Brian Musfeldt

CIK: 0002081813

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (10.0%)

Position reduction

Option Exercises (M)1 (10.0%)

Derivative conversions

Awards (A)8 (80.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

STEM

STEM, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (10 total)

STEM
STEM, INC.
Jul 20, 2026
Sale(S)
Direct
996 shares at avg. $6.11$6K
STEM
STEM, INC.
Jul 17, 2026
Exercise(M)
Direct
3.4K shares at avg. $6.26$21K
STEM
STEM, INC.
Feb 26, 2026
Award(A)
Restricted Stock Unit
Direct
25.8K shares-
STEM
STEM, INC.
Feb 26, 2026
Award(A)
Performance Stock Unit
Direct
17.2K shares-
STEM
STEM, INC.
Jul 17, 2025
Award(A)
Performance Stock Unit
Direct
6.8K shares-
STEM
STEM, INC.
Jul 17, 2025
Award(A)
Restricted Stock Unit
Direct
2.5K shares-
STEM
STEM, INC.
Jul 17, 2025
Award(A)
Stock Option
Direct
1.3K shares-
STEM
STEM, INC.
Jul 17, 2025
Award(A)
Restricted Stock Unit
Direct
11K shares-
STEM
STEM, INC.
Jul 17, 2025
Award(A)
Performance Stock Unit
Direct
5.5K shares-
STEM
STEM, INC.
Jul 17, 2025
Award(A)
Stock Option
Direct
5.5K shares-

		Type	Shares	Price		Ownership
Jul 20, 2026	STEM STEM, INC.	Sale(S)	996	$6.11	$6,086	Direct
Jul 17, 2026	STEM STEM, INC.	Exercise(M)	3,375	$6.26	$21,128	Direct
Feb 26, 2026	STEM STEM, INC.	Award(A) Restricted Stock Unit	25,800	-	-	Direct
Feb 26, 2026	STEM STEM, INC.	Award(A) Performance Stock Unit	17,200	-	-	Direct
Jul 17, 2025	STEM STEM, INC.	Award(A) Performance Stock Unit	6,750	-	-	Direct
Jul 17, 2025	STEM STEM, INC.	Award(A) Restricted Stock Unit	2,500	-	-	Direct
Jul 17, 2025	STEM STEM, INC.	Award(A) Stock Option	1,250	-	-	Direct
Jul 17, 2025	STEM STEM, INC.	Award(A) Restricted Stock Unit	11,000	-	-	Direct
Jul 17, 2025	STEM STEM, INC.	Award(A) Performance Stock Unit	5,500	-	-	Direct
Jul 17, 2025	STEM STEM, INC.	Award(A) Stock Option	5,500	-	-	Direct

1-10 of 10 transactions

About Musfeldt Brian

Musfeldt Brian (SEC CIK 0002081813) files insider reports with the SEC as Chief Financial Officer of STEM, INC. (STEM).

Signal8 holds 5 ownership filings by Musfeldt Brian (1 Form 3, 4 Form 4), filed between Aug 19, 2025 and Jul 21, 2026. Those filings report 10 transactions, from Jul 17, 2025 to Jul 20, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Musfeldt Brian's filings is in HOUSTON, TX.

Recent filings by Musfeldt Brian

Jul 20, 2026: Open-market sale of STEM shares (Form 4, code S).
Jul 17, 2026: Option exercise of STEM shares (Form 4, code M).
Feb 26, 2026: Grants or awards of STEM derivative securities (2 lines, Form 4, code A).
Jul 17, 2025: Grants or awards of STEM derivative securities (6 lines, Form 4, code A).

Other insiders filing for STEM, INC. (STEM)

Carlson Michael James, President, Managed Services
BUZBY DAVID S, Director
Shivram Krishna, Director
Daley Adam, Director
Tammineedi Anil, Director
Guruswamy Vasudevan, Director

How to read Form 4 transaction codes