Alkermes plc. (ALKS) insider trading.
In Q3 2026, insiders at Alkermes plc. reported 16 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 10 sales worth $4.2M.
- Transactions
- 16
- Purchases (P)
- 0
- Sales (S)
- 10
- Net shares, P minus S
- -85,150
- Insiders
- 4
- Last filed
- 2026-09-03
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Hopkinson Craig C. | Officer · EVP R&D, Chief Medical Officer | 8 | 0 | 4 |
| Gaffin David Joseph | Officer · EVP, CLO, Alkermes, Inc. | 3 | 0 | 3 |
| snyderman nancy lynn MD | Director | 3 | 0 | 1 |
| Nichols Christian Todd | Officer · SVP, Chief Commercial Officer | 2 | 0 | 2 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-03 | Gaffin David Joseph | S (D) | 2,034 | $48.01 | 223,422 | Form 4 |
| 2026-09-01 | Hopkinson Craig C. | S (D) | 9,000 | $46.99 | 65,389 | Form 4 |
| 2026-09-01 | Hopkinson Craig C. | M (A) | 5,000 | $24.59 | 74,389 | Form 4 |
| 2026-08-17 | Nichols Christian Todd | S (D) | 664 | $49.65 | 102,193 | Form 4 |
| 2026-08-17 | Nichols Christian Todd | S (D) | 6,912 | $49.19 | 102,857 | Form 4 |
| 2026-08-03 | Gaffin David Joseph | S (D) | 2,034 | $48.58 | 225,456 | Form 4 |
| 2026-08-03 | Hopkinson Craig C. | S (D) | 9,000 | $48.58 | 69,389 | Form 4 |
| 2026-08-03 | Hopkinson Craig C. | M (A) | 4,896 | $24.59 | 78,389 | Form 4 |
| 2026-08-03 | Hopkinson Craig C. | M (A) | 104 | $19.34 | 73,493 | Form 4 |
| 2026-08-03 | snyderman nancy lynn MD | S (D) | 44,472 | $50.35 | 15,395 | Form 4 |
| 2026-08-03 | snyderman nancy lynn MD | M (A) | 16,524 | $46.72 | 59,867 | Form 4 |
| 2026-08-03 | snyderman nancy lynn MD | M (A) | 27,948 | $46.72 | 43,343 | Form 4 |
| 2026-07-06 | Gaffin David Joseph | S (D) | 2,034 | $54.03 | 227,490 | Form 4 |
| 2026-07-01 | Hopkinson Craig C. | S (D) | 700 | $52.13 | 73,389 | Form 4 |
| 2026-07-01 | Hopkinson Craig C. | S (D) | 8,300 | $51.46 | 74,089 | Form 4 |
| 2026-07-01 | Hopkinson Craig C. | M (A) | 5,000 | $19.34 | 82,389 | Form 4 |
Transaction codes in this quarter
Get ALKS insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1520262&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · ALKS company page · Alkermes plc. on SEC.gov
Questions
Are insiders buying or selling Alkermes plc. (ALKS)?
In Q3 2026, insiders at Alkermes plc. reported 16 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 10 sales worth $4.2M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Alkermes plc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/alks.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.