// company-profile
Greenidge Generation Holdings Inc.
GREEExchangeNasdaqSectorFinance ServicesInc.DEFilings62Insiders11
// api This Greenidge Generation Holdings Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Greenidge Generation Holdings Inc. insiders filed 1 Form 4 transaction, none of which were open-market purchases or sales.
- Most active insider: Atlas Capital Resources GP LLC with 1 transaction totaling $160K.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Greenidge Generation Holdings Inc. as of 2026-03-31
Total reported AUM
$1.4M
QoQ change
+17.8%
Reporting period
2026-03-31
#1
Graham Capital Management, L.P.
CIK 1315421
$550,000
500K shares
#2
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
$167,737
152K shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$133,740
122K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 9, 2026 | Atlas Capital Resources GP LLC | GREE | J | 114,865 | $1.39 | $160K |
| Mar 11, 2026 | Irwin Dale | GREE | Tax Withholding | 39,655 | $1.38 | $55K |
| Mar 11, 2026 | Kovler Jordan | GREE | Tax Withholding | 26,785 | $1.38 | $37K |
| Mar 11, 2026 | Mulvihill Christian | GREE | Tax Withholding | 34,010 | $1.38 | $47K |
| Mar 4, 2026 | Irwin Dale | GREE | Award | 110,000 | $0.00 | $0K |
45 more transactions hidden
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