned Dakin for emissions technology

ME2C receives exclusive U.S. license and limited manufacturing license for Dakin's boiler combustion IP.
January 18, 2023, 6:59 PM ET earnings materiality 0.75 positive item 2.02 item 9.01 ◈ Earnings Releases

ME2C Environmental reports preliminary 2022 revenue of $21.6M, up 66% YoY; expects 50%+ growth in 2023

Preliminary unaudited revenue for FY2022 of $21.6M, exceeding prior guidance, 66% growth over 2021.
December 7, 2022, 6:59 PM ET leadership materiality 0.60 negative item 5.02 item 9.01 ◈ executive_change

Midwest Energy Emissions CFO Jami Satterthwaite resigns effective Dec 30, 2022

CFO Jami L. Satterthwaite submitted resignation effective Dec 30, 2022 for personal reasons.
November 2, 2022, 7:59 PM ET debt materiality 0.75 negative item 1.01 item 1.02 item 2.03 item 9.01 ◈ Material Agreements ×4

Midwest Energy Emissions extends $13.2M note maturity to 2025, increases profit share by $4.5M

Unsecured note maturity extended from Oct 31, 2022 to Aug 25, 2025; principal outstanding $13,154,931.
September 30, 2022, 7:59 PM ET debt materiality 0.60 neutral item 1.01 item 2.03 item 9.01

Midwest Energy Emissions extends debt maturity to Oct 31, 2022 with lender AC Midwest

AC Midwest Energy LLC agreed to further extend maturity date on secured and unsecured debt from Sept 30 to Oct 31, 2022.
August 31, 2022, 7:59 PM ET debt materiality 0.65 neutral item 1.01 item 2.03 item 9.01

Midwest Energy Emissions extends debt maturity from Aug 25 to Sep 30, 2022

AC Midwest Energy LLC extended maturity of outstanding secured and unsecured debt from August 25, 2022 to September 30, 2022.
March 10, 2022, 6:59 PM ET other material materiality 0.60 positive item 2.02 item 9.01

ME 2 C forecasts 2022 revenue of $20–22M, up ~60% YoY; 2021 preliminary rev $13M

Preliminary unaudited 2021 revenue ~$13.0M, vs $8.2M in 2020.
February 17, 2022, 6:59 PM ET earnings materiality 0.70 positive item 2.02 item 9.01

MEEC reports preliminary 2021 revenue of $13.0M; guides 2022 revenue up at least 60%

Preliminary 2021 revenue $13.0M compared to $8.2M in 2020, a 58.5% increase.
November 5, 2021, 7:59 PM ET earnings materiality 0.85 positive item 2.02 item 9.01

MEEC reports preliminary Q3 revenue at least $4.9M, up ~75% YoY; highest quarterly revenue in over 3 years

Preliminary Q3 2021 revenue at least $4.9M, up approx 75% YoY from $2.8M in Q3 2020.
October 5, 2021, 7:59 PM ET litigation materiality 0.70 positive item 7.01 item 9.01

Midwest Energy Emissions patent suit vs refined coal entities advances; trial set Sep 2023

Lawsuit filed July 2019 against 43 defendants for patent infringement; 16 refined coal defendants remain; discovery ongoing.

Executive changes

Departed

Fiona Fitzmaurice

Chief Financial Officer

BCHT · Birchtech Corp.

Effective: 2026-05-01
Successor: Michael Mioska
Filed: May 6, 2026, 7:59 PM ET

On May 1, 2026, Fiona Fitzmaurice ceased serving as Chief Financial Officer of Birchtech Corp.

Role change

James Trettel

Executive Vice President of Operations

BCHT · Birchtech Corp.

Effective: 2026-05-01
Filed: May 6, 2026, 7:59 PM ET

in connection with his appointment, he ceased serving as Executive Vice President of Operations.

Appointed

James Trettel

Chief Operating Officer

BCHT · Birchtech Corp.

Effective: 2026-05-01
Filed: May 6, 2026, 7:59 PM ET

on May 1, 2026, the Company appointed James Trettel as its Chief Operating Officer, and in connection with his appointment, he ceased serving as Executive Vice President of Operations.

Appointed

Michael Mioska

Chief Financial Officer

BCHT · Birchtech Corp.

Effective: 2026-05-01
Filed: May 6, 2026, 7:59 PM ET

Effective May 1, 2026, the Company appointed Michael Mioska as its Chief Financial Officer.

Departed

Christopher Greenberg

Director and Chairman of the Board

BCHT · Birchtech Corp.

Effective: 2025-07-01
Successor: Richard MacPherson
Filed: June 20, 2025, 7:59 PM ET

Christopher Greenberg submitted his resignation as a director and Chairman of the Board of Birchtech Corp. (the “Company”), effective July 1, 2025.

Appointed (interim)

Richard MacPherson

Chairman of the Board (interim)

BCHT · Birchtech Corp.

Effective: 2025-07-01
Filed: June 20, 2025, 7:59 PM ET

Richard MacPherson, President, Chief Executive Officer and a director of the Company, has been appointed Chairman of the Board on an interim basis, to be effective July 1, 2025.

Appointed

Fiona Fitzmaurice

Chief Financial Officer

BCHT · Birchtech Corp.

Effective: 2023-11-01
Filed: November 7, 2023, 6:59 PM ET

On November 1, 2023, Midwest Energy Emissions Corp. (the “Company”) appointed Fiona Fitzmaurice as Chief Financial Officer of the Company, effective immediately.

Departed

Greg Powell

Chief Financial Officer

BCHT · Birchtech Corp.

Effective: 2023-10-10
Filed: October 16, 2023, 7:59 PM ET

On October 10, 2023, Greg Powell submitted his resignation as Chief Financial Officer of Midwest Energy Emissions Corp. (the “Company”) effective immediately.

Appointed

Troy Grant

Director

BCHT · Birchtech Corp.

Effective: 2023-05-26
Filed: May 30, 2023, 7:59 PM ET

On May 26, 2023, the Board of Directors of Midwest Energy Emissions Corp. (the “Company”) approved the increase in the size of the Board from three to four members and appointed Troy Grant to the Board effective immediately.

Appointed

Greg Powell

Chief Financial Officer

BCHT · Birchtech Corp.

Effective: 2023-03-01
Filed: February 15, 2023, 6:59 PM ET

On February 10, 2023, Midwest Energy Emissions Corp. (the “Company”) appointed Greg Powell as Chief Financial Officer of the Company, effective March 1, 2023.

Departed

Jami L. Satterthwaite

Chief Financial Officer

BCHT · Birchtech Corp.

Effective: 2022-12-30
Filed: December 7, 2022, 6:59 PM ET

On December 1, 2022, Jami L. Satterthwaite submitted her resignation as Chief Financial Officer of Midwest Energy Emissions Corp. (the “Company”), to be effective as of December 30, 2022.

Earnings & guidance

2023-FY EPS reported -$0.02 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.50 · Most common event other_material

12 positive 5 negative 29 neutral

source · BCHT on sec.gov