FRIEDMAN ARTHUR M 4

4 · PS BUSINESS PARKS INC/CA · Filed Feb 28, 2011

Form 4

Period: 2011-02-25

Director

Transactions

Sale
Common Stock
2011-02-25$60.77/sh−1,000$60,770→ 12,000 total(indirect: By Trust)
Exercise/Conversion
Common Stock
2011-02-25$26.40/sh+1,000$26,400→ 13,000 total(indirect: By Trust)
Exercise/Conversion
Stock Option (right to buy)
2011-02-25+1,000→ 0 total
Exercise: $26.40From: 2002-05-08Exp: 2011-05-08→ Common Stock (1,000 underlying)

Holdings

Stock Option (right to buy)
Exercise: $68.90From: 2008-04-30Exp: 2017-04-30→ Common Stock (2,000 underlying)
2,000
Stock Option (right to buy)
Exercise: $51.25From: 2007-05-01Exp: 2016-05-01→ Common Stock (2,000 underlying)
2,000
Stock Option (right to buy)
Exercise: $39.95From: 2006-05-03Exp: 2015-05-03→ Common Stock (2,000 underlying)
2,000
Stock Option (right to buy)
Exercise: $39.26From: 2005-05-04Exp: 2014-05-04→ Common Stock (2,000 underlying)
2,000
Stock Option (right to buy)
Exercise: $32.48From: 2004-05-06Exp: 2013-05-06→ Common Stock (2,000 underlying)
2,000
Common Stock
(indirect: By IRA)
500
Depositary Shares Representing Series H Preferred Stock
(indirect: By Trust)
3,385
Depositary Shares Representing Series I Preferred Stock
(indirect: By Trust)
3,200
Stock Option (right to buy)
Exercise: $60.82From: 2011-05-03Exp: 2020-05-03→ Common Stock (2,000 underlying)
2,000
Stock Option (right to buy)
Exercise: $43.84From: 2010-05-04Exp: 2019-05-04→ Common Stock (2,000 underlying)
2,000
Stock Option (right to buy)
Exercise: $57.79From: 2009-05-05Exp: 2018-05-05→ Common Stock (2,000 underlying)
2,000
Stock Option (right to buy)
Exercise: $35.43From: 2003-05-14Exp: 2012-05-14→ Common Stock (1,000 underlying)
1,000

Footnotes (5)

[F1]By Arthur M. and Francine Friedman, trustees of the Friedman Family Trust.
[F2]By a custodian of a SEP IRA for benefit of the reporting person.
[F3]Stock Options granted pursuant to the 2003 Stock Option and Incentive Plan; options vest in 5 equal annual installments beginning 1 year from date of grant.
[F4]Stock Options granted pursuant to the 1997 Stock Option and Incentive Plan; options vest in 3 equal annual installments beginning 1 year from date of grant.
[F5]Represents weighted average purchase price. These shares were sold at price ranging between $60.76 and $60.776. Full information regarding the number of shares purchased at each separate price will be provided by the reporting person upon request to the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer.

Documents

1 file