What this is
Single filing record
This page shows the rows from one Form 4 filing as reported to the SEC.
Big buy
Patrick J Heron: large open-market buy of MIRM
$9M open-market purchase by Patrick J Heron, Director at Mirum Pharmaceuticals,Inc., filed January 27, 2026. Learn more
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Big BuyMIRM
$107.13+4.99% today
Patrick J Heron · Director at Mirum Pharmaceuticals,Inc.
$9M
Patrick J Heron bought $9M of MIRM (Mirum Pharmaceuticals,Inc.).
Insider purchase
Transaction details
Patrick J Heron, a Director, reported a $9M open-market purchase equal to 0.14% of MIRM's market cap.
Patrick J Heron (Director) bought 131,425 shares of MIRM, Mirum Pharmaceuticals,Inc., Healthcare ($6.53B market cap), at $68.48 per share on January 23, 2026 for a total of $9M (0.14% of the market cap).
Patrick J Heron
Director
Purchase value$9M
Shares purchased131,425
Price per share$68.48 per share
- % of market cap
- 0.14%
- Trade date
- January 23, 2026
- Filed
- January 27, 2026
- Filing delay
- 4 days
Permalink https://bluecollarpicks.com/insider-trading/MIRM/buy/722517
Market context
MIRM market snapshot
Current price$107.13
1-day change+4.99%
Market cap$6.53B
SectorHealthcare
Next earningsAugust 4, 2026
$107.13
Current price$107.13
Analyst target$145.36 (+35.7%)
Last enriched June 21, 2026 at 5:08 AM EDT.
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Public Form 4 filings, normalized for cleaner scanning. What do these codes mean?
| Ticker | Type & Role | Value | |
|---|---|---|---|
| This filing | Big Buy Director | $9M | |
| $264.5K | |||
Exercise and Hold Director | $47K | ||
Sell Director | $193.8K | ||
Exercise and Hold Director | Not reported | ||
Sell CFO | $670.2K | ||
Exercise and Hold CFO | Not reported | ||
Sell Officer | $670.2K | ||
Exercise and Hold Officer | Not reported | ||
| $181.5K | |||
| Not reported | |||
| $47K | |||
Sell President | $1.5M | ||
Exercise and Hold President | Not reported | ||
Exercise and Hold President | Not reported | ||
Sell Officer | $435.2K | ||
Exercise and Hold Officer | Not reported | ||
Exercise and Hold Officer | Not reported | ||
Sell CEO | $3.8M | ||
Exercise and Hold CEO | Not reported | ||
Exercise and Hold CEO | Not reported | ||
Exercise and Hold Officer | Not reported | ||
Exercise and Hold CFO | Not reported | ||
Exercise and Hold Officer | Not reported | ||
Exercise and Hold Officer | Not reported | ||
Exercise and Hold President | Not reported | ||
Exercise and Hold President | $93.8K | ||
| Not reported | |||
| $47K | |||
| $204.2K | |||
Sell President | $271.8K | ||
Sell CEO | $940.9K | ||
Sell Officer | $100K | ||
Exercise and Hold Officer | Not reported | ||
Exercise and Hold Officer | Not reported | ||
Grant Officer | $0 | ||
Grant Officer | $0 | ||
Grant Officer | $0 | ||
Grant Officer | $0 | ||
Grant Officer | $0 | ||
Grant Officer | $0 | ||
Grant CFO | $0 | ||
Grant CFO | $0 | ||
Grant CFO | $0 | ||
Grant President | $0 | ||
Grant President | $0 | ||
Grant President | $0 | ||
Grant CEO | $0 | ||
Grant CEO | $0 | ||
Grant CEO | $0 | ||
Sell CFO | $101.3K | ||
$9M
Big Buy Director
$264.5K
$47K
Exercise and Hold Director
$193.8K
Sell Director
Not reported
Exercise and Hold Director
$670.2K
Sell CFO
Not reported
Exercise and Hold CFO
$670.2K
Sell Officer
Not reported
Exercise and Hold Officer
$181.5K
Not reported
$47K
$1.5M
Sell President
Not reported
Exercise and Hold President
Not reported
Exercise and Hold President
$435.2K
Sell Officer
Not reported
Exercise and Hold Officer
Not reported
Exercise and Hold Officer
$3.8M
Sell CEO
Not reported
Exercise and Hold CEO
Not reported
Exercise and Hold CEO
Not reported
Exercise and Hold Officer
Not reported
Exercise and Hold CFO
Not reported
Exercise and Hold Officer
Not reported
Exercise and Hold Officer
Not reported
Exercise and Hold President
$93.8K
Exercise and Hold President
Not reported
$47K
$204.2K
$271.8K
Sell President
$940.9K
Sell CEO
$100K
Sell Officer
Not reported
Exercise and Hold Officer
Not reported
Exercise and Hold Officer
$0
Grant Officer
$0
Grant Officer
$0
Grant Officer
$0
Grant Officer
$0
Grant Officer
$0
Grant Officer
Grant CFO
Grant CFO
Grant CFO
Grant President
Grant President
Grant President
Grant CEO
Grant CEO
Grant CEO
$101.3K
Sell CFO
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Method Public Form 4 filings, normalized for cleaner scanning. Filtered rows stay available in All Form 4 Filings and ticker history. Which view should I use? →
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