SEC Filings for Greenidge Generation Holdings Inc. (GREE)

Last updated: 2026-03-25 23:09 UTC | Total filings: 393

Browse the latest SEC filings and forms submitted by Greenidge Generation Holdings Inc. (GREE). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
8-K March 25, 2026 8-K View Document
4 March 13, 2026 FORM 4 View Document
4 March 13, 2026 FORM 4 View Document
4 March 13, 2026 FORM 4 View Document
8-K March 11, 2026 8-K View Document
8-K/A March 6, 2026 8-K/A View Document
8-K March 5, 2026 8-K View Document
4 Feb. 4, 2026 FORM 4 View Document
4 Feb. 4, 2026 FORM 4 View Document
SCHEDULE 13D/A Jan. 12, 2026 - View Document
4 Jan. 12, 2026 4 View Document
8-K Dec. 18, 2025 8-K View Document
8-K Dec. 11, 2025 8-K View Document
8-K Dec. 1, 2025 8-K View Document
8-K Nov. 26, 2025 8-K View Document
4 Nov. 17, 2025 FORM 4 View Document
4 Nov. 17, 2025 FORM 4 View Document
4 Nov. 17, 2025 FORM 4 View Document
8-K Nov. 14, 2025 8-K View Document
10-Q Nov. 13, 2025 10-Q View Document
8-K Nov. 13, 2025 8-K View Document
8-K Nov. 10, 2025 8-K View Document
8-K Nov. 6, 2025 8-K View Document
8-K Oct. 22, 2025 8-K View Document
4 Oct. 15, 2025 FORM 4 View Document
4 Oct. 9, 2025 4 View Document
8-K Oct. 6, 2025 8-K View Document
8-K Sept. 29, 2025 8-K View Document
4 Sept. 17, 2025 FORM 4 View Document
8-K Sept. 12, 2025 8-K View Document
8-K Aug. 27, 2025 8-K View Document
8-K Aug. 25, 2025 8-K View Document
4 Aug. 20, 2025 FORM 4 View Document
3 Aug. 20, 2025 FORM 3 View Document
4 Aug. 13, 2025 FORM 4 View Document
10-Q Aug. 13, 2025 10-Q View Document
8-K Aug. 13, 2025 8-K View Document
4 Aug. 6, 2025 FORM 4 View Document
4 Aug. 6, 2025 FORM 4 View Document
8-K Aug. 6, 2025 8-K View Document
8-K July 21, 2025 - View Document
SC TO-I/A July 18, 2025 - View Document
4 July 16, 2025 FORM 4 View Document
4 July 7, 2025 4 View Document
SCHEDULE 13D/A July 7, 2025 - View Document
SC TO-I/A July 3, 2025 - View Document
SEC STAFF ACTION July 2, 2025 - View Document
CORRESP June 30, 2025 - View Document
SC TO-I/A June 27, 2025 - View Document
CORRESP June 27, 2025 - View Document
UPLOAD June 25, 2025 - View Document
SC TO-I/A June 20, 2025 AMENDMENT NO. 1 TO SCHEDULE TO View Document
S-8 June 18, 2025 - View Document
T-3 June 18, 2025 - View Document
SC TO-I June 17, 2025 - View Document
8-K June 17, 2025 8-K View Document
4 June 13, 2025 FORM 4 View Document
4 May 23, 2025 FORM 4 View Document
4 May 23, 2025 FORM 4 View Document
4 May 23, 2025 FORM 4 View Document
4 May 20, 2025 FORM 4 View Document
4 May 20, 2025 FORM 4 View Document
4 May 20, 2025 FORM 4 View Document
4 May 20, 2025 FORM 4 View Document
4 May 15, 2025 FORM 4 View Document
8-K May 15, 2025 8-K View Document
10-Q May 15, 2025 10-Q View Document
8-K May 7, 2025 8-K View Document
ARS April 28, 2025 - View Document
DEFA14A April 28, 2025 - View Document
DEF 14A April 28, 2025 - View Document
4/A April 25, 2025 FORM 4/A View Document
4 April 25, 2025 FORM 4 View Document
