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Applied Optoelectronics, Inc. is reported to have 1,952,757 shares of its common stock beneficially owned by Jane Street Group, LLC and related affiliates under a Schedule 13G/A (Amendment No. 1). This represents 2.4% of the outstanding common stock. All of these shares are reported with shared voting and dispositive power, and none with sole voting or dispositive power. The filing lists Jane Street Capital, LLC, Jane Street Options, LLC, Jane Street Global Trading, LLC and Jane Street Singapore Pte. Limited as subsidiaries involved in the reported ownership.
An affiliate of AAOI filed to sell 4,000 shares of common stock through Raymond James & Associates on or after 08/10/2026 on Nasdaq, with an indicated value of $579,170.00. The shares relate to awards designated as PSU acquired on 05/19/2026.
Over the prior three months, the same holder reported sales of 4,000 shares of common stock for $685,804.00 on 06/10/2026 and 4,000 shares for $488,364.00 on 07/10/2026.
Applied Optoelectronics reported Q2 2026 revenue of $191,922 (in thousands) and a net loss of $22,781 (in thousands), or $(0.28) per share. For the first half of 2026, revenue was $343,066 (in thousands) with a net loss of $37,062 (in thousands), or $(0.47) per share. Gross margin was 27.7% in Q2.
Total assets grew to $2,301,192 (in thousands), including $499,737 (in thousands) of cash and cash equivalents and $697,086 (in thousands) of property, plant and equipment, reflecting major manufacturing expansion and capital equipment prepayments. Stockholders’ equity increased to $1,668,025 (in thousands), supported by substantial common stock offerings.
Operating activities used $73,781 (in thousands) of cash in the first half, while investing activities used $633,713 (in thousands), mainly for purchases and prepayments of equipment and facilities. Financing activities provided $980,279 (in thousands), primarily from equity issuances and credit facilities. Revenue remained concentrated, with the top three customers accounting for 43%, 26% and 24% of six‑month revenue.
Applied Optoelectronics, Inc. reported that on August 6, 2026 it issued a press release providing its financial results for the second quarter ended June 30, 2026. The press release is furnished as Exhibit 99.1.
The company states that this earnings information and the related exhibits are furnished, not filed, so they are not deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934 or incorporated by reference into other securities filings, except where specifically referenced. The company also provided an Inline XBRL cover page as Exhibit 104.
Lin Chih-Hsiang (Thompson) reported acquisition or exercise transactions in this Form 4 filing.
APPLIED OPTOELECTRONICS, INC. President and CEO Lin Chih-Hsiang (Thompson) received a grant of 9,251 Restricted Stock Units of common stock at no cost under the 2026 Equity Incentive Plan. One-sixteen of the RSUs vest every three months, with the first vesting on January 21, 2027.
After this award he directly holds 1,296,047 common shares. An additional 807,602 shares are held indirectly through the Thompson Lin Family Trust for the benefit of his heirs, and he disclaims beneficial ownership of those shares except to the extent of his voting power.
APPLIED OPTOELECTRONICS, INC. executive Yeh Shu-Hua (Joshua), Senior Vice President and Asia General Manager, sold 4,715 shares of common stock on August 4, 2026 at a weighted average price of $126.50 per share, in trades between $125.98 and $128.11 under a Rule 10b5-1 trading plan adopted March 19, 2026. After these sales, he directly holds 383,498 shares.
The company with ticker AAOI filed to permit sales of 4,715 shares of common stock through Raymond James & Associates on Nasdaq on August 4, 2026, under Rule 144. The filing also lists prior sales by shareholder Hu-Hua Yeh during the preceding three months.
Those prior sales of common stock were 10,000 shares for $2,050,770.00 on June 5, 2026, 6,000 shares for $1,031,280.00 on June 18, 2026, and 1,285 shares for $154,238.00 on July 21, 2026.
BlackRock, Inc. filed an amended ownership report showing a significant position in Applied Optoelectronics, Inc. common stock. As of June 30, 2026, BlackRock reported beneficial ownership of 4,342,797 shares, representing 5.4% of the outstanding common stock.
BlackRock reported sole voting power over 4,167,570 shares and sole dispositive power over all 4,342,797 shares, with no shared voting or dispositive power. The shares are held across certain BlackRock business units, and various underlying persons may receive dividends or sale proceeds, but no single such person holds more than five percent of the total outstanding common shares.
Applied Optoelectronics, Inc. reported that Senior Vice President and Chief Legal Officer David C. Kuo surrendered a total of 3,264 shares of common stock on July 22, 2026 at 119.2600 per share. The four transactions were share surrenders to the issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit awards granted on June 26, 2023, April 29, 2024, April 11, 2025, and February 9, 2026.
APPLIED OPTOELECTRONICS, INC. Chief Financial Officer Stefan J. Murry reported four tax-withholding dispositions totaling 5,408 shares of common stock on July 22, 2026 at $119.26 per share. The shares were surrendered to the issuer to cover tax-withholding obligations upon vesting of restricted stock unit awards granted between June 2023 and February 2026. The Rule 10b5-1 trading-plan box was not checked.