STEM Form 144: Proposed Resale of 366 Common Shares

STEM submitted a Form 144 reporting the proposed resale of 366 shares of common stock following a restricted stock vesting event dated 02/15/2026.

Rhea-AI Filing Summary

STEM submitted a Form 144 reporting the proposed resale of 366 shares of common stock following a restricted stock vesting event dated 02/15/2026. The filing lists Fidelity Brokerage Services LLC and records a prior sale by Matthew Tappin of 522 shares on 02/19/2026 for $5,847.50.

Insights

Securities Compliance Attorney

Form 144 notices a proposed resale of vested shares and records a recent small sale by an affiliate.

This Form 144 lists the proposed resale of 366 shares tied to a restricted stock vesting dated 02/15/2026. The filing names Fidelity Brokerage Services LLC as the broker-dealer.

It also documents a prior disposition by Matthew Tappin of 522 shares on 02/19/2026 for $5,847.50. Timing and purchaser details beyond these entries are not provided in the excerpt.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does STEM's Form 144 report?

It reports a proposed resale of 366 common shares tied to restricted stock vesting on 02/15/2026. The form also records a recent sale of 522 shares by Matthew Tappin on 02/19/2026 for $5,847.50.

Who is the broker-dealer listed on the STEM Form 144?

The filing names Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI. That broker-dealer is identified in the securities table associated with the proposed resale entry dated 02/20/2026.

What triggered the 366 shares being offered for resale in the STEM filing?

The excerpt ties the 366 shares to a restricted stock vesting event dated 02/15/2026. The filing labels the source of those securities as Compensation from the issuer.

How much did Matthew Tappin receive for his recent sale noted in the filing?

The excerpt shows Matthew Tappin sold 522 shares on 02/19/2026 for aggregate proceeds of $5,847.50. No further transaction details are provided in the excerpt.

Does the Form 144 disclose who will buy the offered shares?

No. The provided excerpt lists the proposed resale quantity and broker-dealer but does not identify any purchaser or the specific sale method for the 366 shares dated 02/15/2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/20/2026 - 10:30 AM EST Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001986259
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	STEM, INC.
SEC File Number	001-39455
Address of Issuer	1400 POST OAK BOULEVARD, SUITE 560 HOUSTON TEXAS 77056
Phone	877-374-7836
Name of Person for Whose Account the Securities are To Be Sold	Tappin Matthew
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	366	4172.40	8390208	02/20/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/15/2026	Restricted Stock Vesting	Issuer			366	02/15/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Matthew Tappin 1400 Post Oak Boulevard Suite 560 Houston TX 77056	Common	02/19/2026	522	5847.50

144: Remarks and Signature

Remarks
Date of Notice	02/20/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/18/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Matthew Tappin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)