3 April 21, 2025 FORM 3 View Document
4 April 21, 2025 FORM 4 View Document
4 April 21, 2025 FORM 4 View Document
3 April 21, 2025 FORM 3 View Document
10-K/A April 21, 2025 10-K/A View Document
8-K April 16, 2025 8-K View Document
8-K April 15, 2025 8-K View Document
4 April 15, 2025 FORM 4 View Document
4 April 10, 2025 4 View Document
10-K March 31, 2025 10-K View Document
4 March 28, 2025 FORM 4 View Document
4 March 28, 2025 FORM 4 View Document
4 March 28, 2025 FORM 4 View Document
4 March 18, 2025 FORM 4 View Document
8-K March 6, 2025 8-K View Document
S-8 Feb. 14, 2025 - View Document
4 Feb. 13, 2025 FORM 4 View Document
4 Feb. 4, 2025 FORM 4 View Document
4 Feb. 4, 2025 FORM 4 View Document
4 Jan. 31, 2025 4 View Document
SCHEDULE 13D/A Jan. 28, 2025 - View Document
8-K Jan. 28, 2025 8-K View Document
4 Jan. 16, 2025 FORM 4 View Document
4 Dec. 23, 2024 FORM 4 View Document
4 Dec. 17, 2024 FORM 4 View Document
4/A Dec. 17, 2024 FORM 4/A View Document
4 Dec. 10, 2024 FORM 4 View Document
8-K Dec. 4, 2024 8-K View Document
8-K Nov. 18, 2024 - View Document
DEF 14C Nov. 18, 2024 - View Document
8-K Nov. 15, 2024 8-K View Document
4 Nov. 14, 2024 FORM 4 View Document
4 Nov. 14, 2024 FORM 4 View Document
10-Q Nov. 7, 2024 10-Q View Document
8-K Nov. 7, 2024 8-K View Document
8-K Oct. 29, 2024 8-K View Document
8-K Oct. 28, 2024 8-K View Document
8-K Oct. 15, 2024 8-K View Document
424B3 Sept. 25, 2024 424B3 View Document
EFFECT Sept. 24, 2024 - View Document
POS AM Sept. 17, 2024 POS AM View Document
AW Sept. 13, 2024 AW View Document
S-1/A Sept. 12, 2024 S-1/A View Document
8-K Sept. 9, 2024 8-K View Document
4 Sept. 6, 2024 FORM 4 View Document
8-K Aug. 20, 2024 8-K View Document
8-K Aug. 16, 2024 8-K View Document
424B3 Aug. 16, 2024 424B3 View Document
8-K Aug. 14, 2024 8-K View Document
10-Q Aug. 14, 2024 10-Q View Document
EFFECT Aug. 12, 2024 - View Document
CORRESP Aug. 9, 2024 - View Document
UPLOAD Aug. 8, 2024 - View Document
8-K/A Aug. 1, 2024 8-K/A View Document
S-1 Aug. 1, 2024 S-1 View Document
8-K Aug. 1, 2024 8-K View Document
8-K July 31, 2024 8-K View Document
8-K July 24, 2024 8-K View Document
8-K July 11, 2024 8-K View Document
8-K June 20, 2024 8-K View Document
EFFECT May 30, 2024 - View Document
4 May 29, 2024 FORM 4 View Document
S-3/A May 29, 2024 S-3/A View Document
144 May 28, 2024 - View Document
CORRESP May 28, 2024 - View Document
4 May 23, 2024 FORM 4 View Document
CORRESP May 22, 2024 - View Document
CORRESP May 21, 2024 - View Document
UPLOAD May 17, 2024 - View Document
CORRESP May 17, 2024 - View Document
CORRESP May 17, 2024 - View Document
10-Q May 15, 2024 10-Q View Document
CORRESP May 7, 2024 - View Document
10-K/A May 7, 2024 - View Document
8-K May 1, 2024 8-K View Document
8-K April 29, 2024 8-K View Document
DEF 14A April 29, 2024 DEF 14A View Document
DEFA14A April 29, 2024 DEFA14A View Document
ARS April 29, 2024 ARS View Document
UPLOAD April 26, 2024 - View Document
UPLOAD April 24, 2024 - View Document
