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ALKS — structural market context

Alkermes plc

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

ALKS short interest & days to cover

SHARES SHORT

14.4M

% OF FLOAT

—

DAYS TO COVER

7.7

CHANGE VS PRIOR

-4.1%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-07-31 (38d ago)

ALKS fails-to-deliver (FTD)

Settlement date	Failed shares	Price
2026-08-06 · 32d	3K	$49.61
2026-08-04 · 34d	84	$49.53
2026-08-03 · 35d	19K	$48.99

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

ALKS insider buying and selling (Form 4)

Last 12 months, open-market only: 0 purchases · 4 sales

Insider	Type	Shares	Value	Filed
Gaffin David Joseph · officer: EVP, CLO, Alkermes, Inc.	Sell (S)	2K	$98K	2026-09-03
Hopkinson Craig C. · officer: EVP R&D, Chief Medical Officer	Sell (S)	9K	$423K	2026-09-01
Nichols Christian Todd · officer: SVP, Chief Commercial Officer	Sell (S)	7K	$340K	2026-08-17
Nichols Christian Todd · officer: SVP, Chief Commercial Officer	Sell (S)	664	$33K	2026-08-17

SEC Form 4 filings, open-market purchases and sales only (codes P and S); grants and option exercises excluded. Attributed public records.

Frequently asked questions

Are insiders buying ALKS?

In the last 12 months of SEC Form 4 filings, ALKS recorded 0 open-market insider purchases and 4 open-market sales (codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.

Is this page telling me to buy or sell ALKS?

No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.

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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.