GREE

Greenidge Generation Holdings Inc.$2.84+0.00 (—)

Prev Close$2.94·MCap$51.5M·P/E2.77·Vol—·Yield—

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Buys (12M)

$5.30M

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Sells (12M)

$180.5K

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Net Activity

Net Buyer

$5.12M

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at Greenidge Generation Holdings Inc. (GREE) has been dominated by buying, with 4 insider purchases totaling $5.30M and 5 insider sales totaling $180.5K. The most recent insider transaction was by Kovler Jordan (director, officer: Chief Executive Officer), who purchased $100.0K worth of shares on Sep 14, 2026. Greenidge Generation Holdings Inc. operates in the Financial Services sector, within the Financial - Capital Markets industry, with a market cap of $51.5M.

GREE Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Sep 14, 2026	Kovler Jordan	director, officer: Chief Executive Officer	Buy	58,479	$1.71	$100.0K	383,885
Sep 14, 2026	Irwin Dale	officer: President	Buy	58,479	$1.71	$100.0K	260,955+29%
Sep 14, 2026	Mulvihill Christian	officer: Chief Financial Officer	Buy	58,479	$1.71	$100.0K	234,475+33%
Sep 11, 2026	Rogers George Ted III	director	Buy	2,923,976	$1.71	$5.00M16.1% OS	3,039,467New Position
Jul 24, 2026	Kovler Jordan	director, officer: Chief Executive Officer	Sell	35,721	$2.45	$87.5K	325,406
Jul 24, 2026	Mulvihill Christian	officer: Chief Financial Officer	Sell	14,738	$2.45	$36.1K	175,996
Jul 24, 2026	Irwin Dale	officer: President	Sell	21,154	$2.45	$51.8K	202,476
Feb 4, 2026	Mulvihill Christian	officer: Chief Financial Officer	Sell	1,958	$1.28	$2.5K	97,404
Feb 2, 2026	Irwin Dale	President	Sell	1,985	$1.28	$2.5K	0
Aug 4, 2025	Mulvihill Christian	Chief Financial Officer	Sell	1,696	$1.50	$2.5K	0
Jul 14, 2025	Mulvihill Christian	Chief Financial Officer	Sell	611	$1.88	$1.1K	0
Jun 13, 2025	Mulvihill Christian	Chief Financial Officer	Sell	627	$1.45	$909.43	0
May 21, 2025	Mulvihill Christian	Chief Financial Officer	Sell	4,596	$1.30	$6.0K	0
May 20, 2025	Krug Christopher J.	Director	Buy	125,000	$1.32	$164.6K0.8% OS	0
May 19, 2025	Kovler Jordan	Chief Executive Officer	Buy	15,000	$1.17	$17.6K	0
Apr 23, 2025	Krug Christopher J.	Director	Buy	125,000	$0.83	$103.9K0.8% OS	0
Apr 14, 2025	Mulvihill Christian	Chief Financial Officer	Sell	618	$0.65	$401.70	0
Mar 27, 2025	Irwin Dale	President	Sell	23,554	$0.81	$19.1K	0
Mar 26, 2025	Kovler Jordan	Chief Executive Officer	Sell	28,895	$0.80	$23.2K	0

GREE Insider Buying Activity

The following table shows recent insider purchases of Greenidge Generation Holdings Inc. (GREE) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Sep 14, 2026	Kovler Jordan	director, officer: Chief Executive Officer	Buy	58,479	$1.71	$100.0K	383,885
Sep 14, 2026	Irwin Dale	officer: President	Buy	58,479	$1.71	$100.0K	260,955+29%
Sep 14, 2026	Mulvihill Christian	officer: Chief Financial Officer	Buy	58,479	$1.71	$100.0K	234,475+33%
Sep 11, 2026	Rogers George Ted III	director	Buy	2,923,976	$1.71	$5.00M16.1% OS	3,039,467New Position
May 20, 2025	Krug Christopher J.	Director	Buy	125,000	$1.32	$164.6K0.8% OS	0
May 19, 2025	Kovler Jordan	Chief Executive Officer	Buy	15,000	$1.17	$17.6K	0
Apr 23, 2025	Krug Christopher J.	Director	Buy	125,000	$0.83	$103.9K0.8% OS	0

GREE Insider Selling Activity

The following table shows recent insider sales of Greenidge Generation Holdings Inc. (GREE) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jul 24, 2026	Kovler Jordan	director, officer: Chief Executive Officer	Sell	35,721	$2.45	$87.5K	325,406
Jul 24, 2026	Mulvihill Christian	officer: Chief Financial Officer	Sell	14,738	$2.45	$36.1K	175,996
Jul 24, 2026	Irwin Dale	officer: President	Sell	21,154	$2.45	$51.8K	202,476
Feb 4, 2026	Mulvihill Christian	officer: Chief Financial Officer	Sell	1,958	$1.28	$2.5K	97,404
Feb 2, 2026	Irwin Dale	President	Sell	1,985	$1.28	$2.5K	0
Aug 4, 2025	Mulvihill Christian	Chief Financial Officer	Sell	1,696	$1.50	$2.5K	0
Jul 14, 2025	Mulvihill Christian	Chief Financial Officer	Sell	611	$1.88	$1.1K	0
Jun 13, 2025	Mulvihill Christian	Chief Financial Officer	Sell	627	$1.45	$909.43	0
May 21, 2025	Mulvihill Christian	Chief Financial Officer	Sell	4,596	$1.30	$6.0K	0
Apr 14, 2025	Mulvihill Christian	Chief Financial Officer	Sell	618	$0.65	$401.70	0
Mar 27, 2025	Irwin Dale	President	Sell	23,554	$0.81	$19.1K	0
Mar 26, 2025	Kovler Jordan	Chief Executive Officer	Sell	28,895	$0.80	$23.2K	0