Insiders who reported open-market trades in the last 12 months at the companies Patrick J. Heron files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Christopher Peetz - $16.29M in MIRM purchases and sales in the last 12 months
Michael G. Grey - $7.20M in MIRM purchases and sales in the last 12 months
Jolanda Howe - $5.55M in MIRM purchases and sales in the last 12 months
Todd Watanabe - $4.44M in ARQT purchases and sales in the last 12 months
Eric Bjerkholt - $3.56M in MIRM purchases and sales in the last 12 months
Salomon Azoulay - $2.72M in MBX purchases and sales in the last 12 months
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Patrick J. Heron is a corporate insider of Mirum Pharmaceuticals, Inc. (MIRM). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Patrick J. Heron last file a Form 4?
The most recent primary Form 4 on record is dated 18 June 2026, one of 6 filings going back to 2025.
Has Patrick J. Heron been buying or selling stock?
Recorded transactions: 2 open-market purchases ($21.00M) and 0 open-market sales across all tracked filings.
Patrick J. Heron files SEC Form 4 reports at Mirum Pharmaceuticals, Inc. (MIRM). 6 SEC Form 4 filings on record going back to 2025, most recently on 18 June 2026. Most recent open-market trade: bought $9.00M of MIRM on 27 January 2026. Lifetime open-market purchases: $21.00M.
Recent transactions
4
The latest 4 SEC Form 4 transactions reported by Patrick J. Heron.
InsiderAlpha's records for Patrick J. Heron go back to 2025: 6 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $10.50M (2 buys totaling $21.00M). The largest single buy on record is $12.00M of MBX in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
