Michael Osterer

CIK: 0001749759

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (50.0%)

Derivative conversions

Awards (A)2 (50.0%)

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)

ACFN

ACORN ENERGY, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (4 total)

ACFN
ACORN ENERGY, INC.
Feb 5, 2026
Exercise(M)
Direct
625 shares at avg. $4.96$3K
ACFN
ACORN ENERGY, INC.
Jan 19, 2026
Award(A)
stock options
Direct
3.1K shares-
ACFN
ACORN ENERGY, INC.
Aug 4, 2025
Exercise(M)
Direct
1.6K shares at avg. $5.44$8K
ACFN
ACORN ENERGY, INC.
Jan 1, 2025
Award(A)
stock options
Direct
625 shares-

		Type	Shares	Price		Ownership
Feb 5, 2026	ACFN ACORN ENERGY, INC.	Exercise(M)	625	$4.96	$3,100	Direct
Jan 19, 2026	ACFN ACORN ENERGY, INC.	Award(A) stock options	3,125	-	-	Direct
Aug 4, 2025	ACFN ACORN ENERGY, INC.	Exercise(M)	1,562	$5.44	$8,497	Direct
Jan 1, 2025	ACFN ACORN ENERGY, INC.	Award(A) stock options	625	-	-	Direct

1-4 of 4 transactions

About Osterer Michael

Osterer Michael (SEC CIK 0001749759) files insider reports with the SEC as Director of ACORN ENERGY, INC. (ACFN).

Signal8 holds 4 ownership filings by Osterer Michael, all Form 4s, filed between Jan 3, 2025 and Feb 9, 2026. Those filings report 4 transactions, from Jan 1, 2025 to Feb 5, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Osterer Michael's filings is in WILMINGTON, DE.

Recent filings by Osterer Michael

Feb 5, 2026: Option exercise of ACFN shares (Form 4, code M).
Jan 19, 2026: Grant or award of ACFN derivative securities (Form 4, code A).
Aug 4, 2025: Option exercise of ACFN shares (Form 4, code M).
Jan 1, 2025: Grant or award of ACFN derivative securities (Form 4, code A).

Other insiders filing for ACORN ENERGY, INC. (ACFN)

Clifford Tracy Simmons, Chief Financial Officer
ZENTMAN SAMUEL M, Director
Mohr Gary, Director
Rabover Peter, Director
LOEB JAN H, President and CEO

How to read Form 4 transaction codes