Altimmune, Inc. — Director's Dealing 2010

May 29, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PHARMATHENE, INC (PIP)
CIK: 0001326190
Period of Report: 2010-05-26

Reporting Person: PAPPAJOHN JOHN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-26	Common Stock, $0.0001 par value per share	P	54344	$1.4881	Acquired	865508	Direct
2010-05-27	Common Stock, $0.0001 par value per share	P	45656	$1.5099	Acquired	911164	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions. The
reporting person undertakes to provide to PharmAthene, Inc., any security holder of PharmAthene, Inc., or the staff of the
Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate
price.

F2: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions.