Comparable stake leader
BlackRock, Inc.
SEC ownership of Atomera Inc
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001420520.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
12 May 2026
- Public ticker
- ATOM on Nasdaq
- Parsed ownership sources
- 13F, 13D/G, and 3/4/5
- Largest SEC-reported holder
- BlackRock, Inc.
- Latest 13D/G holder
- BlackRock, Inc.
- Latest parsed ownership date
- 12 May 2026
- Issuer CIK
- 0001420520
- Issuer location
- Los Gatos, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Atomera Inc (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
12 May 2026
13F
13D/G
3/4/5
Lead comparable stake: 5.6%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 5.6%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
5.6%
John Gerber
1.5%
Steven K. Shevick
0.4%
Loan T. le Duy
0.37%
Suja Ramnath
0.24%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
5.6%
from 13D/G
|
$9,040,535
2,372,844 shares
|
— | 31 Mar 2026 |
| John Gerber |
3/4/5
Director
|
1.5%
|
$2,037,803
534,857 shares
|
— | 12 May 2026 |
| Steven K. Shevick |
3/4/5
Director
|
0.4%
|
$551,375
144,718 shares
|
— | 12 May 2026 |
| Loan T. le Duy |
3/4/5
Director
|
0.37%
|
$512,292
134,460 shares
|
— | 12 May 2026 |
| Suja Ramnath |
3/4/5
Director
|
0.24%
|
$330,479
86,740 shares
|
— | 12 May 2026 |
| AVENIR CORP |
13F
Company
|
4%
|
$5,567,991
1,461,415 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
3.6%
|
$4,907,893
1,288,161 shares
|
— | 31 Mar 2026 |
| Baird Financial Group, Inc. |
13F
Company
|
3.5%
|
$4,867,961
1,277,680 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$1,168,877.
Buys
$0
Insiders: 0
Sells
$1,168,877
Insiders: 3
Net
-$1,168,877
Shares: -194,500
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 194,500
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 26,043 | $0 | $247,901 | -$247,901 |
| 3-6 | 0 | 18,853 | $0 | $93,322 | -$93,322 |
| 6-9 | 0 | 17,406 | $0 | $41,600 | -$41,600 |
| 9-12 | 0 | 132,198 | $0 | $786,053 | -$786,053 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-10 of 10 reporting-owner rows connected to Atomera Inc. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Scott A. Bibaud
Net 12M change
-$1,168,878
Latest report
01 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Scott A. Bibaud | CEO and President, Director | $6,623,644 | -$965,618 | -13% | Filing P/S | 01 Jun 2026 |
| Robert J. Mears | Chief Technology Officer | $2,653,461 | -$105,959 | -3.8% | Mixed | 01 Jun 2026 |
| Francis Laurencio | Cfo | $2,409,387 | -$97,301 | -3.9% | Filing P/S | 01 Jun 2026 |
| John Gerber | Director | $2,037,803 | Median | 12 May 2026 | ||
| Steven K. Shevick | Director | $551,375 | Median | 12 May 2026 | ||
| Loan T. le Duy | Director | $512,292 | Median | 12 May 2026 | ||
| C. Rinn Cleavelin | Director | $405,743 | Mixed | 12 May 2021 | ||
| Suja Ramnath | Director | $330,479 | Median | 12 May 2026 | ||
| Shawn G. Thomas | VP of Marketing and Bus Dev | $234,499 | Mixed | 19 Feb 2025 | ||
| Jeffrey A. Lewis | SVP, Marketing and Bus. Dev | $163,723 | Filing P/S | 01 Mar 2024 |
Recent insider transactions for Atomera Inc
