MERIT MEDICAL SYSTEMS INC — Director's Dealing 2012

May 14, 2012

SEC Form 4/A — Form 4/A

Issuer: MERIT MEDICAL SYSTEMS INC (MMSI)
CIK: 0000856982
Period of Report: 2012-05-10

Reporting Person: STANGER KENT W (Director, Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-10	Common Stock, No Par Value	M	11221	$7.65	Acquired	596533	Direct
2012-05-10	Common Stock, No Par Value	F	7891	$13.49	Disposed	588642	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-10	Non-qualified stock options (right to buy)	$7.65	M	11221	Disposed	2012-05-23	Common Stock (11221)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, No Par Value	74414	Indirect
Common Stock, No Par Value	185051	Indirect
Common Stock, No Par Value	4271	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-qualified stock options (right to buy)	$7.79	2013-02-06	Common Stock (44445)	44445	Direct
Non-qualified stock options (right to buy)	$8.38	2013-05-22	Common Stock (33334)	33334	Direct
Non-qualified stock options (right to buy)	$17.34	2013-12-13	Common Stock (18750)	18750	Direct
Non-qualified stock options (right to buy)	$17.34	2013-12-13	Common Stock (17500)	17500	Direct
Non-qualified stock options (right to buy)	$11.05	2014-06-10	Common Stock (7500)	7500	Direct
Non-qualified stock options (right to buy)	$11.05	2014-06-10	Common Stock (18750)	18750	Direct
Non-qualified stock options (right to buy)	$12.02	2014-12-18	Common Stock (25000)	25000	Direct
Non-qualified stock options (right to buy)	$11.41	2015-05-25	Common Stock (18750)	18750	Direct
Non-qualified stock options (right to buy)	$9.71	2015-12-28	Common Stock (25000)	25000	Direct
Non-qualified stock options (right to buy)	$9.22	2013-05-25	Common Stock (18750)	18750	Direct
Non-qualified stock options (right to buy)	$9.70	2014-06-27	Common Stock (25000)	25000	Direct
Non-qualified stock options (right to buy)	$9.70	2014-06-27	Common Stock (18750)	18750	Direct
Non-qualified stock options (right to buy)	$11.53	2015-05-21	Common Stock (43750)	43750	Direct
Non-qualified stock options (right to buy)	$13.82	2016-09-26	Common Stock (25000)	25000	Direct
Non-qualified stock options (right to buy)	$13.75	2018-08-11	Common Stock (80000)	80000	Direct

Footnotes

F1: Represents plan holdings as of 05/02/2012.

F2: Employee stock purchase plan holdings as of 05/02/2012.

F3: Becomes exercisable in equal annual installments of 20% commencing 02/06/2004.

F4: Becomes exercisable in equal annual installments of 33% commencing 05/25/2007.

F5: Becomes exercisable in equal annual installments of 20% commencing 06/27/2008.

F6: Becomes exercisable in equal annual installments of 20% commencing 05/21/2009.

F7: Becomes exercisable in equal annual installments of 20% commencing 09/26/2010.

F8: Becomes exercisable in equal annual installments of 20% commencing 08/11/2012.

F9: Stock options were exercised in a swap transaction with the Company. 7,891 shares of common stock were surrendered for payroll taxes and payment of the option price. No shares were sold in the open market.