The Filings Report

Applied Optoelectronics, Inc. insider trading

AAOIfinancial statementsForm 4 filings on EDGAR323 transactions since Nov 9, 2024

From August 12, 2026 to November 9, 2026, 0 insiders at Applied Optoelectronics, Inc. bought $0 of stock in the open market, and 3 sold $6M. Officers and directors accounted for $0 of purchases and $6M of sales. The last reported transaction was a tax withholding by Chang Hung-Lun (Fred) on October 22, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 26, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

AAOI daily priceSplit-adjusted prices in US dollars

Bought $0Sold $6MAug 12, 2026 – Nov 9, 2026

Nov 9, 2026O $50.70 · H $54.04 · L $48.32 · C $52.10Bought $0 (0)Sold $0 (0)
$38$71$103$136$1682026-08-12: open $141.70, high $142.67, low $129.09, close $138.082026-08-13: open $135.84, high $144.52, low $129.67, close $130.082026-08-14: open $130.39, high $153.39, low $130.34, close $150.282026-08-17: open $152.64, high $160.99, low $147.35, close $154.892026-08-18: open $146.20, high $151.41, low $131.22, close $131.412026-08-19: open $135.85, high $138.56, low $121.50, close $122.192026-08-20: open $121.92, high $130.49, low $118.60, close $129.102026-08-21: open $129.37, high $133.72, low $121.89, close $124.822026-08-24: open $109.13, high $112.46, low $102.10, close $107.632026-08-25: open $111.78, high $115.08, low $110.24, close $113.152026-08-26: open $110.59, high $114.21, low $110.16, close $113.762026-08-27: open $117.03, high $118.90, low $111.30, close $113.282026-08-28: open $110.46, high $110.75, low $105.15, close $106.232026-08-31: open $107.52, high $108.67, low $104.06, close $107.692026-09-01: open $104.45, high $105.74, low $101.23, close $103.082026-09-02: open $102.09, high $104.74, low $100.80, close $103.132026-09-03: open $101.90, high $103.14, low $96.96, close $100.382026-09-04: open $101.91, high $106.56, low $100.54, close $105.532026-09-08: open $108.39, high $116.90, low $107.82, close $111.552026-09-09: open $110.78, high $113.64, low $107.62, close $107.932026-09-10: open $104.50, high $109.78, low $102.99, close $103.292026-09-11: open $104.51, high $108.67, low $104.08, close $105.362026-09-14: open $96.77, high $101.13, low $95.67, close $95.762026-09-15: open $96.99, high $99.79, low $95.08, close $95.292026-09-16: open $98.20, high $99.60, low $94.00, close $96.742026-09-17: open $100.73, high $102.35, low $96.36, close $98.062026-09-18: open $101.07, high $105.44, low $98.52, close $105.172026-09-21: open $108.20, high $109.73, low $104.92, close $108.672026-09-22: open $106.93, high $110.74, low $103.90, close $107.002026-09-23: open $106.60, high $107.32, low $100.42, close $101.062026-09-24: open $98.93, high $103.58, low $97.59, close $101.032026-09-25: open $101.71, high $105.03, low $99.97, close $101.402026-09-28: open $100.09, high $102.43, low $93.62, close $96.822026-09-29: open $98.77, high $103.83, low $97.43, close $100.672026-09-30: open $101.90, high $104.25, low $96.41, close $99.262026-10-01: open $99.67, high $108.28, low $97.77, close $107.322026-10-02: open $110.25, high $117.70, low $106.32, close $115.592026-10-05: open $118.50, high $121.92, low $112.80, close $121.572026-10-06: open $126.00, high $131.15, low $124.30, close $130.162026-10-07: open $126.12, high $127.89, low $119.73, close $122.542026-10-08: open $117.44, high $119.91, low $104.88, close $105.902026-10-09: open $113.00, high $117.16, low $108.62, close $109.642026-10-12: open $106.20, high $106.41, low $99.22, close $100.682026-10-13: open $97.44, high $99.77, low $95.08, close $97.782026-10-14: open $94.96, high $96.14, low $85.76, close $86.222026-10-15: open $80.91, high $85.02, low $76.21, close $83.732026-10-16: open $83.31, high $83.44, low $75.43, close $75.572026-10-19: open $80.00, high $80.47, low $75.62, close $78.202026-10-20: open $75.00, high $79.20, low $73.05, close $76.742026-10-21: open $80.92, high $81.25, low $76.51, close $77.322026-10-22: open $72.19, high $73.15, low $66.28, close $68.072026-10-23: open $68.72, high $71.20, low $67.12, close $67.512026-10-26: open $67.48, high $74.39, low $66.51, close $71.942026-10-27: open $73.27, high $77.28, low $71.08, close $76.952026-10-28: open $78.17, high $82.28, low $77.02, close $82.222026-10-29: open $81.63, high $83.31, low $76.98, close $79.192026-10-30: open $71.86, high $74.25, low $65.77, close $69.052026-11-02: open $70.53, high $71.58, low $61.88, close $62.502026-11-03: open $63.96, high $66.58, low $62.30, close $63.972026-11-04: open $62.07, high $64.13, low $57.24, close $59.272026-11-05: open $56.74, high $56.89, low $45.88, close $46.722026-11-06: open $49.02, high $51.90, low $45.15, close $50.132026-11-09: open $50.70, high $54.04, low $48.32, close $52.10Insider purchases / sales · USD$5M$0−$5M2026-08-18: 0 purchases ($0), 1 sales ($886K)2026-09-08: 0 purchases ($0), 1 sales ($4M)2026-09-10: 0 purchases ($0), 1 sales ($421K)2026-10-05: 0 purchases ($0), 1 sales ($720K)2026-10-12: 0 purchases ($0), 1 sales ($411K)Aug 12Sep 3Sep 25Oct 19Nov 9

