SEC CIK 1587462

Chang Hung-Lun (Fred)

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
AAOIview stock →244,1352026-10-22

Position History — AAOI

Reported shares owned immediately after each Form 4 transaction, over time.

0150,892301,785452,6772013-092014-112017-082020-072022-112024-112026-10

Recent Filings — AAOI

DateActivitySharesPriceOwned After
2026-10-22Tax withholding677$77.32244,135
2026-10-22Tax withholding850$77.32244,812
2026-10-22Tax withholding674$77.32245,662
2026-10-22Tax withholding2,940$77.32246,336
2026-09-08Open-market sale32,172$110.21249,276
2026-07-22Tax withholding616$119.26281,448
2026-07-22Tax withholding773$119.26280,064
2026-07-22Tax withholding613$119.26282,837
2026-07-22Tax withholding2,674$119.26283,450
2026-06-17Open-market sale40,329$170.60286,124
2026-06-12Open-market sale34,000$166.53326,453
2026-06-12Tax withholding27,297$172.78360,453
2026-06-05Open-market sale4,000$200.07387,750
2026-05-19Open-market sale33,630$173.26391,750
2026-05-19Tax withholding27,297$190.36425,380
2026-05-15Grant / award224,199$0.00452,677
2026-04-22Tax withholding677$150.57228,478
2026-04-22Tax withholding850$150.57229,155
2026-04-22Tax withholding673$150.57230,005
2026-04-22Tax withholding2,940$150.57230,678
2026-03-16Open-market sale36,400$100.25233,618
2026-02-09Grant / award25,799$0.00270,018
2026-01-22Tax withholding1,874$38.38248,683
2026-01-22Tax withholding2,940$38.38245,743
2026-01-22Tax withholding674$38.38245,069
2026-01-22Tax withholding850$38.38244,219
2025-10-22Tax withholding614$33.40251,331
2025-10-22Tax withholding2,676$33.40251,945
2025-10-22Tax withholding1,705$33.40254,621
2025-10-22Tax withholding774$33.40250,557
2025-08-13Open-market sale15,784$22.70256,326
2025-07-22Tax withholding774$28.23272,110
2025-07-22Tax withholding966$28.23277,876
2025-07-22Tax withholding1,704$28.23276,172
2025-07-22Tax withholding2,675$28.23273,497
2025-07-22Tax withholding613$28.23272,884
2025-05-13Tax withholding54,516$14.76302,679
2025-05-13Open-market sale23,837$19.06278,842
2025-05-09Grant / award142,857$0.00357,195
2025-04-30Tax withholding774$10.05214,338
2025-04-22Tax withholding967$10.05220,106
2025-04-22Tax withholding1,705$10.05218,401
2025-04-22Tax withholding2,675$10.05215,726
2025-04-22Tax withholding614$10.05215,112
2025-04-11Grant / award32,397$0.00221,073
2025-01-22Tax withholding996$30.15195,296
2025-01-22Tax withholding1,472$30.15193,824
2025-01-22Tax withholding1,758$30.15192,066
2025-01-22Tax withholding632$30.15188,676
2025-01-22Tax withholding2,758$30.15189,308
2024-11-20Open-market sale20,323$30.35196,292
2024-11-20Open-market sale20,323$30.35195,572
2024-11-08Open-market sale8,195$25.04216,615
2024-11-08Open-market sale10,000$22.11224,810
2024-11-08Open-market sale8,915$25.04215,895
2024-10-22Tax withholding1,398$18.51239,698
2024-10-22Tax withholding1,669$18.51238,029
2024-10-22Tax withholding601$18.51234,810
2024-10-22Tax withholding2,618$18.51235,411
2024-10-22Tax withholding946$18.51241,096
2024-07-22Tax withholding633$9.68242,042
2024-07-22Tax withholding2,759$9.68242,675
2024-07-22Tax withholding1,759$9.68245,434
2024-07-22Tax withholding1,473$9.68247,193
2024-07-22Tax withholding997$9.68248,666
2024-06-14Tax withholding15,614$10.44249,663
2024-06-13Grant / award80,910$0.00305,732
2024-06-13Disposition to issuer40,455$10.44265,277
2024-05-23Tax withholding686$12.12224,822
2024-04-29Grant / award25,671$0.00225,508
2024-04-22Tax withholding1,080$12.12206,329
2024-04-22Tax withholding2,990$12.12199,837
2024-04-22Tax withholding1,906$12.12202,827
2024-04-22Tax withholding1,596$12.12204,733
2024-01-22Tax withholding2,990$15.81207,409
