PRLB Stock (NYSE: PRLB) insider files to sell 368 common shares

Rhea-AI Filing Summary

An affiliated holder of PRLB has filed a notice of proposed sale of restricted or control securities under Rule 144. The person plans to sell 368 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services, with an approximate sale date of 01/16/2026 on the NYSE. These 368 common shares were acquired on 05/15/2025 through an Employee Stock Purchase Plan from the issuer and paid for in cash.

Over the prior three months, the same seller, Oleg Ryaboy, has reported multiple sales of the issuer’s common stock, including 9,710 shares sold on 11/07/2025 for gross proceeds of 471,629.27 and 7,178 shares sold on 01/15/2026 for gross proceeds of 393,330.00. By signing the notice, the seller represents that they are not aware of any undisclosed material adverse 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

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	368	20168.90	23678745	01/16/2026	NYSE

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	05/15/2025	Shares Purchased through Employee Stock Purchase Plan	Issuer			368	05/15/2025	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
OLEG RYABOY 5540 Pioneer Creek Drive Maple Plain MN 55359	Common	11/25/2025	695	34686.76
OLEG RYABOY 5540 Pioneer Creek Drive Maple Plain MN 55359	Common	11/07/2025	9710	471629.27
OLEG RYABOY 5540 Pioneer Creek Drive Maple Plain MN 55359	Common	01/15/2026	7178	393330.00
OLEG RYABOY 5540 Pioneer Creek Drive Maple Plain MN 55359	Common	01/08/2026	7026	384413.54
OLEG RYABOY 5540 Pioneer Creek Drive Maple Plain MN 55359	Common	01/07/2026	6669	357327.02

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 PRLB disclose?

The filing discloses that an affiliated holder of PRLB intends to sell 368 shares of common stock under Rule 144. It also lists several prior sales of the issuer’s common stock by the same seller during the last three months, including share counts and gross proceeds for each transaction.

How many PRLB shares are planned to be sold under this Form 144?

The notice covers a proposed sale of 368 shares of PRLB common stock. These shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services, with an approximate sale date of 01/16/2026 on the NYSE.

How and when were the PRLB shares in this Form 144 acquired?

The 368 common shares covered by this notice were acquired on 05/15/2025 through an Employee Stock Purchase Plan from the issuer, and the purchase price was paid in cash on the same date.

Who is the selling security holder in the PRLB Form 144 and what have they sold recently?

The selling security holder is Oleg Ryaboy. Over the past three months, the filing lists several sales of PRLB common stock by this holder, including 9,710 shares sold on 11/07/2025 for gross proceeds of 471,629.27 and 7,178 shares sold on 01/15/2026 for gross proceeds of 393,330.00.

What representations does the seller make in this PRLB Form 144?

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. The form also notes that intentional misstatements or omissions can constitute federal criminal violations.

Which broker and exchange are involved in the planned PRLB share sale?

The planned sale of 368 PRLB common shares is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, with the securities listed for trading on the NYSE.