IRONWOOD PHARMACEUTICALS INC·4

Mar 17, 8:34 PM ET

DENNER ALEXANDER J 4

4 · IRONWOOD PHARMACEUTICALS INC · Filed Mar 17, 2026

Research Summary

AI-generated summary of this filing

Updated

Ironwood (IRWD) Director Alexander Denner Sells 6.73M Shares

What Happened Alexander J. Denner, a director of Ironwood Pharmaceuticals (and CIO of Sarissa Capital), reported a large sale and a small director award. On March 17, 2026 he disposed of 6,725,000 shares at $3.05 each ($20,511,250) and 5,800 shares at $3.31 each ($19,198), for total proceeds of approximately $20,530,448. He also received a grant of 4,451 shares on March 13, 2026 under Ironwood’s Non-employee Director Compensation Policy (issued at $0.00 in the filing).

Key Details

  • Transaction dates and prices:
    • 2026-03-13: Award of 4,451 shares (listed as $0.00; issued under director compensation policy).
    • 2026-03-17: Sale of 6,725,000 shares at $3.05 (proceeds $20,511,250).
    • 2026-03-17: Sale of 5,800 shares at $3.31 (proceeds $19,198).
  • Total shares sold: 6,730,800; total reported proceeds ≈ $20,530,448.
  • Shares owned after the reported transactions: not specified in the filing.
  • Footnotes:
    • F1: Award issued pursuant to Ironwood’s Second Amended and Restated Non-employee Director Compensation Policy (effective Jan 1, 2024).
    • F2: The sold shares consist of shares held by Sarissa Capital Management LP or its funds; Denner is CIO and may be deemed to indirectly beneficially own those fund-held shares, though a disclaimer of direct beneficial ownership is included.
  • Filing/timeliness: Report filed 2026-03-17 covering transactions dated 2026-03-13–03-17; filing appears timely under Section 16 reporting rules.
  • Remarks: Exhibit 24 (Power of Attorney) attached.

Context

  • The large sale appears to be of shares held by Sarissa-managed funds (per footnote), meaning the transaction may reflect fund-level trading rather than a personal cash-in by the director. The small award is a routine non-employee director grant under the company’s compensation policy.
  • Sales by insiders can be routine (or driven by outside investment decisions when funds are involved); filings are factual disclosures and do not, by themselves, indicate the director’s view of the company’s prospects.

Insider Transaction Report

Form 4
Period: 2026-03-13
Transactions
  • Award

    Class A Common Stock

    [F1]
    2026-03-13+4,451256,309 total
  • Sale

    Class A Common Stock

    [F2]
    2026-03-17$3.05/sh6,725,000$20,511,2509,194,435 total(indirect: See footnote)
  • Sale

    Class A Common Stock

    [F2]
    2026-03-17$3.31/sh5,800$19,1989,188,635 total(indirect: See footnote)
Footnotes (2)
  • [F1]Issued pursuant to the Second Amended and Restated Non-employee Director Compensation Policy, effective January 1, 2024.
  • [F2]Consists of shares that are held by Sarissa Capital Management LP ("Sarissa Capital") or by the funds and other investment vehicles (the "Sarissa Funds") for which Sarissa Capital serves as investment advisor. Dr. Denner is the Chief Investment Officer of Sarissa Capital and the managing member, general partner or other control party of the Sarissa Funds. By virtue of the foregoing, Dr. Denner may be deemed to indirectly beneficially own the shares that these funds directly beneficially own. Each of SarissaCapital, the Sarissa Funds and Dr. Denner disclaims beneficial ownership of these shares except, in each case, to the extent of their pecuniary interest therein.
Signature
/s/ Alexander Denner|2026-03-17

Documents

2 files