Proto Labs (PRLB) Chief Commercial Officer files initial Form 3 ownership report

Rhea-AI Filing Summary

Proto Labs Inc filed an initial Form 3 for Bernardo Parlange, who serves as Chief Commercial Officer. This filing is a baseline statement of his beneficial ownership position as an officer and does not report any stock transactions or changes in holdings.

Key Figures

Reported buy transactions: 0 transactions Reported sell transactions: 0 transactions Net buy/sell direction: neutral

3 metrics

Reported buy transactions 0 transactions Form 3 transaction summary

Reported sell transactions 0 transactions Form 3 transaction summary

Net buy/sell direction neutral Form 3 transaction summary

Key Terms

Form 3, beneficial ownership, Chief Commercial Officer

3 terms

Form 3 regulatory

"filed an initial Form 3 for Bernardo Parlange"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

beneficial ownership regulatory

"baseline statement of his beneficial ownership position as an officer"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Chief Commercial Officer financial

"serves as Chief Commercial Officer"

A chief commercial officer (CCO) is the senior executive responsible for a company’s revenue-generating activities, including sales, marketing, pricing, customer relationships and business development. Think of the CCO as the head coach who builds the game plan to win customers and grow sales; their effectiveness affects how fast a company earns money, enters new markets and sustains profits, making the role a key signal for investors about future revenue and competitive strength.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Parlange Bernardo

(Last) (First) (Middle)

5540 PIONEER CREEK

(Street)

MAPLE PLAIN MINNESOTA 55359

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
05/18/2026

3. Issuer Name and Ticker or Trading Symbol
Proto Labs Inc [ PRLB ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Commercial Officer

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit List: Exhibit 24-Power of Attorney

No securities are beneficially owned.

	/s/ Kareem S. Tawfic, Attorney-in-Fact	05/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does Bernardo Parlange’s Form 3 filing for Proto Labs (PRLB) show?

The Form 3 filing shows that Bernardo Parlange is an officer of Proto Labs, serving as Chief Commercial Officer. It is an initial statement of beneficial ownership and does not report any stock purchases, sales, or other transactions in Proto Labs shares.

Does the Proto Labs (PRLB) Form 3 for Bernardo Parlange include any stock trades?

No, the Form 3 for Bernardo Parlange reports no stock trades. The transaction summary lists zero buys, zero sells, and zero derivative transactions, indicating this filing only establishes his reporting status as an officer of Proto Labs, not trading activity.

What is Bernardo Parlange’s role at Proto Labs (PRLB) in this Form 3?

In the Form 3, Bernardo Parlange is identified as an officer of Proto Labs with the title Chief Commercial Officer. This confirms he is a senior executive subject to insider reporting requirements under SEC rules for beneficial ownership in company securities.

Are there any derivative securities reported in Bernardo Parlange’s Proto Labs (PRLB) Form 3?

No derivative securities are reported in this Form 3. The derivative summary is empty and the transaction summary shows zero derivative transactions and zero exercise shares, indicating no options, warrants, or similar instruments are disclosed in this particular filing.

Does the Form 3 for Proto Labs (PRLB) indicate any planned insider selling by Bernardo Parlange?

The Form 3 does not indicate any insider selling by Bernardo Parlange. All transaction-related counts, including buy, sell, gift, and tax withholding shares, are zero. The filing functions solely as an initial ownership report, not a record of planned sales.