K William Heiden

Affiliations

  • at Atara Biotherapeutics Inc. (ATRA), 2025-06-13
  • Director at Macrogenics Inc (MGNX), 2025-05-22
  • President & Ceo at Amag Pharmaceuticals Inc. (AMAG), 2020-03-04
  • Chairman, President And Ceo at Gtc Biotherapeutics Inc (GTCB), 2010-06-17
Insider Trading: Purchases See All
Symbol Price Amount Total Value Remaining Holdings Date Form 4
ATRA $0.25 100,000 $25,330.00 209,000 2023-11-10 Filing
AMAG $10.70 10,000 $107,000.00 490,056 2019-05-09 Filing
AMAG $0.00 5,000 $0.00 10,000 2012-05-25 Filing
AMAG $0.00 5,000 $0.00 5,000 2012-05-24 Filing
Insider Trading: Sales See All
Symbol Price Amount Total Value Remaining Holdings Date Form 4
AMAG $25.00 5,000 $125,000.00 328,015 2018-08-07 Filing
AMAG $25.00 20,000 $500,000.00 333,015 2018-06-04 Filing
AMAG $39.69 2,000 $79,380.00 200,721 2015-10-01 Filing
AMAG $61.19 2,000 $122,380.00 202,721 2015-09-01 Filing
AMAG $64.53 2,000 $129,060.00 204,721 2015-08-03 Filing