Atomera CTO plans 5,367-share stock sale

Planned: CTO Robert Mears will sell 5,367 Atomera shares on 09/01/2026 via Morgan Stanley as a sell-to-cover move under the equity plan after vesting.

Rhea-AI Filing Summary

Atomera Inc (ATOM) received a Form 144 notice from Chief Technology Officer Robert Mears covering a planned sale of 5,367 shares of common stock on 09/01/2026, following the vesting of restricted stock. The shares are to be sold through Morgan Stanley Smith Barney LLC under the issuer’s equity compensation plan. Over the prior three months, Mears reported multiple sales of Atomera common stock, and the filing states these are non-discretionary “sell-to-cover” transactions executed under Rule 10b5-1 trading arrangements for tax or withholding purposes.

Key Figures

Shares to be sold: 5,367 shares of common stock Aggregate market value: $21,732.61 Prior sale on 06/08/2026: 37,156 shares for $306,817.94 +3 more

6 metrics

Shares to be sold 5,367 shares of common stock Planned sale related to vesting of restricted stock on 09/01/2026

Aggregate market value $21,732.61 Aggregate market value for 5,367 shares covered by the Form 144 notice

Prior sale on 06/08/2026 37,156 shares for $306,817.94 Common stock sold by Robert Mears during the past three months

Prior sale on 06/09/2026 18,012 shares for $157,605.00 Common stock sold by Robert Mears during the past three months

Prior sale on 06/15/2026 8,182 shares for $77,401.72 Common stock sold by Robert Mears during the past three months

Additional periodic sales 1,000 shares each on 07/01/2026, 08/03/2026, 09/01/2026 Common stock sales with proceeds of $8,400.00, $5,050.00, and $4,050.00 respectively

Key Terms

Rule 144, sell to cover, Rule 10b5-1(c)(1)(ii)(D)(3), Rule 10b5-1 trading arrangement, +1 more

5 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

sell to cover financial

"The shares are being sold pursuant to "sell to cover" transactions"

Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.

Rule 10b5-1(c)(1)(ii)(D)(3) regulatory

"non-discretionary "sell-to-cover transactions" pursuant to Rule 10b5-1(c)(1)(ii)(D)(3)"

Rule 10b5-1 trading arrangement regulatory

"each award is intended to operate as a "Rule 10b5-1 trading arrangement""

Item 408(a) of Regulation S-K regulatory

"as the term is defined in Item 408(a) of Regulation S-K."

FAQ

What does Atomera (ATOM) disclose in this Form 144 about Robert Mears’ planned share sale?

The notice states that CTO Robert Mears may sell 5,367 shares of Atomera common stock on 09/01/2026, tied to the vesting of restricted stock under the company’s equity compensation plan and executed through Morgan Stanley Smith Barney LLC.

How many Atomera (ATOM) shares has Robert Mears sold in the past three months?

The filing lists several sales, including 37,156 shares on 06/08/2026 for $306,817.94 and 18,012 shares on 06/09/2026 for $157,605.00, plus additional 8,182, 1,000, 1,000, and 1,000-share transactions on later dates.

What is the approximate aggregate market value of the Atomera (ATOM) shares covered by this Form 144?

For the 5,367 shares subject to the notice, the filing shows an aggregate market value of $21,732.61 as part of the Form 144 securities information section.

What triggers the Atomera (ATOM) shares being sold by Robert Mears under this Form 144?

The shares relate to the vesting of restricted stock on 09/01/2026, granted as part of Atomera’s equity compensation plan, and are associated with sell-to-cover provisions in the award agreements.

How are the Atomera (ATOM) Form 144 sales structured with respect to Rule 10b5-1?

Each compensatory equity award includes non-discretionary “sell-to-cover” transactions intended to qualify as Rule 10b5-1 trading arrangements under Rule 10b5-1(c)(1)(ii)(D)(3) and Item 408(a) of Regulation S-K.

Which broker is handling the Atomera (ATOM) Form 144 sale for Robert Mears?

The planned sale of 5,367 shares of Atomera common stock is listed as being handled through Morgan Stanley Smith Barney LLC Executive Financial Services in New York.

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

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Available on EDGAR 09/01/2026 - 07:29 PM Accepted by SEC EDGAR 09/01/2026 - 07:28 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001680617
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Atomera, Inc.
SEC File Number	001-37850
Address of Issuer	750 University Avenue, Suite 280 Los Gatos CALIFORNIA 95032
Phone	408-442-5248
Name of Person for Whose Account the Securities are To Be Sold	Robert Mears
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer-CTO

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	5367	21732.61	39024042	09/01/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/01/2026	Vesting of Restricted Stock	Issuer			5367	09/01/2026	Granted as part of issuer's equity compensation plan.

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Robert Mears 750 University Ave, Suite 280 Los Gatos CA 95032	Common	06/08/2026	37156	306817.94
Robert Mears 750 University Ave, Suite 280 Los Gatos CA 95032	Common	06/09/2026	18012	157605.00
Robert Mears 750 University Ave, Suite 280 Los Gatos CA 95032	Common	06/15/2026	8182	77401.72
Robert Mears 750 University Ave, Suite 280 Los Gatos CA 95032	Common	07/01/2026	1000	8400.00
Robert Mears 750 University Ave, Suite 280 Los Gatos CA 95032	Common	08/03/2026	1000	5050.00
Robert Mears 750 University Ave, Suite 280 Los Gatos CA 95032	Common	09/01/2026	1000	4050.00

144: Remarks and Signature

Remarks	The shares are being sold pursuant to "sell to cover" transactions under four separate compensatory equity awards with distinct grant dates of 2/23/23, 2/21/24, 2/19/25 and 3/2/26. Each award agreement includes a provision for non-discretionary "sell-to-cover transactions" pursuant to Rule 10b5-1(c)(1)(ii)(D)(3) under the Exchange Act and each award is intended to operate as a "Rule 10b5-1 trading arrangement" as the term is defined in Item 408(a) of Regulation S-K.
Date of Notice	09/01/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Robert Mears
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)