STOCK TITAN

Atomera (ATOM) CTO uses 10b5-1 plan to exercise options and sell shares

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Atomera Inc Chief Technology Officer Robert J. Mears reported a series of option exercises and open-market share sales in Atomera common stock. On June 8–9, 2026, he exercised options to acquire a total of 48,115 shares at exercise prices of $7.01 and $7.65 per share, then sold 55,168 shares in multiple open-market transactions at prices between $8.20 and $8.75 per share. The filing notes that both the option exercises and the sales were carried out under a pre-arranged Rule 10b5-1 trading plan, indicating these trades were scheduled in advance rather than timed discretionarily.

Positive

  • None.

Negative

  • None.

Insights

Routine option exercises paired with pre-planned sales under a 10b5-1 plan.

CTO Robert J. Mears exercised stock options to acquire 48,115 Atomera shares at exercise prices of $7.01 and $7.65, then sold 55,168 shares in open-market trades priced between $8.20 and $8.75.

The filing’s footnotes state that both the option exercises and the sales were executed pursuant to a Rule 10b5-1 trading plan. Such plans are established in advance, so the timing of these trades is typically viewed as routine rather than a reaction to new information.

The transactions result in a modest net reduction in Mears’ shareholdings but are relatively small compared with the six-figure share balances shown in the filing. With no remaining derivative positions listed, this appears to be an exercise-and-sell pattern from previously reported options.

Insider Mears Robert J
Role Chief Technology Officer
Sold 55,168 shs ($464K)
Type Security Shares Price Value
Exercise Incentive Stock Option (right to buy) 10,000 $0.00 --
Exercise Non-Qualified Stock Option (right to buy) 10,000 $0.00 --
Exercise Common Stock 10,000 $7.01 $70K
Sale Common Stock 10,000 $8.75 $88K
Exercise Common Stock 10,000 $7.01 $70K
Sale Common Stock 8,012 $8.75 $70K
Exercise Incentive Stock Option (right to buy) 10,000 $0.00 --
Exercise Incentive Stock Option (right to buy) 8,115 $0.00 --
Exercise Non-Qualified Stock Option (right to buy) 10,000 $0.00 --
Exercise Common Stock 10,000 $7.01 $70K
Sale Common Stock 10,000 $8.20 $82K
Exercise Common Stock 10,000 $7.01 $70K
Sale Common Stock 8,863 $8.20 $73K
Exercise Common Stock 8,115 $7.65 $62K
Sale Common Stock 7,313 $8.50 $62K
Sale Common Stock 9,980 $8.20 $82K
Sale Common Stock 1,000 $8.20 $8K
holding Common Stock -- -- --
Holdings After Transaction: Incentive Stock Option (right to buy) — 18,465 shares (Direct, null); Non-Qualified Stock Option (right to buy) — 32,378 shares (Direct, null); Common Stock — 278,909 shares (Direct, null); Common Stock — 2,666 shares (Indirect, by Spouse)
Footnotes (1)
  1. The option exercise reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person and exercised from a previously reported total. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
Shares sold 55,168 shares Total open-market sales reported in Form 4
Shares acquired via option exercise 48,115 shares Total shares from option exercises reported
Sale prices $8.20–$8.75 per share Range of common stock sale prices on June 8–9, 2026
Option exercise prices $7.01 and $7.65 per share Exercise prices for non-qualified and incentive stock options
Direct holdings after one sale 270,897 shares Total shares following a June 9, 2026 sale line
Indirect holdings by spouse 2,666 shares Common stock held indirectly, reported as by spouse
Rule 10b5-1 trading plan regulatory
"The option exercise reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Non-Qualified Stock Option financial
"Non-Qualified Stock Option (right to buy)"
A non-qualified stock option (NSO) is a contract that lets an employee or service provider buy company shares at a fixed price for a set period, like a voucher to purchase stock later at today’s price. It matters to investors because exercising NSOs creates ordinary income for the holder and can increase share count, affecting a company’s earnings and ownership mix; think of it as a future sale that can dilute existing shareholders and has immediate tax consequences for the recipient.
Incentive Stock Option financial
"Incentive Stock Option (right to buy)"
An incentive stock option is a type of employee benefit that gives a worker the right to buy company shares at a fixed price, with special tax advantages if the employee holds the shares for a required period. Think of it as a coupon to buy future shares at today’s price that can result in lower tax on the gain. Investors care because ISOs can dilute share count, align staff incentives with the stock price, and affect company compensation costs and the timing of potential share sales.
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.
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.
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SEC Form 4
FORM 4UNITED 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).
X
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*
Mears Robert J

