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STEM, INC. (STEM) XNYS SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN Net insider selling (90d) Watch STEM
Latest STEM Insider Trades Stem Inc is a provider of energy storage systems. The company bundles third-party hardware with its proprietary Athena software to provide customers a turnkey solution. Stem sells its solutions to commercial and industrial customers as well as independent power producers and renewable developers. Its solutions help customers maximize renewable energy generation and help build a cleaner and more resilient grid. The Company operates as one operating segment that is focused exclusively on technology services that transform the way energy is distributed and consumed.
Headquarters HOUSTON, TX
Employees 423
Listed 2021
Exchange XNYS https://www.stem.com SEC filings for STEM on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 5 6,010 $45K Grant or award 8 92,662 Option exercise 29 166,818
STEM Insider Transactions (Form 4) 71 60 Form 4 filings on record, the earliest from Nov 1, 2024, newest first. Filing history page 1 of 2.
Date Insider Transaction Security Shares Price Value Aug 7, 2026 DB David S. Buzby - Director Option exercise Common Stock, Par Value $0.0001 Per Share 7,486
Recent STEM Form 8-K Filings 5
Recent STEM Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 10, 2026 Musfeldt Brian Officer 1,138 $6K View on EDGAR Aug 10, 2026 Tappin Matthew Officer
STEM Insider Trading - FAQ
What is the latest insider trade for STEM? STEM, INC. (STEM) had 19 insider filings in the last 90 days, with the most recent on 2026-08-12. The full record for STEM runs to 60 Form 4 filings, the earliest from 2024-11-01. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying STEM stock? No insider purchases of STEM were filed in the last 90 days.
How many insiders are selling STEM stock? 5 insider sales of STEM were filed in the last 90 days, totaling $45K.
Where can I see STEM SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks STEM Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow STEM insider buys? Create a free InsiderAlpha account and press Watch on this page to add STEM to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track STEM insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
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Market cap $52.37M
P/E ratio -
Dividend yield -
Average volume 128.3K
52 week high $32.23
52 week low $4.92
Today's high -
Today's low -
Open -
Volume -
Previous close $5.44
Shares outstanding 9.63M Market cap
$52.37M
423 employees
STEM Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 5 sales totaling $45K.
Most-Active STEM Insiders - Last 90 Days 10 Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Aug 7, 2026 DB David S. Buzby - Director Option exercise Restricted Stock Unit 7,486 $0.00 -
Aug 7, 2026 KS Krishna Shivram - Director Option exercise Common Stock, Par Value $0.0001 Per Share 7,486 - -
Aug 7, 2026 KS Krishna Shivram - Director Option exercise Restricted Stock Unit 7,486 $0.00 -
Aug 7, 2026 AD Adam Daley - Director Option exercise Common Stock, Par Value $0.0001 Per Share 7,486 - -
Aug 7, 2026 AD Adam Daley - Director Option exercise Restricted Stock Unit 7,486 $0.00 -
Aug 7, 2026 AT Anil Tammineedi - Director Option exercise Common Stock, Par Value $0.0001 Per Share 7,486 - -
Aug 7, 2026 AT Anil Tammineedi - Director Option exercise Restricted Stock Unit 7,486 $0.00 -
Aug 7, 2026 VG Vasudevan Guruswamy - Director Option exercise Common Stock, Par Value $0.0001 Per Share 7,486 - -
Aug 7, 2026 LT Laura D. Tyson - Director Grant or award Common Stock, Par Value $0.0001 Per Share 7,486 - -
Aug 7, 2026 LT Laura D. Tyson - Director Option exercise Restricted Stock Unit 7,486 $0.00 -
Aug 7, 2026 IB Ira M. Birns - Director Option exercise Common Stock, Par Value $0.0001 Per Share 7,486 - -
Aug 7, 2026 IB Ira M. Birns - Director Option exercise Restricted Stock Unit 7,486 $0.00 -
Jul 17, 2026 BM Brian Musfeldt - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 3,375 $6.26 $21K
Jul 20, 2026 BM Brian Musfeldt - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 996 $6.11 $6K
Jul 17, 2026 BM Brian Musfeldt - Officer Option exercise Performance Stock Unit 3,375 $0.00 -
Jun 30, 2026 SL Saul R. Laureles - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 5,000 $7.81 $39K
Jun 30, 2026 SL Saul R. Laureles - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 2,750 $7.81 $21K