2024-01-22Tax withholding1,080$15.81213,901
2024-01-22Tax withholding1,596$15.81212,305
2024-01-22Tax withholding1,906$15.81210,399
2024-01-22Tax withholding1,578$15.81214,981
2024-01-05Option exercise (derivative)1,100$0.000
2024-01-05Tax withholding922$18.53216,559
2024-01-05Option exercise1,100$13.84217,481
2023-10-23Tax withholding1,140$6.91218,168
2023-10-23Tax withholding1,787$6.91216,381
2023-10-23Tax withholding955$6.91219,308
2023-10-23Tax withholding647$6.91220,263
2023-10-23Tax withholding944$6.91220,910
2023-08-10Open-market sale13,637$14.08221,854
2023-08-08Open-market sale32,346$12.07235,491
2023-07-25Tax withholding2,374$2.14267,837
2023-07-24Tax withholding2,369$7.91270,211
2023-07-24Tax withholding1,511$7.91272,580
2023-07-24Tax withholding1,266$7.91274,091
2023-07-24Tax withholding856$7.91275,357
2023-07-24Tax withholding1,251$7.91276,213
2023-06-26Grant / award112,099$0.00277,464
2023-04-24Tax withholding1,425$2.14167,065
2023-04-24Tax withholding1,408$2.14169,456
2023-04-24Tax withholding966$2.14168,490
2023-04-24Tax withholding1,700$2.14165,365
2023-01-23Tax withholding1,155$2.21170,864
2023-01-23Tax withholding969$2.21172,019
2023-01-23Tax withholding657$2.21172,988
2023-01-23Tax withholding958$2.21173,645
2023-01-23Tax withholding239$2.21174,603
2022-11-10Open-market sale50,490$2.15174,842
2022-10-24Tax withholding1,612$2.74225,332
2022-10-24Tax withholding1,351$2.74226,944
2022-10-24Tax withholding916$2.74228,295
2022-10-24Tax withholding1,335$2.74229,211
2022-10-24Tax withholding330$2.74230,546
2022-07-25Tax withholding1,572$2.96230,876
2022-07-22Tax withholding324$1.82237,544
2022-07-22Tax withholding1,305$1.82236,239
2022-07-22Tax withholding896$1.82235,343
2022-07-22Tax withholding1,320$1.82234,023
2022-07-22Tax withholding1,575$1.82232,448
2022-06-27Grant / award71,428$0.00237,868
2022-04-22Tax withholding1,317$0.00166,440
2022-04-22Tax withholding893$0.00167,757
2022-04-22Tax withholding1,302$0.00168,650
2022-04-22Tax withholding321$0.00169,952
2022-01-24Tax withholding582$0.00174,667
2022-01-24Tax withholding367$0.00174,300
2022-01-24Tax withholding1,493$0.00172,807
2022-01-24Tax withholding1,511$0.00170,273
2022-01-24Tax withholding1,023$0.00171,784
2021-10-22Tax withholding969$0.00176,681
2021-10-22Tax withholding1,432$0.00175,249
2021-10-22Tax withholding550$0.00179,411
2021-10-22Tax withholding1,415$0.00177,650
2021-10-22Tax withholding346$0.00179,065
2021-07-23Tax withholding1,409$0.00179,961
2021-07-22Tax withholding1,393$0.00182,779
2021-07-22Tax withholding1,409$0.00181,370
2021-07-22Tax withholding341$0.00184,172
2021-07-22Tax withholding542$0.00184,513
2021-06-11Grant / award59,820$0.00144,600
2021-06-11Grant / award40,455$0.00185,055
2021-04-22Tax withholding1,415$7.9284,780
2021-04-22Tax withholding346$7.9286,195
2021-04-22Tax withholding550$7.9286,541
2021-02-19J59,820—87,091
2021-02-19Grant / award59,820$0.00146,911
2021-02-16Open-market sale1,080$12.2587,091
2021-01-27Open-market sale5,400$12.0088,171
2021-01-22Tax withholding617$10.4995,547
2021-01-22Tax withholding388$10.4995,159
2021-01-22Tax withholding1,588$10.4993,571
2021-01-22Tax withholding700$10.4996,164
2020-10-22Tax withholding1,552$10.6596,864
2020-10-22Tax withholding603$10.6598,795
2020-10-22Tax withholding684$10.6599,398
2020-10-22Tax withholding379$10.6598,416
2020-08-17Open-market sale1,080$13.36100,082
2020-07-22Tax withholding603$13.93103,093
2020-07-22Tax withholding379$13.93102,714
2020-07-22Tax withholding1,552$13.93101,162
2020-07-22Tax withholding683$13.93103,696
2020-07-20Open-market sale1,080$12.00104,379
2020-07-06Open-market sale5,388$11.54106,539
2020-07-06Open-market sale1,080$12.00105,459
