X0306 4/A 2012-09-06 2012-09-10 0000719866 ARCTIC CAT INC ACAT 0001171707 TWOMEY CHRISTOPHER A 505 HIGHWAY 169 NORTH SUITE 1000 PLYMOUTH MN 55441 1 0 0 0 Common Stock 2012-09-06 4 M 0 45424 6.26 A 101559 D Common Stock 2012-09-06 4 M 0 26268 10.79 A 127827 D Common Stock 2012-09-06 4 F 0 12749 44.535 D 115078 D Common Stock 2012-09-06 4 F 0 23577 44.535 D 91501 D Common Stock 2012-09-06 4 S 0 35366 44.54 D 56135 D Common Stock 2012-09-07 4 M 0 11361 10.79 A 67496 D Common Stock 2012-09-07 4 F 0 2754 44.505 D 64742 D Common Stock 2012-09-07 4 F 0 3443 44.505 D 61299 D Common Stock 2012-09-07 4 S 0 5164 44.51 D 56135 D Stock Option (Right to Buy) 6.26 2012-09-06 4 M 0 45424 0 D 2019-08-06 Common Stock 45424 0 D Stock Option (Right to Buy) 10.79 2012-09-06 4 M 0 26268 0 D 2020-04-01 Common Stock 26268 109732 D Stock Option (Right to Buy) 10.79 2012-09-07 4 M 0 11361 0 D 2020-04-01 Common Stock 11361 98371 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.50 to $44.98 inclusive. The reporting person undertakes to provide Arctic Cat Inc., any security holder of Arctic Cat Inc. or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.50 to $44.53 inclusive. The reporting person undertakes to provide Arctic Cat Inc., any security holder of Arctic Cat Inc. or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. This amendment to Form 4 is being filed to report certain shares previously reported as indirectly held by the reporting person's 401(k) plan as directly held and to report a stock option exercise and related forfeitures not reported on the original Form 4. Fully vested. The original grant of 136,000 stock options vest in three equal annual installments beginning 4/1/2011. /s/ Scott J. Dorfman as Attorney-in-Fact for Christopher A. Twomey pursuant to Power of Attorney previously filed. 2012-09-12