Michael R. Kenison Proto Labs Inc (PRLB) insider trading activity

Michael R. Kenison is Chief Operations Officer of Proto Labs Inc. Currently has a direct ownership of 28,898 shares of PRLB, which is worth approximately $1.4 Million. The most recent transaction as insider was on Nov 25, 2025, when has been sold 3,048 shares (Common Stock) at a price of $50.17 per share, resulting in proceeds of $152,918. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 28.9K

0.2% 3M change

29.29% 12M change

Total Value Held $1.4 Million

Michael R. Kenison Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 25 2025	SELL Open market or private sale	$152,918 $50.17 p/Share	3,048 Reduced 9.54%	28,898 Common Stock
Nov 25 2025	BUY Exercise of conversion of derivative security	$103,144 $33.84 p/Share	3,048 Added 8.71%	31,946 Common Stock
May 20 2025	SELL Payment of exercise price or tax liability	$8,337 $40.87 p/Share	204 Reduced 0.7%	28,841 Common Stock
Feb 25 2025	BUY Grant, award, or other acquisition	-	6,943 Added 19.33%	28,982 Common Stock
Feb 13 2025	SELL Payment of exercise price or tax liability	$102,488 $45.03 p/Share	2,276 Reduced 9.36%	22,039 Common Stock
Feb 13 2025	BUY Grant, award, or other acquisition	-	1,894 Added 7.23%	24,315 Common Stock
May 20 2024	SELL Payment of exercise price or tax liability	$10,688 $31.81 p/Share	336 Reduced 1.48%	22,351 Common Stock

Feb 13 2024	SELL Payment of exercise price or tax liability	$35,866 $33.52 p/Share	1,070 Reduced 7.01%	14,200 Common Stock
Feb 13 2024	BUY Grant, award, or other acquisition	-	8,205 Added 26.8%	22,405 Common Stock
Feb 14 2023	BUY Grant, award, or other acquisition	-	8,127 Added 35.57%	14,724 Common Stock
Feb 13 2023	SELL Payment of exercise price or tax liability	$11,638 $34.23 p/Share	340 Reduced 4.9%	6,597 Common Stock
May 23 2022	SELL Payment of exercise price or tax liability	$35,219 $45.68 p/Share	771 Reduced 10.35%	6,675 Common Stock
Feb 15 2022	BUY Grant, award, or other acquisition	-	3,788 Added 34.41%	7,221 Common Stock

MRK

Michael R. Kenison

Chief Operations Officer

Maple Plain, MN

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