APPLIED OPTOELECTRONICS, INC.·4

Jan 26, 7:00 PM ET

Chang Hung-Lun (Fred) 4

4 · APPLIED OPTOELECTRONICS, INC. · Filed Jan 26, 2026

Research Summary

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Applied Optoelectronics (AAOI) SVP Fred Chang Surrenders Shares for Taxes

What Happened
Fred Chang, Senior Vice President and North America General Manager of Applied Optoelectronics (AAOI), surrendered a total of 6,338 shares to the company on Jan. 22, 2026 to satisfy tax-withholding obligations tied to vested restricted stock units (RSUs). The shares were surrendered at $38.38 per share for a total value of $243,252 (1,874 shares = $71,924; 2,940 shares = $112,837; 674 shares = $25,868; 850 shares = $32,623). This was a non-open-market, routine tax-withholding disposition rather than a discretionary sale.

Key Details

  • Transaction date: 2026-01-22; Filing date: 2026-01-26 (filed within the typical two-business-day window).
  • Price per share: $38.38. Total shares surrendered: 6,338. Total value: $243,252.
  • Shares owned after the transactions: not provided in the excerpt of the filing.
  • Footnotes indicate these surrenders were to satisfy tax withholding on vested RSUs from grants dated: 6/27/2022 (F1), 6/26/2023 (F2), 4/29/2024 (F3), and 4/11/2025 (F4).
  • Transaction code: F — tax withholding (not an open-market sale).

Context
Surrendering shares to cover tax withholding on vested RSUs is a common, administrative transaction and does not necessarily signal a change in the insider’s view of the company. This was not a purchase or market sale by the insider; it was a cashless tax-withholding settlement of vested equity awards.

Insider Transaction Report

Form 4
Period: 2026-01-22
Chang Hung-Lun (Fred)
*** See Remarks
Transactions
  • Tax Payment

    Common Stock, $.001 par value

    [F1]
    2026-01-22$38.38/sh1,874$71,924248,683 total
  • Tax Payment

    Common Stock, $.001 par value

    [F2]
    2026-01-22$38.38/sh2,940$112,837245,743 total
  • Tax Payment

    Common Stock, $.001 par value

    [F3]
    2026-01-22$38.38/sh674$25,868245,069 total
  • Tax Payment

    Common Stock, $.001 par value

    [F4]
    2026-01-22$38.38/sh850$32,623244,219 total
Footnotes (4)
  • [F1]Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on June 27, 2022.
  • [F2]Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on June 26, 2023.
  • [F3]Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on April 29, 2024.
  • [F4]Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on April 11, 2025.
Signature
/s/ David C. Kuo, attorney in fact for Hung-Lun (Fred) Chang|2026-01-26

Documents

1 file
  • 4
    ownership.xmlPrimary