Here are the Form 4 insider transactions from Applied Optoelectronics, Inc. (AAOI) in our archive over the last 12 months, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow AAOI and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full AAOI filings page.
APPLIED OPTOELECTRONICS, INC. Chief Financial Officer Stefan J. Murry sold shares of company stock in a planned transaction. He executed an open-market sale of 4,000 shares of common stock at a weighted average price of $136.5035 per share. After this sale, he directly held 276,070 shares. The trades were completed under a pre-arranged Rule 10b5-1 trading plan, meaning the sales were scheduled in advance rather than timed discretionarily.
APPLIED OPTOELECTRONICS, INC. officer David C. Kuo reported an open‑market sale of 29,000 shares of common stock on March 19, 2026. The shares were sold at a weighted average price of $100.1276 per share, in multiple transactions priced between $100.00 and $100.44 per share.
Following these transactions, Kuo directly owns 82,663 shares of the company’s common stock. The filing notes that detailed information on each individual trade is available upon request from the reporting person, the company, the SEC staff, or a security holder.
APPLIED OPTOELECTRONICS, INC. officer Chang Hung-Lun (Fred) sold 36,400 shares of common stock in an open-market transaction on March 16, 2026 at a weighted average price of $100.245 per share. The trades were executed at prices ranging from $100.00 to $100.80 per share.
After these sales, he directly holds 233,618 shares of common stock. The transactions were reported as routine open-market sales, with the weighted average price disclosed and full trade details available upon request as noted in the footnote.
APPLIED OPTOELECTRONICS, INC. director Min-Chu (Mike) Chen reported open-market sales of 11,335 AAOI shares. He sold 8,835 directly owned common shares at a weighted average price of $108.7172 per share, with actual sale prices ranging from $105.50 to $110.20. Following this sale, he directly owns 169,300 common shares.
In a separate transaction, 2,500 indirectly owned shares held by his spouse, Yuh-Mei Chung, were sold at $97.00 per share, leaving 20,000 shares in that indirect holding. Chen disclaims beneficial ownership of shares held by his spouse except for any indirect pecuniary interest.
APPLIED OPTOELECTRONICS, INC. officer Yeh Shu-Hua (Joshua) reported an open-market sale of 50,000 shares of common stock on March 9, 2026 at a weighted average price of $97.0976 per share.
The shares were sold in multiple transactions within a price range of $94.670 to $99.332 per share under a pre-arranged Rule 10b5-1 trading plan adopted on December 9, 2025. Following these sales, the reporting person directly holds 322,051 shares of the company’s common stock.
APPLIED OPTOELECTRONICS, INC. director William H. Yeh reported an open-market sale of 15,000 shares of common stock. The weighted average sale price was about $105.76 per share, across trades between $104.50 and $108.32. After these transactions, he directly holds 238,819 shares, indicating he retains a substantial position in the company.
Applied Optoelectronics, Inc. Chief Financial Officer Stefan J. Murry sold 4,000 shares of common stock in an open-market transaction at a weighted average price of $112.7611 per share. The sale took place on March 10, 2026.
The trades were executed under a pre-arranged Rule 10b5-1 trading plan adopted on August 12, 2025, indicating the sales were scheduled in advance. After this transaction, Murry directly holds 280,070 shares of the company’s common stock.
APPLIED OPTOELECTRONICS, INC. director Elizabeth G. Loboa reported an open-market sale of 102,347 shares of common stock on March 3, 2026 at a weighted average price of $95.7586 per share. After this transaction, she directly owned 20,523 shares.
The footnote explains that the shares were sold in multiple trades between $90.00 and $97.00 per share, with the reported price reflecting the weighted average across all sales.
Applied Optoelectronics director Cynthia DeLaney reported an open‑market sale of company stock. She sold 21,000 shares of common stock at a weighted‑average price of $98.0164 per share. After this transaction, she directly holds 116,222 shares. An additional 2,380 shares are held indirectly by her spouse, and she disclaims beneficial ownership of those except for any indirect pecuniary interest.
APPLIED OPTOELECTRONICS, INC. director Richard B. Black reported an indirect sale of common stock through his revocable trust. On March 5, 2026, The Richard B. Black Revocable Trust sold 3,231 shares of common stock in open-market transactions at $95.00 per share.
