Every Form 4 that Applied Optoelectronics, Inc. (AAOI) has filed with the SEC in the last 12 months is listed below, 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. (AAOI) director Richard B. Black reported a bona fide gift of 2,200 shares of common stock on September 15, 2026. The gift was made from The Richard B. Black Revocable Trust to a 501(c)(3) non-profit organization, and is reported as an indirect disposition by trust.
After the transaction, the trust’s indirect holdings are 159,092 shares, while Black also holds 4,237 shares directly. The shares in the trust are held in a revocable living trust of which he is the sole trustee and beneficial owner, and no Rule 10b5-1 trading plan is reported.
APPLIED OPTOELECTRONICS, INC. (AAOI) reported that senior vice president and North America general manager Chang Hung-Lun (Fred) sold 32,172 shares of common stock on September 8, 2026 in an open-market or private transaction at a weighted average price of $110.21 per share, with actual prices ranging from $110.00 to $110.76. After this sale, he directly holds 249,276 shares of AAOI common stock, and no Rule 10b5-1 trading plan is reported.
APPLIED OPTOELECTRONICS, INC. (AAOI) reported that Chief Financial Officer Stefan J. Murry sold 4,000 shares of common stock on September 10, 2026 at a weighted average price of $105.33 per share, in open-market transactions under a Rule 10b5-1 trading plan adopted on August 12, 2025. The shares were sold in multiple trades at prices ranging from $104.60 to $105.98 per share, and Murry continues to hold 367,168 shares directly after this transaction.
APPLIED OPTOELECTRONICS, INC. (AAOI) reported an insider sale by Senior Vice President and Asia General Manager Yeh Shu-Hua (Joshua). On 2026-08-18, he sold 6,000 shares of common stock at a weighted average price of $147.73 per share in open-market or private transactions under a Rule 10b5-1 trading plan adopted on March 19, 2026. After these sales, he directly holds 377,498 shares of AAOI common stock.
APPLIED OPTOELECTRONICS, INC. Chief Financial Officer Stefan J. Murry reported an open-market sale of 4,000 shares of common stock on August 10, 2026, at a weighted average price of $144.79 per share, executed in multiple trades between $140.69 and $147.99. The transactions were carried out under a Rule 10b5-1 trading plan adopted on August 12, 2025. Following these sales, Murry directly holds 371,168 shares of the company’s common stock.
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.
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.
Chang Hung-Lun (Fred), Senior Vice President and North America General Manager of Applied Optoelectronics, reported four F-code dispositions on 2026-07-22, surrendering 4,676 shares of common stock back to the issuer at $119.26 per share to satisfy tax-withholding obligations upon vesting of multiple restricted stock unit awards. The Rule 10b5-1 trading plan box was not checked.
Applied Optoelectronics, Inc. President and CEO Thompson Lin reported four Form 4 transactions, surrendering a total of 15,640 shares of common stock at $119.26 per share to the company to satisfy tax-withholding obligations upon vesting of prior restricted stock unit awards. An additional entry shows 807,602 shares indirectly held through the Thompson Lin Family Trust for the benefit of his heirs; he disclaims beneficial ownership of these shares except to the extent of his voting power.
Applied Optoelectronics executive Yeh Shu-Hua (Joshua), Senior Vice President and Asia General Manager, reported one sale of 1,285 common shares on July 21, 2026 at a weighted average price of $120.02 per share under a Rule 10b5-1 trading plan adopted March 19, 2026.
On July 22, 2026, he surrendered a total of 4,709 shares of common stock at $119.26 per share to the issuer to satisfy tax-withholding obligations arising from the vesting of previously granted restricted stock unit awards.
APPLIED OPTOELECTRONICS, INC. Chief Financial Officer Murry Stefan J. reported an open-market sale of 4,000 shares of common stock on July 10, 2026 at a weighted-average price of $122.09 per share under a Rule 10b5-1 trading plan, leaving 380,576 shares directly owned.
APPLIED OPTOELECTRONICS, INC. officer Chang Hung-Lun (Fred) sold 40,329 shares of common stock in open-market transactions on June 17, 2026 at a weighted average price of $170.60 per share. The sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on March 18, 2026.
The shares were sold in multiple trades at actual prices ranging from $168.00 to $173.78 per share. Following these transactions, Chang directly holds 286,124 shares of APPLIED OPTOELECTRONICS common stock.
Applied Optoelectronics, Inc. officer Yeh Shu-Hua (Joshua) reported an open-market sale of 6,000 shares of common stock. The weighted average sale price was $171.89 per share, with actual prices ranging from $171.00 to $173.51.
The transactions were executed under a Rule 10b5-1 trading plan adopted by the reporting person on June 18, 2026. Following these sales, he directly holds 394,207 shares of Applied Optoelectronics common stock.
