Arkolith/Insider Trading/PRLB/Form 4/A

Kenison Michael R.

Chief Operations OfficerProto Labs Inc (PRLB) · full profile →Form 4/A · filed Dec 3, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$153K
Net Open-Market Flow
-$153K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 25, 2025Sell(S)3K$50.17$153K29K
Nov 25, 2025Option exercise(M)3K$33.84$103K32K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Nov 25, 2025Option exercise(M)3K—$00

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4/A filing (accession 0001870293-25-000007) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4/A XML