CIK 0001520262 · Large accelerated filer
Alkermes plc.
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- ALKS
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Entity type
- operating
- EIN
- 981007018
- Phone
- 00-353-1-772-8000
- Business address
- CONNAUGHT HOUSE, 1 BURLINGTON ROAD, DUBLIN 4, Ireland, 00000
- Former names
- ANTLER SCIENCE TWO PLC, Antler Science Two Ltd
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $1,070,874
- in 5 filings, $1.1M under 10b5-1 plans
Net −$1,070,874. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-11-03 | Gaffin David Joseph EVP, CLO, Alkermes, Inc. | Sale 10b5-1 | −2,035 | $46.17 | $94K | 219,353 |
| 2026-10-02 | Gaffin David Joseph EVP, CLO, Alkermes, Inc. | Sale 10b5-1 | −2,034 | $41.03 | $83K | 221,388 |
| 2026-09-03 | Gaffin David Joseph EVP, CLO, Alkermes, Inc. | Sale 10b5-1 | −2,034 | $48.01 | $98K | 223,422 |
| 2026-09-01 | Hopkinson Craig C. EVP R&D, Chief Medical Officer | Sale 10b5-1 | −9,000 | $46.99 | $423K | 65,389 |
| 2026-08-17 | Nichols Christian Todd SVP, Chief Commercial Officer | Sale 10b5-1 | −6,912 | $49.19 | $340K | 102,857 |
| 2026-08-17 | Nichols Christian Todd SVP, Chief Commercial Officer | Sale 10b5-1 | −664 | $49.65 | $33K | 102,193 |
| 2026-08-03 | snyderman nancy lynn MD Director | Sale | −44,472 | $50.35 | $2.2M | 15,395 |
| 2026-08-03 | Hopkinson Craig C. EVP R&D, Chief Medical Officer | Sale 10b5-1 | −9,000 | $48.58 | $437K | 69,389 |
| 2026-08-03 | Gaffin David Joseph EVP, CLO, Alkermes, Inc. | Sale 10b5-1 | −2,034 | $48.58 | $99K | 225,456 |
| 2026-07-06 | Gaffin David Joseph EVP, CLO, Alkermes, Inc. | Sale 10b5-1 | −2,034 | $54.03 | $110K | 227,490 |
| 2026-07-01 | Hopkinson Craig C. EVP R&D, Chief Medical Officer | Sale 10b5-1 | −8,300 | $51.46 | $427K | 74,089 |
| 2026-07-01 | Hopkinson Craig C. EVP R&D, Chief Medical Officer | Sale 10b5-1 | −700 | $52.13 | $36K | 73,389 |
| 2026-06-12 | Wright Christopher I Director | Sale 10b5-1 | −2,000 | $45.10 | $90K | 25,680 |
| 2026-06-04 | Gaffin David Joseph EVP, CLO, Alkermes, Inc. | Sale 10b5-1 | −2,034 | $43.05 | $88K | 229,524 |
| 2026-06-01 | Hopkinson Craig C. EVP R&D, Chief Medical Officer | Sale 10b5-1 | −9,000 | $41.67 | $375K | 77,389 |
| 2026-05-29 | Parisi Samuel Joseph VP, Finance (Interim PAO) | Sale | −16,217 | $42.36 | $687K | 7,717 |
| 2026-05-04 | Gaffin David Joseph EVP, CLO, Alkermes, Inc. | Sale 10b5-1 | −2,034 | $33.20 | $68K | 231,558 |
| 2026-05-01 | Hopkinson Craig C. EVP R&D, Chief Medical Officer | Sale 10b5-1 | −9,000 | $33.40 | $301K | 81,389 |
| 2026-04-06 | Gaffin David Joseph EVP, CLO, Alkermes, Inc. | Sale 10b5-1 | −2,034 | $34.57 | $70K | 233,592 |
| 2026-04-01 | Hopkinson Craig C. EVP R&D, Chief Medical Officer | Sale 10b5-1 | −9,000 | $35.51 | $320K | 85,389 |
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