APPLIED OPTOELECTRONICS, INC. (AAOI) Historical Stock Prices

APPLIED OPTOELECTRONICS, INC. (AAOI) is a publicly traded company on the Nasdaq, categorized under SIC 3674 (Semiconductors & Related Devices). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.

Ticker: AAOI CIK: 1158114 Exchange: Nasdaq SIC 3674: Semiconductors & Related Devices Fiscal Year End: 12/31 State: DE

Independent PCAOB Auditor

Explore PCAOB Audit Intelligence →
Audit Firm Grant Thornton LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerRoss Ramsour
Audit LocationHouston, Texas, United States

Latest SEC EDGAR Filings

Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions
Form Filing Date Reporting Period Description Accession Number Actions
4 2026-10-14 2026-10-12 4 Filing 0001683168-26-007844 View SEC Doc Filr Page
144 2026-10-13 — 144 Filing 0001974078-26-000378 View SEC Doc Filr Page
4 2026-10-07 2026-10-05 4 Filing 0001683168-26-007698 View SEC Doc Filr Page
144 2026-10-05 — 144 Filing 0001974078-26-000376 View SEC Doc Filr Page
4 2026-09-17 2026-09-15 4 Filing 0001683168-26-007214 View SEC Doc Filr Page
8-K 2026-09-15 2026-09-10 FORM 8-K 0001683168-26-007160 View SEC Doc Filr Page
4 2026-09-10 2026-09-08 4 Filing 0001683168-26-007059 View SEC Doc Filr Page
4 2026-09-10 2026-09-10 4 Filing 0001683168-26-007058 View SEC Doc Filr Page
8-K 2026-09-10 2026-09-04 CURRENT REPORT 0001683168-26-007057 View SEC Doc Filr Page
144 2026-09-10 — 144 Filing 0001974078-26-000348 View SEC Doc Filr Page
144 2026-09-09 — 144 Filing 0001974078-26-000347 View SEC Doc Filr Page
8-K 2026-09-01 2026-08-31 CURRENT REPORT 0001683168-26-006862 View SEC Doc Filr Page
8-K 2026-08-24 2026-08-18 FORM 8-K 0001683168-26-006693 View SEC Doc Filr Page
8-K 2026-08-21 2026-08-21 FORM 8-K 0001104659-26-099688 View SEC Doc Filr Page
424B5 2026-08-21 — 424B5 0001104659-26-099685 View SEC Doc Filr Page
4 2026-08-20 2026-08-18 4 Filing 0001683168-26-006634 View SEC Doc Filr Page
144 2026-08-18 — 144 Filing 0001974078-26-000313 View SEC Doc Filr Page
4 2026-08-12 2026-08-10 4 Filing 0001683168-26-006272 View SEC Doc Filr Page
SCHEDULE 13G/A 2026-08-10 — SCHEDULE 13G/A Filing 0001595888-26-000084 View SEC Doc Filr Page
144 2026-08-10 — 144 Filing 0001974078-26-000300 View SEC Doc Filr Page
10-Q 2026-08-06 2026-06-30 FORM 10-Q 0001437749-26-026278 View SEC Doc Filr Page
8-K 2026-08-06 2026-08-06 CURRENT REPORT 0001683168-26-006055 View SEC Doc Filr Page
4 2026-08-04 2026-07-31 4 Filing 0001683168-26-005948 View SEC Doc Filr Page
4 2026-08-04 2026-08-04 4 Filing 0001683168-26-005947 View SEC Doc Filr Page
144 2026-08-04 — 144 Filing 0001974078-26-000290 View SEC Doc Filr Page