AAOI

APPLIED OPTOELECTRONICS, INC.

NasdaqTechnologySemiconductors & Related Devices

Insider activity for last month from 09/19 to 10/19.

How these metrics are calculated

Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Total buying$00 buys
Total selling$1.13M2 sells
Net open-market−$1.13MBuying minus selling
Active insiders2Distinct reporting owners

Insider activity report

Calendar-month buckets within the selected date range

Latest filing: Oct 14, 2026

Open-market transaction mix · 2 transactions in the selected period
0 buys0%·100%2 sells

Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.

View exact monthly counts and disclosed values
Monthly activity within the selected period; unknown values remain unknown.
MonthBuysSellsAwards (A)Buy valueSell valueNet P/S value
Sep 2026000$0$0$0
Oct 2026020$0$1.13M-$1.13M

Distinct insiders active

Reporting-owner CIKs by month · peak Oct 2026 (2)
Sep 2026: 0 insidersOct 2026: 2 insiders
Sep 2026Oct 2026
2distinct insiders in selected period
Largest insider activity
By absolute net disclosed value · current transaction page
2 insiders

AAOI transaction history

Newest filings · 20 transactions per page

Latest insider transactions

Form 4 filings from last month.
Newest company filings
CompanyInsiderActivityDisclosed valueFiled (ET)
AAOIAPPLIED OPTOELECTRONICS, INC.
Murry Stefan J.CFOS · sale10b5-1 detectedSEC filing ↗-$411kView disclosure →
AAOIAPPLIED OPTOELECTRONICS, INC.
Yeh Shu-Hua (Joshua)SRS · sale10b5-1 detectedSEC filing ↗-$720kView disclosure →

Filing-only signals

Deterministic matches in the selected period

Recent filing activity
Most recent 2 transactions on this page · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$720k
10b5-1 detected2
Amended rows0

Transaction codes

By Form 4 transaction code in selected period
2transactionstxns
  • S · Open-market sells · dominant2 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
Chief financial officer1
SR1

Reported Holdings After

Separated by insider, security, and ownership type

Yeh Shu-Hua (Joshua)Common Stock, $.001 par value · Direct
371.5k371.5kOct 05, 2026Oct 05, 2026
371,498Oct 05, 2026
Murry Stefan J.Common Stock, $.001 par value · Direct
363.2k363.2kOct 12, 2026Oct 12, 2026
363,168Oct 12, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells red
2 active days
Sep 19 → Oct 19
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APPLIED OPTOELECTRONICS, INC. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at APPLIED OPTOELECTRONICS, INC.?

Murry Stefan J., Yeh Shu-Hua (Joshua).

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Murry Stefan J. reported a sale on Oct 12, 2026 valued at $411k. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $1,131,660.00. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.