Robert J. Mears - 01 Sep 2026 Form 4 Insider Report for Atomera Inc (ATOM)

Reporting relationship: Chief Technology Officer
Issuer ticker: ATOM
Reported as of: 01 Sep 2026
Net transaction value: -$50,214
SEC form: 4
Accepted by SEC: 03 Sep 2026, 16:03:04 UTC
Prior SEC filing: 04 Aug 2026
Source filing: View source filing
Reporting owner signature: By: Mindi Zimmer, as Attorney-in-Fact For: Robert J. Mears

Key filing fact

Robert J. Mears filed Form 4 for Atomera Inc (ATOM) on 03 Sep 2026.

Key facts

This page summarizes Robert J. Mears's Form 4 filing for Atomera Inc (ATOM).
6 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Sep 2026, 16:03.

Change

Previous filing in this sequence was filed on 04 Aug 2026.
Current net transaction value: -$50,214.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001680617 Primary reporting owner

Mears Robert J

Relationship: Chief Technology Officer
Address: C/O ATOMERA, INC., 750 UNIVERSITY AVENUE, SUITE 280, LOS GATOS
Signature: By: Mindi Zimmer, as Attorney-in-Fact For: Robert J. Mears
Signature date: 03 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ATOM transaction

Common Stock

Sale

Transaction value: $4,050
Shares: -1,000
Change %: -0.37%
Price: $4.05
Shares after: 269,715
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F1

ATOM transaction

Common Stock

Sale

Transaction value: $8,878
Shares: -2,192
Change %: -0.81%
Price: $4.05
Shares after: 267,523
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F2

ATOM transaction

Common Stock

Sale

Transaction value: $3,600
Shares: -889
Change %: -0.33%
Price: $4.05
Shares after: 266,634
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F2

ATOM transaction

Common Stock

Sale

Transaction value: $6,136
Shares: -1,515
Change %: -0.57%
Price: $4.05
Shares after: 265,119
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F2

ATOM transaction

Common Stock

Sale

Transaction value: $3,123
Shares: -771
Change %: -0.29%
Price: $4.05
Shares after: 264,348
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F2

ATOM transaction

Common Stock

Sale

Transaction value: $24,427
Shares: -6,312
Change %: -2.4%
Price: $3.87
Shares after: 258,036
Date: 02 Sep 2026
Ownership: Direct
Footnotes: F1

ATOM holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,666
Date: 01 Sep 2026
Ownership: By Spouse

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

Footnote F2

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.