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Nov 9, 2026. Insider data through Nov 9, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

323 transactions from November 9, 2024 to November 9, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 22, 2026Chang Hung-Lun (Fred)*** See Remarkstax withholding2,940$77.32$227K246,336Oct 26, 2026
Oct 22, 2026Chang Hung-Lun (Fred)*** See Remarkstax withholding674$77.32$52K245,662Oct 26, 2026
Oct 22, 2026Chang Hung-Lun (Fred)*** See Remarkstax withholding850$77.32$66K244,812Oct 26, 2026
Oct 22, 2026Chang Hung-Lun (Fred)*** See Remarkstax withholding677$77.32$52K244,135Oct 26, 2026
Oct 22, 2026Murry Stefan J.Chief Financial Officertax withholding3,267$77.32$253K359,901Oct 26, 2026
Oct 22, 2026Murry Stefan J.Chief Financial Officertax withholding746$77.32$58K359,155Oct 26, 2026
Oct 22, 2026Murry Stefan J.Chief Financial Officertax withholding1,086$77.32$84K358,069Oct 26, 2026
Oct 22, 2026Murry Stefan J.Chief Financial Officertax withholding846$77.32$65K357,223Oct 26, 2026
Oct 22, 2026Kuo David C*** See Remarkstax withholding2,053$77.32$159K143,761Oct 26, 2026
Oct 22, 2026Kuo David C*** See Remarkstax withholding519$77.32$40K143,242Oct 26, 2026
Oct 22, 2026Kuo David C*** See Remarkstax withholding567$77.32$44K142,675Oct 26, 2026
Oct 22, 2026Kuo David C*** See Remarkstax withholding447$77.32$35K142,228Oct 26, 2026
Oct 22, 2026Yeh Shu-Hua (Joshua)*** See Remarkstax withholding1,202$77.32$93K370,296Oct 26, 2026
Oct 22, 2026Yeh Shu-Hua (Joshua)*** See Remarkstax withholding287$77.32$22K370,009Oct 26, 2026
Oct 22, 2026Yeh Shu-Hua (Joshua)*** See Remarkstax withholding406$77.32$31K369,603Oct 26, 2026
Oct 22, 2026Yeh Shu-Hua (Joshua)*** See Remarkstax withholding323$77.32$25K369,280Oct 26, 2026
Oct 22, 2026Lin Chih-Hsiang (Thompson)President and CEO, Directortax withholding9,331$77.32$721K1MOct 26, 2026
Oct 22, 2026Lin Chih-Hsiang (Thompson)President and CEO, Directortax withholding2,486$77.32$192K1MOct 26, 2026
Oct 22, 2026Lin Chih-Hsiang (Thompson)President and CEO, Directortax withholding2,691$77.32$208K1MOct 26, 2026
Oct 22, 2026Lin Chih-Hsiang (Thompson)President and CEO, Directortax withholding2,165$77.32$167K1MOct 26, 2026
Oct 12, 2026Murry Stefan J.Chief Financial Officeropen-market sale10b5-14,000$102.87$411K363,168Oct 14, 2026
Oct 5, 2026Yeh Shu-Hua (Joshua)*** See Remarksopen-market sale10b5-16,000$120.03$720K371,498Oct 7, 2026
Sep 15, 2026Black Richard BDirectorgiftindirect2,200$0.00—159,092Sep 17, 2026
Sep 10, 2026Murry Stefan J.Chief Financial Officeropen-market sale10b5-14,000$105.33$421K367,168Sep 10, 2026
Sep 8, 2026Chang Hung-Lun (Fred)*** See Remarksopen-market sale32,172$110.21$4M249,276Sep 10, 2026
Aug 18, 2026Yeh Shu-Hua (Joshua)*** See Remarksopen-market sale10b5-16,000$147.73$886K377,498Aug 20, 2026
Aug 10, 2026Murry Stefan J.Chief Financial Officeropen-market sale10b5-14,000$144.79$579K371,168Aug 12, 2026
Aug 4, 2026Yeh Shu-Hua (Joshua)*** See Remarksopen-market sale10b5-14,715$126.50$596K383,498Aug 4, 2026
Jul 31, 2026Lin Chih-Hsiang (Thompson)President and CEO, Directoraward9,251$0.00—1MAug 4, 2026
Jul 22, 2026Kuo David C*** See Remarkstax withholding1,869$119.26$223K147,209Jul 23, 2026
Jul 22, 2026Kuo David C*** See Remarkstax withholding472$119.26$56K146,737Jul 23, 2026
Jul 22, 2026Kuo David C*** See Remarkstax withholding516$119.26$62K146,221Jul 23, 2026
Jul 22, 2026Kuo David C*** See Remarkstax withholding407$119.26$49K145,814Jul 23, 2026
Jul 22, 2026Murry Stefan J.Chief Financial Officertax withholding2,971$119.26$354K377,605Jul 23, 2026
Jul 22, 2026Murry Stefan J.Chief Financial Officertax withholding679$119.26$81K376,926Jul 23, 2026
Jul 22, 2026Murry Stefan J.Chief Financial Officertax withholding988$119.26$118K375,938Jul 23, 2026
Jul 22, 2026Murry Stefan J.Chief Financial Officertax withholding770$119.26$92K375,168Jul 23, 2026
Jul 22, 2026Chang Hung-Lun (Fred)*** See Remarkstax withholding2,674$119.26$319K283,450Jul 23, 2026
Jul 22, 2026Chang Hung-Lun (Fred)*** See Remarkstax withholding613$119.26$73K282,837Jul 23, 2026
Jul 22, 2026Chang Hung-Lun (Fred)*** See Remarkstax withholding773$119.26$92K280,064Jul 23, 2026
Jul 22, 2026Chang Hung-Lun (Fred)*** See Remarkstax withholding616$119.26$73K281,448Jul 23, 2026
Jul 22, 2026Lin Chih-Hsiang (Thompson)President and CEO, Directortax withholding8,753$119.26$1M1MJul 23, 2026
Jul 22, 2026Lin Chih-Hsiang (Thompson)President and CEO, Directortax withholding2,332$119.26$278K1MJul 23, 2026
Jul 22, 2026Lin Chih-Hsiang (Thompson)President and CEO, Directortax withholding2,524$119.26$301K1MJul 23, 2026
Jul 22, 2026Lin Chih-Hsiang (Thompson)President and CEO, Directortax withholding2,031$119.26$242K1MJul 23, 2026
Jul 22, 2026Yeh Shu-Hua (Joshua)*** See Remarkstax withholding2,553$119.26$304K390,369Jul 23, 2026
Jul 22, 2026Yeh Shu-Hua (Joshua)*** See Remarkstax withholding609$119.26$73K389,760Jul 23, 2026
Jul 22, 2026Yeh Shu-Hua (Joshua)*** See Remarkstax withholding861$119.26$103K388,899Jul 23, 2026
Jul 22, 2026Yeh Shu-Hua (Joshua)*** See Remarkstax withholding686$119.26$82K388,213Jul 23, 2026
Jul 21, 2026Yeh Shu-Hua (Joshua)*** See Remarksopen-market sale10b5-11,285$120.02$154K392,922Jul 23, 2026

