Is Cynthia DeLaney’s AAOI share sale classified as an open‑market transaction?

Yes, the transaction is classified as an open‑market sale under code “S.” The filing describes it as a sale in open market or private transactions, with multiple executions on May 26, 2026 at various prices within the disclosed range.

[Form 4] APPLIED OPTOELECTRONICS, INC. Insider Trading Activity

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

APPLIED OPTOELECTRONICS, INC. director Cynthia DeLaney reported an open-market sale of 56,575 shares of common stock on May 26, 2026 at a weighted average price of $189.23 per share. The sale was executed in multiple transactions at prices ranging from $185.00 to $194.78 per share.

Following this sale, DeLaney directly holds 59,647 shares of common stock. The filing also reports 2,380 shares held indirectly through her spouse, Norman Stephan Kinsella, with DeLaney disclaiming beneficial ownership of those shares except for any indirect pecuniary interest.

Insights

Director executes sizable open‑market sale but retains a meaningful position.

Director Cynthia DeLaney sold 56,575 shares of APPLIED OPTOELECTRONICS common stock in open-market transactions at a weighted average price of $189.23 on May 26, 2026. The trades were broken into multiple executions between $185.00 and $194.78 per share.

After these sales, DeLaney continues to hold 59,647 shares directly, so this filing shows a partial reduction rather than a full exit. The filing also notes 2,380 additional shares held indirectly by her spouse, with a disclaimer of beneficial ownership except for any indirect pecuniary interest.

The transactions are open-market sales, which typically carry more informational weight than automatic grants or tax withholdings. However, without data on company-wide shares outstanding or any stated trading plan, the broader significance of these sales must be evaluated alongside future company disclosures and additional insider activity.

Insider Trade Summary

Net Seller: 56,575 shares ($10,705,602)

Net Sell 2 txns

Insider DeLaney Cynthia

Role null

Sold 56,575 shs ($10.71M)

Type	Security	Shares	Price	Value
Sale	Common Stock, $.001 par value	56,575	$189.2285	$10.71M
holding	Common Stock, $.001 par value	--	--	--

Holdings After Transaction: Common Stock, $.001 par value — 59,647 shares (Direct, null); Common Stock, $.001 par value — 2,380 shares (Indirect, By Spouse)

Footnotes (1)

The shares were sold in multiple transactions on May 26, 2026 at actual sale prices ranging from $185.00 to $194.78 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. Held directly by Norman Stephan Kinsella, the spouse of Cynthia DeLaney. Ms. DeLaney disclaims beneficial ownership of all securities that may be deemed to be beneficially owned by her spouse, except to the extent of any indirect pecuniary interest therein.

Form 4 Insider Transactions: What Each Field Means →

05/28/2026 - 04:03 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DeLaney Cynthia

(Last)

(First)

(Middle)

C/O APPLIED OPTOELECTRONICS, INC.

13139 JESS PIRTLE BLVD.

(Street)

SUGAR LAND

TEXAS

77478

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
APPLIED OPTOELECTRONICS, INC. [ AAOI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/26/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, $.001 par value	05/26/2026		S		56,575⁽¹⁾	D	$189.2285	59,647	D
Common Stock, $.001 par value								2,380⁽²⁾	I	By Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The shares were sold in multiple transactions on May 26, 2026 at actual sale prices ranging from $185.00 to $194.78 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.

2. Held directly by Norman Stephan Kinsella, the spouse of Cynthia DeLaney. Ms. DeLaney disclaims beneficial ownership of all securities that may be deemed to be beneficially owned by her spouse, except to the extent of any indirect pecuniary interest therein.

	/s/ David C. Kuo, attorney in fact for Cynthia (Cindy) DeLaney	05/28/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did AAOI director Cynthia DeLaney report?

Director Cynthia DeLaney reported selling 56,575 shares of APPLIED OPTOELECTRONICS common stock. The open‑market sale occurred on May 26, 2026 at a weighted average price of $189.23 per share, executed through multiple trades within a stated price range.

At what prices were Cynthia DeLaney’s AAOI shares sold?

The shares were sold at prices ranging from $185.00 to $194.78 per share. The reported transaction price of $189.23 reflects the weighted average sale price across all executions on May 26, 2026, as disclosed in the Form 4 footnote.

How many AAOI shares does Cynthia DeLaney hold after the reported sale?

After the reported sale, Cynthia DeLaney directly holds 59,647 shares of APPLIED OPTOELECTRONICS common stock. The Form 4 also shows 2,380 additional shares held indirectly through her spouse, subject to a disclaimer of beneficial ownership.

Were Cynthia DeLaney’s remaining AAOI holdings completely sold?

No, Cynthia DeLaney did not sell all her holdings. She sold 56,575 shares but still directly owns 59,647 shares after the transaction. This indicates a reduction in position rather than a full disposition of her APPLIED OPTOELECTRONICS stake.

What does the Form 4 say about AAOI shares held by Cynthia DeLaney’s spouse?

The Form 4 reports 2,380 AAOI shares held by her spouse, Norman Stephan Kinsella. DeLaney disclaims beneficial ownership of these securities, except to the extent of any indirect pecuniary interest she may have in the spouse-held shares.