Greenidge Generation Holdings Inc. (GREEL)

Latest Insider Confidence Score

2026Q1

62.5
Bullish

Company insider confidence (by quarter)

2021Q3 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Atlas Capital Resources (A9-Parallel) LP — 26,800,300 Sep 13, 2021
Atlas Capital Resources GP LLC Director 3,876,997 Oct 9, 2025
Atlas Capital GP LP Director 3,876,997 Oct 9, 2025
Atlas Capital Resources (A9) LP Director 3,876,997 Oct 9, 2025
Bursky Andrew M Director 3,876,997 Oct 9, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 2, 2026 Feb 4, 2026 Mulvihill Christian CFO Sell 47.5 -1,958 -2.01% ✗ $2.5K
Feb 2, 2026 Feb 4, 2026 Irwin Dale President Sell 47.5 -1,985 -1.89% ✗ $2.5K
Jan 8, 2026 Jan 12, 2026 Atlas Capital Resources GP LLC Director Buy 82.5 +79,320 2.05% ✗ $163.4K
Nov 9, 2025 Nov 17, 2025 Zeynel Charles M. Director Neutral 90.0 +15,000 21.90% ✗ -
Nov 9, 2025 Nov 17, 2025 Fearn Kenneth Hopkins Jr. Director Neutral 90.0 +22,500 14.84% ✗ -
Nov 9, 2025 Nov 17, 2025 Krug Christopher J. Director Neutral 85.0 +22,500 5.60% ✗ -
Oct 13, 2025 Oct 15, 2025 Mulvihill Christian CFO Sell 50.0 -609 -0.62% ✗ $1.3K
Oct 9, 2025 Oct 9, 2025 Atlas Capital Resources GP LLC Director Buy 87.5 +102,286 2.71% ✗ $165.7K
Sep 16, 2025 Sep 17, 2025 Mulvihill Christian CFO Sell 50.0 -627 -0.64% ✗ $915.5
Aug 18, 2025 Aug 20, 2025 Zeynel Charles M. Director Neutral 90.0 +68,493 100.00% ✗ -
Aug 20, 2025 Zeynel Charles M. Director Neutral 52.5 - 0.00% ✗ -
Aug 13, 2025 Aug 13, 2025 Mulvihill Christian CFO Sell 50.0 -615 -0.62% ✗ $836.4
Aug 4, 2025 Aug 6, 2025 Mulvihill Christian CFO Sell 47.5 -1,696 -1.68% ✗ $2.5K
Aug 4, 2025 Aug 6, 2025 Irwin Dale President Sell 47.5 -1,727 -1.61% ✗ $2.6K
Jul 14, 2025 Jul 16, 2025 Mulvihill Christian CFO Sell 50.0 -611 -0.60% ✗ $1.1K
Jul 2, 2025 Jul 7, 2025 Atlas Capital Resources GP LLC Director Buy 87.5 +131,937 3.62% ✗ $162.3K
Jun 13, 2025 Jun 13, 2025 Mulvihill Christian CFO Sell 50.0 -627 -0.61% ✗ $909.4
May 21, 2025 May 23, 2025 Kovler Jordan CEO Buy 77.5 +1,867 1.24% ✗ $3.7K
May 21, 2025 May 23, 2025 Mulvihill Christian CFO Sell 47.5 -4,596 -4.30% ✗ $6K
May 21, 2025 May 23, 2025 Irwin Dale President Sell 47.5 -4,681 -4.18% ✗ $6.1K
May 20, 2025 May 20, 2025 Krug Christopher J. Director Buy 95.0 +125,000 45.19% ✗ $164.6K
May 19, 2025 May 20, 2025 Kovler Jordan CEO Buy 91.3 +27,737 22.49% ✗ $17.6K
May 19, 2025 May 20, 2025 Mulvihill Christian CFO Buy 91.3 +22,737 27.05% ✗ $13.5K
May 19, 2025 May 20, 2025 Irwin Dale President Neutral 90.0 +12,737 12.85% ✗ -
