Preferred Stock, Shares Outstanding of Birchtech Corp. from 31 Dec 2016 to 30 Sep 2025

Taxonomy & unit
us-gaap: shares
Description
Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.
Summary
Birchtech Corp. quarterly Preferred Stock, Shares Outstanding in shares history and change rate from 31 Dec 2016 to 30 Sep 2025.
  • Birchtech Corp. Preferred Stock, Shares Outstanding for the quarter ending 30 Sep 2025 was 0.
Source SEC data
View on sec.gov
Preferred Stock, Shares Outstanding, Quarterly (shares)
Preferred Stock, Shares Outstanding, YoY Quarterly Change (%)

Birchtech Corp. Quarterly Preferred Stock, Shares Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q3 2025 0 30 Sep 2025 10-Q 13 Nov 2025 2025 Q3
Q2 2025 0 30 Jun 2025 10-Q 14 Aug 2025 2025 Q2
Q1 2025 0 31 Mar 2025 10-Q 15 May 2025 2025 Q1
Q4 2024 0 0 31 Dec 2024 10-Q 13 Nov 2025 2025 Q3
Q4 2023 0 0 31 Dec 2023 10-K 31 Mar 2025 2024 FY
Q4 2022 0 31 Dec 2022 10-K 16 Apr 2024 2023 FY
Q3 2021 89,265,951 +11,518,201 +15% 30 Sep 2021 10-Q 15 Nov 2021 2021 Q3
Q2 2021 89,245,951 +11,498,201 +15% 30 Jun 2021 10-Q 16 Aug 2021 2021 Q2
Q1 2021 83,715,582 +5,967,832 +7.7% 31 Mar 2021 10-Q 17 May 2021 2021 Q1
Q4 2020 78,096,326 +1,348,576 +1.8% 31 Dec 2020 10-Q 15 Nov 2021 2021 Q3
Q3 2020 77,747,750 +1,000,000 +1.3% 30 Sep 2020 10-Q 23 Nov 2020 2020 Q3
Q2 2020 77,747,750 +1,037,120 +1.4% 30 Jun 2020 10-Q 19 Aug 2020 2020 Q2
Q1 2020 77,747,750 +1,501,637 +2% 31 Mar 2020 10-Q 06 Jul 2020 2020 Q1
Q4 2019 76,747,750 +501,637 +0.66% 31 Dec 2019 10-K 05 Apr 2021 2020 FY
Q3 2019 76,747,750 +501,637 +0.66% 30 Sep 2019 10-Q 14 Nov 2019 2019 Q3
Q2 2019 76,710,630 +464,517 +0.61% 30 Jun 2019 10-Q 14 Aug 2019 2019 Q2
Q1 2019 76,246,113 0 0% 31 Mar 2019 10-Q 15 May 2019 2019 Q1
Q4 2018 76,246,113 0 0% 31 Dec 2018 10-K 14 May 2020 2019 FY
Q3 2018 76,246,113 0 0% 30 Sep 2018 10-Q 13 Nov 2018 2018 Q3
Q2 2018 76,246,113 +151,492,226 30 Jun 2018 10-Q 14 Aug 2018 2018 Q2
Q1 2018 76,246,113 31 Mar 2018 10-Q 21 May 2018 2018 Q1
Q4 2017 76,246,113 +2,736,450 +3.7% 31 Dec 2017 10-K 11 Apr 2019 2018 FY
Q3 2017 76,246,113 30 Sep 2017 10-Q 20 Nov 2017 2017 Q3
Q2 2017 -75,246,113 30 Jun 2017 10-Q 21 Aug 2017 2017 Q2
Q4 2016 73,509,663 31 Dec 2016 10-Q 20 Nov 2017 2017 Q3
* An asterisk sign (*) next to the value indicates that the value is likely invalid.