Darin G. Billerbeck

CIK: 0001388177

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (33.3%)

Position reduction

Option Exercises (M)2 (33.3%)

Derivative conversions

Awards (A)2 (33.3%)

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)

MRAM

EVERSPIN TECHNOLOGIES INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

MRAM
EVERSPIN TECHNOLOGIES INC.
May 21, 2026
Award(A)
Direct
3.9K shares-
MRAM
EVERSPIN TECHNOLOGIES INC.
May 11, 2026
Exercise(M)
Direct
30K shares at avg. $8.52$256K
MRAM
EVERSPIN TECHNOLOGIES INC.
May 11, 2026
Sale(S)
Direct
30K shares at avg. $37.16$1.1M
MRAM
EVERSPIN TECHNOLOGIES INC.
Nov 10, 2025
Exercise(M)
Direct
12K shares at avg. $7.20$86K
MRAM
EVERSPIN TECHNOLOGIES INC.
Nov 10, 2025
Sale(S)
Direct
12K shares at avg. $9.42$113K
MRAM
EVERSPIN TECHNOLOGIES INC.
May 22, 2025
Award(A)
Direct
20.3K shares-

		Type	Shares	Price		Ownership
May 21, 2026	MRAM EVERSPIN TECHNOLOGIES INC.	Award(A)	3,852	-	$0	Direct
May 11, 2026	MRAM EVERSPIN TECHNOLOGIES INC.	Exercise(M)	30,000	$8.52	$255,600	Direct
May 11, 2026	MRAM EVERSPIN TECHNOLOGIES INC.	Sale(S)	30,000	$37.16	$1,114,800	Direct
Nov 10, 2025	MRAM EVERSPIN TECHNOLOGIES INC.	Exercise(M)	12,000	$7.20	$86,400	Direct
Nov 10, 2025	MRAM EVERSPIN TECHNOLOGIES INC.	Sale(S)	12,000	$9.42	$113,040	Direct
May 22, 2025	MRAM EVERSPIN TECHNOLOGIES INC.	Award(A)	20,325	-	-	Direct

1-6 of 6 transactions

About Billerbeck Darin G

Billerbeck Darin G (SEC CIK 0001388177) files insider reports with the SEC as Director of EVERSPIN TECHNOLOGIES INC. (MRAM).

Signal8 holds 4 ownership filings by Billerbeck Darin G, all Form 4s, filed between May 27, 2025 and May 22, 2026. Those filings report 6 transactions, from May 22, 2025 to May 21, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Billerbeck Darin G's filings is in CHANDLER, AZ.

Recent filings by Billerbeck Darin G

May 21, 2026: Grant or award of MRAM shares (Form 4, code A).
May 11, 2026: Option exercise of MRAM shares (Form 4, code M).
May 11, 2026: Open-market sale of MRAM shares (Form 4, code S).
Nov 10, 2025: Option exercise of MRAM shares (Form 4, code M).
Nov 10, 2025: Open-market sale of MRAM shares (Form 4, code S).

Other insiders filing for EVERSPIN TECHNOLOGIES INC. (MRAM)

Aggarwal Sanjeev, President and CEO
Cooper William Earl, Chief Financial Officer
Dougherty Sean Michael, Vice President, Sales
Choudhary Vikas, Director
FINCH LAWRENCE G, Director
RIBAR GEOFFREY G, Director

How to read Form 4 transaction codes