CORRESP April 23, 2024 - View Document
UPLOAD April 23, 2024 - View Document
8-K April 19, 2024 8-K View Document
4/A April 16, 2024 FORM 4/A View Document
8-K April 10, 2024 8-K View Document
10-K April 10, 2024 10-K View Document
S-3 April 10, 2024 S-3 View Document
8-K April 5, 2024 8-K View Document
8-K March 28, 2024 8-K View Document
NT 10-K March 27, 2024 NT 10-K View Document
8-K March 11, 2024 8-K View Document
4 March 1, 2024 FORM 4 View Document
CORRESP Feb. 29, 2024 - View Document
4 Feb. 27, 2024 FORM 4 View Document
4 Feb. 27, 2024 FORM 4 View Document
4 Feb. 26, 2024 FORM 4 View Document
D Feb. 23, 2024 - View Document
4 Feb. 22, 2024 FORM 4 View Document
4 Feb. 21, 2024 FORM 4 View Document
8-K Feb. 16, 2024 8-K View Document
4 Feb. 15, 2024 FORM 4 View Document
4 Feb. 7, 2024 FORM 4 View Document
8-K Feb. 6, 2024 8-K View Document
8-K/A Feb. 6, 2024 8-K/A View Document
UPLOAD Dec. 19, 2023 - View Document
8-K Dec. 12, 2023 8-K View Document
4 Nov. 20, 2023 FORM 4 View Document
8-K Nov. 20, 2023 8-K View Document
10-Q Nov. 14, 2023 10-Q View Document
8-K Oct. 25, 2023 8-K View Document
3 Oct. 23, 2023 FORM 3 View Document
CORRESP Oct. 19, 2023 - View Document
8-K Oct. 17, 2023 8-K View Document
CORRESP Oct. 6, 2023 - View Document
8-K Sept. 12, 2023 8-K View Document
UPLOAD Aug. 25, 2023 - View Document
8-K Aug. 23, 2023 8-K View Document
DEF 14A Aug. 14, 2023 DEF 14A View Document
8-K Aug. 14, 2023 8-K View Document
10-Q Aug. 14, 2023 10-Q View Document
PRE 14A Aug. 4, 2023 PRE 14A View Document
CORRESP Aug. 3, 2023 - View Document
CORRESP July 13, 2023 - View Document
UPLOAD July 6, 2023 - View Document
8-K June 16, 2023 8-K View Document
S-8 May 26, 2023 S-8 View Document
8-K May 24, 2023 CURRENT REPORT View Document
8-K May 15, 2023 8-K View Document
10-Q May 15, 2023 10-Q View Document
8-K May 15, 2023 8-K View Document
8-K May 12, 2023 8-K View Document
DEF 14C April 24, 2023 DEF 14C View Document
8-K April 21, 2023 8-K View Document
10-K/A April 18, 2023 10-K/A View Document
PREC14C April 13, 2023 PREC14C View Document
10-K March 31, 2023 10-K View Document
8-K March 31, 2023 8-K View Document
3 March 29, 2023 - View Document
8-K March 27, 2023 8-K View Document
4 March 13, 2023 FORM 4 View Document
4 March 13, 2023 FORM 4 View Document
4 March 6, 2023 FORM 4 View Document
SC 13D Feb. 9, 2023 SC 13D View Document
4 Feb. 2, 2023 FORM 4 SUBMISSION View Document
8-K Jan. 31, 2023 8-K View Document
8-K Jan. 20, 2023 8-K View Document
8-K Jan. 17, 2023 8-K View Document
8-K Dec. 30, 2022 8-K View Document
8-K Dec. 20, 2022 8-K View Document
8-K Dec. 16, 2022 8-K View Document
8-K Nov. 14, 2022 8-K View Document
10-Q Nov. 14, 2022 10-Q View Document
S-8 Oct. 31, 2022 REGISTRATION STATEMENT View Document
3 Oct. 12, 2022 - View Document
4 Oct. 12, 2022 - View Document
4 Oct. 12, 2022 - View Document
3 Oct. 12, 2022 - View Document
8-K/A Oct. 12, 2022 CURRENT REPORT View Document
8-K Oct. 11, 2022 8-K View Document
424B3 Oct. 6, 2022 424B3 View Document
