Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Tappin Matthew, President, Software Products. Insider active across 1 company, notably STEM, INC.. Aggregated, 14 reports have been published. Breakdown: 0 buy · 8 sells. Total volume traded: €145k. History available since 31 December 2023. The latest transaction was filed on 11 March 2026 (Cession). Regulator: SEC (Form 4). All data is openly available.
14,318 shares0Common Stock, Par Value $0.0001 Per ShareSEC:0001758766-24-000002:0
14 of 14 declarations
About Tappin Matthew
Matthew Tappin is the President of Software Products at Stem, Inc. As Chief Executive Officer, he leads the company's operations and strategy. His expertise in technology and software is essential for innovation and development at Stem.