Frank K. Lee sells PLAB shares (NASDAQ: PLAB) via Form 144 filings

Rhea-AI Filing Summary

PLAB reporting person Frank K. Lee filed a Form 144 for dispositions of common stock, reporting multiple open-market sales and a 5,000-share sale scheduled from an option exercise. The filing lists past sales including 10,000 shares on 01/13/2026 for $344,156.58 and 5,000 shares on 04/09/2026 for $220,000.00. The notice names Fidelity Brokerage Services LLC as the broker and indicates the 5,000 shares from an option granted 01/02/2018 were sold for cash on 04/13/2026.

Key Figures

Shares listed to be sold: 5,000 shares Sale example — 01/13/2026: 10,000 shares Sale example — 03/23/2026: 10,000 shares +2 more

5 metrics

Shares listed to be sold 5,000 shares to be sold on 04/13/2026 from option granted 01/02/2018

Sale example — 01/13/2026 10,000 shares sold 01/13/2026 for $344,156.58

Sale example — 03/23/2026 10,000 shares sold 03/23/2026 for $390,000.00

Sale example — 04/09/2026 5,000 shares sold 04/09/2026 for $220,000.00

Brokerage firm listed Fidelity Brokerage Services LLC broker handling transactions, address provided

Key Terms

Form 144, Option Granted, Issuer, Cash

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.

Option Granted financial

"Option Granted - 01/02/2018"

Issuer legal

"Issuer | | | 5000 | 04/13/2026 | Cash"

Cash financial

"5000 | 04/13/2026 | Cash"

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

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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	5000	225000.00	58966394	04/13/2026	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	04/13/2026	Option Granted - 01/02/2018	Issuer			5000	04/13/2026	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
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/13/2026	10000	344156.58
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/15/2026	10000	341360.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/16/2026	10000	345090.55
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	03/19/2026	10000	358024.17
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	03/23/2026	10000	390000.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	03/26/2026	5000	204000.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	04/01/2026	5000	210000.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	04/06/2026	5000	202650.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	04/08/2026	5000	216350.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	04/09/2026	5000	220000.00

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 PLAB's Form 144 filed by Frank K. Lee report?

It reports multiple dispositions of PLAB common stock by Frank K. Lee via Form 144. The filing lists broker information and specific sale dates and proceeds for several blocks between 01/13/2026 and 04/13/2026.

How many shares were listed as to be sold on 04/13/2026 in the PLAB Form 144?

The filing lists 5,000 shares to be sold on 04/13/2026. Those shares are associated with an option granted 01/02/2018 and the transaction method is listed as cash with Fidelity Brokerage Services LLC.

What sale examples are included in the PLAB Form 144's past three months section?

Examples include 10,000 shares sold 01/13/2026 for $344,156.58 and 5,000 shares sold 04/09/2026 for $220,000.00. The filing lists several additional sale dates with proceeds for each block.

Who is the broker handling the transactions in the PLAB Form 144?

Fidelity Brokerage Services LLC is listed as the broker. The filing gives Fidelity's address and connects it to the 5,000-share transaction and other disposition entries in the notice.

Does the PLAB Form 144 show the origin of the shares sold on 04/13/2026?

The 5,000 shares are tied to an option granted on 01/02/2018 and listed as sold for cash. The filing explicitly labels the source as an issuer option exercise and the cash sale method.