8-K ·Filed May 8, 2026
8-K material event: Items 4.01
Actionable Insight • Neutral
Monitor the next 10-Q for any unexpected adjustments or restatements under PwC's review, but this change appears routine and non-material.
Final — all horizons settled through T+60d ⚠ clustered
AAOI ▼ -11.62% at T+60d
NEUTRAL call ✗ call lost -11.62% · α vs SPY -16.46% · entry $148.94 → $131.63
T+1d
+24.14%
call +24.14% · α +23.91%
$184.90
settled 5mo ago
T+5d
+36.68%
call +36.68% · α +35.22%
$203.57
settled 5mo ago
T+20d
+18.84%
call +18.84% · α +18.82%
$177.00
settled 4mo ago
T+60d
-11.62%
call -11.62% · α -16.46%
$131.63
settled 8w ago
Price Chart
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Executive Summary
Applied Optoelectronics dismissed Grant Thornton as its independent auditor and appointed PwC following a competitive selection process. The filing states no disagreements or adverse opinions, and a previously disclosed material weakness was remediated as of December 2025. This is a routine auditor change with no red flags.
Key Facts
- Grant Thornton dismissed as auditor on May 4, 2026; PwC appointed for FY 2026
- No adverse opinions, disagreements, or reportable events in prior two fiscal years
- A material weakness in controls over technical accounting analysis was remediated as of December 31, 2025
- Grant Thornton agreed with the statements in the 8-K via Exhibit 16.1
Financial Impact
No financial impact disclosed; auditor change is administrative
Risk Factors
- Potential for more conservative accounting interpretations under PwC
- Minor risk of future restatements if prior audits had undisclosed issues
Market Snapshot
Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
69% bullish (13 analysts)
Investment Themes
Semiconductors
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 8-K Filing (Primary) | 0001683168-26-003572 |
| Document: aaoi_1601.htm | 0001683168-26-003572 |
| Document: 0001683168-26-003572-index-headers.html | 0001683168-26-003572 |
| Document: 0001683168-26-003572-index.html | 0001683168-26-003572 |
| Document: 0001683168-26-003572.txt | 0001683168-26-003572 |
17 reports for AAOI
100% Hit rate best @ T+60▲ +36.68%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 22d ago | Insider Cluster | $103.29 $98.06 | ▼ −5.06% | ▼ −4.56% | $114.82 (+11.16%) |
Aug 12, 2026 7w ago | Insider Cluster | $130.08 $129.10 | ▼ −0.75% | ▲ +1.21% | $114.82 (−11.73%) |
Aug 2, 2026 8w ago | Institutional Cluster | $110.21 $132.81 | ▲ +20.51% | ▲ +18.48% | $114.82 (+4.18%) |
Jun 16, 2026 15w ago | 8-K | $167.34 $146.97 | ▼ −12.17% | ▼ −11.13% | $114.82 (−31.39%) |
Jun 16, 2026 15w ago | Insider Cluster | $167.34 $146.97 | ▼ −12.17% | ▼ −11.13% | $114.82 (−31.39%) |
Jun 8, 2026 16w ago | Insider Cluster | $162.88 $191.55 | ▼ −17.60% | ▼ −15.19% | $114.82 (+29.51%) |
Jun 8, 2026 16w ago | Insider Cluster | $162.88 $191.55 | ▲ +17.60% | ▲ +15.19% | $114.82 (−29.51%) |
Jun 5, 2026 16w ago | 8-K | $196.64 $191.55 | ▼ −2.59% | ▼ −4.70% | $114.82 (−41.61%) |
May 19, 2026 19w ago | Insider Cluster | $165.26 $179.83 | ▼ −8.82% | ▼ −7.58% | $114.82 (+30.52%) |
May 8, 2026 21w ago | DEFA14A | $148.94 $203.57 | ▲ +36.68% | ▲ +35.22% | $114.82 (−22.91%) |
Showing 10 of 17
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