May 13, 2025 May 15, 2025 Mulvihill Christian CFO Sell 50.0 -618 -0.73% ✗ $692.2
Apr 23, 2025 Apr 25, 2025 Krug Christopher J. Director Buy 95.0 +125,000 82.45% ✗ $103.9K
Apr 17, 2025 Apr 21, 2025 Fearn Kenneth Hopkins Jr. Director Neutral 90.0 +151,607 100.00% ✗ -
Apr 17, 2025 Apr 21, 2025 Krug Christopher J. Director Neutral 90.0 +151,607 100.00% ✗ -
Apr 21, 2025 Fearn Kenneth Hopkins Jr. Director Neutral 52.5 - 0.00% ✗ -
Apr 21, 2025 Krug Christopher J. Director Neutral 52.5 - 0.00% ✗ -
Apr 14, 2025 Apr 15, 2025 Mulvihill Christian CFO Sell 50.0 -618 -0.72% ✗ $401.7
Apr 8, 2025 Apr 10, 2025 Atlas Capital Resources GP LLC Director Buy 87.5 +90,954 2.56% ✗ $119.1K
Mar 27, 2025 Mar 28, 2025 Irwin Dale President Sell 91.3 +31,961 47.59% ✗ $19.1K
Mar 26, 2025 Mar 28, 2025 Mulvihill Christian CFO Sell 91.3 +31,162 57.57% ✗ $19.5K
Mar 26, 2025 Mar 28, 2025 Kovler Jordan CEO Sell 91.3 +63,017 104.52% ✗ $23.2K
Mar 14, 2025 Mar 18, 2025 Mulvihill Christian CFO Sell 47.5 -738 -1.35% ✗ $568.3
Feb 13, 2025 Feb 13, 2025 Mulvihill Christian CFO Sell 47.5 -710 -1.28% ✗ $766.8
Feb 3, 2025 Feb 4, 2025 Irwin Dale President Sell 47.5 -2,076 -3.00% ✗ $2.7K
Feb 3, 2025 Feb 4, 2025 Mulvihill Christian CFO Sell 47.5 -1,947 -3.38% ✗ $2.5K
Jan 29, 2025 Jan 31, 2025 Atlas Capital Resources GP LLC Director Buy 100.0 +752,742 26.89% ✗ $1.4M
Jan 14, 2025 Jan 16, 2025 Mulvihill Christian CFO Sell 47.5 -723 -1.24% ✗ $1.2K
Dec 23, 2024 Dec 23, 2024 Kovler Jordan CEO Buy 85.0 +5,000 9.04% ✗ $8.8K
Dec 17, 2024 Dec 17, 2024 Mulvihill Christian CFO Sell 47.5 -595 -1.01% ✗ $1.3K
Dec 10, 2024 Dec 10, 2024 Kovler Jordan CEO Sell 46.3 -12,991 -19.03% ✗ $29.6K
Aug 1, 2024 Nov 14, 2024 Irwin Dale President Sell 47.5 -1,729 -2.44% ✗ $4.3K
Aug 1, 2024 Nov 14, 2024 Mulvihill Christian CFO Sell 90.0 +18,288 45.01% ✗ $4.3K
Sep 6, 2024 Sep 6, 2024 Kovler Jordan CEO Buy 85.0 +5,000 7.90% ✗ $8.6K
May 28, 2024 May 29, 2024 Irwin Dale President Sell 26.3 -8,777 -11.01% ✗ $24.6K
May 20, 2024 May 23, 2024 Irwin Dale President Sell 22.5 -25,000 -23.87% ✗ $63.8K
Nov 16, 2023 Apr 16, 2024 Kovler Jordan CEO Neutral 52.5 - 0.00% ✗ -
Feb 28, 2024 Mar 1, 2024 Irwin Dale President Sell 46.3 -5,646 -5.11% ✗ $23.6K
Feb 1, 2024 Feb 27, 2024 Mulvihill Christian CFO Neutral 90.0 +18,717 85.41% ✗ -
Dec 8, 2023 Feb 27, 2024 Irwin Dale President Neutral 90.0 +33,140 42.90% ✗ -
Dec 8, 2023 Feb 26, 2024 Kovler Jordan CEO Neutral 90.0 +51,282 427.35% ✗ -
Jan 29, 2024 Feb 22, 2024 Irwin Dale President Neutral 52.5 - 0.00% ✗ -
