Atomera Inc — Director's Dealing 2026

Mar 4, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Atomera Inc (ATOM)
CIK: 0001420520
Period of Report: 2026-03-02

Reporting Person: Mears Robert J (Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-02	Common Stock	S	426	$4.95	Disposed	172452	Direct
2026-03-02	Common Stock	S	863	$4.95	Disposed	171589	Direct
2026-03-02	Common Stock	S	995	$4.95	Disposed	170594	Direct
2026-03-02	Common Stock	S	1695	$4.95	Disposed	168899	Direct
2026-03-02	Common Stock	A	57252	$0.00	Acquired	226151	Direct
2026-03-02	Common Stock	A	28626	$0.00	Acquired	254777	Direct
2026-03-02	Common Stock	A	28626	$0.00	Acquired	283403	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2666	Indirect

Footnotes

F1: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock grants that were previously reported. This sale is to satisfy mandatory non-discretionary tax withholding obligations by a "sell to cover" transaction pursuant to Rule 10b5-1(c)(1)(ii)(D)(3) under the Exchange Act.

F2: Each restricted stock unit represents a contingent right to receive one share of common stock of which 8.33% shall vest each quarter for the next 36 months commencing on June 1, 2026.

F3: Each performance stock unit represents a contingent right to receive one share of common stock subject to achieving certain performance criteria. The performance period is January 1, 2026 through December 31, 2027 with vesting on March 1, 2028.

F4: Each performance stock unit represents a contingent right to receive one share of common stock subject to achieving certain performance criteria. The performance period is January 1, 2026 through December 31, 2028 with vesting on March 1, 2029.