Skip to main content
Signal8

Cooke Shane

SEC insider (Form 3/4/5 filer). CIK 0001524823. Director at Alkermes plc. (ALKS) and 1 other issuer. 15 reported Form 4/5 transactions since Sep 2024; latest on May 21, 2026. Located in DUBLIN.

Companies Cooke Shane has filed insider reports for

  • Alkermes plc. (ALKS): Director
  • PROTHENA CORP PUBLIC LTD CO (PRTA): Director
Cooke Shane profile photo

Cooke Shane

CIK: 0001524823

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (13.3%)

Position reduction

Option Exercises (M)3 (20.0%)

Derivative conversions

Awards (A)8 (53.3%)

Compensation grants

Other (G, F, J, C, D, …)2 (13.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

Alkermes plc. logo
ALKS

Alkermes plc.

Director
PROTHENA CORP PUBLIC LTD CO logo
PRTA

PROTHENA CORP PUBLIC LTD CO

Director

Discretionary Trading P&L

Holdings

Transaction History (15 total)

  • Alkermes plc. logo
    ALKS

    Alkermes plc.

    May 21, 2026
    Tax Payment
    Direct
    3.2K shares at avg. $36.95$118K
  • Alkermes plc. logo
    ALKS

    Alkermes plc.

    May 21, 2026
    Exercise
    Direct
    6.1K shares-
  • Alkermes plc. logo
    ALKS

    Alkermes plc.

    May 20, 2026
    Award

    Non Qualified Stock Option (Right to Buy)

    Direct
    11.5K shares-
  • Alkermes plc. logo
    ALKS

    Alkermes plc.

    May 20, 2026
    Award

    Restricted Stock Unit Award

    Direct
    5.4K shares-
  • Alkermes plc. logo
    ALKS

    Alkermes plc.

    May 20, 2026
    Award

    Restricted Stock Unit Award

    Direct
    5.4K shares-
  • Alkermes plc. logo
    ALKS

    Alkermes plc.

    May 20, 2026
    Award

    Non Qualified Stock Option (Right to Buy)

    Direct
    11.5K shares-
  • PROTHENA CORP PUBLIC LTD CO logo
    PRTA

    PROTHENA CORP PUBLIC LTD CO

    May 15, 2026
    Award

    Stock Option (Right to Buy)

    Direct
    27K shares-
  • Alkermes plc. logo
    ALKS

    Alkermes plc.

    Feb 2, 2026
    Sale
    Direct
    32.1K shares at avg. $34.78$1.1M
  • Alkermes plc. logo
    ALKS

    Alkermes plc.

    Feb 2, 2026
    Sale
    Direct
    29.1K shares at avg. $34.34$999K
  • Alkermes plc. logo
    ALKS

    Alkermes plc.

    Feb 2, 2026
    Exercise
    Direct
    61.2K shares at avg. $31.64$1.9M

1-10 of 15