Feb 16, 2024 Feb 21, 2024 Kovler Jordan CEO Buy 91.3 +3,500 41.18% ✗ $13.9K
Feb 13, 2024 Feb 15, 2024 Mulvihill Christian CFO Sell 91.3 +21,914 100.00% ✗ $44.6K
Feb 5, 2024 Feb 7, 2024 Kovler Jordan CEO Buy 91.3 +3,050 55.96% ✗ $10K
Nov 16, 2023 Nov 20, 2023 Kovler Jordan CEO Buy 91.3 +5,000 1111.11% ✗ $26.1K
Oct 23, 2023 Mulvihill Christian CFO Neutral 52.5 - 0.00% ✗ -
Mar 29, 2023 Kovler Jordan Director Neutral 52.5 - 0.00% ✗ -
Mar 9, 2023 Mar 13, 2023 NEUSCHELER MICHAEL P Director Sell 47.5 -6,504 -14.91% ✗ $2.7K
Mar 9, 2023 Mar 13, 2023 Rothaupt Daniel Director Sell 47.5 -3,470 -14.46% ✗ $1.5K
Nov 15, 2022 Mar 6, 2023 Loughran Robert CFO Sell 27.5 -1,543 -10.29% ✗ $1.2K
Jan 31, 2023 Feb 2, 2023 Atlas Capital Resources GP LLC Director Buy 97.5 +1,190,476 100.00% ✗ $1000K
Oct 10, 2022 Oct 12, 2022 MacKenzie Scott J. Chief Strategy Officer Neutral 52.5 - 0.00% ✗ -
Oct 10, 2022 Oct 12, 2022 Anderson David Carl CEO Neutral 52.5 - 0.00% ✗ -
Oct 12, 2022 MacKenzie Scott J. Chief Strategy Officer Neutral 52.5 - 0.00% ✗ -
Oct 12, 2022 Anderson David Carl CEO Neutral 52.5 - 0.00% ✗ -
Mar 8, 2022 Mar 9, 2022 NEUSCHELER MICHAEL P Director Sell 22.5 -8,103 -15.67% ✗ $65.5K
Jan 4, 2022 Jan 5, 2022 Burke Terence A. General Counsel Neutral 90.0 +4,085 100.00% ✗ -
Jan 5, 2022 Burke Terence A. General Counsel Neutral 52.5 - 0.00% ✗ -
Dec 28, 2021 Dec 30, 2021 Kirt Jeffrey E CEO Sell 20.0 -49,802 -14.44% ✗ $894.4K
Nov 15, 2021 Nov 15, 2021 Loughran Robert Accounting Officer Neutral 90.0 +15,000 100.00% ✗ -
Nov 15, 2021 Loughran Robert Accounting Officer Neutral 52.5 - 0.00% ✗ -
Sep 14, 2021 Sep 15, 2021 210 Capital, LLC Other Neutral 27.5 -90,000 -8.89% ✗ -
Sep 14, 2021 210 Capital, LLC 10% Owner Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 Rothaupt Daniel Director Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 Rogers George Ted III Director Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 Rainey Timothy CFO Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 NEUSCHELER MICHAEL P Director Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 Lowe Timothy Director Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 Lay Jerome Director Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 Kirt Jeffrey E CEO Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 Irwin Dale President Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 Filippelli David Director Neutral 52.5 - 0.00% ✗ -
Sep 13, 2021 Atlas Capital Resources GP LLC Director Neutral 52.5 - 0.00% ✗ -