TAPPIN MATTHEW

PrivateCIK: 1986259
Location

SAN FRANCISCO, CA

TAPPIN MATTHEW (President, Software Products) sold 9.4% of their position (996.00 shares) of STEM, INC. on the open market

Open‑market sale worth $7.8K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderTAPPIN MATTHEWCIK 1986259
IssuerSTEM, INC.CIK 1758766
Officer· President, Software Products
Since Mar 2026
-996.00
Net shares
Net seller
$7.8K
Total sold
1
Open market trades
0B · 1S
5
Total transactions
7.75K acquired · 8.75K disposed
Non-Derivative Transactions3

Common Stock, Par Value $0.0001 Per Share

Direct
M · Option Exercise

Shares

+5K

Price / share

$7.81

Trade value

$39.05K

% of position

177.1%
6/30/2026
2.82K7.82K

Common Stock, Par Value $0.0001 Per Share

Direct
M · Option Exercise

Shares

+2.75K

Price / share

$7.81

Trade value

$21.48K

% of position

35.2%
6/30/2026
7.82K10.57K

Common Stock, Par Value $0.0001 Per Share

Direct
S · Sale

Shares

996.00

Price / share

$7.85

Trade value

$7.82K

% of position

9.4%
7/2/2026
10.57K9.58K
Total

Net shares

+6.75K

Net value

$52.71K

Derivative Transactions2

Performance Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock, Par Value $0.0001 Per Share

2.75K shares

Shares

2.75K

Strike price

Held after

2.75K

Exercisable

6/30/2026

Performance Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock, Par Value $0.0001 Per Share

5K shares

Shares

5K

Strike price

Held after

5K

Exercisable

6/30/2026