NWPX Infrastructure, Inc. — Director's Dealing 2009

Aug 21, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NORTHWEST PIPE CO (NWPX)
CIK: 0001001385
Period of Report: 2009-08-18

Reporting Person: STOKES GARY A (President, Water Transmission)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-08-18	Common Stock	M	213	—	Acquired	9987	Direct
2009-08-18	Common Stock	M	160	—	Acquired	10147	Direct
2009-08-18	Common Stock	M	800	—	Acquired	10947	Direct
2009-08-18	Common Stock	F	200	$34	Disposed	10747	Direct
2009-08-18	Common Stock	F	40	$34	Disposed	10707	Direct
2009-08-18	Common Stock	F	53	$34	Disposed	10654	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-08-18	Restricted stock units	$	M	213	Disposed		Common Stock (213)	Direct
2009-08-18	Restricted stock units	$	M	160	Disposed		Common Stock (160)	Direct
2009-08-18	Restricted stock units	$	M	800	Disposed		Common Stock (800)	Direct

Footnotes

F1: Represents shares acquired pursuant to vesting of restricted stock units.

F2: Each restricted stock unit represents a contingent right to receive one share of Northwest Pipe Company common stock.

F3: The restricted stock units vested in full on August 18, 2009.

F4: The restricted stock units vest in 3 equal installments on February 18, 2009, August 18, 2009 and February 18, 2010.

F5: The restricted stock units vest 40% on August 18, 2009, 40% on August 18, 2010 and 20% on August 18, 2011.