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Applied Optoelectronics (AAOI) insider trading in the last 6 months

7 insiders sold $81.1M. No buys.

Filings: 16, in the last 6 months
Quality Score: -3, Poor

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Form 4 filings, newest first

SellHung-Lun Chang$3.5M*** See Remarksat $110.21 on Sep 8, filed Sep 10
SellChih-Hsiang (Thompson) Lin$9.8MPresident and CEOat $166.53 on Jun 12, filed Jun 16
SellHung-Lun Chang$5.7M*** See Remarksat $166.53 on Jun 12, filed Jun 16

From SEC Form 4s, the newest filed Sep 10, 2026 · Insiders have 2 business days to file a trade

13 more filings on AAOI in the last 6 months, for Pro members. See them free →

Pro members see every filing on AAOI with what each insider bought or sold and at what price, and can turn on an optional alert when an insider buys.

Who files at Applied Optoelectronics

Insider trades by person

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Questions about AAOI's insider trades

As of Nov 10, 2026: Applied Optoelectronics (AAOI) has 16 insider filings on record in the last 6 months, the newest filed Sep 10, 2026. Its Quality Score is -3 (Poor). Scores as of 9:50 AM ET, 15 minutes behind.

Are AAOI insiders buying or selling?

7 insiders sold $81.1M across 16 filings in the last 6 months. No open-⁠market buys on record. The newest filing: Hung-⁠Lun Chang, *** See Remarks, sold $3.5M on Sep 8, 2026.

Who are AAOI's biggest insider sellers?

By the dollars of their sales in the last 6 months: Chih-⁠Hsiang (Thompson) Lin (President and CEO), 2 sales; Hung-⁠Lun Chang (*** See Remarks), 4 sales; Shu-⁠Hua Yeh (*** See Remarks), 4 sales. 7 insiders sold in all.

When did an AAOI insider last buy?

No AAOI insider bought shares on the open market in the last 6 months, as filed on Form 4. The newest filing is a sale by Hung-⁠Lun Chang on Sep 8, 2026.

Applied Optoelectronics's page has its Quality Score, its chart, and its earnings. More in Technology and Semiconductors.

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Shares insiders bought or sold themselves, as filed on Form 4. Grants, option exercises, shares withheld for tax, and 10b5-1 plan sales are left out.

Our top-scored stocks' record: Oct 2021 to Sep 2026, before costs. Recorded live since Sep 9, 2026.

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