Everspin director exercises options, sells 30K shares

EVERSPIN TECHNOLOGIES INC. director Darin G. Billerbeck reported an exercise-and-sell transaction in the company’s common stock.

Rhea-AI Filing Summary

EVERSPIN TECHNOLOGIES INC. director Darin G. Billerbeck reported an exercise-and-sell transaction in the company’s common stock. On May 11, 2026, he exercised nonqualified stock options for 30,000 shares at an exercise price of $8.52 per share, then sold 30,000 shares in an open-market sale at a weighted average price of $37.16 per share, with individual trades ranging from $36.80 to $37.40. After these transactions, he directly holds 124,073 shares of Everspin common stock, and the exercised option grant is fully vested and fully exercised.

Insider Trade Summary

Exercise and Sale: 30,000 shares ($859K approx. pre-tax spread)

Exercise and Sale 3 txns

Insider Billerbeck Darin G

Role Director

Sold 30,000 shs ($1.11M)

Approx. gross sale proceeds $1.11M

Approx. exercise cost $256K

Approx. pre-tax spread $859K

Type	Security	Shares	Price	Value
Exercise	Nonqualified Stock Option (Right to Buy)	30,000	$0.00	$0.00
Exercise	Common Stock	30,000	$8.52	$256K
Sale	Common Stock	30,000	$37.16	$1.11M

Holdings After Transaction: Nonqualified Stock Option (Right to Buy) — 0 contracts (Direct); Common Stock — 124,073 shares (Direct)

Footnotes (2)

1. F1. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $36.80 to $37.40 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
2. F2. Fully vested.

Key Figures

Shares sold: 30,000 shares Weighted average sale price: $37.16 per share Options exercised: 30,000 shares +3 more

6 metrics

Shares sold 30,000 shares Open-market sale of common stock on May 11, 2026

Weighted average sale price $37.16 per share Common stock sale, trades from $36.80 to $37.40

Options exercised 30,000 shares Nonqualified stock option exercise on May 11, 2026

Option exercise price $8.52 per share Conversion or exercise price of nonqualified stock option

Shares held after transaction 124,073 shares Direct ownership of Everspin common stock after transactions

Option expiration date August 19, 2028 Expiration date of exercised nonqualified stock option

Key Terms

open-market sale, Nonqualified Stock Option (Right to Buy), weighted average sale price, derivative security

4 terms

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Nonqualified Stock Option (Right to Buy) financial

"security_title: "Nonqualified Stock Option (Right to Buy)""

weighted average sale price financial

"The reported price in Column 4 is a weighted average sale price."

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.

FAQ

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

What insider transaction did Everspin (MRAM) director Darin G. Billerbeck report?

Darin G. Billerbeck reported an exercise-and-sell transaction in Everspin common stock. He exercised nonqualified stock options for 30,000 shares and sold 30,000 shares in an open-market transaction, all dated May 11, 2026, according to the Form 4 filing.

How many Everspin (MRAM) shares did Darin G. Billerbeck sell and at what price?

He sold 30,000 shares of Everspin common stock in an open-market sale. The reported weighted average sale price was $37.16 per share, with individual sale prices ranging from $36.80 to $37.40, as disclosed in the Form 4 footnote.

What stock options did Darin G. Billerbeck exercise in this Everspin (MRAM) Form 4?

He exercised a nonqualified stock option for 30,000 underlying shares of Everspin common stock. The option carried a conversion or exercise price of $8.52 per share and was described as fully vested at the time of exercise on May 11, 2026.

How many Everspin (MRAM) shares does Darin G. Billerbeck own after the reported transactions?

Following the May 11, 2026 transactions, Darin G. Billerbeck directly holds 124,073 shares of Everspin common stock. This post-transaction holding reflects the exercise of 30,000 options and the open-market sale of 30,000 shares reported in the Form 4.

What does the weighted average sale price mean in the Everspin (MRAM) Form 4?

The weighted average sale price of $37.16 means multiple trades occurred at different prices between $36.80 and $37.40. The figure represents a volume-weighted average. The filing notes that detailed trade-by-trade pricing is available from the reporting person upon request.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/13/2026 - 04:39 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^*

Billerbeck Darin G

(Last) (First) (Middle)

C/O EVERSPIN TECHNOLOGIES, INC.

5670 W. CHANDLER BLVD, STE 130

(Street)

CHANDLER ARIZONA 85226

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
EVERSPIN TECHNOLOGIES INC. [ MRAM ]

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)
05/11/2026

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	05/11/2026		M		30,000	A	$8.52	154,073	D
Common Stock	05/11/2026		S		30,000	D	$37.16(1)	124,073	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
Nonqualified Stock Option (Right to Buy)	$8.52	05/11/2026		M			30,000	(2)	08/19/2028	Common Stock	30,000	$0	0	D

Explanation of Responses:

1. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $36.80 to $37.40 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. Fully vested.

Remarks:

	/s/ Cesare Suardi, Attorney-in-Fact for Darin G. Billerbeck	05/13/2026
	** 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)