Stem director exercises 7,486 RSUs into common stock

Stem, Inc. director Ira M. Birns reported the vesting and conversion of 7,486 Restricted Stock Units (RSUs) into an equal number of shares of common stock on August 7, 2026.

Rhea-AI Filing Summary

Stem, Inc. director Ira M. Birns reported the vesting and conversion of 7,486 Restricted Stock Units (RSUs) into an equal number of shares of common stock on August 7, 2026. The RSUs converted on a one-for-one basis into common shares. After this transaction, Birns holds 14,207 shares of common stock directly. The RSUs were originally granted on June 4, 2025 and vested 100% on August 7, 2026.

Insider Trade Summary

7,486 shares exercised/converted

Exercise 2 txns

Insider Birns Ira M

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit F1, F2	7,486	$0.00	$0.00
Exercise	Common Stock, Par Value $0.0001 Per Share F1	7,486	--	--

Holdings After Transaction: Restricted Stock Unit — 0 contracts (Direct); Common Stock, Par Value $0.0001 Per Share — 14,207 shares (Direct)

Footnotes (2)

1. F1. Each restricted stock unit ("RSU") converted into a share of common stock on a one-for-one basis.
2. F2. On June 4, 2025, the reporting person was granted 7,486 RSUs vesting 100% on August 7, 2026.

Key Figures

RSUs converted: 7,486 RSUs Common shares acquired: 7,486 shares Post-transaction holdings: 14,207 shares +2 more

5 metrics

RSUs converted 7,486 RSUs Restricted Stock Units converted into common stock on August 7, 2026

Common shares acquired 7,486 shares Shares of common stock received upon RSU conversion on August 7, 2026

Post-transaction holdings 14,207 shares Direct ownership of common stock by Ira M. Birns after the transactions

RSU grant date June 4, 2025 Date on which 7,486 RSUs were granted to the reporting person

RSU vesting date August 7, 2026 Date on which the 7,486 RSUs vested 100% and converted

Key Terms

Restricted Stock Unit, derivative security, par value

3 terms

Restricted Stock Unit financial

"Each restricted stock unit ("RSU") converted into a share of common stock"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

par value financial

"Common Stock, Par Value $0.0001 Per Share"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

FAQ

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

What insider transaction did STEM director Ira M. Birns report?

Ira M. Birns reported the vesting and conversion of 7,486 RSUs into 7,486 shares of common stock on August 7, 2026, resulting from a previously granted equity award.

How many STEM common shares does Ira M. Birns own after this Form 4?

Following the reported transactions, Ira M. Birns directly owns 14,207 shares of Stem, Inc. common stock. This reflects the addition of shares from the 7,486 RSUs that converted on August 7, 2026.

What was the size of the RSU award reported by STEM for Ira M. Birns?

The reported award consisted of 7,486 Restricted Stock Units (RSUs). Each RSU converted into one share of common stock, so 7,486 shares of Stem, Inc. common stock were issued upon vesting and conversion.

When did the RSUs granted to STEM director Ira M. Birns vest?

The 7,486 RSUs granted to Ira M. Birns on June 4, 2025 vested 100% on August 7, 2026. Upon vesting, each RSU converted into one share of common stock.

Did the Form 4 for STEM involve a market sale or purchase of shares?

The Form 4 reports exercise/conversion of RSUs into common stock, not an open-market sale or purchase. A derivative RSU position was disposed of and 7,486 common shares were acquired upon vesting.

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

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Accepted by SEC EDGAR 08/11/2026 - 09:21 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Birns Ira M

(Last) (First) (Middle)

1400 POST OAK BLVD

SUITE 560

(Street)

HOUSTON TEXAS 77056

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
STEM, INC. [ STEM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, Par Value $0.0001 Per Share	08/07/2026		M		7,486	A	(1)	14,207	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	$0(1)	08/07/2026		M			7,486	(2)	(2)	Common Stock, Par Value $0.0001 Per Share	7,486	$0	0	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") converted into a share of common stock on a one-for-one basis.

2. On June 4, 2025, the reporting person was granted 7,486 RSUs vesting 100% on August 7, 2026.

Remarks:

	/s/ Sarah Dunn, attorney-in-fact	08/11/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)