EFFECT Oct. 5, 2022 - View Document
424B5 Oct. 5, 2022 424B5 View Document
8-K Oct. 4, 2022 8-K View Document
EFFECT Oct. 3, 2022 - View Document
CORRESP Sept. 30, 2022 - View Document
POS AM Sept. 30, 2022 POS AM View Document
UPLOAD Sept. 27, 2022 - View Document
S-3 Sept. 19, 2022 FORM S-3 View Document
8-K Sept. 7, 2022 8-K View Document
10-Q Aug. 15, 2022 10-Q View Document
8-K Aug. 15, 2022 8-K View Document
DEF 14A July 28, 2022 DEF 14A View Document
DEFA14A July 28, 2022 DEFA14A View Document
PRE 14A July 18, 2022 PRE 14A View Document
8-K May 16, 2022 8-K View Document
10-Q May 16, 2022 10-Q View Document
424B3 April 28, 2022 424B3 View Document
EFFECT April 28, 2022 - View Document
CORRESP April 27, 2022 - View Document
UPLOAD April 26, 2022 - View Document
8-K April 22, 2022 8-K View Document
S-1 April 19, 2022 S-1 View Document
8-K April 14, 2022 8-K View Document
424B3 April 11, 2022 424B3 View Document
8-K April 8, 2022 8-K View Document
EFFECT April 8, 2022 - View Document
EFFECT April 8, 2022 - View Document
POS AM April 7, 2022 POS AM View Document
8-K/A April 1, 2022 8-K/A View Document
POS AM April 1, 2022 POS AM View Document
10-K March 31, 2022 10-K View Document
8-K March 31, 2022 8-K View Document
8-K March 24, 2022 8-K View Document
4 March 9, 2022 - View Document
SC 13G Feb. 14, 2022 SCHEDULE 13G View Document
424B3 Feb. 2, 2022 424B3 View Document
8-K Feb. 2, 2022 8-K View Document
424B3 Feb. 2, 2022 424B3 View Document
3 Jan. 5, 2022 - View Document
4 Jan. 5, 2022 - View Document
4 Dec. 30, 2021 - View Document
424B3 Dec. 30, 2021 424B3 View Document
424B3 Dec. 30, 2021 424B3 View Document
8-K Dec. 30, 2021 8-K View Document
424B3 Dec. 17, 2021 424B3 View Document
8-K Dec. 17, 2021 8-K View Document
424B3 Dec. 17, 2021 424B3 View Document
424B3 Dec. 8, 2021 424B3 View Document
424B3 Dec. 8, 2021 424B3 View Document
8-K Dec. 8, 2021 8-K View Document
FWP Dec. 3, 2021 FWP View Document
424B4 Dec. 3, 2021 424B4 View Document
424B3 Dec. 3, 2021 424B3 View Document
424B3 Dec. 3, 2021 424B3 View Document
8-K Dec. 3, 2021 8-K View Document
EFFECT Dec. 2, 2021 - View Document
CORRESP Dec. 1, 2021 - View Document
S-1/A Dec. 1, 2021 S-1/A View Document
CORRESP Dec. 1, 2021 - View Document
UPLOAD Nov. 22, 2021 - View Document
S-1 Nov. 18, 2021 S-1 View Document
424B3 Nov. 17, 2021 424B3 View Document
8-K Nov. 17, 2021 8-K View Document
424B3 Nov. 17, 2021 424B3 View Document
3 Nov. 15, 2021 - View Document
10-Q Nov. 15, 2021 10-Q View Document
4 Nov. 15, 2021 - View Document
8-K Nov. 15, 2021 8-K View Document
8-K Oct. 22, 2021 8-K View Document
424B3 Oct. 22, 2021 424B3 View Document
424B3 Oct. 22, 2021 424B3 View Document
424B3 Oct. 14, 2021 424B3 View Document
424B3 Oct. 14, 2021 424B3 View Document
S-8 Oct. 14, 2021 REGISTRATION STATEMENT View Document
CERT Oct. 13, 2021 - View Document
8-K Oct. 13, 2021 8-K View Document
424B3 Oct. 13, 2021 424B3 View Document
8-A12B Oct. 13, 2021 8-A12B View Document
424B3 Oct. 13, 2021 424B3 View Document