2020-06-08Open-market sale5,000$10.01111,927
2020-04-22Tax withholding1,552$8.28116,927
2020-04-22Tax withholding684$8.28119,462
2020-04-22Tax withholding603$8.28118,859
2020-04-22Tax withholding380$8.28118,479
2020-02-05Tax withholding526$12.40120,146
2020-02-03Grant / award59,127$0.00120,672
2020-01-22Tax withholding674$13.7062,513
2020-01-22Tax withholding594$13.7061,919
2020-01-22Tax withholding374$13.7061,545
2019-11-05Tax withholding466$10.6063,187
2019-10-22Tax withholding336$10.8463,653
2019-10-22Tax withholding534$10.8463,989
2019-10-22Tax withholding605$10.8464,523
2019-08-05Tax withholding466$9.9665,128
2019-07-22Tax withholding534$9.6265,930
2019-07-22Tax withholding606$9.6266,464
2019-07-22Tax withholding336$9.6265,594
2019-05-06Tax withholding466$12.6067,070
2019-04-22Tax withholding605$12.5968,406
2019-04-22Tax withholding534$12.5967,872
2019-04-22Tax withholding336$12.5967,536
2019-02-12Grant / award14,400$0.0069,011
2019-02-05Tax withholding532$17.7954,611
2019-01-31Tax withholding134$17.3255,143
2019-01-22Tax withholding610$16.5955,277
2019-01-22Tax withholding691$16.5955,887
2018-11-05Tax withholding485$20.4956,578
2018-10-31Tax withholding122$20.0457,063
2018-10-22Tax withholding630$21.9157,740
2018-10-22Tax withholding555$21.9157,185
2018-08-06Tax withholding484$39.4258,370
2018-07-31Tax withholding122$37.9158,854
2018-07-23Tax withholding629$41.7859,531
2018-07-23Tax withholding555$41.7858,976
2018-05-07Tax withholding484$31.8460,160
2018-05-01Tax withholding122$31.9660,644
2018-04-23Tax withholding630$32.9961,321
2018-04-23Tax withholding555$32.9960,766
2018-02-06Grant / award22,928$0.0061,951
2018-02-05Tax withholding469$32.8139,023
2018-01-31Tax withholding111$32.8439,492
2018-01-22Tax withholding708$35.0339,603
2017-11-06Tax withholding475$37.8240,311
2017-10-31Tax withholding103$42.1240,786
2017-10-23Tax withholding642$41.4740,889
2017-08-30Tax withholding2,709$63.1041,531
2017-08-29Tax withholding2,083$63.0044,240
2017-08-07Tax withholding1,023$64.6046,323
2017-07-31Tax withholding238$96.6447,346
2017-07-24Tax withholding1,322$89.9547,584
2017-07-17Option exercise (derivative)3,300$0.001,100
2017-07-17Option exercise (derivative)1,310$0.001,125
2017-07-17Tax withholding766$84.2048,906
2017-07-17Option exercise1,310$9.9646,596
2017-07-17Option exercise3,300$13.8449,672
2017-07-17Tax withholding224$84.2046,372
2017-06-15Option exercise (derivative)6,565$0.001,310
2017-06-15Option exercise (derivative)3,435$0.000
2017-06-15Option exercise6,565$9.9655,286
2017-06-15Open-market sale10,000$60.1145,286
2017-06-15Option exercise3,435$7.5048,721
2017-05-09Option exercise (derivative)9,232$0.003,435
2017-05-09Option exercise (derivative)768$0.000
2017-05-09Open-market sale10,000$59.5045,286
2017-05-09Option exercise768$6.0046,054
2017-05-09Option exercise9,232$7.5055,286
2017-03-07Option exercise (derivative)768$0.000
2017-03-07Option exercise (derivative)2,232$0.00768
2017-03-07Option exercise2,232$6.0047,518
2017-03-07Open-market sale3,000$54.5045,286
2017-03-07Option exercise768$6.0048,286
2017-02-21Grant / award26,000$0.0045,286
2017-02-06Tax withholding1,102$31.7919,286
2017-01-31Tax withholding237$30.7620,388
2016-11-17Option exercise (derivative)3,924$0.000
2016-11-17Option exercise (derivative)3,899$0.00768
2016-11-17Option exercise3,899$6.0030,625
2016-11-17Open-market sale10,000$25.7420,625
2016-11-17Option exercise3,924$6.0026,726
2016-08-05Open-market sale756$14.2722,802
2016-08-01Open-market sale192$11.7523,558
2016-03-17Option exercise (derivative)741$0.003,924
2016-03-17Open-market sale741$17.5023,750
2016-03-17Option exercise741$6.0024,491
