Welcome to our dedicated page for STEM SEC filings (Ticker: STEM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Stem, Inc. filings document the company’s clean energy software business, public-company governance and capital structure. Results-related 8-K reports furnish quarterly and annual operating updates, including software, services and edge hardware revenue, PowerTrack software activity, adjusted EBITDA measures and management guidance.
Other filings cover proxy matters, director elections, executive compensation, board and officer changes, independent auditor changes, an at-the-market common stock offering program, Regulation FD materials and securities-litigation status. These disclosures record governance controls, stockholder voting matters, common stock issuance capacity, risk-related events and formal updates tied to Stem’s energy storage and renewable asset software operations.
Stem, Inc. insider Brian Musfeldt filed to sell common stock through Fidelity Brokerage Services LLC. The notice covers up to 1,138 common shares, related to restricted stock vesting on August 7, 2026, with proposed sales beginning on August 10, 2026.
The filing also reports that Musfeldt previously sold 996 common shares on July 20, 2026 for an aggregate amount of $6,087.75.
Michael Carlson filed a notice of proposed sale of 3,673 shares of common stock of STEM through Fidelity Brokerage Services LLC on the NYSE. The shares relate to restricted stock vesting on 08/07/2026. Carlson also reports two prior sales in the past three months.
Stem, Inc. insider Saul Laureles filed a notice of intent to sell common stock. The planned transaction involves up to 1,841 common shares to be sold through Fidelity Brokerage Services LLC, following restricted stock vesting on August 7, 2026 as compensation. Over the prior three months, Laureles reported sales of 675 shares on July 2, 2026 for $5,231.18 and 1,277 shares on July 29, 2026 for $6,493.93.
Stem, Inc. insider Matthew Tappin filed a notice of proposed sale of 1,881 shares of common stock through Fidelity Brokerage Services LLC on July 29, 2026 on the NYSE, with an indicated value of $9,565.45.
The shares relate to restricted stock vesting from the issuer as compensation dated July 28, 2026. The filing also lists a prior sale of 996 common shares on July 2, 2026 for $7,718.90 during the preceding three months.
Stem, Inc. filed a Form 144 notice related to a proposed sale of common stock. The notice covers 2,548 shares of common stock to be sold through Fidelity Brokerage Services LLC on or after July 29, 2026 on the NYSE. These shares are tied to a restricted stock vesting from July 28, 2026 classified as compensation from the issuer. The filing also reports that 1,347 common shares were sold on July 2, 2026 for aggregate proceeds of $10,439.12 during the past three months.
STEM, Inc. filed a notice indicating that an affiliate plans to sell common stock through Fidelity Brokerage Services LLC on the NYSE. The filing covers 1,277 shares of common stock with an aggregate market value of $6,493.93, with an approximate sale date of July 29, 2026. The shares relate to restricted stock that vested on July 28, 2026 as compensation from the issuer. Over the prior three months, the reporting person sold 675 common shares for aggregate proceeds of $5,231.18 on July 2, 2026.
STEM, INC. Chief Financial Officer Brian Musfeldt reported performance-based equity activity and a related tax sale. On July 17, 2026, he exercised 3,375 Performance Stock Units, receiving 3,375 shares of common stock at $6.26 per share from a 2025 grant after a performance metric was achieved. The PSUs vested when the stock’s volume-weighted average price met or exceeded $17.60 for a 60-trading-day period within a performance period ending June 30, 2028. On July 20, 2026, 996 shares were sold at $6.11 per share solely to cover tax liabilities arising from the PSU settlement; this sell-to-cover transaction was described as non-discretionary.
STEM, INC. Chief Legal Officer Saul R. Laureles reported performance-based equity vesting and a related tax sale. On June 30, 2026, a total of 7,750 performance stock units converted into an equal number of common shares after the company met a stock price performance target. On July 2, 2026, 675 shares were automatically sold at $7.85 per share to cover tax liabilities, a non-discretionary “sell to cover” transaction. Following these transactions, Laureles directly holds 34,525 common shares.
STEM, INC. executive Matthew Tappin reported performance-based equity vesting and a small related share sale. On June 30, 2026, he exercised performance stock units to acquire 7,750 shares of common stock at a conversion price of $0.00 per share, tied to achieving a volume-weighted average price of $17.60 over a defined period. On July 2, 2026, 996 shares were sold at $7.85 per share to cover tax liabilities from this settlement, described as a non-discretionary “sell to cover” transaction. Following these transactions, he directly held 9,577 common shares.