APPLIED OPTOELECTRONICS, INC. officer Yeh Shu-Hua (Joshua) reported an open-market sale of 28,826 shares of common stock on June 12, 2026 at a weighted average price of $166.53 per share. In a separate transaction, 23,397 shares were withheld to satisfy tax obligations. Following these transactions, he holds 400,207 shares directly.
APPLIED OPTOELECTRONICS, INC. Chief Financial Officer Stefan J. Murry reported selling common stock and a related tax withholding event. He completed an open-market sale of 33,000 shares of common stock on June 12, 2026 at a weighted average price of $166.53 per share, with individual trades priced between $163.78 and $171.8 per share. Separately, 30,330 shares were disposed of to satisfy tax withholding obligations. Following these transactions, Murry held 384,576 shares of APPLIED OPTOELECTRONICS common stock directly.
APPLIED OPTOELECTRONICS, INC. President and CEO Lin Chih-Hsiang (Thompson) reported an open-market sale of common stock and a related tax-withholding entry. On June 12, 2026, he sold 59,000 shares of common stock at a weighted average price of $166.53 per share. On the same date, 86,655 shares were withheld to satisfy applicable tax withholding obligations, which is a non-market disposition.
Following these transactions, Lin directly holds 1,302,436 shares of APPLIED OPTOELECTRONICS common stock. In addition, 807,602 shares are indirectly held by the Thompson Lin Family Trust for the benefit of his heirs. Lin is the settlor and retains certain voting power but disclaims beneficial ownership of those trust-held shares except to that extent.
APPLIED OPTOELECTRONICS, INC. officer David C. Kuo reported an insider sale and tax-related share withholding. He completed an open-market sale of 29,227 shares of common stock at a weighted average price of $166.53 per share. In a separate transaction, 19,065 shares were withheld to satisfy tax withholding obligations at $172.78 per share.
APPLIED OPTOELECTRONICS, INC. officer Chang Hung-Lun (Fred) reported insider transactions in common stock. On June 12, 2026, he executed an open-market sale of 34,000 shares at a weighted average price of $166.53 per share. The filing also shows a separate tax-withholding disposition of 27,297 shares at $172.78 per share to satisfy tax obligations, which is not an open-market sale. Following these transactions, he directly holds 326,453 shares of the company’s common stock.
APPLIED OPTOELECTRONICS, INC. director William H. Yeh reported an acquisition of company stock through an equity award. He received 1,166 shares of common stock at no cash cost, granted in the form of Restricted Stock Units under the Company’s 2026 Equity Incentive Plan.
The RSU grant vests in equal monthly installments, with 1/12 of the total shares vesting on the same day each month starting on July 5, 2026, until all shares have vested. After this grant, Yeh’s direct holdings increased to 239,985 shares of common stock, reflecting a routine, compensation-related award rather than an open-market purchase or sale.
Applied Optoelectronics Chief Financial Officer Stefan J. Murry reported an open-market sale of 4,000 shares of common stock at a weighted average price of $171.45 per share on June 10, 2026.
The filing states these sales were made under a pre-arranged Rule 10b5-1 trading plan. After the transaction, Murry directly holds 447,906 shares of Applied Optoelectronics common stock, indicating he retains a substantial equity position in the company.
Lin Che-Wei reported acquisition or exercise transactions in this Form 4 filing.
APPLIED OPTOELECTRONICS, INC. director Che-Wei Lin reported an equity compensation grant of 1,166 shares of common stock in the form of Restricted Stock Units under the company’s 2026 Equity Incentive Plan. These RSUs vest in 12 equal monthly installments, with 1/12 of the total vesting on the same day each month starting on July 5, 2026, until all shares have vested. Following this award, Lin holds a total of 254,672 shares of common stock directly.
Flanagan Robert James reported acquisition or exercise transactions in this Form 4 filing.
APPLIED OPTOELECTRONICS, INC. director Robert James Flanagan reported an equity award of 1,166 shares of common stock at a price of $0.00 per share. The footnote states the award is in the form of RSUs under the 2026 Equity Incentive Plan, vesting in 12 equal monthly installments starting on July 5, 2026.
DeLaney Cynthia reported acquisition or exercise transactions in this Form 4 filing.
APPLIED OPTOELECTRONICS, INC. director Cynthia DeLaney reported an equity compensation grant and updated her reported holdings. She received 1,166 shares of common stock at $0.00 per share as a grant of Restricted Stock Units under the 2026 Equity Incentive Plan, bringing her directly held shares to 60,813. The RSU grant vests in equal monthly installments of 1/12 of the total starting on July 5, 2026 until fully vested. A separate entry reflects 2,380 shares held indirectly by her spouse, which she disclaims beneficial ownership of except for any indirect pecuniary interest.
