AMKR (NASDAQ) broker lists 5,000-share option sale for 06/12/2026

Rhea-AI Filing Summary

AMKR notice: a brokered sale of 5,000 common shares is listed as a stock option exercise to be sold on 06/12/2026 through Morgan Stanley Smith Barney LLC for cash. The excerpt also shows a prior sale of 7,000 common shares on 05/05/2026 for $535,136.

Insights

Equity Capital Markets Analyst

Section 144 notice lists a 5,000-share option exercise sale on 06/12/2026.

The filing excerpt documents a broker (Morgan Stanley Smith Barney LLC) handling a stock option exercise for 5,000 shares to be sold for cash on 06/12/2026. Prior transaction data show a 7,000-share sale on 05/05/2026 for $535,136.

Regulatory effect is administrative: this is a notice of intent to sell under the relevant resale rules. Subsequent filings or confirmations will show actual sales and cash flow.

Key Figures

Shares to be sold: 5,000 shares Prior shares sold: 7,000 shares Proceeds from prior sale: $535,136

3 metrics

Shares to be sold 5,000 shares stock option exercise on 06/12/2026

Prior shares sold 7,000 shares sale on 05/05/2026

Proceeds from prior sale $535,136 sale on 05/05/2026

Key Terms

Form 144, stock option exercise, Issuer

3 terms

Form 144 regulatory

"Filer Information | | | 144: Filer Information"

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.

stock option exercise financial

"Common | 06/12/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Issuer regulatory

"Common | 06/12/2026 | Stock Option Exercise | Issuer"

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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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	5000	391000.00	247872518	06/12/2026	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	06/12/2026	Stock Option Exercise	Issuer			5000	06/12/2026	Cash

* 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
Winston J Churchill 2045 East Innovation Circle Tempe AZ 85284	Common	05/05/2026	7000	535136.00

144: Remarks and Signature

Remarks

Date of Notice

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 AMKR Form 144 notice disclose?

The notice lists a planned stock option exercise sale of 5,000 common shares on 06/12/2026 through Morgan Stanley Smith Barney LLC. It also records a prior sale of 7,000 shares on 05/05/2026 for $535,136.

Who is the broker handling the sale in the AMKR filing?

The filing names Morgan Stanley Smith Barney LLC as the broker involved. The excerpt shows the broker address and lists the execution method as a stock option exercise with cash proceeds on 06/12/2026.

How many shares are covered and what were recent sales?

The excerpt covers a planned sale of 5,000 shares on 06/12/2026. It also discloses a prior sale of 7,000 shares on 05/05/2026 that generated $535,136 according to the entry shown.

Does the Form 144 confirm the sale is completed for AMKR?

No; this notice indicates an intended resale via a stock option exercise on 06/12/2026. The document records intent and a prior completed sale on 05/05/2026, but final trade confirmations are not included in the excerpt.