(Last)(First)(Middle)
C/O ATOMERA, INC.
750 UNIVERSITY AVENUE, SUITE 280

(Street)
LOS GATOS CALIFORNIA 95032

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Atomera Inc [ ATOM ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Technology Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/08/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/08/2026M10,000(1)A$7.01287,950D
Common Stock06/08/2026S10,000(1)D$8.2277,950D
Common Stock06/08/2026M10,000(1)A$7.01287,950D
Common Stock06/08/2026S8,863(1)D$8.2279,087D
Common Stock06/08/2026M8,115(1)A$7.65287,202D
Common Stock06/08/2026S7,313(1)D$8.5279,889D
Common Stock06/08/2026S9,980(2)D$8.2269,909D
Common Stock06/08/2026S1,000(2)D$8.2268,909D
Common Stock06/09/2026M10,000(1)A$7.01278,909D
Common Stock06/09/2026S10,000(1)D$8.75268,909D
Common Stock06/09/2026M10,000(1)A$7.01278,909D
Common Stock06/09/2026S8,012(1)D$8.75270,897D
Common Stock2,666Iby Spouse
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Incentive Stock Option (right to buy)$7.0106/08/2026M10,000(1)09/01/201703/20/2027Common Stock10,000$028,465D
Incentive Stock Option (right to buy)$7.0106/09/2026M10,000(1)09/01/201703/20/2027Common Stock10,000$018,465D
Incentive Stock Option (right to buy)$7.6506/08/2026M8,115(1)11/12/201610/12/2026Common Stock8,115$010,000D
Non-Qualified Stock Option (right to buy)$7.0106/08/2026M10,000(1)09/01/201703/20/2027Common Stock10,000$042,378D
Non-Qualified Stock Option (right to buy)$7.0106/09/2026M10,000(1)09/01/201703/20/2027Common Stock10,000$032,378D
Explanation of Responses:
1. The option exercise reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person and exercised from a previously reported total.
2. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
By: Mindi Zimmer, as Attorney-in-Fact For: Robert J. Mears06/10/2026
** Signature of Reporting PersonDate
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)

FAQ

What insider transactions did Atomera (ATOM) CTO Robert Mears report?

Robert Mears reported exercising stock options for 48,115 Atomera shares and selling 55,168 shares in open-market trades. The sales occurred at prices between $8.20 and $8.75 per share over June 8–9, 2026, according to the Form 4 filing.

Were Atomera (ATOM) CTO Robert Mears’ share sales pre-planned under a Rule 10b5-1 plan?

Yes. The Form 4 footnotes state that both the option exercises and the stock sales were conducted under a Rule 10b5-1 trading plan. These pre-arranged plans schedule trades in advance, reducing the significance of short-term timing decisions.

How many Atomera (ATOM) shares did the CTO sell and at what prices?

The Form 4 shows Robert Mears sold 55,168 Atomera common shares in several open-market transactions. Reported sale prices ranged from $8.20 to $8.75 per share during trades on June 8 and June 9, 2026.

What stock options did Atomera (ATOM) CTO Robert Mears exercise in this filing?

Mears exercised options covering 48,115 Atomera common shares. The exercises included non-qualified and incentive stock options with exercise prices of $7.01 and $7.65 per share, originally granted in 2016–2017, according to the option details in the Form 4.

Does Atomera (ATOM) CTO Robert Mears still hold shares after these transactions?

Yes. Individual transaction lines in the Form 4 show continuing direct ownership in Atomera common stock, including a line with 270,897 shares after a sale, plus 2,666 shares held indirectly through his spouse, indicating an ongoing equity stake.

What does a Rule 10b5-1 trading plan mean for Atomera (ATOM) insider trades?

A Rule 10b5-1 trading plan allows insiders to pre-schedule trades when they are not aware of material nonpublic information. For Atomera, the filing notes Mears’ exercises and sales followed such a plan, suggesting routine portfolio management rather than opportunistic timing.