Jul 2, 2026 SL Saul R. Laureles - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 675 $7.85 $5K
Jun 30, 2026 SL Saul R. Laureles - Officer Option exercise Performance Stock Unit 2,750 $0.00 -
Jun 30, 2026 SL Saul R. Laureles - Officer Option exercise Performance Stock Unit 5,000 $0.00 -
Jun 30, 2026 MT Matthew Tappin - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 5,000 $7.81 $39K
Jun 30, 2026 MT Matthew Tappin - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 2,750 $7.81 $21K
Jul 2, 2026 MT Matthew Tappin - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 996 $7.85 $8K
Jun 30, 2026 MT Matthew Tappin - Officer Option exercise Performance Stock Unit 2,750 $0.00 -
Jun 30, 2026 MT Matthew Tappin - Officer Option exercise Performance Stock Unit 5,000 $0.00 -
Jun 30, 2026 MC Michael James Carlson - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 5,000 $7.81 $39K
Jun 30, 2026 MC Michael James Carlson - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 2,750 $7.81 $21K
Jul 2, 2026 MC Michael James Carlson - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 1,347 $7.85 $11K
Jun 30, 2026 AN Arun Narayanan - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 8,125 $7.81 $63K
Jul 2, 2026 AN Arun Narayanan - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 1,996 $7.85 $16K
Jun 30, 2026 AN Arun Narayanan - Officer Option exercise Performance Stock Unit 8,125 $0.00 -
Jun 3, 2026 LT Laura D. Tyson - Director Grant or award Restricted Stock Unit 12,168 $0.00 -
Jun 3, 2026 AD Adam Daley - Director Grant or award Restricted Stock Unit 12,168 $0.00 -
Jun 3, 2026 AT Anil Tammineedi - Director Grant or award Restricted Stock Unit 12,168 $0.00 -
Jun 3, 2026 KS Krishna Shivram - Director Grant or award Restricted Stock Unit 12,168 $0.00 -
Jun 3, 2026 DB David S. Buzby - Director Grant or award Restricted Stock Unit 12,168 $0.00 -
Jun 3, 2026 IB Ira M. Birns - Director Grant or award Restricted Stock Unit 12,168 $0.00 -
Mar 11, 2026 MT Matthew Tappin - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 402 $10.83 $4K
Mar 7, 2026 MT Matthew Tappin - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 1,458 - -
Mar 10, 2026 MT Matthew Tappin - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 655 $11.12 $7K
Mar 7, 2026 MT Matthew Tappin - Officer Option exercise Restricted Stock Unit 1,458 $0.00 -
Mar 7, 2026 SL Saul R. Laureles - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 2,916 - -
Mar 10, 2026 SL Saul R. Laureles - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 942 $11.12 $10K
Mar 7, 2026 SL Saul R. Laureles - Officer Option exercise Restricted Stock Unit 2,916 $0.00 -
Mar 7, 2026 MC Michael James Carlson - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 3,541 - -
Mar 10, 2026 MC Michael James Carlson - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 2,079 $11.12 $23K
Mar 7, 2026 AN Arun Narayanan - Officer Option exercise Restricted Stock Unit 12,500 $0.00 -
Mar 7, 2026 AN Arun Narayanan - Officer Option exercise Restricted Stock Unit 5,625 $0.00 -
Mar 7, 2026 AN Arun Narayanan - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 12,500 - -
Mar 7, 2026 AN Arun Narayanan - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 5,625 - -
Mar 10, 2026 AN Arun Narayanan - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 5,145 $11.12 $57K
Mar 3, 2026 SL Saul R. Laureles - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 292 $9.67 $3K
Mar 4, 2026 MT Matthew Tappin - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 185 $10.00 $2K
Mar 3, 2026 MT Matthew Tappin - Officer Open-market sale Common Stock, Par Value $0.0001 Per Share 300 $9.67 $3K
Feb 26, 2026 AN Arun Narayanan - Officer Grant or award Restricted Stock Unit 57,600 $0.00 -
Feb 26, 2026 AN Arun Narayanan - Officer Grant or award Performance Stock Unit 38,400 $0.00 -
Jan 27, 2025 AN Arun Narayanan - Officer Grant or award Performance Stock Unit 16,250 $0.00 -
Mar 1, 2026 SL Saul R. Laureles - Officer Option exercise Common Stock, Par Value $0.0001 Per Share 904 - -
Feb 26, 2026 SL Saul R. Laureles - Officer Grant or award Restricted Stock Unit 18,000 $0.00 -
Feb 26, 2026 SL Saul R. Laureles - Officer Grant or award Performance Stock Unit 12,000 $0.00 -
Mar 1, 2026 SL Saul R. Laureles - Officer Option exercise Restricted Stock Unit 904 $0.00 -
Feb 26, 2026 BM Brian Musfeldt - Officer Grant or award Restricted Stock Unit 25,800 $0.00 -
Feb 26, 2026 BM Brian Musfeldt - Officer Grant or award Performance Stock Unit 17,200 $0.00 -
SYN $ASUR
ASURE SOFTWARE INC