David Joseph Gaffin Net Worth

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Last Updated: 5 days, 9 hours ago

David Joseph Gaffin has an estimated net worth of at least $12.3 million*, as of Sept. 2, 2026. They own 223,422 shares of ALKS stock. They have sold 57,272 shares of ALKS stock since 2021, for an estimated $1.6 million.

David Joseph Gaffin $ALKS SEC Form 4 Insider Trading

David Joseph Gaffin has filed a total of 11 insider trades in $ALKS since 2021. Their most recent trade was a sale of 2,034 shares, made on Sep 03, 2026. Their largest trade was a sale of 14,000 shares, made on Jul 29, 2021. We estimate that they now own 223,422 shares of $ALKS, worth an estimated $10.7 million.

Insider Trading at $ALKS

There have been a total of 84 insider trades reported at $ALKS since 2021, with 47,077 shares purchased and 1.7 million shares sold. The most active insider traders in $ALKS stock have been Craig C. Hopkinson, Christian Todd Nichols, and David Joseph Gaffin. The most recent trade was a sale of 2,034 shares reported by David Joseph Gaffin (EVP, CLO, Alkermes, Inc.), made on Sep 03, 2026.

History of Insider Stock Trades by David Joseph Gaffin

Company Ticker	Purchase / Sale	Shares	Date	Disclosed (EST)
ALKS	Sale	2,034	Sep 03, 2026	Sept. 3, 2026, 6:32 p.m.
ALKS	Sale	2,034	Aug 03, 2026	Aug. 3, 2026, 7:09 p.m.
ALKS	Sale	2,034	Jul 06, 2026	July 6, 2026, 4:48 p.m.
ALKS	Sale	2,034	Jun 04, 2026	June 4, 2026, 5 p.m.
ALKS	Sale	2,034	May 04, 2026	May 4, 2026, 8:42 p.m.
ALKS	Sale	2,034	Apr 06, 2026	April 6, 2026, 7:56 p.m.
ALKS	Sale	2,034	Mar 02, 2026	March 4, 2026, 9:15 p.m.
ALKS	Sale	2,034	Mar 03, 2026	March 4, 2026, 9:15 p.m.
ALKS	Sale	14,000	Jul 29, 2021	July 29, 2021, 8 p.m.
ALKS	Sale	13,500	Jun 10, 2021	June 10, 2021, 8 p.m.
ALKS	Sale	13,500	Jun 07, 2021	June 7, 2021, 8 p.m.

$ALKS Executives and Stock Owners with Insider Trades

Craig C. Hopkinson, EVP R&D, Chief Medical Officer
Christian Todd Nichols, SVP, Chief Commercial Officer
David Joseph Gaffin, EVP, CLO, Alkermes, Inc.
Samuel Joseph Parisi, VP, Finance (Interim PAO)
David Joseph Gaffin, SVP, CLO, Alkermes, Inc.
Michael J Landine, SVP, Corp Dev., Alkermes, Inc.
Richard F Pops, Director and CEO, Alkermes plc
Blair Curtis Jackson, EVP, Chief Operating Officer
Iain Michael Brown, SVP, Chief Financial Officer

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.