TAPPIN MATTHEW (President, Software Products) exercised options at STEM, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 3/2/2026ACC: 0001986259-26-000008
Officer· President, Software Products
Since Mar 2026
+43K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
4
Total transactions
43.67K acquired · 670.00 disposed
Non-Derivative Transactions1
Common Stock, Par Value $0.0001 Per Share
Direct
Shares
+670.00
Price / share
—
Trade value
—
% of position
30.0%
3/1/2026
2.24K→2.91K
Total
Net shares
+670.00
Net value
$0.00
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock, Par Value $0.0001 Per Share Direct | 3/1/2026 | M · Option Exercise | +670.00 | — | — | 30.0% | 2.24K | 2.91K |
| Total | +670.00 | $0.00 | ||||||
Derivative Transactions3
Restricted Stock Unit
Direct
Converts to
Common Stock, Par Value $0.0001 Per Share
25.80K shares
Shares
+25.80K
Strike price
Held after
25.80K
Exercisable
—
2/26/2026
Performance Stock Unit
Direct
Converts to
Common Stock, Par Value $0.0001 Per Share
17.20K shares
Shares
+17.20K
Strike price
Held after
17.20K
Exercisable
—
2/26/2026
Restricted Stock Unit
Direct
Converts to
Common Stock, Par Value $0.0001 Per Share
670.00 shares
Shares
−670.00
Strike price
Held after
0.00
Exercisable
—
3/1/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit Direct | Common Stock, Par Value $0.0001 Per Share25.80K shares | 2/26/2026 | A · Award | +25.80K | — | 25.80K | |
| Performance Stock Unit Direct | Common Stock, Par Value $0.0001 Per Share17.20K shares | 2/26/2026 | A · Award | +17.20K | — | 17.20K | |
| Restricted Stock Unit Direct | Common Stock, Par Value $0.0001 Per Share670.00 shares | 3/1/2026 | M · Option Exercise | −670.00 | — | 0.00 |