SEC Filings for Fusion Fuel Green PLC (HTOO)

Last updated: 2026-03-30 13:15 UTC | Total filings: 303

Browse the latest SEC filings and forms submitted by Fusion Fuel Green PLC (HTOO). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
6-K/A March 30, 2026 6-K/A View Document
6-K March 25, 2026 6-K View Document
424B3 March 24, 2026 424B3 View Document
6-K March 23, 2026 6-K View Document
EFFECT March 23, 2026 - View Document
F-3 March 18, 2026 F-3 View Document
3 March 18, 2026 3 View Document
3 March 18, 2026 3 View Document
3 March 18, 2026 3 View Document
3 March 18, 2026 3 View Document
3/A March 18, 2026 3/A View Document
3 March 18, 2026 3 View Document
6-K March 17, 2026 6-K View Document
6-K March 11, 2026 6-K View Document
6-K March 5, 2026 6-K View Document
D Feb. 26, 2026 - View Document
6-K/A Feb. 18, 2026 6-K/A View Document
6-K Feb. 18, 2026 6-K View Document
6-K Feb. 18, 2026 6-K View Document
SCHEDULE 13G Feb. 13, 2026 - View Document
424B3 Feb. 12, 2026 424B3 View Document
EFFECT Feb. 11, 2026 - View Document
F-3 Feb. 6, 2026 F-3 View Document
15-12G Jan. 30, 2026 15-12G View Document
6-K Jan. 8, 2026 6-K View Document
SCHEDULE 13G/A Dec. 30, 2025 - View Document
6-K Dec. 29, 2025 6-K View Document
SCHEDULE 13G Dec. 18, 2025 - View Document
EFFECT Dec. 12, 2025 - View Document
25-NSE Dec. 10, 2025 - View Document
6-K Dec. 5, 2025 6-K View Document
SCHEDULE 13D Dec. 4, 2025 - View Document
4 Dec. 4, 2025 - View Document
SCHEDULE 13D/A Dec. 4, 2025 - View Document
SCHEDULE 13D Dec. 4, 2025 - View Document
6-K Dec. 3, 2025 6-K View Document
6-K Nov. 28, 2025 6-K View Document
6-K Nov. 25, 2025 6-K View Document
F-3/A Nov. 21, 2025 F-3/A View Document
S-8 Nov. 21, 2025 S-8 View Document
6-K Nov. 7, 2025 6-K View Document
6-K Nov. 4, 2025 6-K View Document
4 Oct. 29, 2025 - View Document
SCHEDULE 13D/A Oct. 29, 2025 - View Document
6-K Oct. 16, 2025 6-K View Document
6-K Oct. 15, 2025 6-K View Document
6-K Oct. 14, 2025 6-K View Document
6-K Oct. 9, 2025 6-K View Document
4 Oct. 7, 2025 4 View Document
4 Oct. 7, 2025 4 View Document
4 Oct. 3, 2025 4 View Document
SCHEDULE 13G Sept. 29, 2025 - View Document
4 Sept. 29, 2025 - View Document
4 Sept. 26, 2025 4 View Document
6-K Sept. 25, 2025 6-K View Document
4 Sept. 24, 2025 4 View Document
4 Sept. 19, 2025 4 View Document
4 Sept. 19, 2025 4 View Document
4 Sept. 19, 2025 4 View Document
4 Sept. 19, 2025 4 View Document
6-K Sept. 17, 2025 6-K View Document
6-K Sept. 15, 2025 6-K View Document
6-K Sept. 10, 2025 6-K View Document
6-K Sept. 10, 2025 6-K View Document
6-K/A Sept. 10, 2025 6-K/A View Document
6-K Sept. 8, 2025 6-K View Document
6-K Sept. 2, 2025 6-K View Document
6-K Aug. 27, 2025 6-K View Document
424B3 Aug. 15, 2025 424B3 View Document
EFFECT Aug. 14, 2025 - View Document
UPLOAD Aug. 12, 2025 - View Document
CORRESP Aug. 12, 2025 - View Document
6-K Aug. 11, 2025 6-K View Document
F-3 Aug. 8, 2025 F-3 View Document
6-K Aug. 6, 2025 6-K View Document
SCHEDULE 13D/A Aug. 5, 2025 - View Document
4 Aug. 5, 2025 - View Document
424B3 Aug. 5, 2025 424B3 View Document
6-K Aug. 5, 2025 6-K View Document
6-K July 30, 2025 6-K View Document
6-K July 28, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
424B5 July 28, 2025 PROSPECTUS SUPPLEMENT View Document
4 July 25, 2025 - View Document
D July 25, 2025 - View Document