2016-03-14Open-market sale2,759$17.5521,786
2016-03-14Option exercise (derivative)1,335$0.004,665
2016-03-14Option exercise (derivative)167$0.000
2016-03-14Option exercise1,335$6.0023,750
2016-03-14Option exercise167$6.0025,085
2016-03-14Option exercise462$6.0025,252
2016-02-04Grant / award20,000$0.0024,545
2016-02-01Open-market sale455$15.904,545
2015-04-17Option exercise (derivative)1,833$0.00167
2015-04-17Option exercise (derivative)2,167$0.000
2015-04-17Option exercise2,167$6.007,167
2015-04-17Option exercise1,833$6.009,000
2015-04-17Open-market sale4,000$15.195,000
2015-01-30Grant / award5,000$0.005,000
2014-11-05Open-market sale100$15.673,911
2014-11-05Open-market sale100$15.724,111
2014-11-05Open-market sale100$15.714,211
2014-11-05Option exercise538$6.004,311
2014-11-05Option exercise367$6.003,773
2014-11-05Open-market sale100$15.612,100
2014-11-05Open-market sale105$15.602,200
2014-11-05Open-market sale100$15.752,305
2014-11-05Open-market sale100$15.722,405
2014-11-05Open-market sale100$15.832,505
2014-11-05Open-market sale206$15.772,605
2014-11-05Open-market sale100$15.582,811
2014-11-05Open-market sale100$15.762,911
2014-11-05Open-market sale100$15.583,011
2014-11-05Open-market sale100$15.763,111
2014-11-05Open-market sale100$15.763,211
2014-11-05Open-market sale100$15.703,311
2014-11-05Open-market sale100$15.763,411
2014-11-05Open-market sale100$15.763,511
2014-11-05Open-market sale100$15.763,611
2014-11-05Open-market sale100$15.583,711
2014-11-05Open-market sale100$15.573,811
2014-11-05Open-market sale100$15.714,011
2014-11-05Option exercise (derivative)367$0.000
2014-11-05Open-market sale100$15.631,900
2014-11-05Open-market sale100$15.612,000
2014-11-05Open-market sale100$15.580
2014-11-05Open-market sale200$15.76100
2014-11-05Open-market sale100$15.76300
2014-11-05Open-market sale100$15.77400
2014-11-05Open-market sale100$15.76500
2014-11-05Open-market sale100$15.74600
2014-11-05Open-market sale100$15.74700
2014-11-05Open-market sale100$15.70800
2014-11-05Open-market sale100$15.65900
2014-11-05Open-market sale100$15.761,000
2014-11-05Open-market sale100$15.761,100
2014-11-05Open-market sale100$15.581,200
2014-11-05Open-market sale100$15.701,300
2014-11-05Open-market sale100$15.671,400
2014-11-05Open-market sale100$15.661,500
2014-11-05Open-market sale200$15.611,600
2014-11-05Open-market sale100$15.661,800
2014-08-01Open-market sale100$18.153,506
2014-08-01Open-market sale100$18.003,606
2014-08-01Open-market sale400$18.003,706
2014-08-01Open-market sale100$18.044,106
2014-08-01Open-market sale26$18.044,206
2014-08-01Open-market sale100$18.104,232
2014-08-01Open-market sale100$18.104,332
2014-08-01Open-market sale100$17.854,432
2014-08-01Open-market sale100$17.854,532
2014-08-01Open-market sale100$17.854,632
2014-08-01Open-market sale200$17.914,732
2014-08-01Open-market sale100$18.044,932
2014-08-01Open-market sale100$18.045,032
2014-08-01Open-market sale100$18.045,132
2014-08-01Open-market sale100$18.155,232
2014-08-01Open-market sale100$18.155,332
2014-08-01Open-market sale100$18.043,406
2014-08-01Open-market sale100$18.155,532
2014-08-01Open-market sale100$18.155,432
2014-03-04Option exercise (derivative)2,833$0.000
2014-03-04Option exercise (derivative)751$0.000
2014-03-04Option exercise2,833$4.505,860
2014-03-04Tax withholding306$25.113,027
2014-03-04Tax withholding508$25.115,352
2014-03-04Option exercise751$3.003,333
2014-03-04Tax withholding120$25.115,632
2014-03-04Option exercise400$7.505,752
2014-01-28Grant / award (derivative)4,400$0.004,400
2013-09-26Grant / award (derivative)9,000$0.009,000
2013-09-25———2,582

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.