Mailing Address 3 HAMILTON LANDING SUITE 160 NOVATO CA 94949
Business Address 3 HAMILTON LANDING SUITE 160 NOVATO CA 94949 415-842-7250
QT IMAGING HOLDINGS, INC. CIK#: 0001844505 (see all company filings)

SIC: 3845 - ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
State location: CA | State of Inc.: DE | Fiscal Year End: 1231
formerly: GigCapital5, Inc. (filings through 2024-02-29)
(CF Office: 08 Industrial Applications and Services)
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Items 1 - 40  0001844505 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
PRE 14A  Documents   Interactive Data Other preliminary proxy statements
Acc-no: 0001844505-25-000066 (34 Act)  Size: 808 KB
2025-07-03 001-40839
251106218
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001844505-25-000061 (34 Act)  Size: 276 KB
2025-06-18 001-40839
251055228
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0001844505-25-000057 (34 Act)  Size: 608 KB
2025-06-12 001-40839
251041732
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001844505-25-000055 (34 Act)  Size: 11 MB
2025-05-21 001-40839
25973343
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001011438-25-000325 (34 Act)  Size: 11 KB
2025-05-15 005-92895
25953114
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001844505-25-000053 (34 Act)  Size: 8 MB
2025-05-13 001-40839
25937383
8-K  Documents   Interactive Data Current report, items 2.02, 8.01, and 9.01
Acc-no: 0001844505-25-000052 (34 Act)  Size: 355 KB
2025-05-13 001-40839
25937362
SCHEDULE 13D/A  Documents [Amend] General Statement of Acquisition of Beneficial Ownership
Acc-no: 0001430575-25-000007 (34 Act)  Size: 11 KB
2025-04-30 005-92895
25898979
SCHEDULE 13D/A  Documents [Amend] General Statement of Acquisition of Beneficial Ownership
Acc-no: 0001451693-25-000006 (34 Act)  Size: 11 KB
2025-04-30 005-92895
25898976
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-007846 Size: 5 KB
2025-04-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-007845 Size: 5 KB
2025-04-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-007844 Size: 5 KB
2025-04-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-007843 Size: 5 KB
2025-04-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-007842 Size: 7 KB
2025-04-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-007841 Size: 5 KB
2025-04-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-007840 Size: 5 KB
2025-04-23
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001844505-25-000045 (34 Act)  Size: 200 KB
2025-04-23 001-40839
25862802
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-007326 Size: 7 KB
2025-04-10
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-007325 Size: 7 KB
2025-04-10
8-K  Documents   Interactive Data Current report, items 1.01, 3.02, 8.01, and 9.01
Acc-no: 0001844505-25-000042 (34 Act)  Size: 1 MB
2025-04-10 001-40839
25828572
SCHEDULE 13D  Documents General Statement of Acquisition of Beneficial Ownership
Acc-no: 0001430575-25-000003 (34 Act)  Size: 10 KB
2025-04-02 005-92895
25804672
SCHEDULE 13D  Documents General Statement of Acquisition of Beneficial Ownership
Acc-no: 0001451693-25-000002 (34 Act)  Size: 12 KB
2025-04-02 005-92895
25802274
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001844505-25-000038 (34 Act)  Size: 18 MB
2025-03-31 001-40839
25789109
8-K  Documents   Interactive Data Current report, items 2.02, 8.01, and 9.01
Acc-no: 0001844505-25-000037 (34 Act)  Size: 410 KB
2025-03-31 001-40839
25789083
SCHEDULE 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000950170-25-045524 (34 Act)  Size: 6 KB
2025-03-26 005-92895
25774634
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-006252 Size: 12 KB
2025-03-25
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001062993-25-006250 Size: 6 KB
2025-03-25
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001844505-25-000032 (33 Act)  Size: 72 KB
2025-03-03 333-284317
25694088
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001844505-25-000031 (33 Act)  Size: 73 KB
2025-03-03 333-278460
25694085
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, 3.02, 8.01, and 9.01
Acc-no: 0001844505-25-000028 (34 Act)  Size: 2 MB
2025-02-28 001-40839
25692344
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001844505-25-000024 (33 Act)  Size: 87 KB
2025-02-12 333-284869
25615034
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-25-000323 (33 Act)  Size: 1 KB
2025-02-05 333-284317
25595213
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001628280-25-004061 (33 Act)  Size: 9 MB
2025-02-05 333-284317
25593763
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001844505-25-000019 Size: 8 KB
2025-02-03
S-1/A  Documents   Interactive Data [Amend] General form for registration of securities under the Securities Act of 1933
Acc-no: 0001628280-25-003316 (33 Act)  Size: 31 MB
2025-01-31 333-284317
25578581
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001844505-25-000016 (33 Act)  Size: 40 KB
2025-01-28 333-278460
25561070
8-K  Documents   Interactive Data Current report, item 3.01
Acc-no: 0001844505-25-000015 (34 Act)  Size: 205 KB
2025-01-28 001-40839
25561061
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001844505-25-000011 (33 Act)  Size: 35 KB
2025-01-24 333-278460
25554475
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0001844505-25-000009 (34 Act)  Size: 289 KB
2025-01-24 001-40839
25554393
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-25-000605 Size: 40 KB
2025-01-21 333-284317