Stefan J. Murry - 10 Aug 2026 Form 4 Insider Report for APPLIED OPTOELECTRONICS, INC. (AAOI)

Reporting relationship: Chief Financial Officer
Issuer ticker: AAOI
Reported as of: 10 Aug 2026
Net transaction value: -$579,160
SEC form: 4
Accepted by SEC: 12 Aug 2026, 16:05:24 UTC
Prior SEC filing: 23 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ David C. Kuo, attorney in fact for Stefan J. Murry

Key filing fact

Stefan J. Murry filed Form 4 for APPLIED OPTOELECTRONICS, INC. (AAOI) on 12 Aug 2026.

Key facts

This page summarizes Stefan J. Murry's Form 4 filing for APPLIED OPTOELECTRONICS, INC. (AAOI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 12 Aug 2026, 16:05.

Change

Previous filing in this sequence was filed on 23 Jul 2026.
Current net transaction value: -$579,160.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001587599 Primary reporting owner

Murry Stefan J.

Relationship: Chief Financial Officer
Address: C/O APPLIED OPTOELECTRONICS, INC., 13139 JESS PIRTLE BLVD., SUGAR LAND
Signature: /s/ David C. Kuo, attorney in fact for Stefan J. Murry
Signature date: 12 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AAOI transaction

Common Stock, $.001 par value

Sale

Transaction value: $579,160
Shares: -4,000
Change %: -1.1%
Price: $144.79
Shares after: 371,168
Date: 10 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2025. The shares were sold in multiple transactions at actual sale prices ranging from $140.69 to $147.99 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold during each transaction.