Company profile
Ironwood Pharmaceuticals Inc Insider Trading
IRWDEvery SEC Form 4 insider trading filing for Ironwood Pharmaceuticals Inc (IRWD) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Pharmaceutical Preparations
- CIK
- 0001446847
- Filings
- 122
- Insiders
- 18
- Last filing
- 2026-09-15
Activity summary
Recent insider activity is bullish. Over the last 30 days, 1 insider purchased shares. Buying was led by Alexander J Denner.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Ironwood Pharmaceuticals Inc insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $21.9M.
90 day insight
Over the last 90 days, Ironwood Pharmaceuticals Inc insiders bought $0 across 2 transactions with no open-market sales.
- Most active insider: Ronald Silver with 1 transaction totaling $578K.
- Largest single sale: $578K by Ronald Silver on Jul 7, 2026.
- 100% of recent sales were pre-scheduled 10b5-1 trades, typically less informative than open-market activity.
Activity skews bullish: buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Alexander J Denner | IRWD | Award | 3,694 | — | — |
| Jul 20, 2026 | Jeffrey Silber | IRWD | Award | 137,036 | — | — |
| Jul 7, 2026 | Ronald Silver | IRWD | Sale10b5 | 127,890 | $4.52 | $578K |
| Jun 16, 2026 | Julie McHugh | IRWD | Award | 63,481 | — | — |
| Jun 16, 2026 | Julie McHugh | IRWD | Sale10b5 | 21,571 | $3.73 | $80K |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Ironwood Pharmaceuticals Inc as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →