David Joseph Gaffin Alkermes Plc. (ALKS) insider trading activity

David Joseph Gaffin is EVP, CLO, Alkermes, Inc. of Alkermes plc.. Currently has a direct ownership of 204,255 shares of ALKS, which is worth approximately $7.02 Million. The most recent transaction as insider was on Feb 26, 2025, when has been sold 3,049 shares (Ordinary Shares) at a price of $34.8 per share, resulting in proceeds of $106,105. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 204K

23.12% 3M change

23.95% 12M change

Total Value Held $7.02 Million

David Joseph Gaffin Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Feb 26 2025	SELL Payment of exercise price or tax liability	$106,105 $34.8 p/Share	3,049 Reduced 1.47%	204,255 Ordinary Shares
Feb 26 2025	BUY Exercise of conversion of derivative security	-	6,866 Added 3.21%	207,304 Ordinary Shares
Feb 23 2025	SELL Payment of exercise price or tax liability	$120,582 $35.32 p/Share	3,414 Reduced 1.67%	200,438 Ordinary Shares
Feb 23 2025	BUY Exercise of conversion of derivative security	-	7,689 Added 3.63%	203,852 Ordinary Shares
Feb 22 2025	SELL Payment of exercise price or tax liability	$116,556 $35.32 p/Share	3,300 Reduced 1.65%	196,163 Ordinary Shares
Feb 22 2025	BUY Exercise of conversion of derivative security	-	7,432 Added 3.59%	199,463 Ordinary Shares
Feb 18 2025	SELL Payment of exercise price or tax liability	$101,309 $35.9 p/Share	2,822 Reduced 1.45%	192,031 Ordinary Shares
Feb 18 2025	BUY Exercise of conversion of derivative security	-	6,354 Added 3.16%	194,853 Ordinary Shares
Feb 06 2025	SELL Payment of exercise price or tax liability	$306,115 $31.39 p/Share	9,752 Reduced 4.92%	188,499 Ordinary Shares
Feb 06 2025	BUY Grant, award, or other acquisition	-	32,350 Added 14.03%	198,251 Ordinary Shares
Aug 03 2024	SELL Payment of exercise price or tax liability	$24,809 $27.72 p/Share	895 Reduced 0.54%	165,901 Ordinary Shares
Aug 03 2024	BUY Exercise of conversion of derivative security	-	2,014 Added 1.19%	166,796 Ordinary Shares
Feb 23 2024	SELL Payment of exercise price or tax liability	$100,951 $29.57 p/Share	3,414 Reduced 2.03%	164,782 Ordinary Shares
Feb 23 2024	BUY Exercise of conversion of derivative security	-	7,689 Added 4.37%	168,196 Ordinary Shares
Feb 22 2024	SELL Payment of exercise price or tax liability	$95,403 $28.91 p/Share	3,300 Reduced 2.01%	160,507 Ordinary Shares
Feb 22 2024	BUY Exercise of conversion of derivative security	-	7,431 Added 4.34%	163,807 Ordinary Shares
Feb 20 2024	SELL Payment of exercise price or tax liability	$90,987 $30.39 p/Share	2,994 Reduced 1.88%	156,376 Ordinary Shares
Feb 20 2024	BUY Exercise of conversion of derivative security	-	7,177 Added 4.31%	159,370 Ordinary Shares
Feb 18 2024	SELL Payment of exercise price or tax liability	$60,144 $32.18 p/Share	1,869 Reduced 1.21%	152,193 Ordinary Shares
Feb 18 2024	BUY Exercise of conversion of derivative security	-	6,355 Added 3.96%	154,062 Ordinary Shares
Feb 08 2024	SELL Payment of exercise price or tax liability	$227,089 $26.77 p/Share	8,483 Reduced 5.43%	147,707 Ordinary Shares
Feb 08 2024	BUY Grant, award, or other acquisition	-	28,240 Added 15.31%	156,190 Ordinary Shares
Aug 03 2023	SELL Payment of exercise price or tax liability	$24,231 $27.63 p/Share	877 Reduced 0.68%	127,950 Ordinary Shares
Aug 03 2023	BUY Exercise of conversion of derivative security	-	1,974 Added 1.51%	128,827 Ordinary Shares
Feb 22 2023	SELL Payment of exercise price or tax liability	$89,530 $27.77 p/Share	3,224 Reduced 2.48%	126,853 Ordinary Shares

DJG

David Joseph Gaffin

EVP, CLO, Alkermes, Inc.

Waltham, MA

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