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Scott A. Bibaud | ATOM | Common Stock | Sale | -1.97% | $133,090 | $9.52 | -13,980 | 695,761 | 01 Jun 2026 | Direct |
| Robert J. Mears | ATOM | Common Stock | Sale | -1.92% | $51,904 | $9.52 | -5,453 | 277,950 | 01 Jun 2026 | Direct |
| Francis Laurencio | ATOM | Common Stock | Sale | -2.54% | $62,908 | $9.52 | -6,610 | 253,353 | 01 Jun 2026 | Direct |
| Steven K. Shevick | ATOM | Common Stock | Award | 11.2% | 14,302 | 142,518 | 12 May 2026 | Direct | ||
| Suja Ramnath | ATOM | Common Stock | Award | 19.7% | 14,302 | 86,740 | 12 May 2026 | Direct | ||
| Loan T. le Duy | ATOM | Common Stock | Award | 11.9% | 14,302 | 134,460 | 12 May 2026 | Direct | ||
| John Gerber | ATOM | Common Stock | Award | 4.49% | 14,302 | 332,569 | 12 May 2026 | Direct | ||
| Robert J. Mears | ATOM | Performance Stock Option (right to buy) | Award | 131,472 | 65,736 | 11 Mar 2026 | Direct | |||
| Francis Laurencio | ATOM | Performance Stock Option (right to buy) | Award | 157,776 | 78,888 | 11 Mar 2026 | Direct | |||
| Scott A. Bibaud | ATOM | Performance Stock Option (right to buy) | Award | 341,840 | 170,920 | 11 Mar 2026 | Direct | |||
| Robert J. Mears | ATOM | Common Stock | Award | 67.8% | 114,504 | 283,403 | 02 Mar 2026 | Direct | ||
| Robert J. Mears | ATOM | Common Stock | Sale | -2.3% | $19,696 | $4.95 | -3,979 | 168,899 | 02 Mar 2026 | Direct |
| Francis Laurencio | ATOM | Common Stock | Award | 78.7% | 114,504 | 259,963 | 02 Mar 2026 | Direct | ||
| Francis Laurencio | ATOM | Common Stock | Sale | -3.19% | $23,755 | $4.95 | -4,799 | 145,459 | 02 Mar 2026 | Direct |
| Scott A. Bibaud | ATOM | Common Stock | Sale | -1.4% | $49,871 | $4.95 | -10,075 | 709,741 | 02 Mar 2026 | Direct |
| Scott A. Bibaud | ATOM | Common Stock | Award | 52.6% | 248,088 | 719,816 | 02 Mar 2026 | Direct | ||
| Francis Laurencio | ATOM | Common Stock | Sale | -11.6% | -21,834 | 166,082 | 20 Feb 2026 | Direct | ||
| Francis Laurencio | ATOM | Common Stock | Options Exercise | 13.2% | 21,834 | 187,916 | 20 Feb 2026 | Direct | ||
| Francis Laurencio | ATOM | Incentive Stock Option (right to buy) | Options Exercise | -100% | -21,834 | 0 | 20 Feb 2026 | Direct | ||
| Robert J. Mears | ATOM | Common Stock | Sale | -1.91% | $8,637 | $2.39 | -3,614 | 186,062 | 01 Dec 2025 | Direct |
| Francis Laurencio | ATOM | Common Stock | Sale | -2.61% | $10,638 | $2.39 | -4,451 | 166,082 | 01 Dec 2025 | Direct |
| Scott A. Bibaud | ATOM | Common Stock | Sale | -1.81% | $22,325 | $2.39 | -9,341 | 506,010 | 01 Dec 2025 | Direct |
| Scott A. Bibaud | ATOM | Common Stock | Sale | -19.6% | $760,332 | $5.94 | -128,002 | 524,665 | 12 Jun 2025 | Direct |
| Scott A. Bibaud | ATOM | Common Stock | Options Exercise | 27.4% | 128,002 | 594,837 | 12 Jun 2025 | Direct | ||
| Scott A. Bibaud | ATOM | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -57,830 | 0 | 12 Jun 2025 | Direct | ||
| Scott A. Bibaud | ATOM | Incentive Stock Option (right to buy) | Options Exercise | -100% | -70,172 | 0 | 12 Jun 2025 | Direct | ||
| Robert J. Mears | ATOM | Common Stock | Sale | -2.08% | $25,721 | $6.13 | -4,196 | 197,409 | 11 Jun 2025 | Direct |
* marks a reported price that did not pass the local price check.