X0202 4 2005-03-01 0 0001016546 ALTAIR NANOTECHNOLOGIES INC ALTI 0001251286 MOERCK RUDI E 25107 CALLAWAY SAN ANTONIO TX 78258 1 1 0 0 President Common shares 2005-03-01 4 M 0 50000 1.3 A 201959 D Common shares 2005-03-01 4 M 0 100000 1.2 A 301959 D Common shares 2005-03-01 4 M 0 150000 1 A 451959 D Common shares 2005-03-01 4 S 0 50000 4.08 D 401959 D Common shares 2005-03-01 4 S 0 35000 4.09 D 366959 D Common shares 2005-03-01 4 S 0 57450 4.11 D 309509 D Common shares 2005-03-01 4 S 0 27550 4.12 D 281959 D Common shares 2005-03-01 4 S 0 25000 4.13 D 256959 D Common shares 2005-03-01 4 S 0 10000 4.14 D 246959 D Common shares 2005-03-01 4 S 0 10000 4.15 D 236959 D Common shares 2005-03-01 4 S 0 115259 4.17 D 121700 D Common shares 2005-03-01 4 S 0 5300 4.18 D 116400 D Common shares 2005-03-01 4 S 0 10000 4.19 D 106400 D Common shares 2005-03-01 4 S 0 4200 4.2 D 102200 D Common shares 2005-03-01 4 S 0 5000 4.21 D 97200 D Common shares 2005-03-01 4 S 0 4000 4.22 D 93200 D Common shares 2005-03-01 4 S 0 65000 4.23 D 28200 D Common shares 2005-03-01 4 S 0 5000 4.24 D 23200 D Common shares 2005-03-01 4 S 0 1400 4.24 D 21800 I Spouse Common shares 2005-03-01 4 S 0 10000 4.26 D 11800 D Common shares 2005-03-01 4 S 0 3500 4.26 D 8300 I By IRA Common shares 2005-03-01 4 S 0 5800 4.28 D 2500 D Options (right to buy) 1.3 2005-03-01 4 M 0 50000 1.3 D 2002-01-15 2007-01-15 Common shares 50000 350000 D Options (right to buy) 1.2 2005-03-01 4 M 0 100000 1.2 D 2007-05-06 Common shares 100000 200000 D Options (right to buy) 1 2005-03-01 4 M 0 100000 1 D 2007-12-30 Common shares 100000 100000 D Options (right to buy) 1 2005-03-01 4 M 0 50000 1 D 2003-02-25 2008-02-25 Common shares 50000 50000 D All exercisable as of 11/23/04 50,000 options became exercisable 12/31/03 and 50,000 options became exercisable 12/31/04. Rudi E. Moerck 2005-03-03