WATSCO INC — Director's Dealing 2010

Dec 7, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WATSCO INC (WSO; WSOB)
CIK: 0000105016
Period of Report: 2010-12-03

Reporting Person: Johnston Paul W (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-03	Common Stock	M	10000	$17.09	Acquired	0	Direct
2010-12-03	Common Stock	S	401	$61.43	Disposed	0	Direct
2010-12-03	Common Stock	S	200	$61.44	Disposed	0	Direct
2010-12-03	Common Stock	S	299	$61.45	Disposed	0	Direct
2010-12-03	Common Stock	S	100	$61.46	Disposed	0	Direct
2010-12-03	Common Stock	S	200	$61.47	Disposed	0	Direct
2010-12-03	Common Stock	S	10	$61.48	Disposed	0	Direct
2010-12-03	Common Stock	S	460	$61.49	Disposed	0	Direct
2010-12-03	Common Stock	S	300	$61.60	Disposed	0	Direct
2010-12-03	Common Stock	S	400	$61.6075	Disposed	0	Direct
2010-12-03	Common Stock	S	410	$61.61	Disposed	0	Direct
2010-12-03	Common Stock	S	100	$61.6175	Disposed	0	Direct
2010-12-03	Common Stock	S	2920	$61.62	Disposed	0	Direct
2010-12-03	Common Stock	S	1002	$61.63	Disposed	0	Direct
2010-12-03	Common Stock	S	100	$61.635	Disposed	0	Direct
2010-12-03	Common Stock	S	1196	$61.64	Disposed	0	Direct
2010-12-03	Common Stock	S	202	$61.65	Disposed	0	Direct
2010-12-03	Common Stock	S	600	$61.66	Disposed	0	Direct
2010-12-03	Common Stock	S	100	$61.6625	Disposed	0	Direct
2010-12-03	Common Stock	S	800	$61.665	Disposed	0	Direct
2010-12-03	Common Stock	S	100	$61.67	Disposed	0	Direct
2010-12-03	Common Stock	S	100	$61.68	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-03	Stock Option (right to buy)	$17.09	M	10000	Disposed	2012-06-17	Common Stock (10000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	200	Direct
Common Stock	37500	Direct
Common Stock	467	Indirect
Class B Common Stock	20000	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (right to buy)	$16.44	2013-07-22	Common Stock (20000)	20000	Direct
Stock Option (right to buy)	$56.09	2015-07-23	Class B Common Stock (7500)	7500	Direct
Stock Option (right to buy)	$56.09	2015-07-23	Class B Common Stock (7500)	7500	Direct

Footnotes

F1: Award of stock pursuant to Restricted Stock Agreement

F2: Ownership in Watsco, Inc. Profit Sharing Retirement Plan and Trust

F3: The option vested 20% on June 17, 2003, June 17, 2004, June 17, 2005, June 17, 2006 and June 17, 2007, respectively

F4: The option vests 20% on July 22, 2004, July 22, 2005, July 22, 2006, July 22, 2007 and July 22, 2008, respectively