Greenidge Generation Holdings Inc. Insider Trading

GREE

Cluster buy

4 insiders bought $5.3M of their own stock in 1 day.

Open-market purchases by executives and directors between Sep 10 and Sep 10. Buying is rarer than selling and says more, but it is one input, not a verdict.

Net open-market

+$5.12M

4 buys · 5 sales

Under a 10b5-1 plan

of the value sold

Insiders who bought / sold

4 / 3

executives and directors

Last open-market buy

Sep 2026

Sep 10, 2026

Get an email when GREE's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Sep 10	Jordan Kovler Chief Executive Officer	Bought	58,479	$1.71	100K	18%	Form 4
Sep 10	Christian Mulvihill Chief Financial Officer	Bought	58,479	$1.71	100K	33%	Form 4
Sep 10	Dale Irwin President	Bought	58,479	$1.71	100K	29%	Form 4
Sep 10	George Ted Rogers III Director	Bought	2,923,976	$1.71	$5M	2224%	Form 4
Jul 24	Dale Irwin President	SoldNo plan	21,154	$2.45	52K	9.5%	Form 4
Jul 24	Jordan Kovler Chief Executive Officer	SoldNo plan	35,721	$2.45	88K	9.9%	Form 4
Jul 24	Christian Mulvihill Chief Financial Officer	SoldNo plan	14,738	$2.45	36K	7.7%	Form 4
Feb 2	Christian Mulvihill Chief Financial Officer	SoldNo plan 2 parts	1,958	$1.28 average	3K	2.0%	Form 4
Feb 2	Dale Irwin President	SoldNo plan 2 parts	1,985	$1.28 average	3K	1.9%	Form 4
Oct 13, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	609	$2.07	1K	0.6%	Form 4
Sep 16, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan 2 parts	627	$1.46 average	$915	0.6%	Form 4
Aug 13, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	615	$1.36	$836	0.6%	Form 4
Aug 4, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	1,696	$1.50	3K	1.7%	Form 4
Aug 4, 2025	Dale Irwin President	SoldNo plan	1,727	$1.50	3K	1.6%	Form 4
Jul 14, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	611	$1.88	1K	0.6%	Form 4
Jun 13, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan 2 parts	627	$1.45 average	$909	0.6%	Form 4
May 23, 2025	Jordan Kovler Chief Executive Officer	Bought	5,000	$1.56	8K	3.4%	Form 4
May 21, 2025	Jordan Kovler Chief Executive Officer	SoldNo plan	3,133	$1.30	4K	2.0%	Form 4
May 21, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	4,596	$1.30	6K	4.3%	Form 4
May 21, 2025	Dale Irwin President	SoldNo plan	4,681	$1.30	6K	4.2%	Form 4
May 20, 2025	Christopher J. Krug Director	Bought	125,000	$1.32	165K	45%	Form 4
May 19, 2025 – May 20, 2025	Jordan Kovler Chief Executive Officer	Bought 2 parts	15,000	$1.17 average	18K	11%	Form 4
May 20, 2025	Christian Mulvihill Chief Financial Officer	Bought	10,000	$1.35	14K	10%	Form 4
May 13, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	618	$1.12	$692	0.7%	Form 4
Apr 23, 2025 – Apr 24, 2025	Christopher J. Krug Director	Bought 2 parts	125,000	$0.83 average	104K	82%	Form 4
Apr 23, 2025 – Apr 24, 2025	Christopher J. Krug Director	Bought 2 parts	125,000	$0.83 average	104K	82%	Form 4
Apr 14, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	618	$0.65	$402	0.7%	Form 4
Mar 28, 2025	Dale Irwin President	SoldNo plan 4 parts	23,554	$0.81 average	19K	19%	Form 4
Mar 27, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan 2 parts	24,353	$0.80 average	19K	22%	Form 4
Mar 27, 2025	Jordan Kovler Chief Executive Officer	SoldNo plan 4 parts	28,895	$0.80 average	23K	19%	Form 4
Mar 14, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	738	$0.77	$568	1.3%	Form 4
Feb 13, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan 3 parts	710	$1.08 average	$767	1.3%	Form 4
Feb 3, 2025	Dale Irwin President	SoldNo plan	2,076	$1.29	3K	3.0%	Form 4
Feb 3, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	1,947	$1.29	3K	3.4%	Form 4
Jan 14, 2025	Christian Mulvihill Chief Financial Officer	SoldNo plan	723	$1.63	1K	1.2%	Form 4
Dec 23, 2024	Jordan Kovler Chief Executive Officer	Bought	5,000	$1.76	9K	9.0%	Form 4
Dec 17, 2024	Christian Mulvihill Chief Financial Officer	SoldNo plan	595	$2.20	1K	1.0%	Form 4

