STEM (STEM) insider Michael Carlson files to sell 3,673 vested shares

Rhea-AI Filing Summary

Michael Carlson filed a notice of proposed sale of 3,673 shares of common stock of STEM through Fidelity Brokerage Services LLC on the NYSE. The shares relate to restricted stock vesting on 08/07/2026. Carlson also reports two prior sales in the past three months.

Key Figures

Proposed shares to be sold: 3,673 shares Estimated value of proposed sale: $20,018.22 Shares sold on 07/02/2026: 1,347 shares +3 more

6 metrics

Proposed shares to be sold 3,673 shares Planned sale of STEM common stock reported by Michael Carlson

Estimated value of proposed sale $20,018.22 Aggregate value for 3,673 STEM common shares

Shares sold on 07/02/2026 1,347 shares Common stock sale disclosed for prior 3 months

Proceeds on 07/02/2026 $10,439.12 Value of 1,347 STEM common shares sold

Shares sold on 07/29/2026 2,548 shares Second common stock sale disclosed

Proceeds on 07/29/2026 $12,957.34 Value of 2,548 STEM common shares sold

Key Terms

Form 144, Restricted Stock Vesting, Fidelity Brokerage Services LLC

3 terms

Form 144 regulatory

"Filer Information | | | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Common | 08/07/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Fidelity Brokerage Services LLC financial

"Common | Fidelity Brokerage Services LLC 900 Salem Street"

FAQ

What does STEM’s Form 144 filed by Michael Carlson report?

It reports a proposed sale of 3,673 shares of common stock of STEM following restricted stock vesting on 08/07/2026, along with disclosure of two earlier stock sales during the prior three months.

How many STEM (STEM) shares is Michael Carlson proposing to sell?

Michael Carlson is proposing to sell 3,673 shares of common stock. The planned sale is associated with restricted stock vesting and is to be executed through Fidelity Brokerage Services LLC.

What prior STEM (STEM) stock sales are disclosed in this Form 144?

The filing lists sales of 1,347 shares for $10,439.12 on 07/02/2026 and 2,548 shares for $12,957.34 on 07/29/2026, both involving STEM common stock held by Michael Carlson.

What is the approximate dollar value of the proposed STEM share sale?

The proposed sale of 3,673 common shares has a listed value of about $20,018.22. This amount reflects the estimated aggregate value reported in the Form 144 securities information section.

Which broker is handling Michael Carlson’s proposed STEM (STEM) share sale?

The proposed sale of 3,673 STEM common shares is to be handled by Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917, according to the Form 144 disclosure.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 08/10/2026 - 04:12 PM Accepted by SEC EDGAR 08/10/2026 - 04:11 PM 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
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	3673	20018.22	8956953	08/10/2026	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	08/07/2026	Restricted Stock Vesting	Issuer			3673	08/07/2026	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
Michael Carlson 1400 Post Oak Boulevard Suite 560 Houston TX 77056	Common	07/02/2026	1347	10439.12
Michael Carlson 1400 Post Oak Boulevard Suite 560 Houston TX 77056	Common	07/29/2026	2548	12957.34

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)