6-K July 25, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
D July 24, 2025 - View Document
6-K July 23, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K July 23, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K July 23, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K July 22, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
4 July 17, 2025 - View Document
6-K July 17, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K July 16, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K July 10, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
4 July 8, 2025 - View Document
4 July 8, 2025 - View Document
144 July 3, 2025 - View Document
4 July 3, 2025 - View Document
4 July 2, 2025 - View Document
4 July 2, 2025 - View Document
4 June 27, 2025 - View Document
4 June 27, 2025 - View Document
4 June 27, 2025 - View Document
6-K June 25, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
144 June 25, 2025 - View Document
4 June 25, 2025 - View Document
4 June 25, 2025 - View Document
4 June 25, 2025 - View Document
144 June 17, 2025 - View Document
424B3 June 13, 2025 PROSPECTUS View Document
424B3 June 13, 2025 PROSPECTUS View Document
EFFECT June 12, 2025 - View Document
EFFECT June 12, 2025 - View Document
CORRESP June 10, 2025 - View Document
CORRESP June 10, 2025 - View Document
6-K June 4, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K May 29, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K May 27, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
CORRESP May 23, 2025 - View Document
CORRESP May 23, 2025 - View Document
F-3/A May 23, 2025 AMENDMENT NO. 1 TO FORM F-3 View Document
F-3/A May 23, 2025 AMENDMENT NO. 1 TO FORM F-3 View Document
6-K May 22, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K May 16, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
424B5 May 16, 2025 PROSPECTUS SUPPLEMENT View Document
F-3 May 13, 2025 REGISTRATION STATEMENT View Document
6-K/A May 12, 2025 AMENDMENT NO. 2 TO FORM 6-K View Document
20-F May 9, 2025 ANNUAL REPORT View Document
NT 20-F May 1, 2025 NOTIFICATION OF LATE FILING View Document
6-K April 9, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
UPLOAD April 9, 2025 - View Document
UPLOAD April 9, 2025 - View Document
F-3 March 28, 2025 REGISTRATION STATEMENT View Document
F-3 March 28, 2025 REGISTRATION STATEMENT View Document
424B3 March 12, 2025 PROSPECTUS SUPPLEMENT View Document
6-K/A March 10, 2025 AMENDMENT NO. 1 TO FORM 6-K View Document
6-K March 4, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K March 3, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Feb. 27, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Feb. 24, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Feb. 6, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Jan. 31, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Jan. 27, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
D Jan. 22, 2025 - View Document
D Jan. 21, 2025 - View Document
6-K Jan. 14, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Jan. 13, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Jan. 13, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Jan. 13, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Jan. 13, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Jan. 3, 2025 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Dec. 26, 2024 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K Dec. 12, 2024 REPORT OF FOREIGN PRIVATE ISSUER View Document
