Greenidge Generation Holdings Inc. (GREE) Insider Trading

Over the last 3 months, GREE insiders made 0 open-market buys and 3 sales, a net sale of -$175K (SEC Form 4). Over the last 6 months, 17 institutions increased and 11 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$175.5K
Insider trades by month Buys Sells
Jul
Aug
Sep
Oct
Feb
Jul
Context3-month price +89.2%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Jul 24, 2026Irwin Daleofficer: PresidentSell21,154$2.45
Jul 24, 2026Mulvihill Christianofficer: Chief Financial OfficerSell14,738$2.45
Jul 24, 2026Kovler Jordandirector, officer: Chief Executive OfficerSell35,721$2.45
Jul 22, 2026Kovler Jordandirector, officer: Chief Executive OfficerGrant125,000—
Jul 22, 2026Irwin Daleofficer: PresidentGrant50,000—
Jul 22, 2026Mulvihill Christianofficer: Chief Financial OfficerGrant35,000—
Mar 13, 2026Irwin Daleofficer: PresidentGrant110,000—
Mar 13, 2026Irwin Daleofficer: PresidentTax39,655$1.38
Mar 13, 2026Kovler Jordandirector, officer: Chief Executive OfficerGrant110,000—
Mar 13, 2026Kovler Jordandirector, officer: Chief Executive OfficerTax26,785$1.38
Mar 13, 2026Mulvihill Christianofficer: Chief Financial OfficerGrant95,000—
Mar 13, 2026Mulvihill Christianofficer: Chief Financial OfficerTax34,010$1.38
Feb 4, 2026Mulvihill Christianofficer: Chief Financial OfficerSell1,953$1.28
Feb 4, 2026Irwin Daleofficer: PresidentSell6$1.26
Feb 4, 2026Irwin Daleofficer: PresidentSell1,979$1.28
Feb 4, 2026Mulvihill Christianofficer: Chief Financial OfficerSell5$1.25
Nov 17, 2025Fearn Kenneth Hopkins Jr.directorGrant22,500—
Nov 17, 2025Zeynel Charles M.directorGrant15,000—
Nov 17, 2025Krug Christopher J.directorGrant22,500—
Oct 15, 2025Mulvihill Christianofficer: Chief Financial OfficerSell609$2.07
Sep 17, 2025Mulvihill Christianofficer: Chief Financial OfficerSell5$1.47
Sep 17, 2025Mulvihill Christianofficer: Chief Financial OfficerSell622$1.46
Aug 20, 2025Zeynel Charles M.directorGrant68,493—
Aug 13, 2025Mulvihill Christianofficer: Chief Financial OfficerSell615$1.36
Aug 6, 2025Irwin Daleofficer: PresidentSell1,727$1.50
Aug 6, 2025Mulvihill Christianofficer: Chief Financial OfficerSell1,696$1.50
Jul 16, 2025Mulvihill Christianofficer: Chief Financial OfficerSell611$1.88
Jun 13, 2025Mulvihill Christianofficer: Chief Financial OfficerSell613$1.45
Jun 13, 2025Mulvihill Christianofficer: Chief Financial OfficerSell14$1.47
May 23, 2025Mulvihill Christianofficer: Chief Financial OfficerSell4,596$1.30

Source: GREE SEC Form 4 filings, latest Jul 24, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their GREE positions over the last 6 months (SEC Form 13F).

Increased
17
New positions
9
Reduced
11
Sold out
10
Largest moves
InstitutionActionSharesFiled
GRAHAM CAPITAL MANAGEMENT, L.P.New Position500KMay 15, 2026
GSA CAPITAL PARTNERS LLPIncreased276KFeb 6, 2026
GSA CAPITAL PARTNERS LLPReduced249KMay 8, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased178KMay 15, 2026
VANGUARD GROUP INCUnchanged166KJan 29, 2026
UBS GROUP AGIncreased150KJan 29, 2026
GEODE CAPITAL MANAGEMENT, LLCUnchanged126KFeb 9, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position122KMay 15, 2026
RENAISSANCE TECHNOLOGIES LLCIncreased88KMay 14, 2026
STATE STREET CORPUnchanged79KMay 15, 2026
STATE STREET CORPIncreased79KFeb 13, 2026
RENAISSANCE TECHNOLOGIES LLCIncreased77KFeb 12, 2026
UBS GROUP AGReduced50KMay 5, 2026
VANGUARD FIDUCIARY TRUST CONew Position45KMay 8, 2026
JANE STREET GROUP, LLCIncreased44KFeb 12, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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