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  • Insider Ownership

Insider Trading & Ownership of Blair C. Jackson

Location
Waltham, MA
Summary
The estimated net worth of Blair C. Jackson is at least $7,415,394 dollars as of 04 Mar 2026. Blair C. Jackson is the EVP, Chief Operating Officer of Alkermes plc. and owns shares of Alkermes plc. (ALKS) stock worth about $7.42M.
Signature
/s/ Shantale Greenson, attorney-in-fact for Blair C. Jackson
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Quick Takeaways

  • Blair C. Jackson has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $7,415,394.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Alkermes plc. ($7,415,394).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Official SEC Source

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Blair C. Jackson

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
ALKS Alkermes plc. EVP, Chief Operating Officer $7,415,394 02 Mar 2026

Insider Transactions Reported by Blair C. Jackson:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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