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SEALSQ (LAES) 10K Form and Latest SEC Filings 2026

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$1.37 +0.01 (+0.74%)
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Latest SEALSQ SEC Filings & Recent Activity

SEALSQ (NASDAQ:LAES) has submitted 200+ documents to the U.S. Securities and Exchange Commission (SEC) since 2023. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. Key figures from these filings, including revenue, earnings, and cash flow, are summarized in SEALSQ's financial statements. The most recent filing was a Form 4 submitted on November 3, 2026.

Form 4
SEALSQ Corp Reports Ownership Change on Oct. 7, 2026

Form 4 filings disclose changes in stock ownership by company insiders, including purchases, sales, grants, and option exercises.

View insider ownership

SEALSQ SEC Filing History

Browse SEALSQ's complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing.

Filing Date
0 Results
DateFilerForm TypeView
11/03/2026 4:30 PM
Enguent Jean-Pierre (2114888) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/28/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/16/2026 11:28 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/16/2026 11:29 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/14/2026 8:38 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/14/2026 8:39 AM
GigCapital8 Corp. (2080019) Subject
GigCapital8 Corp. (2080019) Subject
SEALSQ (1951222) Filed by
Form 425
10/07/2026 3:15 PM
Enguent Jean-Pierre (2114888) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/06/2026 3:15 PM
SEALSQ (1951222) Issuer
Ward Peter (1896009) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
10/06/2026 7:20 AM
Pellaton Eric Adrien (2114109) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/06/2026 7:20 AM
Fergusson David Alexander (2114937) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2026 4:22 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
09/25/2026 8:27 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
09/25/2026 8:29 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
09/14/2026 8:12 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
09/11/2026 9:00 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
09/03/2026 3:40 PM
Enguent Jean-Pierre (2114888) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
08/26/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/14/2026 2:38 PM
Anson Funds Management LP (1491072) Filed by
SEALSQ (1951222) Subject
Form SCHEDULE 13G/A
08/10/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/06/2026 3:16 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/05/2026 5:20 PM
Enguent Jean-Pierre (2114888) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/08/2026 3:50 PM
Enguent Jean-Pierre (2114888) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/08/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
07/08/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
06/30/2026 7:33 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
06/30/2026 7:34 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
06/18/2026 3:45 PM
SEALSQ (1951222) Issuer
Ward Peter (1896009) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/11/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
06/11/2026 3:16 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
06/05/2026 4:20 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2026 4:20 PM
Moreira Carlos (1801038) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/04/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
06/04/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
06/03/2026 4:15 PM
Enguent Jean-Pierre (2114888) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/03/2026 4:15 PM
Moreira Carlos (1801038) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/03/2026 4:15 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/15/2026 1:41 PM
Anson Funds Management LP (1491072) Filed by
SEALSQ (1951222) Subject
Form SCHEDULE 13G
05/15/2026 11:30 AM
SEALSQ (1951222) Subject
SUSQUEHANNA SECURITIES, LLC (1446580) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:20 AM
CVI Investments, Inc. (1649553) Filed by
SEALSQ (1951222) Subject
Form SCHEDULE 13G/A
05/11/2026 3:15 PM
Buonanno Franck Jean (2115431) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/04/2026 3:35 PM
Enguent Jean-Pierre (2114888) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
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04/24/2026 3:59 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/22/2026 3:15 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/21/2026 10:21 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/17/2026 4:14 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/14/2026 3:15 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/09/2026 3:47 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/09/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/09/2026 3:15 PM
Enguent Jean-Pierre (2114888) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/08/2026 3:15 PM
Feuardent Moreira Andreas (2115483) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/06/2026 4:07 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/01/2026 7:30 AM
Buonanno Franck Jean (2115431) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/31/2026 3:46 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/31/2026 3:10 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/27/2026 3:15 PM
Buonanno Franck Jean (2115431) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/26/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/26/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/25/2026 4:15 PM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/23/2026 7:53 AM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2026 3:15 PM
SEALSQ (1951222) Issuer
Verjus Nathalie Claude Odile (2111395) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/19/2026 1:45 PM
Bose Ruma (1867943) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:16 AM
Pellaton Eric Adrien (2114109) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:21 AM
Hamon Loic Jean-Claude (2116982) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:21 AM
SEALSQ (1951222) Issuer
Vian Bernard (2114891) Reporting
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:22 AM
Dolan Cristina (1911593) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:25 AM
SEALSQ (1951222) Issuer
Ward Peter (1896009) Reporting
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:03 AM
Moreira Carlos (1801038) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:05 AM
O'Hara John Charles (2110281) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:06 AM
SEALSQ (1951222) Issuer
Verjus Nathalie Claude Odile (2111395) Reporting
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:07 AM
Fergusson David Alexander (2114937) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:08 AM
SEALSQ (1951222) Issuer
Triouleyre Jean-Luc Pierre-Marie (2114462) Reporting
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:10 AM
Enguent Jean-Pierre (2114888) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:12 AM
Feuardent Moreira Andreas (2115483) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/18/2026 8:14 AM
Buonanno Franck Jean (2115431) Reporting
SEALSQ (1951222) Issuer
Form 3
Initial statement of beneficial ownership of securities  
03/17/2026 10:22 AM
SEALSQ (1951222) Filer
Form 424B5
03/17/2026 10:27 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/02/2026 7:19 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/02/2026 7:19 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/23/2026 8:21 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/23/2026 8:22 AM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/18/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/18/2026 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/17/2026 1:49 PM
CVI Investments, Inc. (1649553) Filed by
SEALSQ (1951222) Subject
Form SCHEDULE 13G/A
01/14/2026 3:11 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
01/14/2026 3:12 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
01/14/2026 3:13 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
01/14/2026 3:13 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
12/18/2025 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
12/10/2025 3:15 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
11/20/2025 3:30 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
11/19/2025 2:52 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
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11/19/2025 2:53 PM
SEALSQ (1951222) Filer
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
(Data available from 1/1/2016 forward)

SEALSQ SEC Filings - Frequently Asked Questions

SEALSQ (LAES) has submitted 200+ filings to the SEC since 2023. You can browse the complete history or filter by form type using the tools above.

SEALSQ's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results. Key financial data from these reports is available on SEALSQ's financial statements page.

The most recent filing was a Form 4 submitted on November 3, 2026. This was an insider ownership change filed by 4 - SEALSQ Corp (0001951222) (Issuer).

SEC Filing Types: 10-K, 10-Q, 8-K and More

SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position.

Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts.

A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year.

The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries.

An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news.

Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events.

Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements.


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SEC filings for NASDAQ:LAES are sourced directly from the U.S. Securities and Exchange Commission (SEC), with the most recent filing dated 11/3/2026. New filings are added as they're published.
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