InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
2
T+90 hit rate
42%
T+90 mean return
-2.2%
Across 19 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by Gaffin David Joseph, Vice-Président Senior. Officer active across 1 company, notably Alkermes plc.. Cumulatively, 27 reports have been logged. Split: 0 buy · 2 sells. Total volume traded: €171k. History available since 14 May 2021. The latest transaction was filed on 6 July 2026 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations27 total
2,034 shares@ US$54.03Ordinary SharesSEC:0001520262-26-000105:0
2,034 shares@ US$43.050.0008% mcap6.0% of flowOrdinary SharesSEC:0001520262-26-000099:0
6,866 sharesOrdinary SharesSEC:0001127602-25-007312:0
7,432 sharesOrdinary SharesSEC:0001127602-25-006724:0
6,354 sharesOrdinary SharesSEC:0001127602-25-006038:0
32,350 sharesOrdinary SharesSEC:0001127602-25-003678:0
2,014 sharesOrdinary SharesSEC:0001127602-24-021587:0
7,689 sharesOrdinary SharesSEC:0001127602-24-007146:0
7,431 sharesOrdinary SharesSEC:0001127602-24-006558:0
6,355 sharesOrdinary SharesSEC:0001127602-24-006169:0
28,240 sharesOrdinary SharesSEC:0001127602-24-004629:0
1,974 sharesOrdinary SharesSEC:0001127602-23-022139:0
7,286 sharesOrdinary SharesSEC:0001127602-23-007178:0
6,230 sharesOrdinary SharesSEC:0001127602-23-006509:0
7,036 sharesOrdinary SharesSEC:0001127602-22-006305:0
3,375 sharesOrdinary SharesSEC:0001127602-22-005454:0
3,375 sharesOrdinary SharesSEC:0001127602-22-005454
10,555 shares0Ordinary SharesSEC:0001127602-21-025400:0
10,555 shares0Ordinary SharesSEC:0001127602-21-025400
14,000 shares@ US$16.550.0042% mcap16.4% of flowOrdinary SharesSEC:0001127602-21-022637:0
14,000 shares@ US$16.5516.4% of flowOrdinary SharesSEC:0001127602-21-022637
13,500 shares@ US$16.5515.4% of flowOrdinary SharesSEC:0001127602-21-019723
13,500 shares@ US$16.550.0040% mcap15.4% of flowOrdinary SharesSEC:0001127602-21-019723:0
13,500 shares@ US$16.550.0040% mcap15.4% of flowOrdinary SharesSEC:0001127602-21-019457:0
13,500 shares@ US$16.5515.4% of flowOrdinary SharesSEC:0001127602-21-019457
25 of 27 declarations
About Gaffin David Joseph
David Joseph Gaffin is the Senior Vice President and Chief Legal Officer at Alkermes, Inc. In this role, he oversees the company's legal and compliance matters. His expertise in business law and regulation is essential to ensure Alkermes' compliance with industry standards.
