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BCS

Changes in Beneficial Ownership · 4

Applied Optoelectronics, Inc.

AAOINASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Sep 17, 2026Accepted Sep 17, 2026, 4:08 PM EDTFiling CIK 1158114Accession 0001683168-26-007214
Share

Structured filing — 4

ownership.xml

Open full document ↗

Filing details

Report period
2026-09-15
Issuer
APPLIED OPTOELECTRONICS, INC.
Issuer CIK
0001158114
Trading symbol
AAOI

Reporting owner 1

Name
BLACK RICHARD B
Reporting owner CIK
0001199697
Relationship
Director
Address
C/O APPLIED OPTOELECTRONICS, INC., 13139 JESS PIRTLE BLVD., SUGAR LAND, TX

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnershipNature of ownership
Common Stock, $.001 par value2026-09-15G · Form 4[F1]2,200D0.00159,092IBy Trust
Table key
G · Form 4
Bona fide gift
D
Disposed
I
Indirect

Non-derivative holdings

Non-derivative holdings · 1 reported row
SecurityAmount ownedOwnership
Common Stock, $.001 par value4,237D
Table key
D
Direct

Footnotes

F1
Represents a bona fide gift of shares to a 501(c)(3) non-profit organization by The Richard B. Black Revocable Trust U/A Dtd. Aug 31, 1998; Richard B. Black TTEE. The shares were held by the Reporting Person in a revocable living trust of which the Reporting Person is the sole trustee and beneficial owner.↩ 1

Signature 1

Signed
/s/ David C. Kuo, attorney in fact for Richard B. Black
Date
2026-09-17

Company context

Applied Optoelectronics, Inc. (AOI) is a leading developer and manufacturer of advanced optical and Hybrid Fiber-Coax (HFC) networking products that are the building blocks for AI datacenters, CATV and broadband fiber access networks around the world. AOI supplies this critical infrastructure to tier-one customers across cloud computing, CATV broadband, telecom, and FTTH markets. The company has R&D facilities in Atlanta, GA, and engineering and manufacturing facilities at its corporate headquarters in Sugar Land, TX, as well as in Taipei, Taiwan and Ningbo, China. For additional information, visit www.ao-inc.com. # # #

Current securities

Recent company filings

  1. 10-Q filingNov 5, 2026
  2. Results of Operations and Financial ConditionNov 5, 2026
  3. Entry into a Material Definitive Agreement · Termination of a Material Definitive Agreement · Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementNov 4, 2026
  4. SCHEDULE 13G/A - filed by BlackRock, Inc. regarding APPLIED OPTOELECTRONICS, INC.Oct 27, 2026
  5. Entry into a Material Definitive Agreement · Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementSep 15, 2026

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