Stocks
ALKS Alkermes plc.

ALKS

Alkermes plc.

Company with tickers: ALKS

CIK

1520262

CUSIP

G01767105

Shares Outstanding

166,675,807

13F Activity (30d)

338 filings 329 filers

Price

$36.70

Market Cap

$6.13B

P/E Ratio

25.66

EPS (Diluted)

$1.43

52W High

$39.12

52W Low

$25.17

Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-21	LAURENCIN CATO T	Director	Convert	6,142	—	—	0
2026-05-21	LAURENCIN CATO T	Director	Tax	1,475	$36.95	$54,501	33,769
2026-05-21	LAURENCIN CATO T	Director	Convert	6,142	—	—	35,244
2026-05-21	MCKEON BRIAN P	EVP, CFO and Treasurer	Convert	6,142	—	—	40,011
2026-05-21	MCKEON BRIAN P	EVP, CFO and Treasurer	Tax	1,475	$36.95	$54,501	38,536
2026-05-21	MCKEON BRIAN P	EVP, CFO and Treasurer	Convert	6,142	—	—	0
2026-05-21	Wilson Frank Anders	Director	Convert	6,142	—	—	0
2026-05-21	Wilson Frank Anders	Director	Convert	6,142	—	—	37,226
2026-05-21	Wilson Frank Anders	Director	Tax	1,475	$36.95	$54,501	35,751
2026-05-21	Lurker Nancy	Director	Convert	6,142	—	—	0
2026-05-21	Lurker Nancy	Director	Tax	1,475	$36.95	$54,501	18,222
2026-05-21	Lurker Nancy	Director	Convert	6,142	—	—	19,697
2026-05-21	snyderman nancy lynn MD	Director	Convert	6,142	—	—	16,870
2026-05-21	snyderman nancy lynn MD	Director	Convert	6,142	—	—	0
2026-05-21	snyderman nancy lynn MD	Director	Tax	1,475	$36.95	$54,501	15,395
2026-05-21	Wright Christopher I	Chief Medical Officer	Convert	6,142	—	—	0
2026-05-21	Wright Christopher I	Chief Medical Officer	Convert	6,142	—	—	29,155
2026-05-21	Wright Christopher I	Chief Medical Officer	Tax	1,475	$36.95	$54,501	27,680
2026-05-21	Cooke Shane	Director	Convert	6,142	—	—	0
2026-05-21	Cooke Shane	Director	Convert	6,142	—	—	109,886
2026-05-21	Cooke Shane	Director	Tax	3,207	$36.95	$118,499	106,679
2026-05-21	GAYNOR RICHARD	Director	Convert	6,142	—	—	0
2026-05-21	GAYNOR RICHARD	Director	Tax	1,475	$36.95	$54,501	35,751
2026-05-21	GAYNOR RICHARD	Director	Convert	6,142	—	—	37,226
2026-05-20	LAURENCIN CATO T	Director	Award	11,538	—	—	11,538
2026-05-20	LAURENCIN CATO T	Director	Award	5,409	—	—	5,409
2026-05-20	MCKEON BRIAN P	EVP, CFO and Treasurer	Award	11,538	—	—	11,538
2026-05-20	MCKEON BRIAN P	EVP, CFO and Treasurer	Other	10,000	—	—	10,000
2026-05-20	MCKEON BRIAN P	EVP, CFO and Treasurer	Award	5,409	—	—	5,409
2026-05-20	Wilson Frank Anders	Director	Award	5,409	—	—	5,409
2026-05-20	Wilson Frank Anders	Director	Award	11,538	—	—	11,538
2026-05-20	Lurker Nancy	Director	Award	5,409	—	—	5,409
2026-05-20	Lurker Nancy	Director	Award	11,538	—	—	11,538
2026-05-20	snyderman nancy lynn MD	Director	Other	20,783	—	—	20,783
2026-05-20	snyderman nancy lynn MD	Director	Award	11,538	—	—	11,538
2026-05-20	snyderman nancy lynn MD	Director	Award	5,409	—	—	5,409
2026-05-20	Wright Christopher I	Chief Medical Officer	Award	11,538	—	—	11,538
2026-05-20	Wright Christopher I	Chief Medical Officer	Award	5,409	—	—	5,409
2026-05-20	Cooke Shane	Director	Award	11,538	—	—	11,538
2026-05-20	Cooke Shane	Director	Award	5,409	—	—	5,409
2026-05-20	GAYNOR RICHARD	Director	Award	5,409	—	—	5,409
2026-05-20	GAYNOR RICHARD	Director	Award	11,538	—	—	11,538
2026-05-04	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Sell	2,034	$33.20	$67,529	231,558
2026-05-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	5,000	—	—	11,356
2026-05-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Sell	9,000	$33.40	$300,560	81,389
2026-05-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	5,000	$19.34	$96,700	90,389
2026-04-11	Lurker Nancy	Director	Convert	3,751	—	—	14,456
2026-04-11	Lurker Nancy	Director	Convert	3,751	—	—	3,752
2026-04-11	Lurker Nancy	Director	Tax	901	$33.36	$30,057	13,555
2026-04-06	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Sell	2,034	$34.57	$70,315	233,592
2026-04-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	5,000	—	—	16,356
2026-04-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Sell	9,000	$35.51	$319,604	85,389
2026-04-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	5,000	$19.34	$96,700	94,389
2026-03-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Sell	2,034	$29.76	$60,532	235,626
