X0306 4 2012-02-24 0 0000908598 AETRIUM INC ATRM 0001450263 Archer Advisors LLC 301 BROADWAY AVENUE SOUTH WAYZATA MN 55391 0 0 1 0 Common Stock 2012-02-24 4 P 0 24100 0.83 A 788718 I Archer Equity Fund, LLC Common Stock 2012-02-27 4 P 0 12500 0.82 A 801218 I Archer Equity Fund, LLC Common Stock 2012-02-28 4 P 0 37800 0.83 A 839018 I Archer Equity Fund, LLC Common Stock 2012-03-01 4 P 0 45000 0.82 A 360382 I Archer Focus Fund, LLC Common Stock 2012-03-02 4 P 0 22700 0.85 A 861718 I Archer Equity Fund, LLC Common Stock 2012-03-05 4 P 0 1300 0.86 A 361682 I Archer Focus Fund, LLC Common Stock 2012-03-05 4 P 0 54200 0.84 A 915918 I Archer Equity Fund, LLC Common Stock 2012-03-06 4 P 0 16015 0.81 A 377697 I Archer Focus Fund, LLC Common Stock 2012-03-09 4 P 0 18300 0.79 A 395997 I Archer Focus Fund, LLC Common Stock 2012-03-12 4 P 0 27000 0.78 A 942918 I Archer Equity Fund, LLC Common Stock 2012-03-13 4 P 0 18238 0.75 A 414235 I Archer Focus Fund, LLC Common Stock 2012-03-14 4 P 0 4012 0.75 A 418247 I Archer Focus Fund, LLC Common Stock 2012-03-15 4 P 0 19000 0.79 A 961918 I Archer Equity Fund, LLC Common Stock 2012-03-16 4 P 0 7065 0.79 A 425312 I Archer Focus Fund, LLC Common Stock 2012-03-19 4 P 0 18100 0.75 A 980018 I Archer Equity Fund, LLC Common Stock 2012-03-20 4 P 0 22500 0.72 A 447812 I Archer Focus Fund, LLC Common Stock 2012-03-21 4 P 0 6720 0.75 A 454532 I Archer Focus Fund, LLC Common Stock 2012-03-21 4 P 0 1311 0.75 A 981329 I Archer Equity Fund, LLC Common Stock 2012-03-26 4 P 0 41389 0.76 A 1022718 I Archer Equity Fund, LLC Common Stock 2012-03-28 4 P 0 750 0.77 A 1023468 I Archer Equity Fund, LLC Common Stock 2012-03-29 4 P 0 58 0.74 A 1023526 I Archer Equity Fund, LLC Common Stock 2012-03-30 4 P 0 9500 0.8 A 1033026 I Archer Equity Fund, LLC Common Stock 2012-04-04 4 P 0 10000 0.79 A 464532 I Archer Focus Fund, LLC Common Stock 2012-04-09 4 P 0 499 0.86 A 465031 I Archer Focus Fund, LLC Common Stock 2012-04-09 4 P 0 500 0.83 A 1033526 I Archer Equity Fund, LLC Common Stock 2012-04-10 4 P 0 100 0.84 A 465131 I Archer Focus Fund, LLC Common Stock 2012-04-10 4 P 0 600 0.8 A 1034126 I Archer Equity Fund, LLC Common Stock 2012-04-11 4 P 0 1000 0.84 A 466131 I Archer Focus Fund, LLC Common Stock 2012-04-11 4 P 0 200 0.77 A 1034326 I Archer Equity Fund, LLC Common Stock 2012-04-12 4 P 0 100 0.81 A 466231 I Archer Focus Fund, LLC /s/ Steve Markusen 2012-08-14