Form 4 for STEM STEM, INC.
Accepted 2026-03-10 00:00:00 ET · period of report 2026-03-07 · accession 0001986259-26-000012 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-03-10 | 2026-03-07 | STEM | Tappin Matthew | Pres, Software Products | M - OptEx | — | +1,458 | 3,880 | +60% | — |
| D | 2026-03-10 | 2026-03-10 | STEM | Tappin Matthew | Pres, Software Products | S - Sale+OE | $11.12 | -655 | 3,225 | -17% | -$7,284 |
| D | 2026-03-10 | 2026-03-07 | STEM | Tappin Matthew | Pres, Software Products | M - OptEx | $0.00 | -1,458 | 1,459 | -50% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock, Par Value $0.0001 Per Share | 2026-03-07 | M | A | 1,458 | — | 3,880 | D | — | — | (F1) Each restricted stock unit ("RSU") converted into a share of common stock on a one-for-one basis. |
| 2 | Common | Common Stock, Par Value $0.0001 Per Share | 2026-03-10 | S | D | 655 | $11.12 | 3,225 | D | — | — | |
| 3 | Derivative | Restricted Stock Unit | 2026-03-07 | M | D | 1,458 | $0.00 | 1,459 | D | — · — to — | 1,458 Common Stock, Par Value $0.0001 Per Share | (F1) Each restricted stock unit ("RSU") converted into a share of common stock on a one-for-one basis. (F3) On May 28, 2024, the reporting person was granted 4,375 RSUs vesting in three near equal annual installments, the second of which vested on March 7, 2026. |