Proto Labs Inc

PRLBNYSECIK: 0001443669

Recent Form 4 activity at Proto Labs Inc (PRLB) spans 16 filings across 8 insiders (2 buying and 2 selling). Purchases total $150.2K against $2.3M in sales — heavily weighted toward selling, for net sales of $2.1M. Kenison Michael R. (Chief Operations Officer) is the most active by dollar volume, and the single largest transaction was $2.9M by Kenison Michael R.. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.

Total Volume

$4.5M

Purchases

$150.2K

Sales

$2.3M

Unique Insiders

Price & Insider Trades

PRLB daily price over the past year with every insider buy and sale overlaid.

Price data is delayed and provided for context only — not investment advice.

Recent Insider Trades

16 loaded


Jun 4	PRLB Proto Labs Inc	WEHRWEIN SVEN	Director	Sell	$154.6K
May 21	PRLB Proto Labs Inc	WEHRWEIN SVEN	Director	Grant	$0
May 21	PRLB Proto Labs Inc	KRANTZ DONALD G	Director	Grant	$0
May 22	PRLB Proto Labs Inc	Parlange Bernardo	Chief Commercial Officer	Other	$0
May 13	PRLB Proto Labs Inc	Kenison Michael R.	Chief Operations Officer	Sell	$1.6M
May 8	PRLB Proto Labs Inc	Kenison Michael R.	Chief Operations Officer	Sell	$14.0K
Feb 12	PRLB Proto Labs Inc	Kenison Michael R.	Insider	Tax withheld	$142.7K
Feb 9	PRLB Proto Labs Inc	Kenison Michael R.	Chief Operations Officer	Sell	$150.0K
Feb 4	PRLB Proto Labs Inc	Schumacher Daniel	Chief Financial Officer	Grant	$0
Feb 4	PRLB Proto Labs Inc	Kenison Michael R.	Chief Operations Officer	Grant	$0
Dec 3	PRLB Proto Labs Inc	Kenison Michael R.	Chief Operations Officer	Sell	$152.9K
Nov 26	PRLB Proto Labs Inc	Kenison Michael R.	Chief Operations Officer	Sell	$152.9K
Nov 19	PRLB Proto Labs Inc	Kermisch Marc	Chief Technology & AI Officer	Grant	$320.9K
Oct 15	PRLB Proto Labs Inc	Kermisch Marc	Chief Technology & AI Officer	Other	$0
Aug 7	PRLB Proto Labs Inc	Gawlick Rainer	Director	Buy	$75.1K
Aug 6	PRLB Proto Labs Inc	Krishna Suresh	President and CEO, Director	Buy	$75.1K

16 filings