Insider · CIK 0001524823
Shane Cooke
Files at ALKS (Alkermes plc.), PRTA (PROTHENA CORP PUBLIC LTD CO). First filing Feb 2, 2026, latest Feb 2, 2026.
In brief
Shane Cooke files SEC Form 4 as director at ALKS (Alkermes plc.), and also at PRTA (PROTHENA CORP PUBLIC LTD CO). Since Feb 2, 2026, Shane Cooke has reported 0 open-market buys worth $0 and 1 open-market sell worth $2.1M, the latest filed on Feb 2, 2026.
A track record needs three past buys with six months of prices behind them; Shane Cooke has 0, so none is measured yet.
The newest scored trade: sold $2.1M of ALKS on Feb 2, 2026, filed Feb 2, 2026, scored 23 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $2.1M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ALKS: Alkermes plc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 23Weak | Alkermes plc. | $2.1M 61,200 shares | -37% | +34% from low-3% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Feb 2, 2026 | ALKS Alkermes plc. | 61,200 0.04% of outstanding | $2.1M | Feb 2, 2026 | none |
Transactions
Every row this insider has filed, 33 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | ALKS Alkermes plc. | MOption exercise Ordinary Shares | +6,142 | - | - | 109,886 | May 22, 2026 |
| May 20, 2026 | ALKS Alkermes plc. | AGrant or award Non Qualified Stock Option (Right to Buy)derivative | +11,538 | $0.00 | $0 | 11,538 | May 22, 2026 |
| May 21, 2026 | ALKS Alkermes plc. | FTax withholding Ordinary Shares | -3,207 | $36.95 | $118k | 106,679 | May 22, 2026 |
| May 20, 2026 | ALKS Alkermes plc. | AGrant or award Restricted Stock Unit Awardderivative | +5,409 | $0.00 | $0 | 5,409 | May 22, 2026 |
| May 20, 2026 | ALKS Alkermes plc. | AGrant or award Non Qualified Stock Option (Right to Buy)derivative | +11,538 | $0.00 | $0 | 11,538 | May 22, 2026 |
| May 20, 2026 | ALKS Alkermes plc. | AGrant or award Restricted Stock Unit Awardderivative | +5,409 | $0.00 | $0 | 5,409 | May 22, 2026 |
| May 21, 2026 | ALKS Alkermes plc. | MOption exercise Restricted Stock Unit Awardderivative | -6,142 | - | - | 0 | May 22, 2026 |
| May 15, 2026 | PRTA PROTHENA CORP PUBLIC LTD CO | AGrant or award Stock Option (Right to Buy)derivative | +27,000 | $0.00 | $0 | 27,000 | May 15, 2026 |
| Feb 2, 2026 | ALKS Alkermes plc. | MOption exercise Ordinary Shares10b5-1 | +61,200 | $31.64 | $1.9M | 164,944 | Feb 2, 2026 |
| Feb 2, 2026 | ALKS Alkermes plc. | SOpen-market sale Ordinary Shares10b5-1 | -29,087 | $34.34 | $999k | 135,857 | Feb 2, 2026 |
| Feb 2, 2026 | ALKS Alkermes plc. | SOpen-market sale Ordinary Shares10b5-1 | -32,113 | $34.78 | $1.1M | 103,744 | Feb 2, 2026 |
| Feb 2, 2026 | ALKS Alkermes plc. | MOption exercise Employee Stock Option (Right to Buy)derivative10b5-1 | -61,200 | $0.00 | $0 | 0 | Feb 2, 2026 |
| May 31, 2025 | ALKS Alkermes plc. | MOption exercise Ordinary Shares | +8,013 | - | - | 107,919 | Jun 2, 2025 |
| May 31, 2025 | ALKS Alkermes plc. | FTax withholding Ordinary Shares | -4,175 | $30.61 | $128k | 103,744 | Jun 2, 2025 |
| May 31, 2025 | ALKS Alkermes plc. | MOption exercise Restricted Stock Unit Awardderivative | -8,013 | - | - | 0 | Jun 2, 2025 |
| May 21, 2025 | ALKS Alkermes plc. | AGrant or award Non Qualified Stock Option (Right to Buy)derivative | +13,474 | $0.00 | $0 | 13,474 | May 23, 2025 |
| May 21, 2025 | ALKS Alkermes plc. | AGrant or award Restricted Stock Unit Awardderivative | +6,142 | $0.00 | $0 | 6,142 | May 23, 2025 |
| May 14, 2025 | PRTA PROTHENA CORP PUBLIC LTD CO | AGrant or award Stock Option (Right to Buy)derivative | +20,183 | $0.00 | $0 | 20,183 | May 16, 2025 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Employee Stock Option (Right to Buy)derivative | +1,102 | $69.83 | $77k | 56,227 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Employee Stock Option (Right to Buy)derivative | +1,200 | $31.64 | $38k | 61,200 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Employee Stock Option (Right to Buy)derivative | +425 | $53.50 | $23k | 21,675 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Non Qualified Stock Option (Right to Buy)derivative | +520 | $44.75 | $23k | 26,520 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Non Qualified Stock Option (Right to Buy)derivative | +350 | $44.75 | $16k | 17,850 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Non Qualified Stock Option (Right to Buy)derivative | +448 | $24.55 | $11k | 22,848 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Non Qualified Stock Option (Right to Buy)derivative | +256 | $16.52 | $4,229 | 13,079 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Non Qualified Stock Option (Right to Buy)derivative | +230 | $18.45 | $4,244 | 11,739 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Non Qualified Stock Option (Right to Buy)derivative | +313 | $24.24 | $7,587 | 15,990 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Non Qualified Stock Option (Right to Buy)derivative | +231 | $30.86 | $7,129 | 11,785 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Non Qualified Stock Option (Right to Buy)derivative | +254 | $30.72 | $7,803 | 12,986 | Jun 4, 2024 |
| Nov 17, 2023 | ALKS Alkermes plc. | JOther Restricted Stock Unit Awardderivative | +119 | - | - | 6,104 | Jun 4, 2024 |
| May 31, 2024 | ALKS Alkermes plc. | AGrant or award Restricted Stock Unit Awardderivative | +8,013 | $0.00 | $0 | 8,013 | Jun 4, 2024 |
| May 31, 2024 | ALKS Alkermes plc. | AGrant or award Non Qualified Stock Option (Right to Buy)derivative | +17,492 | $0.00 | $0 | 17,492 | Jun 4, 2024 |
| May 15, 2024 | PRTA PROTHENA CORP PUBLIC LTD CO | AGrant or award Stock Option (Right to Buy)derivative | +15,000 | $0.00 | $0 | 15,000 | May 17, 2024 |
Questions about Shane Cooke
Answered from the filings on this page, as of the latest one.
Is Shane Cooke buying or selling?
In the last 12 months Shane Cooke reported 0 open-market buys worth $0 and 1 open-market sell worth $2.1M on SEC Form 4; the latest was sold $2.1M of ALKS on Feb 2, 2026. Grants, option exercises and tax withholding are not counted.
How did Shane Cooke's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Shane Cooke has 0.
Where does Shane Cooke file Form 4?
Shane Cooke has filed Form 4 at ALKS (Alkermes plc.); PRTA (PROTHENA CORP PUBLIC LTD CO). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.