Michael James Carlson - 26 Sep 2026 Form 4 Insider Report for STEM, INC. (STEM)

Reporting relationship: President, Managed Services
Issuer ticker: STEM
Reported as of: 26 Sep 2026
Net transaction value: -$682
SEC form: 4
Accepted by SEC: 29 Sep 2026, 21:07:48 UTC
Prior SEC filing: 02 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Sarah Dunn, attorney-in-fact

Key filing fact

Michael James Carlson filed Form 4 for STEM, INC. (STEM) on 29 Sep 2026.

Key facts

This page summarizes Michael James Carlson's Form 4 filing for STEM, INC. (STEM).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 29 Sep 2026, 21:07.

Change

Previous filing in this sequence was filed on 02 Jul 2026.
Current net transaction value: -$682.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001948274 Primary reporting owner

Carlson Michael James

Relationship: President, Managed Services
Address: 1400 POST OAK BOULEVARD, SUITE 560, HOUSTON
Signature: /s/ Sarah Dunn, attorney-in-fact
Signature date: 29 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

STEM transaction

Common Stock, Par Value $0.0001 Per Share

Options Exercise

Transaction value
Shares: +305
Change %: +1.2%
Price: $4.48^*
Shares after: 26,166
Date: 26 Sep 2026
Ownership: Direct

STEM transaction

Common Stock, Par Value $0.0001 Per Share

Sale

Transaction value: $682
Shares: -146
Change %: -0.56%
Price: $4.67
Shares after: 26,020
Date: 29 Sep 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

STEM transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
Shares: -305
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 26 Sep 2026
Ownership: Direct
Underlying class: Common Stock, Par Value $0.0001 Per Share
Underlying amount: 305
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents shares of common stock automatically sold to cover the reporting person's tax liability in connection with the vesting of RSUs on September 26, 2026. This "sell to cover" transaction does not represent a discretionary trade by the reporting person.

Footnote F2

Each restricted stock unit ("RSU") represents the contingent right to receive one share of the Issuer's common stock.

Footnote F3

On September 26, 2022, the Reporting Person was granted 1,217 RSUs vesting in four equal annual installments, the fourth of which vested on September 26, 2026.