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BCS

Current Report · Items 5.08, 8.01, 9.01 · 8-K

Birchtech Corp.

Shareholder Director Nominations · Other Events

Item 5.08 Shareholder Director Nominations. To the extent applicable, the information in Item 8.01 of this Current Report on Form 8-K is incorporated by reference into this Item 5.08.

Filed Apr 13, 2026Accepted Apr 13, 2026, 4:15 PM EDTCIK 728385Accession 0001477932-26-002165
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Company context

We are a provider of specialty activated carbon technologies, delivering innovative solutions for air and water purification. We provide patented and proprietary technologies for mercury emissions capture to the coal-fired utility sector, and are developing disruptive water purification technologies with a specialization on forever chemicals such as PFAS and PFOS.

Current securities

Historical securities (5)

Recent company filings

  1. 10-Q filingAug 13, 2026
  2. Material Modification to Rights of Security Holders · Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year · Submission of Matters to a Vote of Security HoldersJul 28, 2026
  3. DEF 14A filingJun 24, 2026
  4. ARS filingJun 24, 2026
  5. PRE 14A filingJun 8, 2026

Registered securities in this filing

BIRCHTECH CORP. · 8-K · Filed 2026-04-13

As filed in this accession. Current/historical status below comes from the governed listing record; the cover itself remains exact to this filing.

Common Stock, par value $0.001 per share

Symbol
BCHT
Exchange
NYSE
Classification
COMMON
Filing context

Context: From2026-04-10to2026-04-10

Dimensions: Not supplied

Accession 000147793226002165 · 1 registered-security cover member

Read the exact SEC filing ↗

Disclosure sections

Items 5.08, 8.01, 9.01

Select an item to read the extracted section. The as-filed document remains the primary evidence.

Item 5.08Item 5.08 - Shareholder Nominations
Item 5.08 Shareholder Director Nominations. To the extent applicable, the information in Item 8.01 of this Current Report on Form 8-K is incorporated by reference into this Item 5.08.
Item 8.01Item 8.01 - Other Events
Item 8.01 Other Events. On April 10, 2026, the Board of Directors of Birchtech Corp. (the “Company”) determined that the date of its 2026 Annual Meeting of Stockholders (the “2026 Annual Meeting”) will be Thursday, July 23, 2026. The 2026 Annual Meeting will be a virtual-only meeting conducted via remote communications. Additional details regarding the exact time, location and matters to be voted on at the 2026 Annual Meeting will be provided in the Company’s proxy statement for the 2026 Annual Meeting. Because the Company did not hold an annual meeting in 2025, pursuant to Rule 14a-8 of the Securities Exchange Act of 1934 (the “Exchange Act”), stockholders of the Company who wish to have a proposal considered for inclusion in the Company’s proxy materials for the 2026 Annual Meeting must ensure that such proposal is received by the Company at its principal place of business located at 1810 Jester Drive, Corsicana, Texas 75109, Attention: Secretary, on or before the close of business on May 26, 2026, which the Company believes is a reasonable time before it begins to print and send its proxy materials. Any such proposal must also meet the requirements set forth in the rules and regulations of the Securities and Exchange Commission in order to be eligible for inclusion in the proxy materials for the 2026 Annual Meeting and must comply with the advance notice provisions contained in the Company’s amended and restated bylaws. Additionally, a stockholder intending to submit a proposal outside the processes of Rule 14a-8 of the Exchange Act or to nominate persons for election to serve as a director of the Company, in each case in connection with the 2026 Annual Meeting, to be considered timely, must provide written notice of such proposal or nomination to the Company’s Secretary at the address set forth above not later than the close of business on May 26, 2026. Such proposals or nominations must comply with the advance notice provisions contained in the Company’s amended and restated bylaws.

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