AAOI insider files notice: Hung-Lun Chang sells shares

Rhea-AI Filing Summary

Notice of proposed insider sale by a reporting person associated with AAOI. The excerpt lists proposed and recent dispositions of Common Stock and equity awards, including RSU and PSU grants dated 07/25/2023, 10/23/2023, 07/22/2024, 04/22/2025, 05/01/2025, and 05/14/2025, and three reported sales by Hung-Lun Chang on 05/19/2026 (33,630 shares), 06/05/2026 (4,000 shares), and 06/12/2026 (34,000 shares) with gross proceeds shown in the excerpt.

Insights

Corporate Governance Analyst

Form 144 lists multiple equity awards and recent open-market dispositions by a reporting person.

The filing excerpt documents outstanding RSU/PSU grant dates and counts and three recent sales by Hung-Lun Chang with associated gross proceeds. These entries are routine disclosures of proposed or reported sales under Section 144 procedures.

Timing and cash‑flow treatment are shown as transaction dates and gross proceeds; any plan-based trading (e.g., 10b5‑1) is not indicated in the excerpt. Subsequent filings may provide fuller attribution and post‑transaction holdings.

Equity Markets Specialist

Sales reported are specific share counts and proceeds; they signal individual liquidity events, not company actions.

The excerpt lists three dispositions: 33,630, 4,000, and 34,000 shares on specified dates with gross proceeds recorded. The securities-to-be-sold table shows RSU/PSU grant dates and quantities that may underlie future sales.

Cash‑flow recipients and whether sales were pre‑arranged are not shown in the excerpt; follow‑up filings would clarify whether these were requested sales or issuer transfers.

Key Figures

Sale on 05/19/2026: 33,630 shares Sale on 06/05/2026: 4,000 shares Sale on 06/12/2026: 34,000 shares +2 more

5 metrics

Sale on 05/19/2026 33,630 shares reported sale by Hung-Lun Chang

Sale on 06/05/2026 4,000 shares reported sale by Hung-Lun Chang

Sale on 06/12/2026 34,000 shares reported sale by Hung-Lun Chang

RSU grant 07/25/2023 4,632 shares RSU listed in securities-to-be-sold table

PSU grant 05/14/2025 15,000 shares PSU listed in securities-to-be-sold table

Key Terms

Form 144, RSU, PSU, Gross proceeds

4 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

RSU financial

"07/25/2023 | RSU | issuer"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

PSU financial

"05/14/2025 | PSU | issuer"

A PSU is a company where the government owns a controlling stake and often plays a direct role in its management and strategy. Think of it like a business that operates with public oversight, similar to a town-run utility versus a private neighborhood service. Investors watch PSUs differently because government involvement can affect profits, dividend policies, regulatory treatment and stability, so these stocks may behave more like policy instruments than pure market-driven enterprises.

Gross proceeds financial

"34000 | 5662149.00"

The total amount of cash a company receives from a financing event or sale before any fees, expenses, taxes or deductions are taken out. Investors watch gross proceeds because it shows the raw scale of new capital being raised—think of it as the paycheck amount before withholdings—which helps assess how much funding is available for operations, growth, debt payoff or how much shareholder dilution might occur once costs are removed.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Raymond James & Associates 880 Carillon Parkway St. Petersburg FL 33716	40329	6880026.58	80242767	06/17/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/25/2023	RSU	issuer			4632	07/25/2023	NA
Common	10/23/2023	RSU	Issuer			1881	10/23/2023	NA
Common	07/22/2024	RSU	Issuer			7924	07/22/2024	NA
Common	04/22/2025	RSU	iSSUER			9642	05/22/2025	NA
Common	05/01/2025	RSU	Issuer			1250	05/01/2025	NA
Common	05/14/2025	PSU	issuer			15000	05/14/2025	NA

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Hung-Lun Chang 5515 Regency Dr. Sugar Land, TX 77479	Common	06/12/2026	34000	5662149.00
Hung-Lun Chang 5515 Regency Dr., Sugar Land TX 77479	Common	06/05/2026	4000	800307.00
Hung-Lun Chang 5515 Regency Dr. Sugar Land TX 77479	Common	05/19/2026	33630	5629844.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the AAOI Form 144 excerpt show about recent insider sales?

The excerpt shows three sales by Hung-Lun Chang: 33,630 shares on 05/19/2026, 4,000 shares on 06/05/2026, and 34,000 shares on 06/12/2026, with gross proceeds listed for each transaction.

Which equity awards are listed as securities to be sold in the excerpt?

The table lists multiple awards: RSUs dated 07/25/2023 (4,632), 10/23/2023 (1,881), 07/22/2024 (7,924), 04/22/2025 (9,642), 05/01/2025 (1,250), and a PSU dated 05/14/2025 (15,000), each labeled as issued by the issuer.

Do the reported transactions indicate who received the sale proceeds?

The excerpt provides gross proceeds figures associated with each reported sale by Hung-Lun Chang, but it does not explicitly state who received the cash; the listed proceeds reflect the transaction values shown in the filing excerpt.

Does this Form 144 excerpt show whether sales were pre-arranged or part of a trading plan?

No. The provided excerpt does not state whether transactions were made pursuant to a Rule 10b5-1 plan or other pre-arranged instructions; that detail is not included in the visible content.

Are the RSU and PSU counts in the table registered for resale here?

The table lists RSU and PSU grant dates and counts labeled as securities to be sold, but the excerpt does not include explicit registration language; the items are presented as awards with quantities and dates as shown.