IONIS PHARMACEUTICALS INC·4

Jun 30, 5:48 PM ET

Baroldi Joseph 4

4 · IONIS PHARMACEUTICALS INC · Filed Jun 30, 2026

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Ionis (IONS) EVP Joseph Baroldi Exercises Options, Sells 5,635 Shares

What Happened Joseph Baroldi, EVP and Chief Business Officer of Ionis Pharmaceuticals (IONS), exercised stock option/derivative awards to acquire a total of 5,635 shares (3,866 shares at $56.78 and 1,769 shares at $32.60) on June 26, 2026, paying $277,180 in aggregate exercise cost. Those 5,635 shares were sold in the open market the same day at a weighted average price of $80.16, generating total gross proceeds of $451,699 (sale prices ranged $80.00–$80.52). The filing shows the related derivative instruments were converted/terminated upon exercise.

Key Details

  • Date of transactions: June 26, 2026; Form 4 filed June 30, 2026 (timely).
  • Options/derivatives exercised: 3,866 @ $56.78 (cost $219,511) and 1,769 @ $32.60 (cost $57,669); total exercise cost $277,180.
  • Open-market sale: 5,635 shares @ weighted avg $80.16 = $451,699 (range $80.00–$80.52).
  • Net proceeds before taxes/fees ≈ $174,519 (sale proceeds minus exercise cost).
  • Shares owned after transaction: not specified in the provided filing excerpt.
  • Footnote: Shares sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person’s spouse on Nov 25, 2025. The sale price reported is a weighted average; the filer can provide per-trade price breakdown on request.
  • Derivative/transaction codes: M = exercise/conversion of derivative; $0 disposal lines reflect conversion/termination of the derivative instruments upon exercise.

Context This was an option exercise immediately followed by an open-market sale of the same shares (common pattern for cashless exercises or where shares are sold to cover exercise cost). The sale was executed under a pre-established 10b5-1 plan adopted by the insider’s spouse, which can indicate preplanned, routine disposition rather than a spontaneous market-timing decision. This Form 4 is factual reporting of the exercise and sale; it does not by itself indicate the insider’s view of the company’s prospects.

Insider Transaction Report

Form 4
Period: 2026-06-26
Baroldi Joseph
EVP, Chief Business Officer
Transactions
  • Exercise/Conversion

    Common Stock

    2026-06-26$56.78/sh+3,866$219,5118,535 total(indirect: By Spouse)
  • Exercise/Conversion

    Common Stock

    2026-06-26$32.60/sh+1,769$57,66910,304 total(indirect: By Spouse)
  • Sale

    Common Stock

    [F1][F2]
    2026-06-26$80.16/sh5,635$451,6994,669 total(indirect: By Spouse)
  • Exercise/Conversion

    Non-Qualified Stock Option (right to buy)

    2026-06-261,7690 total(indirect: By Spouse)
    Exercise: $32.60From: 2023-01-03Exp: 2032-01-02Common Stock (1,769 underlying)
  • Exercise/Conversion

    Non-Qualified Stock Option (right to buy)

    2026-06-263,8660 total(indirect: By Spouse)
    Exercise: $56.78From: 2022-01-04Exp: 2028-01-03Common Stock (3,866 underlying)
Holdings
  • Common Stock

    48,522
Footnotes (2)
  • [F1]Shares sold pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting persons spouse on November 25, 2025.
  • [F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.00 to $80.52 inclusive. The reporting person undertakes to provide to Ionis Pharmaceuticals, Inc. any security holder of Ionis Pharmaceuticals, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) on this Form 4.
Signature
By: Patrick R. O’Neil, attorney-in-fac For: Joseph Baroldi|2026-06-30

Documents

1 file
  • 4
    edgardoc.xmlPrimary

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