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Brian Musfeldt
Insider
First SEC filing: July 21, 2026 · Latest: July 21, 2026
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-6,086
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 20, 2026 | STEM | S | 996 | $6.11 | $6,086 | 2,379 Direct | -29.51% | Disposed | -21.9% (price as of 2026-10-06) |
| July 17, 2026 | STEM | M | 3,375 | · | · | 3,375 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| July 17, 2026 | STEM | M | 3,375 | $6.26 | $21,128 | 3,375 Direct | · | Acquired | -23.8% (price as of 2026-10-06) |
| Feb. 26, 2026 | STEM | A | 25,800 | · | · | 25,800 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 26, 2026 | STEM | A | 17,200 | · | · | 17,200 Direct | · | Acquired | (price as of 2026-10-06) |
| July 17, 2025 | STEM | A | 2,500 | · | · | 2,500 Direct | · | Acquired | (price as of 2026-10-06) |
| July 17, 2025 | STEM | A | 6,750 | · | · | 6,750 Direct | · | Acquired | (price as of 2026-10-06) |
| July 17, 2025 | STEM | A | 1,250 | · | · | 1,250 Direct | · | Acquired | (price as of 2026-10-06) |
| July 17, 2025 | STEM | A | 11,000 | · | · | 11,000 Direct | · | Acquired | (price as of 2026-10-06) |
| July 17, 2025 | STEM | A | 5,500 | · | · | 5,500 Direct | · | Acquired | (price as of 2026-10-06) |
| July 17, 2025 | STEM | A | 5,500 | · | · | 5,500 Direct | · | Acquired | (price as of 2026-10-06) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 17, 2026 | STEM | Performance Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 3,375 | Disposed |
| Feb. 26, 2026 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 25,800 | Acquired |
| Feb. 26, 2026 | STEM | Performance Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 17,200 | Acquired |
| July 17, 2025 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 2,500 | Acquired |
| July 17, 2025 | STEM | Performance Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 6,750 | Acquired |
| July 17, 2025 | STEM | Stock Option | Common Stock, Par Value $0.0001 Per Share | $9.27 | July 17, 2035 | 1,250 | Acquired |
| July 17, 2025 | STEM | Restricted Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 11,000 | Acquired |
| July 17, 2025 | STEM | Performance Stock Unit | Common Stock, Par Value $0.0001 Per Share | · | · | 5,500 | Acquired |
| July 17, 2025 | STEM | Stock Option | Common Stock, Par Value $0.0001 Per Share | $9.27 | July 17, 2035 | 5,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).