Applied Optoelectronics, Inc. (AAOI) Insider Ownership

Historic Insider Ownership Trends

Applied Optoelectronics's three largest insider shareholders as of March 23, 2026 are Chih-Hsiang (Thompson) Lin (President And Ceo, 1.71Mn shares), Chih-Hsiang (Thompson) Lin (President And Ceo, 1.66Mn shares), Shu-Hua (Joshua) Yeh (*** See Remarks, 322.05K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Chih-Hsiang (Thompson) Lin President And Ceo 1,705,277 0 11 Feb, 2026
Chih-Hsiang (Thompson) Lin President And Ceo 0 1,661,165 15 Aug, 2025
Shu-Hua (Joshua) Yeh *** See Remarks 322,051 0 10 Mar, 2026
Stefan J. Murry Chief Financial Officer 280,070 0 10 Mar, 2026
Che-Wei Lin 253,506 0 15 Aug, 2025
William H Yeh 238,819 0 10 Mar, 2026
Hung-Lun (Fred) Chang *** See Remarks 233,618 0 18 Mar, 2026
Min-Chu (Mike) Chen 169,300 20,000 10 Mar, 2026
Richard B Black 170,094 0 17 Jun, 2025
Richard B Black 0 164,363 05 Mar, 2026
Cynthia Delaney 116,222 0 05 Mar, 2026
David C Kuo *** See Remarks 82,663 0 23 Mar, 2026
Elizabeth G Loboa 20,523 0 05 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
19 Mar, 2026 David C Kuo Common Stock, $.001 par value D 29,000 $100.13 82,663 D S
16 Mar, 2026 Hung-Lun (Fred) Chang Common Stock, $.001 par value D 36,400 $100.25 233,618 D S
09 Mar, 2026 Shu-Hua (Joshua) Yeh Common Stock, $.001 par value D 50,000 $97.10 322,051 D S
09 Mar, 2026 William H Yeh Common Stock, $.001 par value D 15,000 $105.76 238,819 D S
06 Mar, 2026 Min-Chu (Mike) Chen Common Stock, $.001 par value D 2,500 $97.00 20,000 I S
10 Mar, 2026 Stefan J. Murry Common Stock, $.001 par value D 4,000 $112.76 280,070 D S
09 Mar, 2026 Min-Chu (Mike) Chen Common Stock, $.001 par value D 8,835 $108.72 169,300 D S
04 Mar, 2026 Cynthia Delaney Common Stock, $.001 par value D 21,000 $98.02 116,222 D S
03 Mar, 2026 Elizabeth G Loboa Common Stock, $.001 par value D 102,347 $95.76 20,523 D S
05 Mar, 2026 Richard B Black Common Stock, $.001 par value D 3,231 $95.00 164,363 I S
20 Feb, 2026 Stefan J. Murry Common Stock, $.001 par value D 5,980 $50.15 284,070 D S
09 Feb, 2026 Shu-Hua (Joshua) Yeh Common Stock, $.001 par value A 25,799 $0.00 372,051 D A
09 Feb, 2026 Chih-Hsiang (Thompson) Lin Common Stock, $.001 par value A 82,559 $0.00 1,705,277 D A
09 Feb, 2026 David C Kuo Common Stock, $.001 par value A 17,027 $0.00 131,663 D A
09 Feb, 2026 Hung-Lun (Fred) Chang Common Stock, $.001 par value A 25,799 $0.00 270,018 D A
09 Feb, 2026 Stefan J. Murry Common Stock, $.001 par value A 32,249 $0.00 308,070 D A
10 Feb, 2026 David C Kuo Common Stock, $.001 par value D 2,533 $50.00 129,130 D S
10 Feb, 2026 Stefan J. Murry Common Stock, $.001 par value D 4,000 $48.68 304,070 D S
11 Feb, 2026 David C Kuo Common Stock, $.001 par value D 17,467 $50.17 111,663 D S
10 Feb, 2026 Stefan J. Murry Common Stock, $.001 par value D 2,327 $50.00 301,743 D S