After these sales, the trust associated with Black held 164,363 shares of APPLIED OPTOELECTRONICS common stock indirectly. The shares are held in a revocable living trust for which Black is both trustee and beneficial owner.
Applied Optoelectronics, Inc.’s Chief Financial Officer, Stefan J. Murry, reported an open-market sale of 5,980 shares of common stock on February 20, 2026. The shares were sold at a weighted average price of $50.1542 per share, in multiple trades between $50.000 and $50.470.
These sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted on August 12, 2025. After this transaction, the CFO continues to hold 284,070 shares of Applied Optoelectronics common stock directly.
Yeh Shu-Hua (Joshua) reported acquisition or exercise transactions in this Form 4 filing.
Applied Optoelectronics executive Yeh Shu-Hua (Joshua), Senior Vice President and Asia General Manager, reported an equity award of 25,799 shares of common stock on February 9, 2026. The shares reflect Restricted Stock Units granted at a price of $0.00 under the company’s Amended and Restated 2021 Equity Incentive Plan.
Following this grant, Yeh beneficially owns 372,051 common shares directly. The RSUs vest over time, with one‑sixteenth of the award vesting every three months starting on January 21, 2026, creating a gradual, service-based vesting schedule.
Applied Optoelectronics Chief Financial Officer Stefan J. Murry reported both a stock award and share sales. On February 9, 2026, he acquired 32,249 shares of common stock for $0.00 per share as Restricted Stock Units that vest in sixteen equal quarterly installments starting January 21, 2026. On February 10–11, 2026, he sold a total of 18,020 shares in open-market transactions at weighted average prices between about $48.68 and $50.25, under a Rule 10b5-1 trading plan adopted on August 12, 2025. After these transactions, he directly owned 290,050 shares of Applied Optoelectronics common stock.
Applied Optoelectronics President and CEO Chih-Hsiang (Thompson) Lin acquired 82,559 shares of common stock through a grant of restricted stock units at $0.00 per share. The RSUs were issued under the Amended and Restated 2021 Equity Incentive Plan.
One-sixteenth of the RSUs vest every three months, starting on January 21, 2026. Following this award, Lin directly beneficially owns 1,705,277 shares of Applied Optoelectronics common stock.
Applied Optoelectronics executive David C. Kuo reported both equity awards and stock sales. On February 9, 2026, he acquired 17,027 shares of common stock at $0.00 per share as a grant of restricted stock units under the Amended and Restated 2021 Equity Incentive Plan, with one‑sixteenth vesting every three months starting January 21, 2026.
He then executed open‑market sales under a pre‑arranged Rule 10b5‑1 trading plan adopted May 15, 2025, selling 2,533 shares at a weighted average price of $50.0015 on February 10, 2026 and 17,467 shares at a weighted average price of $50.1661 on February 11, 2026. After these transactions, he directly held 111,663 shares of Applied Optoelectronics common stock.
Chang Hung-Lun (Fred) reported acquisition or exercise transactions in this Form 4 filing.
Applied Optoelectronics executive Hung-Lun (Fred) Chang, Senior Vice President and North America General Manager, received a grant of 25,799 shares of common stock in the form of restricted stock units at a per-share price of $0.00. Following this equity award, he directly holds 270,018 shares of common stock. The RSUs vest in sixteen equal installments, with one-sixteenth vesting every three months starting on January 21, 2026, creating a multi-year, time-based vesting schedule tied to continued service.
Applied Optoelectronics insider David C. Kuo, Senior Vice President and Chief Legal Officer, sold 12,000 shares of common stock on January 28, 2026, at a weighted average price of $45.055 per share. The sale was made under a pre-established Rule 10b5-1 trading plan adopted on May 15, 2025.
After these transactions, Kuo directly held 114,636 shares of Applied Optoelectronics common stock. The shares were sold in multiple trades within a price range of $45.000 to $45.225 per share, with the reported price representing the weighted average.
