Tappin Matthew

President, Software Products | President, Software Division | President, Asset Management

1 company

Excellent

Trades Analyzed

12M Win Rate

83.3%

Avg 3M Return

+19.9%

Avg 12M Return

+54.6%

Tappin Matthew is a President, Software Products at Stem, Inc.. Recent SEC Form 4 filings include 0 buys and 12 sells.

Estimated insider holdings value: $24K based on current market prices.

Holdings by Company

STEMMar 11, 2026

Current Shares2.8K

Value$24.0K

Net Activity-148,528

Bought: 0Sold: 148.5K

Showing 10 filings

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Mar 11, 2026	STEM Stem, Inc.	President, Software Products	Sell	402	$10.83	$4,353.66	-12.5%	-	-
Nov 11, 2025	STEM Stem, Inc.	President, Software Products	Sell	9,584	$17.70	$169,636.80	-83.7%	-33.3%	-
Jun 16, 2025	STEM Stem, Inc.	President, Software Division	Sale+OE	21,987	$0.45	$9,895.31	-18.7%	+61.6%	-
Mar 12, 2025	STEM Stem, Inc.	President, Software Division	Sale+OE	18,715	$0.41	$7,645.54	-16.1%	+47.0%	+23.3%
Feb 20, 2025	STEM Stem, Inc.	President, Software Division	Sale+OE	8,130	$0.63	$5,095.07	-19.9%	-25.7%	-14.3%
May 28, 2024	STEM Stem, Inc.	President, Asset Management	Sell	1,388	$1.32	$1,832.16	-7.7%	-49.0%	-65.8%
Mar 19, 2024	STEM Stem, Inc.	President, Asset Management	Sell	26,640	$1.82	$48,484.80	-63.6%	-35.0%	-74.5%
Mar 8, 2024	STEM Stem, Inc.	President, Asset Management	Sell	24,899	$2.19	$54,528.81	-37.3%	-43.3%	-79.7%
Mar 5, 2024	STEM Stem, Inc.	President, Asset Management	Sell	3,837	$2.41	$9,247.17	-5.4%	-40.1%	-76.6%
Mar 4, 2024	STEM Stem, Inc.	President, Asset Management	Sale+OE	5,724	$2.48	$14,195.52	-7.5%	-47.2%	-81.7%