Stem Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 24.72. In total, the insiders bought 648.92K and sold 49.04K STEM shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
24.72
Buy 648.92K shares
Sell 49.04K shares
77% Buy Activity
Weak Negative Correlation
Sell Signal Low Confidence
Jul 02, 2026

Analysis Breakdown:

  • Signal is highly questionable due to a strongly contradictory positive Insider Power Score of 24.72.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Jun 03, 2026
Buy
Restricted Stock Unit
A-Award
Buzby David S
Director
Director 12 168
Value: $110.0K
Jun 03, 2026
Buy
Restricted Stock Unit
A-Award
Birns Ira M
Director
Director 12 168
Value: $110.0K
Jun 03, 2026
Buy
Restricted Stock Unit
A-Award
Guruswamy Vasudevan
Director
Director 12 168
Value: $110.0K
Mar 11, 2026
Sell
Common Stock, Par Value $0.0001 Per Share
S-Sale
Tappin Matthew
President, Software Products
CEO / President 402
Value: $4K
Mar 10, 2026
Sell
Common Stock, Par Value $0.0001 Per Share
S-Sale
Narayanan Arun
Chief Executive Officer
CEO / President 5 145
Value: $57.2K
Mar 10, 2026
Sell
Common Stock, Par Value $0.0001 Per Share
S-Sale
Carlson Michael James
President, Managed Services
CEO / President 2 079
Value: $23.1K
Mar 10, 2026
Sell
Common Stock, Par Value $0.0001 Per Share
S-Sale
Laureles Saul R.
Chief Legal Officer
Officer 942
Value: $10.5K
Mar 10, 2026
Sell
Common Stock, Par Value $0.0001 Per Share
S-Sale
Tappin Matthew
President, Software Products
CEO / President 655
Value: $7K
Mar 07, 2026
Buy
Common Stock, Par Value $0.0001 Per Share
M-Exempt
Narayanan Arun
Chief Executive Officer
CEO / President 12 500
Value: $71.0K
Mar 07, 2026
Buy
Common Stock, Par Value $0.0001 Per Share
M-Exempt
Narayanan Arun
Chief Executive Officer
CEO / President 5 625
Value: $32.0K
Mar 07, 2026
Buy
Restricted Stock Unit
M-Exempt
Narayanan Arun
Chief Executive Officer
CEO / President 12 500
Value: $71.0K
Mar 07, 2026
Buy
Restricted Stock Unit
M-Exempt
Carlson Michael James
President, Managed Services
CEO / President 3 541
Value: $20.1K
Mar 07, 2026
Buy
Common Stock, Par Value $0.0001 Per Share
M-Exempt
Carlson Michael James
President, Managed Services
CEO / President 3 541
Value: $20.1K
Mar 07, 2026
Buy
Restricted Stock Unit
M-Exempt
Laureles Saul R.
Chief Legal Officer
Officer 2 916
Value: $16.6K
Mar 07, 2026
Buy
Common Stock, Par Value $0.0001 Per Share
M-Exempt
Laureles Saul R.
Chief Legal Officer
Officer 2 916
Value: $16.6K
Mar 07, 2026
Buy
Restricted Stock Unit
M-Exempt
Tappin Matthew
President, Software Products
CEO / President 1 458
Value: $8K
Mar 07, 2026
Buy
Common Stock, Par Value $0.0001 Per Share
M-Exempt
Tappin Matthew
President, Software Products
CEO / President 1 458
Value: $8K
Mar 07, 2026
Buy
Restricted Stock Unit
M-Exempt
Narayanan Arun
Chief Executive Officer
CEO / President 5 625
Value: $32.0K
Mar 04, 2026
Sell
Common Stock, Par Value $0.0001 Per Share
S-Sale
Tappin Matthew
President, Software Products
CEO / President 185
Value: $2K
Mar 03, 2026
Sell
Common Stock, Par Value $0.0001 Per Share
S-Sale
Laureles Saul R.
Chief Legal Officer
Officer 292
Value: $3K
Mar 03, 2026
Sell
Common Stock, Par Value $0.0001 Per Share
S-Sale
Tappin Matthew
President, Software Products
CEO / President 300
Value: $3K
Mar 01, 2026
Buy
Restricted Stock Unit
M-Exempt
Tappin Matthew
President, Software Products
CEO / President 670
Value: $4K
Mar 01, 2026
Buy
Common Stock, Par Value $0.0001 Per Share
M-Exempt
Tappin Matthew
President, Software Products
CEO / President 670
Value: $4K
Mar 01, 2026
Buy
Common Stock, Par Value $0.0001 Per Share
M-Exempt
Laureles Saul R.
Chief Legal Officer
Officer 904
Value: $5K
Mar 01, 2026
Buy
Restricted Stock Unit
M-Exempt
Laureles Saul R.
Chief Legal Officer
Officer 904
Value: $5K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT STEM, INC.
Stem
Stem, Inc. operates as a digitally connected and intelligent energy storage network provider in the United States and internationally. It offers energy storage systems sourced from original equipment manufacturers (OEMs). The company also provides Athena, an artificial intelligence platform, which offers battery hardware and software-enabled services to operate the energy storage systems. In addition, it offers system design and engineering servi...
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