Director Cooke Shane sold Alkermes plc ($ALKS) shares on the open market twice in the last year, for a total of $2.1 million. The most recent sale was on February 2, 2026. These transactions rank 3,374th among 11,678 insiders by sale value, well below the average of $8.6 million across 6.4 trades. Cooke Shane made no open market purchases in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 2, 2026 | Alkermes plc. | $ALKS | Cooke Shane | Director | M | Ordinary Shares | 61200 | $31.64 | 164,944.0000 | 168,510,000 | 58.99% | 0.04% |
| Feb. 2, 2026 | Alkermes plc. | $ALKS | Cooke Shane | Director | M | Employee Stock Option (Right to Buy) | 61200 | $0.00 | 0.0000 | 168,510,000 | 100.00% | 0.04% |
| Feb. 2, 2026 | Alkermes plc. | $ALKS | Cooke Shane | Director | S | Ordinary Shares | 32113 | $34.78 | 103,744.0000 | 168,510,000 | 23.64% | 0.02% |
| Feb. 2, 2026 | Alkermes plc. | $ALKS | Cooke Shane | Director | S | Ordinary Shares | 29087 | $34.34 | 135,857.0000 | 168,510,000 | 17.63% | 0.02% |
| May 31, 2025 | Alkermes plc. | $ALKS | Cooke Shane | Director | M | Restricted Stock Unit Award | 8013 | $0.00 | 0.0000 | 169,198,000 | 100.00% | 0.00% |
| May 31, 2025 | Alkermes plc. | $ALKS | Cooke Shane | Director | M | Ordinary Shares | 8013 | $0.00 | 107,919.0000 | 169,198,000 | 8.02% | 0.00% |
| May 31, 2025 | Alkermes plc. | $ALKS | Cooke Shane | Director | F | Ordinary Shares | 4175 | $30.61 | 103,744.0000 | 169,198,000 | 3.87% | 0.00% |
| May 21, 2025 | Alkermes plc. | $ALKS | Cooke Shane | Director | A | Non Qualified Stock Option (Right to Buy) | 13474 | $0.00 | 13,474.0000 | 169,198,000 | 9999.99% | 0.01% |
| May 21, 2025 | Alkermes plc. | $ALKS | Cooke Shane | Director | A | Restricted Stock Unit Award | 6142 | $0.00 | 6,142.0000 | 169,198,000 | 9999.99% | 0.00% |
| May 14, 2025 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Cooke Shane | Not found | A | Stock Option (Right to Buy) | 20183 | $0.00 | 20,183.0000 | 53,772,000 | 9999.99% | 0.04% |
| June 29, 2024 | Alkermes plc. | $ALKS | Cooke Shane | Director | M | Ordinary Shares | 6104 | $0.00 | 103,081.0000 | 169,730,000 | 6.29% | 0.00% |
| June 29, 2024 | Alkermes plc. | $ALKS | Cooke Shane | Director | F | Ordinary Shares | 3175 | $24.10 | 99,906.0000 | 169,730,000 | 3.08% | 0.00% |
| June 29, 2024 | Alkermes plc. | $ALKS | Cooke Shane | Director | M | Restricted Stock Unit Award | 6104 | $0.00 | 0.0000 | 169,730,000 | 100.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Non Qualified Stock Option (Right to Buy) | 520 | $44.75 | 26,520.0000 | 163,742,000 | 2.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Non Qualified Stock Option (Right to Buy) | 350 | $44.75 | 17,850.0000 | 163,742,000 | 2.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Non Qualified Stock Option (Right to Buy) | 448 | $24.55 | 22,848.0000 | 163,742,000 | 2.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Non Qualified Stock Option (Right to Buy) | 256 | $16.52 | 13,079.0000 | 163,742,000 | 2.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Non Qualified Stock Option (Right to Buy) | 230 | $18.45 | 11,739.0000 | 163,742,000 | 2.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Non Qualified Stock Option (Right to Buy) | 313 | $24.24 | 15,990.0000 | 163,742,000 | 2.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Non Qualified Stock Option (Right to Buy) | 231 | $30.86 | 11,785.0000 | 163,742,000 | 2.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Non Qualified Stock Option (Right to Buy) | 254 | $30.72 | 12,986.0000 | 163,742,000 | 1.99% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Restricted Stock Unit Award | 119 | $0.00 | 6,104.0000 | 163,742,000 | 1.99% | 0.00% |
| May 31, 2024 | Alkermes plc. | $ALKS | Cooke Shane | Director | A | Restricted Stock Unit Award | 8013 | $0.00 | 8,013.0000 | 169,730,000 | 9999.99% | 0.00% |
| May 31, 2024 | Alkermes plc. | $ALKS | Cooke Shane | Director | A | Non Qualified Stock Option (Right to Buy) | 17492 | $0.00 | 17,492.0000 | 169,730,000 | 9999.99% | 0.01% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Employee Stock Option (Right to Buy) | 1102 | $69.83 | 56,227.0000 | 163,742,000 | 2.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Employee Stock Option (Right to Buy) | 1200 | $31.64 | 61,200.0000 | 163,742,000 | 2.00% | 0.00% |
| Nov. 17, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | J | Employee Stock Option (Right to Buy) | 425 | $53.50 | 21,675.0000 | 163,742,000 | 2.00% | 0.00% |
| May 15, 2024 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Cooke Shane | Not found | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 53,216,000 | 9999.99% | 0.03% |
| July 7, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | M | Restricted Stock Unit Award | 5957 | $0.00 | 0.0000 | 163,742,000 | 100.00% | 0.00% |
| July 7, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | F | Ordinary Shares | 3098 | $29.88 | 96,977.0000 | 163,742,000 | 3.10% | 0.00% |
| July 7, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | M | Ordinary Shares | 5957 | $0.00 | 100,075.0000 | 163,742,000 | 6.33% | 0.00% |
| June 29, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | A | Non Qualified Stock Option (Right to Buy) | 12732 | $0.00 | 12,732.0000 | 163,742,000 | 9999.99% | 0.01% |
| June 29, 2023 | Alkermes plc. | $ALKS | Cooke Shane | Director | A | Restricted Stock Unit Award | 5985 | $0.00 | 5,985.0000 | 163,742,000 | 9999.99% | 0.00% |