X0306 4 2012-12-16 0 0000788965 HALLADOR ENERGY CO HNRG 0001287271 STABIO VICTOR P 1660 LINCOLN STREET SUITE 2700 DENVER CO 80264 1 1 0 0 CEO COMMON STOCK 2012-12-17 4 P 0 2000 7.98 A 424439 D COMMON STOCK 2012-12-17 4 P 0 8000 7.99 A 422439 D COMMON STOCK 2012-12-17 4 P 0 3000 8.16 A 414439 D COMMON STOCK 2012-12-17 4 P 0 2000 8.24 A 411439 D COMMON STOCK 2012-12-16 4 M 0 82500 8.07 A 435080 D COMMON STOCK 2012-12-16 4 F 0 25641 8.07 D 409439 D Shares owned through reporting person's IRA. Total shares owned includes 7,000 shares through spouses IRA. The reporting person's 82,500 restricted stock units vested December 16, 2012. The reporting person will relinquish 25,641 shares to pay for the taxes due on the vested shares. The reporting person has elected to defer issuance of the net shares (56,859) until 2013. Victor P. Stabio 2012-12-18