SC 13G/A Dec. 11, 2024 SCHEDULE 13G/A View Document
3 Dec. 6, 2024 - View Document
SC 13D Dec. 6, 2024 SCHEDULE 13D View Document
3 Dec. 5, 2024 - View Document
SC 13G Dec. 3, 2024 SCHEDULE 13G View Document
6-K Nov. 27, 2024 FORM 6-K View Document
6-K Nov. 20, 2024 FORM 6-K View Document
SC 13G/A Nov. 18, 2024 SCHEDULE 13G/A View Document
6-K Nov. 12, 2024 FORM 6-K View Document
6-K Sept. 11, 2024 FORM 6-K View Document
SC 13G/A Aug. 6, 2024 SC 13G/A View Document
6-K June 5, 2024 FORM 6-K View Document
424B3 May 22, 2024 424B3 View Document
6-K/A May 15, 2024 FORM 6-K/A View Document
6-K May 14, 2024 FORM 6-K View Document
424B3 May 8, 2024 424B3 View Document
6-K May 8, 2024 FORM 6-K View Document
EFFECT May 3, 2024 - View Document
F-3/A May 1, 2024 F-3/A View Document
6-K May 1, 2024 FORM 6-K View Document
CORRESP May 1, 2024 - View Document
20-F April 30, 2024 FORM 20-F View Document
6-K March 27, 2024 FORM 6-K View Document
SC 13G March 27, 2024 SC 13G View Document
CORRESP March 26, 2024 - View Document
CORRESP March 25, 2024 - View Document
F-3/A March 22, 2024 F-3/A View Document
6-K March 20, 2024 FORM 6-K View Document
6-K March 6, 2024 FORM 6-K View Document
6-K Feb. 27, 2024 FORM 6-K View Document
UPLOAD Feb. 9, 2024 - View Document
F-3 Feb. 6, 2024 FORM F-3 View Document
6-K Jan. 16, 2024 FORM 6-K View Document
6-K Dec. 28, 2023 FORM 6-K View Document
SC 13G Dec. 18, 2023 SC 13G View Document
6-K Dec. 4, 2023 FORM 6-K View Document
6-K Nov. 27, 2023 FORM 6-K View Document
6-K Nov. 7, 2023 FORM 6-K View Document
6-K Oct. 10, 2023 FORM 6-K View Document
6-K Oct. 2, 2023 FORM 6-K View Document
6-K Sept. 19, 2023 FORM 6-K View Document
6-K Aug. 30, 2023 FORM 6-K View Document
424B5 July 10, 2023 424B5 View Document
6-K June 8, 2023 FORM 6-K View Document
6-K June 5, 2023 FORM 6-K View Document
20-F May 16, 2023 FORM 20-F View Document
NT 20-F May 1, 2023 NT 20-F View Document
6-K Feb. 28, 2023 FORM 6-K View Document
6-K Dec. 23, 2022 FORM 6-K View Document
6-K Dec. 14, 2022 FOM 6-K View Document
6-K/A Dec. 14, 2022 FORM 6-K/A View Document
6-K Dec. 14, 2022 FORM 6-K View Document
6-K Nov. 28, 2022 FORM 6-K View Document
6-K Sept. 21, 2022 FORM 6-K View Document
6-K Sept. 8, 2022 FORM 6-K View Document
6-K Sept. 1, 2022 FORM 6-K View Document
EFFECT Aug. 5, 2022 - View Document
POS AM Aug. 5, 2022 POS AM View Document
SC 13G/A Aug. 3, 2022 - View Document
POS AM July 29, 2022 POS AM View Document
424B5 June 6, 2022 424B5 View Document
6-K June 6, 2022 FORM 6-K View Document
6-K May 26, 2022 FORM 6-K View Document
6-K May 26, 2022 FORM 6-K View Document
EFFECT May 13, 2022 - View Document
CORRESP May 11, 2022 - View Document
UPLOAD May 11, 2022 - View Document
6-K May 5, 2022 FORM 6-K View Document
F-3 May 5, 2022 FORM F-3 View Document
20-F May 2, 2022 FORM 20-F View Document
SC 13D/A April 5, 2022 SC 13D/A View Document
6-K March 3, 2022 FORM 6-K View Document
424B3 March 3, 2022 424B3 View Document
6-K March 3, 2022 FORM 6-K View Document
424B3 Feb. 15, 2022 424B3 View Document
SC 13D/A Feb. 7, 2022 SCHEDULE 13D/A View Document
SC 13G/A Jan. 28, 2022 - View Document
6-K Jan. 3, 2022 FORM 6-K View Document
SC 13D/A Dec. 21, 2021 SC 13D/A View Document
6-K Dec. 14, 2021 FORM 6-K View Document