8-K Oct. 12, 2021 8-K View Document
424B4 Oct. 12, 2021 424B4 View Document
CORRESP Oct. 8, 2021 - View Document
CORRESP Oct. 8, 2021 - View Document
EFFECT Oct. 8, 2021 - View Document
S-1MEF Oct. 8, 2021 S-1MEF View Document
FWP Oct. 8, 2021 FWP View Document
CORRESP Oct. 7, 2021 - View Document
CORRESP Oct. 7, 2021 - View Document
EFFECT Oct. 6, 2021 - View Document
CORRESP Oct. 6, 2021 - View Document
CORRESP Oct. 6, 2021 - View Document
424B3 Oct. 6, 2021 424B3 View Document
CORRESP Oct. 5, 2021 - View Document
CORRESP Oct. 5, 2021 - View Document
S-1/A Oct. 5, 2021 S-1/A View Document
424B3 Oct. 5, 2021 424B3 View Document
S-1/A Oct. 4, 2021 S-1/A View Document
CORRESP Oct. 4, 2021 - View Document
8-K Oct. 4, 2021 8-K View Document
SC 13G Sept. 27, 2021 - View Document
UPLOAD Sept. 24, 2021 - View Document
UPLOAD Sept. 24, 2021 - View Document
424B3 Sept. 24, 2021 424B3 View Document
10-Q Sept. 23, 2021 10-Q View Document
S-1 Sept. 21, 2021 S-1 View Document
S-1 Sept. 17, 2021 S-1 View Document
424B3 Sept. 16, 2021 424B3 View Document
424B3 Sept. 16, 2021 424B3 View Document
SC 13D/A Sept. 15, 2021 SC 13D/A View Document
4 Sept. 15, 2021 - View Document
POS EX Sept. 15, 2021 POS EX View Document
8-K Sept. 15, 2021 8-K View Document
8-K Sept. 15, 2021 8-K View Document
S-1/A Sept. 14, 2021 S-1/A View Document
CERT Sept. 14, 2021 8A CERT View Document
3 Sept. 14, 2021 - View Document
EFFECT Sept. 14, 2021 - View Document
3 Sept. 13, 2021 - View Document
3 Sept. 13, 2021 - View Document
3 Sept. 13, 2021 - View Document
3 Sept. 13, 2021 - View Document
3 Sept. 13, 2021 - View Document
3 Sept. 13, 2021 - View Document
3 Sept. 13, 2021 - View Document
3 Sept. 13, 2021 - View Document
3 Sept. 13, 2021 - View Document
3 Sept. 13, 2021 - View Document
8-A12B Sept. 13, 2021 FORM 8-A12B View Document
425 Sept. 13, 2021 FORM 8-K View Document
8-K Sept. 13, 2021 FORM 8-K View Document
CORRESP Sept. 10, 2021 - View Document
UPLOAD Sept. 2, 2021 - View Document
S-1 Sept. 1, 2021 S-1 View Document
EFFECT Aug. 10, 2021 - View Document
424B3 Aug. 10, 2021 424B3 View Document
CORRESP Aug. 9, 2021 - View Document
S-4/A Aug. 6, 2021 S-4/A View Document
CORRESP Aug. 6, 2021 - View Document
CORRESP Aug. 4, 2021 - View Document
UPLOAD Aug. 3, 2021 - View Document
CORRESP July 16, 2021 - View Document
S-4/A July 16, 2021 S-4/A View Document
425 July 14, 2021 425 View Document
UPLOAD July 12, 2021 - View Document
425 July 2, 2021 425 View Document
CORRESP June 25, 2021 - View Document
S-4/A June 25, 2021 S-4/A View Document
UPLOAD June 7, 2021 - View Document
S-4 May 4, 2021 S-4 View Document
SC 13D March 29, 2021 SC 13D View Document
425 March 23, 2021 425 View Document
425 March 22, 2021 425 View Document
425 March 22, 2021 425 View Document
425 March 22, 2021 425 View Document
425 March 22, 2021 425 View Document
425 March 22, 2021 425 View Document
425 March 22, 2021 425 View Document
425 March 22, 2021 425 View Document
D Feb. 10, 2021 - View Document