Chen Min-Chu (Mike) reported acquisition or exercise transactions in this Form 4 filing.
APPLIED OPTOELECTRONICS, INC. director Min-Chu (Mike) Chen reported an equity compensation grant and updated share holdings. He received an award of 1,166 shares in the form of Restricted Stock Units under the Company’s 2026 Equity Incentive Plan at a grant price of $0.00 per share.
The RSU grant vests in 12 equal monthly installments, with 1/12 of the total vesting on the same day each month starting on July 5, 2026, until fully vested. Following this award, Chen holds 162,219 shares of common stock directly. The filing also notes 20,000 shares held indirectly by his spouse, for which he disclaims beneficial ownership except for any indirect pecuniary interest.
BLACK RICHARD B reported acquisition or exercise transactions in this Form 4 filing.
APPLIED OPTOELECTRONICS, INC. director Richard B. Black received an equity grant of 1,166 shares of common stock in the form of Restricted Stock Units (RSUs) at no cash cost under the company’s 2026 Equity Incentive Plan.
The RSUs vest in equal 1/12 installments on the same day each month starting on July 5, 2026, until all shares have vested. Following this award, Black directly holds 165,529 shares of common stock, including the newly granted RSUs.
APPLIED OPTOELECTRONICS, INC. officer Chang Hung-Lun (Fred) reported an open-market sale of 4,000 shares of common stock on June 5, 2026 at a weighted average price of $200.07 per share.
The shares were sold in multiple transactions at prices ranging from $200.00 to $200.37 per share, and the officer now directly holds 387,750 shares after the sale.
APPLIED OPTOELECTRONICS, INC. officer Yeh Shu-Hua (Joshua) reported open-market sales of 10,000 shares of common stock on June 4, 2026. The transactions were executed in two blocks of 5,000 shares at weighted average prices of $205.39 and $204.75 per share.
According to the filing footnotes, the shares were sold in multiple trades with actual prices ranging from $203.93 to $206.00 per share. After these sales, Yeh directly holds 452,430 shares of APPLIED OPTOELECTRONICS common stock, indicating he retains a substantial equity position.
APPLIED OPTOELECTRONICS, INC. director Min-Chu (Mike) Chen reported an open-market sale of 8,247 shares of common stock on 2026-06-02 at $201.0000 per share. After this sale, he holds 161,053 shares directly.
The filing also shows 20,000 shares held indirectly through his spouse, with Chen disclaiming beneficial ownership of those securities except for any indirect pecuniary interest.
APPLIED OPTOELECTRONICS, INC. President and CEO Thompson Lin reported a restructuring of how he holds his AAOI shares, along with estate-planning transfers involving a family LLC and trust.
He contributed 807,602 directly owned shares of common stock to Lin Family Investment Holdings LLC. According to the disclosure, this was a change in the form of ownership under Rule 16a-13 and did not change his economic interest, as he remains sole manager of the LLC with sole voting and dispositive power over the LLC’s 807,602 shares.
The filing also shows a bona fide gift of LLC membership interests representing 85,790.27 shares, valued at $15 million based on a per share price of $174.845, to an irrevocable family trust for the benefit of his heirs. In a related transaction, a further portion of the LLC membership interest, representing 721,811.73 shares, was transferred to the same family trust in exchange for a promissory note with a principal amount of $126,205,171.69, using the same $174.845 per share valuation. The trust’s shares are for the benefit of his heirs, and Lin disclaims beneficial ownership except to the extent of his voting power in the LLC-managed shares.
APPLIED OPTOELECTRONICS, INC. director Cynthia DeLaney reported an open-market sale of 56,575 shares of common stock on May 26, 2026 at a weighted average price of $189.23 per share. The sale was executed in multiple transactions at prices ranging from $185.00 to $194.78 per share.
Following this sale, DeLaney directly holds 59,647 shares of common stock. The filing also reports 2,380 shares held indirectly through her spouse, Norman Stephan Kinsella, with DeLaney disclaiming beneficial ownership of those shares except for any indirect pecuniary interest.
APPLIED OPTOELECTRONICS, INC. officer Yeh Shu-Hua (Joshua) reported a mix of equity compensation and share dispositions. On May 15, 2026, he acquired 192,170 shares of common stock as a grant, described as settlement of performance vesting restricted stock units for the 2023-2026 performance period that were earned at maximum performance.
On May 19, 2026, 7,928 shares were withheld to satisfy applicable tax withholding obligations, and he completed an open-market sale of 39,154 shares at $173.26 per share. Following these transactions, he directly owned 462,430 shares of common stock.
APPLIED OPTOELECTRONICS, INC. Chief Financial Officer Stefan J. Murry reported a mix of equity compensation and share dispositions involving the company’s common stock. He received 249,110 shares on May 15, 2026 as a grant earned from performance-vesting restricted stock units for the 2023–2026 period at maximum performance.