Sep 10
Jordan Kovler
Chief Executive Officer · bought 58,479 at $1.71
100K
18% of stake
Sep 10
Christian Mulvihill
Chief Financial Officer · bought 58,479 at $1.71
100K
33% of stake
Sep 10
Dale Irwin
President · bought 58,479 at $1.71
100K
29% of stake
Sep 10
George Ted Rogers III
Director · bought 2,923,976 at $1.71
$5M
2224% of stake
Jul 24No plan
Dale Irwin
President · sold 21,154 at $2.45
52K
9.5% of stake
Jul 24No plan
Jordan Kovler
Chief Executive Officer · sold 35,721 at $2.45
88K
9.9% of stake
Jul 24No plan
Christian Mulvihill
Chief Financial Officer · sold 14,738 at $2.45
36K
7.7% of stake
Feb 2No plan
Christian Mulvihill
Chief Financial Officer · sold 1,958 at avg $1.28
3K
2.0% of stake
Feb 2No plan
Dale Irwin
President · sold 1,985 at avg $1.28
3K
1.9% of stake
Oct 13, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 609 at $2.07
1K
0.6% of stake
Sep 16, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 627 at avg $1.46
$915
0.6% of stake
Aug 13, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 615 at $1.36
$836
0.6% of stake
Aug 4, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 1,696 at $1.50
3K
1.7% of stake
Aug 4, 2025No plan
Dale Irwin
President · sold 1,727 at $1.50
3K
1.6% of stake
Jul 14, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 611 at $1.88
1K
0.6% of stake
Jun 13, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 627 at avg $1.45
$909
0.6% of stake
May 23, 2025
Jordan Kovler
Chief Executive Officer · bought 5,000 at $1.56
8K
3.4% of stake
May 21, 2025No plan
Jordan Kovler
Chief Executive Officer · sold 3,133 at $1.30
4K
2.0% of stake
May 21, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 4,596 at $1.30
6K
4.3% of stake
May 21, 2025No plan
Dale Irwin
President · sold 4,681 at $1.30
6K
4.2% of stake
May 20, 2025
Christopher J. Krug
Director · bought 125,000 at $1.32
165K
45% of stake
May 19, 2025 – May 20, 2025
Jordan Kovler
Chief Executive Officer · bought 15,000 at avg $1.17
18K
11% of stake
May 20, 2025
Christian Mulvihill
Chief Financial Officer · bought 10,000 at $1.35
14K
10% of stake
May 13, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 618 at $1.12
$692
0.7% of stake
Apr 23, 2025 – Apr 24, 2025
Christopher J. Krug
Director · bought 125,000 at avg $0.83
104K
82% of stake
Apr 23, 2025 – Apr 24, 2025
Christopher J. Krug
Director · bought 125,000 at avg $0.83
104K
82% of stake
Apr 14, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 618 at $0.65
$402
0.7% of stake
Mar 28, 2025No plan
Dale Irwin
President · sold 23,554 at avg $0.81
19K
19% of stake
Mar 27, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 24,353 at avg $0.80
19K
22% of stake
Mar 27, 2025No plan
Jordan Kovler
Chief Executive Officer · sold 28,895 at avg $0.80
23K
19% of stake
Mar 14, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 738 at $0.77
$568
1.3% of stake
Feb 13, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 710 at avg $1.08
$767
1.3% of stake
Feb 3, 2025No plan
Dale Irwin
President · sold 2,076 at $1.29
3K
3.0% of stake
Feb 3, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 1,947 at $1.29
3K
3.4% of stake
Jan 14, 2025No plan
Christian Mulvihill
Chief Financial Officer · sold 723 at $1.63
1K
1.2% of stake
Dec 23, 2024
Jordan Kovler
Chief Executive Officer · bought 5,000 at $1.76
9K
9.0% of stake
Dec 17, 2024No plan
Christian Mulvihill
Chief Financial Officer · sold 595 at $2.20
1K
1.0% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch GREE, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Spot a number that looks wrong? Check it in GREE's SEC filings or

Download this analysis as a PDF (Pro)

Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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