Quantum-Si QSI SEC Filings

NASDAQ QSI
$1.20 -0.03 (-2.44%)
As of: Oct 22, 2026 · 2:21 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Quantum-Si Inc (QSI) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001816431-26-000068Oct 15, 2026 9:15 AM
28-KCurrent Report0001816431-26-000064Oct 8, 2026 4:12 PM
38-KCurrent Report0001816431-26-000061Sep 29, 2026 8:29 PM
44Insider Transaction0001140361-26-037481Sep 23, 2026 11:51 PM
54Insider Transaction0001140361-26-037478Sep 23, 2026 11:45 PM
64Insider Transaction0001140361-26-037476Sep 23, 2026 11:40 PM
7144Insider Transaction0001505034-26-000004Sep 23, 2026 11:32 PM
8144Insider Transaction0001856912-26-000003Sep 23, 2026 11:29 PM
9144Insider Transaction0001557736-26-000004Sep 23, 2026 11:28 PM
1010-QQuarterly & Annual Report0001816431-26-000056Aug 13, 2026 4:55 PM
118-KCurrent Report0001816431-26-000053Aug 13, 2026 4:11 PM
12SCHEDULE 13GBeneficial Ownership Report0002012383-26-002864Jul 29, 2026 3:19 PM
138-KCurrent Report0001816431-26-000049Jul 24, 2026 9:21 PM
144Insider Transaction0001140361-26-026294Jun 24, 2026 12:31 AM
154Insider Transaction0001140361-26-026290Jun 24, 2026 12:23 AM
164Insider Transaction0001140361-26-026287Jun 24, 2026 12:17 AM
174Insider Transaction0001140361-26-026285Jun 24, 2026 12:12 AM
18144Insider Transaction0001856912-26-000002Jun 24, 2026 12:05 AM
19144Insider Transaction0001557736-26-000003Jun 24, 2026 12:03 AM
20144Insider Transaction0002032947-26-000002Jun 24, 2026 12:02 AM
21144Insider Transaction0001505034-26-000003Jun 24, 2026 12:00 AM
228-KCurrent Report0001816431-26-000046Jun 24, 2026 8:06 PM
2325-NSEOthers0001354457-26-000560Jun 10, 2026 8:34 PM
24SDOthers0001816431-26-000041May 22, 2026 4:08 PM-
254Insider Transaction0001140361-26-022240May 20, 2026 8:05 PM
264Insider Transaction0001140361-26-022245May 20, 2026 8:05 PM
274Insider Transaction0001140361-26-022239May 20, 2026 8:05 PM
284Insider Transaction0001140361-26-022244May 20, 2026 8:05 PM
294Insider Transaction0001140361-26-022243May 20, 2026 8:05 PM
304Insider Transaction0001140361-26-022238May 20, 2026 8:05 PM
314Insider Transaction0001140361-26-022242May 20, 2026 8:05 PM
324Insider Transaction0001140361-26-022237May 20, 2026 8:05 PM
334Insider Transaction0001140361-26-022241May 20, 2026 8:05 PM
348-KCurrent Report0001816431-26-000037May 15, 2026 8:14 PM
3510-QQuarterly & Annual Report0001816431-26-000034May 7, 2026 8:47 PM
3610-QQuarterly & Annual Report0001816431-26-000034May 7, 2026 8:47 PM
3710-QQuarterly & Annual Report0001816431-26-000034May 7, 2026 8:47 PM
388-KCurrent Report0001816431-26-000032May 7, 2026 8:13 PM
398-KCurrent Report0001816431-26-000032May 7, 2026 8:13 PM
408-KCurrent Report0001816431-26-000032May 7, 2026 8:13 PM
414Insider Transaction0001140361-26-016155Apr 22, 2026 5:09 PM
424Insider Transaction0001140361-26-016155Apr 22, 2026 5:09 PM
434Insider Transaction0001140361-26-016155Apr 22, 2026 5:09 PM
444Insider Transaction0001140361-26-016152Apr 22, 2026 5:02 PM
454Insider Transaction0001140361-26-016152Apr 22, 2026 5:02 PM
464Insider Transaction0001140361-26-016152Apr 22, 2026 5:02 PM
47144Insider Transaction0001557736-26-000002Apr 22, 2026 4:50 PM
48144Insider Transaction0001557736-26-000002Apr 22, 2026 4:50 PM
49144Insider Transaction0001557736-26-000002Apr 22, 2026 4:50 PM
50144Insider Transaction0001505034-26-000002Apr 22, 2026 4:48 PM
...

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