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: BIBAUD SCOTT A. (Director, CEO and President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-02	Common Stock	A	62022	$0.00	Acquired	533750	Direct
2026-03-02	Common Stock	A	124044	$0.00	Acquired	657794	Direct
2026-03-02	Common Stock	A	62022	$0.00	Acquired	719816	Direct
2026-03-02	Common Stock	S	1976	$4.95	Disposed	717840	Direct
2026-03-02	Common Stock	S	4935	$4.95	Disposed	712905	Direct
2026-03-02	Common Stock	S	991	$4.95	Disposed	711914	Direct
2026-03-02	Common Stock	S	2173	$4.95	Disposed	709741	Direct

Footnotes

F1: 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.

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, 2028 with vesting on March 1, 2029.

F4: 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.