2026-03-02	Jackson Blair Curtis	EVP, Chief Operating Officer	Award	44,078	—	—	44,078
2026-03-02	Jackson Blair Curtis	EVP, Chief Operating Officer	Award	94,900	—	—	94,900
2026-03-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Award	83,037	—	—	83,037
2026-03-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	5,000	—	—	21,356
2026-03-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Sell	9,000	$29.72	$267,485	89,389
2026-03-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	5,000	$19.34	$96,700	98,389
2026-03-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Award	38,568	—	—	38,568
2026-03-02	Reed Joshua	Director	Award	30,854	—	—	30,854
2026-03-02	Reed Joshua	Director	Award	66,430	—	—	66,430
2026-03-02	POPS RICHARD F	Director	Award	88,843	—	—	88,843
2026-03-02	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Award	14,176	—	—	14,176
2026-03-02	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Award	15,033	—	—	15,033
2026-03-02	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Sell	6,890	$29.29	$201,808	7,717
2026-03-02	Nichols Christian Todd	SVP, Chief Commercial Officer	Award	30,854	—	—	30,854
2026-03-02	Nichols Christian Todd	SVP, Chief Commercial Officer	Award	66,430	—	—	66,430
2026-03-02	Nichols Christian Todd	SVP, Chief Commercial Officer	Sell	6,000	$30.00	$180,000	109,769
2026-03-02	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Award	78,292	—	—	78,292
2026-03-02	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Award	36,364	—	—	36,364
2026-03-02	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Sell	2,034	$29.29	$59,576	237,660
2026-02-26	Nichols Christian Todd	SVP, Chief Commercial Officer	Tax	2,403	$30.73	$73,844	115,769
2026-02-26	Nichols Christian Todd	SVP, Chief Commercial Officer	Convert	5,410	—	—	118,172
2026-02-26	Nichols Christian Todd	SVP, Chief Commercial Officer	Convert	5,410	—	—	10,819
2026-02-26	Jackson Blair Curtis	EVP, Chief Operating Officer	Convert	8,322	—	—	16,645
2026-02-26	Jackson Blair Curtis	EVP, Chief Operating Officer	Tax	3,695	$30.73	$113,547	241,308
2026-02-26	Jackson Blair Curtis	EVP, Chief Operating Officer	Convert	8,322	—	—	245,003
2026-02-26	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Tax	3,049	$30.73	$93,696	93,389
2026-02-26	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	6,866	—	—	13,732
2026-02-26	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	6,866	—	—	96,438
2026-02-26	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Convert	6,866	—	—	13,732
2026-02-26	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Convert	6,866	—	—	242,743
2026-02-26	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Tax	3,049	$30.73	$93,696	239,694
2026-02-26	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Tax	808	$30.73	$24,830	14,607
2026-02-26	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Convert	2,747	—	—	5,493
2026-02-26	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Convert	2,747	—	—	15,415
2026-02-23	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Convert	2,283	—	—	2,284
2026-02-23	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Convert	2,283	—	—	13,340
2026-02-23	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Tax	672	$32.19	$21,632	12,668
2026-02-23	Nichols Christian Todd	SVP, Chief Commercial Officer	Convert	6,407	—	—	6,408
2026-02-23	Nichols Christian Todd	SVP, Chief Commercial Officer	Tax	2,845	$32.19	$91,581	112,762
2026-02-23	Nichols Christian Todd	SVP, Chief Commercial Officer	Convert	6,407	—	—	115,607
2026-02-23	Jackson Blair Curtis	EVP, Chief Operating Officer	Convert	8,738	—	—	8,738
2026-02-23	Jackson Blair Curtis	EVP, Chief Operating Officer	Tax	3,880	$32.19	$124,897	236,681
2026-02-23	Jackson Blair Curtis	EVP, Chief Operating Officer	Convert	8,738	—	—	240,561
2026-02-23	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Tax	3,414	$32.19	$109,897	89,572
2026-02-23	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	7,689	—	—	92,986
2026-02-23	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Convert	7,689	—	—	7,690