Applied Optoelectronics officer reports tax-related share surrenders. On January 22, 2026, Senior Vice President and Asia General Manager Shu-Hua (Joshua) Yeh had multiple Form 4 transactions coded "F" in common stock at $38.38 per share. Footnotes state the transactions reflect shares surrendered back to the company to cover tax-withholding obligations when previously granted restricted stock units vested. After these tax withholdings, Yeh directly beneficially owns 346,252 shares of Applied Optoelectronics common stock.
Applied Optoelectronics, Inc.’s Chief Financial Officer, Stefan J. Murry, reported several administrative share transactions related to equity compensation. On January 22, 2026, he surrendered 2,049, 3,267, 747, and 1,087 shares of common stock at $38.38 per share to the company to satisfy tax‑withholding obligations upon the vesting of previously granted restricted stock units from awards dated June 27, 2022, June 26, 2023, April 29, 2024, and April 11, 2025. After these withholdings, he directly beneficially owned 275,821 shares of Applied Optoelectronics common stock.
Applied Optoelectronics President and CEO Chih-Hsiang (Thompson) Lin reported multiple share surrenders to the company to cover tax-withholding obligations tied to vested restricted stock units. On January 22, 2026, four Form 4 transactions coded "F" show common shares surrendered at $38.38 per share in connection with RSU awards granted in June 2022, June 2023, April 2024, and April 2025. Following these tax-withholding transactions, Lin beneficially owned 1,622,718 shares of Applied Optoelectronics common stock directly.
Applied Optoelectronics senior vice president and chief legal officer David C. Kuo reported several share transactions tied to restricted stock units that vested on January 22, 2026. In four separate entries coded "F," he surrendered blocks of common stock at $38.38 per share back to the company to cover tax-withholding obligations on prior RSU grants from 2022, 2023, 2024, and 2025. These are withholding-related share surrenders, not open-market sales. After the final transaction, he directly beneficially owned 126,636 shares of Applied Optoelectronics common stock.
Applied Optoelectronics executive Hung-Lun (Fred) Chang reported multiple share surrenders to cover taxes on restricted stock units that vested. On January 22, 2026, he surrendered 1,874, 2,940, 674, and 850 shares of common stock at a price of $38.38 per share, in four separate transactions coded “F” for tax withholding. These shares were returned to the company to satisfy tax-withholding obligations tied to RSU awards granted in 2022, 2023, 2024, and 2025. After these transactions, Chang directly beneficially owned 244,219 shares of Applied Optoelectronics common stock.
Applied Optoelectronics, Inc.’s Chief Financial Officer, Stefan J. Murry, reported selling 66 shares of common stock on January 15, 2026 at a price of $35.01 per share. After this small sale, he beneficially owned 282,971 shares of the company’s common stock. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan that he adopted on August 12, 2025, which is designed to allow insiders to sell shares according to a preset schedule.
Applied Optoelectronics’ Chief Financial Officer Stefan J. Murry reported small, pre‑planned stock sales. On January 12, 2026, he sold 3,000 shares of common stock at a weighted average price of $33.7473 per share. On January 13, 2026, he sold another 934 shares at a weighted average price of $35.0005 per share.
Both transactions were executed under a Rule 10b5-1 trading plan that Murry adopted on August 12, 2025, meaning the sales were scheduled in advance. After these trades, he continued to beneficially own 283,037 shares of Applied Optoelectronics common stock, held directly.
Applied Optoelectronics, Inc. director Elizabeth G. Loboa reported a sale of company stock. On December 15, 2025, she sold 4,121 shares of common stock at a weighted average price of $30.2316 per share, with individual sale prices ranging from $30.19 to $30.29. After these transactions, she beneficially owns 122,870 shares of Applied Optoelectronics common stock.
Applied Optoelectronics, Inc. reported stock transactions by its chief financial officer involving company common shares. On December 10, 2025, the CFO sold 3,000 shares of common stock at a weighted average price of $30.4042 per share, in multiple trades priced between $30.00 and $30.51, under a Rule 10b5-1 trading plan adopted on August 12, 2025. That same day, the CFO sold an additional 1,000 shares at a weighted average price of $35.00 per share, also pursuant to the plan.
On December 11, 2025, the CFO made a bona fide gift of 1,000 shares to a 501(c)(3) non-profit organization at a reported price of $0.00 per share. After these transactions, the reporting person beneficially owned 286,971 shares of Applied Optoelectronics common stock.