Suresh Krishna - 04 Aug 2025 Form 4 Insider Report for Proto Labs Inc (PRLB)

Role: President and CEO, Director
Signature: /s/ W. Morgan Burns, Attorney-in-Fact
Issuer symbol: PRLB
Transactions as of: 04 Aug 2025
Net transactions value: +$75,055
Form type: 4
Filing time: 06 Aug 2025, 20:48:14 UTC
Previous filing: 28 May 2025
Next filing: 27 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Krishna Suresh	President and CEO, Director	5540 PIONEER CREEK DRIVE, MAPLE PLAIN	/s/ W. Morgan Burns, Attorney-in-Fact	06 Aug 2025	0001488151

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PRLB	Common Stock	Purchase	$75,055	+1,725	+11%	$43.51	18,021	04 Aug 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects the weighted average price of 1,725 shares of common stock of Proto Labs Inc. purchased by the reporting person in multiple transactions on August 4, 2025 with purchase prices ranging from $43.47 to $43.53 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Content

Reflects the weighted average price of 1,725 shares of common stock of Proto Labs Inc. purchased by the reporting person in multiple transactions on August 4, 2025 with purchase prices ranging from $43.47 to $43.53 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.