ALKS

Alkermes plc.

NasdaqHealthcarePharmaceutical Preparations

Insider activity for last month from 09/19 to 10/19.

How these metrics are calculated

Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Total buying$00 buys
Total selling$83.4k1 sells
Net open-market−$83.4kBuying minus selling
Active insiders3Distinct reporting owners

Insider activity report

Calendar-month buckets within the selected date range

Latest filing: Oct 09, 2026

Open-market transaction mix · 1 transactions in the selected period
0 buys0%·100%1 sells

Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.

View exact monthly counts and disclosed values
Monthly activity within the selected period; unknown values remain unknown.
MonthBuysSellsAwards (A)Buy valueSell valueNet P/S value
Sep 2026000$0$0$0
Oct 2026012$0$83.4k-$83.4k

Distinct insiders active

Reporting-owner CIKs by month · peak Oct 2026 (3)
Sep 2026: 0 insidersOct 2026: 3 insiders
Sep 2026Oct 2026
3distinct insiders in selected period
Largest insider activity
By absolute net disclosed value · current transaction page
3 insiders
  • GJ
    Gaffin David JosephEVP, CLO, INC · 0 buys · 1 sells · 0 awards (A)
    -$83.5klast 10/02/2026
  • RJ
    Reed JoshuaSVP, CFO · 0 buys · 0 sells · 0 awards (A)
    —last 10/09/2026
  • WC
    Whitaker Anne ClemDIR · 0 buys · 0 sells · 2 awards (A)
    +$0last 10/09/2026

ALKS transaction history

Newest filings · 20 transactions per page

Latest insider transactions

Form 4 filings from last month.
Newest company filings
CompanyInsiderActivityDisclosed valueFiled (ET)
ALKSAlkermes plc.
Reed JoshuaSVP · CFOM · exerciseDerivative securitySEC filing ↗UnknownView disclosure →
ALKSAlkermes plc.
Reed JoshuaSVP · CFOF · withholdingSEC filing ↗-$163kView disclosure →
ALKSAlkermes plc.
Reed JoshuaSVP · CFOM · exerciseSEC filing ↗UnknownView disclosure →
ALKSAlkermes plc.
Whitaker Anne ClemDIRA · grantDerivative securitySEC filing ↗$0View disclosure →
ALKSAlkermes plc.
Whitaker Anne ClemDIRA · grantDerivative securitySEC filing ↗$0View disclosure →
ALKSAlkermes plc.
Gaffin David JosephEVP · CLO · INCS · sale10b5-1 detectedSEC filing ↗-$83.4kView disclosure →
Recent filing activity
Most recent 6 transactions on this page · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$83.4k
10b5-1 detected1
Amended rows0

Transaction codes

By Form 4 transaction code in selected period
6transactionstxns
  • A · Grants / awards · dominant2 · 33%
  • M · Option exercise2 · 33%
  • F · Tax withholding1 · 17%
  • S · Open-market sells1 · 17%

Activity by reported role

A joint filing can contribute to multiple roles
Chief financial officer3
SVP3
Director2
CLO1
EVP1
INC1

Reported Holdings After

Separated by insider, security, and ownership type

Reed JoshuaOrdinary Shares · Direct
9.2k5.1kOct 08, 2026Oct 08, 2026
5,095Oct 08, 2026
Gaffin David JosephOrdinary Shares · Direct
221.4k221.4kOct 02, 2026Oct 02, 2026
221,388Oct 02, 2026
Whitaker Anne ClemRestricted Stock Unit Award · Direct
7.2k7.2kOct 07, 2026Oct 07, 2026
7,239Oct 07, 2026
Whitaker Anne ClemNon Qualified Stock Option (Right to Buy) · Direct
18.0k18.0kOct 07, 2026Oct 07, 2026
17,998Oct 07, 2026
Reed JoshuaRestricted Stock Unit Award · Direct
27.5k27.5kOct 08, 2026Oct 08, 2026
27,492Oct 08, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells red
2 active days
Sep 19 → Oct 19
LessMore

Alkermes plc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Alkermes plc.?

Reed Joshua, Whitaker Anne Clem, Gaffin David Joseph.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Gaffin David Joseph reported a sale on Oct 02, 2026 valued at $83.4k. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $83,455.02. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.