Who the insiders are

Everyone who reported a transaction since November 9, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Chang Hung-Lun (Fred)*** See RemarksOct 22, 2026tax withholding246,336—$26M (6)1 of 6
Yeh Shu-Hua (Joshua)*** See RemarksOct 22, 2026tax withholding370,296—$22M (10)6 of 10
Lin Chih-Hsiang (Thompson)President and CEO, DirectorOct 22, 2026tax withholding1M—$20M (2)0 of 2
Murry Stefan J.Chief Financial OfficerOct 22, 2026tax withholding359,901—$17M (19)17 of 19
Kuo David C*** See RemarksOct 22, 2026tax withholding143,761—$13M (7)4 of 7
DeLaney CynthiaDirectorJun 9, 2026award60,813—$13M (2)0 of 2
Loboa Elizabeth GDirectorMar 3, 2026open-market sale20,523—$10M (2)0 of 2
Chen Min-Chu (Mike)DirectorJun 9, 2026award162,219—$3M (3)0 of 3
Yeh William HDirectorJun 9, 2026award239,985—$2M (1)0 of 1
Black Richard BDirectorSep 15, 2026gift165,529—$307K (1)0 of 1
Lin Che-WeiDirectorJun 9, 2026award254,672———
Flanagan Robert JamesDirectorJun 9, 2026award1,166———

Questions

Are Applied Optoelectronics, Inc. insiders buying or selling?

Over the twelve months to November 9, 2026, 10 insiders at Applied Optoelectronics, Inc. sold $126M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $126M. Only open-market purchases and sales are counted.

Who sold the most Applied Optoelectronics, Inc. stock in the last year?

Chang Hung-Lun (Fred) (*** See Remarks) sold $26M in 6 open-market sales over the twelve months to November 9, 2026.

Do Applied Optoelectronics, Inc. executives sell under 10b5-1 plans?

28 of the 53 open-market sales in the last twelve months (53%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Applied Optoelectronics, Inc.

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.