Information Technology · Semiconductors & Related Devices

ATOM Atomera Inc SEC Filings & Insider Trading Activity 2026

company
CIK 142052081 filings
Russell 2000

ATOM at a glance

Atomera Inc (ATOM, SEC CIK 1420520) filed its latest 10-K annual report on February 24, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on August 4, 2026 and Form 4 insider filings as recently as September 3, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), Atomera Inc (ATOM) reported revenue of $65,000 (down 51.9% from FY2024) and a net loss of $20.2 million. Diluted EPS was -$0.65.
  • As of June 30, 2026, 21 institutional investment managers tracked by SignalX reported holding Atomera Inc (ATOM) shares worth $88.7 million in 13F-HR filings.
  • The most recent insider open-market sale reported on Form 4 was by Mears Robert J on September 2, 2026 of 6,312 shares at $3.87 per share.
  • In the last 90 days, ATOM insiders reported 0 open-market purchases ($0) and 15 open-market sales ($137K) on Form 4, a net sale of $137K.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$65K
−51.9% vs prior year
Insiders · 90 days
0 buys · 15 sells
Net −$137K
13F holders
21 funds
$88.7M · +0 vs prior quarter
Latest 8-K
Aug 4, 2026
Item 2.02

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Management Discussion & Analysis

  • Revenue $158,000, up from $0 YoY, entirely from MST wafer engineering services
  • Operating loss $6.8 million versus $5.3 million YoY, with operating margin -4,305% versus unfavorable prior-year margin
  • Engineering services best-performing line at $158,000; MSTcad licensing worst at $0 versus $4,000 YoY
  • Cash, equivalents and short-term investments $38.4 million; operating cash use $8.5 million versus $8.3 million YoY
  • Capital deployment included $23.1 million short-term investment purchases and $27.6 million financing proceeds
  • Management expects liquidity for at least 12 months; headwinds include commercialization risk and potential additional capital needs

Risk Factors

  • No material changes to primary risk factors from the December 31, 2025 Form 10-K
  • No new director or officer Rule 10b5-1 trading arrangements during quarter ended June 30, 2026
  • No updated regulatory, legal, operational, competitive, market, or financial risks disclosed in provided section

AI summary of the ATOM 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Aug 4, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Item 2.02 provides no operating results or financial figures in the excerpt
  • Investors must review the filing’s referenced exhibit for fiscal-year 2026 results and management commentary

Item EX-99.1: Item EX-99.1

  • Q2 revenue $158,000 versus $0 in Q2 2025, signaling initial commercialization but still limited operating scale
  • Net loss widened to $6.3 million from $5.0 million, while adjusted EBITDA loss increased to $5.0 million
Filed May 13, 2026Full analysis →

Item 5.07: Submission of Matters to a Vote of Security Holders

  • Stockholders re-elected all five directors, with terms extending to the 2027 annual meeting
  • CBIZ CPAs P.C. auditor appointment ratified by 22,828,837 votes, with 229,067 against
Filed May 5, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Section 2.02 contains only a liability and incorporation disclaimer
  • No fiscal-year 2026 operating results or financial figures disclosed in the provided text

Item EX-99.1: Item EX-99.1

  • Q1 revenue $11K versus $4K, while gross loss reached $115K, underscoring minimal commercialization
  • Net loss widened to $6.1M from $5.2M; adjusted EBITDA loss increased to $4.9M from $4.4M

AI summaries of ATOM 8-K current reports filed with the SEC. What 8-K item codes mean

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  • Fund moves. Which tracked funds opened, added or cut ATOM, by share count.
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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Mears Robert JSellSep 2, 2026$3.87
Mears Robert JSellSep 1, 2026$4.05
BIBAUD SCOTT A.SellSep 1, 2026$4.05
BIBAUD SCOTT A.SellSep 1, 2026$4.05
Mears Robert JSellSep 1, 2026$4.05
Mears Robert JSellSep 1, 2026$4.05
Mears Robert JSellSep 1, 2026$4.05
BIBAUD SCOTT A.SellSep 1, 2026$4.05

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue-$135K$65K
Gross Profit-$12K-
Operating Income-$20.7M-$19.3M-$21.1M
Net Income--$18.4M-$20.2M
Gross Margin-8.9%-
Op. Margin--14323.0%-32496.9%
Net Margin--13655.6%-31036.9%
Balance Sheet
Total Assets$24.0M$29.1M$21.1M
Equity-$25.1M$18.4M
ROE--73.5%-109.8%
Per Share
EPS-$-0.68$-0.65
Cash Flow
Operating CF--$13.2M-$14.9M
CapEx$31K$14K$49K

Source: XBRL data in Atomera Inc (ATOM)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate ATOM share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
ATOM shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202621$88.7M
Q1 202621$31.7M
Q4 202520$11.8M
Q3 202521$23.6M
Q2 202520$30.1M
Q1 202515$11.4M
Q4 20249$21.9M
Q3 202410$1.8M
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
New Positions
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 137 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

ATOM filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Sep 3, 2026--
4Sep 3, 2026--
4Sep 3, 2026--
10-QAug 6, 2026Analysis
4Aug 4, 2026--
8-KAug 4, 2026Analysis-
4Jul 2, 2026--
4Jun 17, 2026--
4Jun 17, 2026--
4Jun 17, 2026--
4Jun 10, 2026-
4Jun 2, 2026-
4Jun 2, 2026-
4Jun 2, 2026-
4May 13, 2026-
4May 13, 2026-
4May 13, 2026-
4May 13, 2026-
8-KMay 13, 2026Analysis
10-QMay 5, 2026Analysis
8-KMay 5, 2026Analysis-
4Mar 13, 2026--
4Mar 13, 2026--
4Mar 13, 2026--
SC 13GMar 2, 2026-

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ATOM SEC filings: frequently asked questions

Are ATOM insiders buying or selling?

In the last 90 days, Atomera Inc (ATOM) officers, directors and 10% owners reported no open-market purchases and 15 open-market sales worth $137,317 by 3 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold ATOM stock?

As of June 30, 2026, the largest Atomera Inc (ATOM) holders among the 13F filers tracked by SignalX were BlackRock ($26.0 million), D.E. Shaw & Co ($16.5 million), Vanguard Capital Management LLC ($14.5 million), State Street Corp ($6.3 million), Two Sigma Investments ($5.8 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was ATOM's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), Atomera Inc (ATOM) reported revenue of $65,000 (down 51.9% from FY2024) and a net loss of $20.2 million. Diluted EPS was -$0.65. The figures come from the XBRL data in the 10-K.

What did ATOM report in its latest 8-K?

Atomera Inc (ATOM) filed an 8-K on August 4, 2026 reporting Item 2.02 (Results of Operations and Financial Condition). Item 2.02 provides no operating results or financial figures in the excerpt.

What are the latest ATOM SEC filings?

Atomera Inc (ATOM) filed its latest 10-K annual report on February 24, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on August 4, 2026 and a Form 4 insider filing on September 3, 2026.

What is ATOM's SEC CIK number?

Atomera Inc (ATOM)'s SEC Central Index Key (CIK) is 1420520. EDGAR lists every ATOM filing under that number.

Ask anything about ATOM

The research agent reads ATOM's filings, financials, insider trades and 13F holders, then answers with sources.