PLAB (NASDAQ: PLAB) insider Frank K. Lee plans 10,000-share sale

Rhea-AI Filing Summary

Frank K. Lee has filed a notice of intent to sell 10,000 shares of common stock of the issuer under Rule 144. The planned sale is to be executed through Fidelity Brokerage Services LLC on the NASDAQ, with an indicated aggregate market value of $345,090.55, and the issuer has 59,064,641 shares of this class outstanding. These 10,000 shares were acquired on 01/03/2026 through restricted stock vesting from the issuer as compensation, with payment dated the same day.

The filing also lists prior sales of the issuer’s common stock by Frank K. Lee over the past three months, including multiple transactions in December 2025 and January 2026, each ranging from 8,750 to 20,000 shares with individual gross proceeds in the hundreds of thousands of dollars. By signing the notice, the seller represents that they do not know of any material adverse, non-public information about the issuer’s current or prospective operations.

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	10000	345090.55	59064641	01/16/2026	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	01/03/2026	Restricted Stock Vesting	Issuer			10000	01/03/2026	Compensation

* 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	12/12/2025	20000	770639.58
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	12/15/2025	20000	729018.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	12/22/2025	8750	300225.83
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/02/2026	8750	293432.57
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/05/2026	10000	339000.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/06/2026	10000	354058.32
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/07/2026	10000	348285.03
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/12/2026	10000	330500.00
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

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 this Form 144 filing for PLAB disclose?

The Form 144 discloses that Frank K. Lee intends to sell 10,000 shares of common stock of the issuer through Fidelity Brokerage Services LLC on the NASDAQ under Rule 144.

How many PLAB shares are planned to be sold and on which exchange?

The notice covers a proposed sale of 10,000 common shares with an aggregate market value of $345,090.55, to be sold on the NASDAQ.

How and when did Frank K. Lee acquire the shares being sold?

The 10,000 shares to be sold were acquired on 01/03/2026 via restricted stock vesting from the issuer, classified as compensation, with the payment date also on 01/03/2026.

How many PLAB shares are outstanding according to this filing?

For the class of common stock being sold, the filing reports 59,064,641 shares outstanding.

Which broker is handling the planned Rule 144 sale for PLAB shares?

The planned sale is to be executed through Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917.

What prior PLAB stock sales by Frank K. Lee are disclosed in the past 3 months?

The filing lists several prior sales of the issuer’s common stock by Frank K. Lee between 12/12/2025 and 01/15/2026, with individual transactions ranging from 8,750 to 20,000 shares and gross proceeds such as $770,639.58, $729,018.00, and $300,225.83.

What representation does the seller make about non-public information on the issuer?

By signing the notice, the seller represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.