Marc Kermisch - 25 Feb 2026 Form 4 Insider Report for Proto Labs Inc (PRLB)

Role
Chief Technology & AI Officer
Signature
/s/ W. Morgan Burns, Attorney-in-Fact
Issuer symbol
PRLB
Transactions as of
25 Feb 2026
Net transactions value
$0
Form type
4
Filing time
27 Feb 2026, 16:15:49 UTC
Previous filing
19 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kermisch Marc Chief Technology & AI Officer 5540 PIONEER CREEK, MAPLE PLAIN /s/ W. Morgan Burns, Attorney-in-Fact 27 Feb 2026 0001975999

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PRLB Common Stock Award $0 +2,795 +75% $0.000000 6,513 25 Feb 2026 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PRLB Employee Stock Option (right to buy) Award $0 +5,095 $0.000000 5,095 25 Feb 2026 Common Stock 5,095 $62.63 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted Stock Units that vest as follows: 25% of shares subject to the award will vest on February 25, 2027, and on each February 25th thereafter until all shares subject to the award are fully vested.
F2 25% of shares subject to the award will vest on February 25, 2027, and on each February 25th thereafter until all shares subject to the award are fully vested.