On May 19, 2026, 30,330 shares were withheld to cover tax obligations, and he executed an open-market sale of 33,000 shares at $173.26 per share. Following these transactions, Murry directly held 451,906 shares of APPLIED OPTOELECTRONICS common stock.
APPLIED OPTOELECTRONICS, INC. President and CEO Lin Chih-Hsiang (Thompson) reported several equity transactions. On May 15, 2026, he acquired 711,743 shares of common stock at $0.00 per share as a grant earned from performance-vesting restricted stock units for the 2023–2026 period at maximum performance. On May 19, 2026, the company withheld 86,655 shares to cover tax obligations related to this award, and he sold 58,000 shares in an open-market transaction at $173.26 per share. After these transactions, he directly held 2,255,693 shares of common stock.
APPLIED OPTOELECTRONICS, INC. executive David C. Kuo reported a mix of share grant, tax withholding, and an open‑market sale. On May 15, he acquired 156,583 shares of common stock at $0.00 per share as a grant earned from performance‑vesting restricted stock units covering the 2023–2026 period at maximum performance. To cover related tax obligations, 19,064 shares were disposed of on May 19 through shares withheld by the issuer. Also on May 19, he executed an open‑market sale of 19,227 shares at an average price of $173.26 per share. After the reported transactions, Kuo directly held 197,370 shares of AAOI common stock.
Applied Optoelectronics officer Chang Hung-Lun (Fred) reported a mix of stock awards and dispositions. On May 15, 2026, he received 224,199 shares of common stock at $0.00 per share as a grant earned from performance-vesting restricted stock units for the 2023–2026 period at maximum performance.
On May 19, 2026, he sold 33,630 shares in an open-market transaction at $173.26 per share and had 391,750 shares directly owned after this sale. That same day, 27,297 shares were withheld to cover applicable tax withholding obligations related to the award.
APPLIED OPTOELECTRONICS, INC. Chief Financial Officer Stefan J. Murry sold 4,000 shares of common stock in an open-market transaction on May 11, 2026 at a weighted average price of $159.5254 per share. According to the disclosure, these sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted on August 12, 2025. After this sale, he directly holds 266,126 shares of the company’s common stock.
APPLIED OPTOELECTRONICS, INC. President and CEO Chih-Hsiang (Thompson) Lin reported several compensation-related share dispositions tied to tax withholding, not open-market trading. On April 22, 2026, a total of 16,672 shares of common stock were surrendered back to the company at $150.57 per share to satisfy tax-withholding obligations upon the vesting of four restricted stock unit awards granted between June 26, 2023 and February 9, 2026. After these transactions, Lin continues to hold approximately 1,688,605 shares of common stock directly.
APPLIED OPTOELECTRONICS, INC. officer Chang Hung-Lun (Fred) reported routine share dispositions tied to tax withholding. On April 22, 2026, he surrendered a total of 5,140 shares of common stock at $150.57 per share to the company to cover tax obligations on vesting restricted stock units granted on June 26, 2023, April 29, 2024, April 11, 2025, and February 9, 2026.
These F‑code transactions are tax-withholding dispositions, not open‑market sales, and reflect compensation-related mechanics. After these entries, Chang directly holds 228,478 shares of common stock.
APPLIED OPTOELECTRONICS, INC. officer David C. Kuo reported routine tax-related share dispositions. On April 22, 2026, he surrendered a total of 3,585 shares of common stock at $150.57 per share to the company to cover tax-withholding obligations tied to vesting restricted stock units granted in 2023, 2024, 2025, and 2026. These Form 4 transactions (code F) reflect compensation-related tax payments rather than open-market stock sales, and Kuo continues to hold a direct equity position in the company.
APPLIED OPTOELECTRONICS, INC. Chief Financial Officer Stefan J. Murry reported routine share dispositions tied to equity compensation taxes. On April 22, 2026, he surrendered a total of 5,944 shares of common stock at $150.57 per share to the company to satisfy tax-withholding obligations upon the vesting of several restricted stock unit awards granted between June 26, 2023 and February 9, 2026. After these tax-withholding transactions, he directly holds 270,126 shares, indicating these were compensation-related, not open-market sales.
APPLIED OPTOELECTRONICS, INC. officer Yeh Shu-Hua (Joshua) reported four compensation-related share dispositions. On April 22, 2026, a total of 4,709 shares of common stock were surrendered at $150.57 per share to cover tax-withholding obligations.
Footnotes explain these shares were delivered back to the company upon the vesting of restricted stock unit awards granted on June 26, 2023, April 29, 2024, April 11, 2025, and February 9, 2026. These are tax-withholding transactions, not open-market sales.
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.