SEC Form 4 · accession 0002081813-26-000004
STEM, INC. · STEM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Brian Musfeldt
Officer — Chief Financial Officer
Period of report
Jul 17, 2026
Accepted (ET)
Jul 21, 2026 · 5:15 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001758766
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, Par Value $0.0001 Per Share | Jul 17, 2026 | M | 3,375 | $6.26 | A | 3,375 | D | |
| Common Stock, Par Value $0.0001 Per Share | Jul 20, 2026 | S | 996 | $6.11 | D | 2,379 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Performance Stock UnitF2,F3 | — | Jul 17, 2026 | M | 3,375 | D | — | — | Common Stock, Par Value $0.0001 Per Share | 3,375 | 3,375 | D |
Explanation of responses
- F1Represents shares of common stock automatically sold to cover the reporting person's tax liability in connection with the settlement of PSUs on July 17, 2026. This "sell to cover" transaction does not represent a discretionary trade by the reporting person.
- F2Each performance stock unit ("PSU") represented a contingent right to receive one share of the Issuer's common stock if the volume-weighted average price of the Issuer's common stock for any consecutive sixty (60) trading-day period equaled or exceeded $17.60 (the "Performance Metric") during a performance period ending on June 30, 2028 (the "Performance Period").
- F3On July 17, 2025, the Reporting Person was granted 6,750 PSUs, 3,375 of which vested on June 30, 2026 following the Issuer's achievement of the Performance Metric during the Performance Period.