SC 13D/A Nov. 30, 2021 SC 13D/A View Document
424B3 Nov. 17, 2021 424B3 View Document
6-K Nov. 17, 2021 FORM 6-K View Document
SC 13D/A Nov. 1, 2021 SC 13D/A View Document
6-K Sept. 29, 2021 CURRENT REPORT View Document
SC 13D Sept. 29, 2021 SC 13D View Document
6-K Sept. 2, 2021 REPORT OF FOREIGN PRIVATE ISSUER View Document
SC 13G/A Aug. 27, 2021 SC 13G/A View Document
424B3 Aug. 17, 2021 PROSPECTUS SUPPLEMENT View Document
6-K Aug. 17, 2021 REPORT OF FOREIGN PRIVATE ISSUER View Document
S-8 Aug. 6, 2021 REGISTRATION STATEMENT View Document
6-K May 25, 2021 REPORT OF FOREIGN PRIVATE ISSUER View Document
424B3 May 25, 2021 PROSPECTUS SUPPLEMENT View Document
424B3 May 21, 2021 PROSPECTUS SUPPLEMENT View Document
424B3 May 21, 2021 PROSPECTUS SUPPLEMENT View Document
6-K May 21, 2021 REPORT OF FOREIGN PRIVATE ISSUER View Document
6-K May 14, 2021 FORM 6-K View Document
20-F May 14, 2021 ANNUAL REPORT View Document
6-K May 3, 2021 REPORT OF FOREIGN PRIVATE ISSUER View Document
NT 20-F April 30, 2021 NOTIFICATION OF LATE FILING View Document
SC 13G/A April 12, 2021 FUSION FUEL GREEN PLC View Document
SC 13G Feb. 16, 2021 SC 13G View Document
SC 13G Feb. 9, 2021 - View Document
SC 13G/A Feb. 9, 2021 - View Document
424B3 Feb. 8, 2021 PROSPECTUS View Document
EFFECT Feb. 8, 2021 - View Document
SC 13G/A Feb. 5, 2021 FUSION FUEL GREEN PLC View Document
CORRESP Feb. 4, 2021 - View Document
6-K Jan. 28, 2021 FORM 6-K View Document
6-K Jan. 28, 2021 REPORT OF FOREIGN PRIVATE ISSUER View Document
F-1/A Jan. 27, 2021 AMENDMENT NO. 1 TO FORM F-1 View Document
CORRESP Jan. 26, 2021 - View Document
UPLOAD Jan. 25, 2021 - View Document
6-K Jan. 19, 2021 FORM 6-K View Document
SC 13G Jan. 11, 2021 FUSION FUEL GREEN PLC View Document
F-1 Jan. 8, 2021 REGISTRATION STATEMENT View Document
SC 13G Dec. 31, 2020 SCHEDULE 13G View Document
SC 13D Dec. 22, 2020 SCHEDULE 13D View Document
SC 13D Dec. 22, 2020 SCHEDULE 13D View Document
SC 13D Dec. 22, 2020 SCHEDULE 13D View Document
SC 13D Dec. 22, 2020 SCHEDULE 13D View Document
SC 13D Dec. 21, 2020 SCHEDULE 13D View Document
SC 13G Dec. 21, 2020 SCHEDULE 13G View Document
20FR12B Dec. 17, 2020 ANNUAL REPORT View Document
8-A12B Dec. 9, 2020 FOR REGISTRATION OF CERTAIN CLASSES View Document
425 Dec. 4, 2020 425 View Document
425 Nov. 24, 2020 CURRENT REPORT View Document
425 Nov. 18, 2020 FORM 425 View Document
425 Nov. 12, 2020 FORM 425 View Document
SEC STAFF LETTER Nov. 10, 2020 - View Document
EFFECT Nov. 10, 2020 - View Document
424B3 Nov. 10, 2020 - View Document
CORRESP Nov. 9, 2020 - View Document
CORRESP Nov. 5, 2020 - View Document
F-4/A Nov. 5, 2020 AMENDMENT NO. 4 TO FORM F-4 View Document
UPLOAD Nov. 4, 2020 - View Document
F-4/A Oct. 29, 2020 AMENDMENT NO. 3 TO FORM F-4 View Document
CORRESP Oct. 28, 2020 - View Document
UPLOAD Oct. 23, 2020 - View Document
CORRESP Oct. 9, 2020 - View Document
F-4/A Oct. 9, 2020 AMENDMENT NO. 2 TO FORM F-4 View Document
SEC STAFF LETTER Oct. 2, 2020 - View Document
UPLOAD Oct. 2, 2020 - View Document
F-4/A Sept. 21, 2020 AMENDMENT NO. 1 TO FORM F-4 View Document
CORRESP Sept. 18, 2020 - View Document
UPLOAD Sept. 8, 2020 - View Document
425 Aug. 25, 2020 CURRENT REPORT View Document
F-4 Aug. 12, 2020 REGISTRATION STATEMENT View Document
425 Aug. 6, 2020 PROSPECTUS View Document
425 Aug. 5, 2020 CURRENT REPORT View Document