S Brian Posner

Affiliations

  • at Arch Capital Group Ltd. (ACGL), 2024-05-13
  • Director at Biogen Inc. (BIIB), 2023-01-27
  • Director at Bioverativ Inc. (BIVV), 2018-03-08
  • Director at Bg Medicine Inc. (BGMD), 2014-06-05
  • Director at Anadys Pharmaceuticals Inc (ANDS), 2011-08-24
Insider Trading: Purchases See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ACGL $17.60 2,000 4,000 2022-10-28 Filing
ACGL $19.23 2,000 Director 2,000 2022-04-29 Filing
ACGL $22.16 1,000 Director 103,801 2020-05-13 Filing
ACGL $23.72 1,000 Director 92,685 2020-05-06 Filing
ACGL $28.24 500 Director 85,127 2018-11-28 Filing
Insider Trading: Sales See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ACGL $25.24 4,000 Director 2,000 2021-06-14 Filing
BIIB $274.17 360 Director 7,400 2021-06-04 Filing
BIIB $292.35 1,055 Director 6,995 2019-12-02 Filing
BIIB $256.31 1,084 Director 6,330 2017-06-09 Filing
BIIB $415.00 470 Director 5,275 2015-06-22 Filing