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4//SEC Filing

GREY MICHAEL G 4

Accession 0001240122-25-000007

CIK 0001759425other

View on SEC.gov Company Profile

Filed

Dec 1, 7:00 PM ET

Accepted

Dec 2, 4:04 PM ET

Size

9.9 KB

Accession

0001240122-25-000007

Insider Transaction Report

Form 4

Period: 2025-12-01

Mirum Pharmaceuticals, Inc.MIRM

Director

Transactions

Exercise/Conversion
Common Stock
2025-12-01$2.94/sh+50,000$146,800→ 50,000 total
Sale
Common Stock
2025-12-01$74.00/sh−50,000$3,700,000→ 0 total
Exercise/Conversion
Stock Option (right to buy)
2025-12-01−50,000→ 231,176 total
Exercise: $2.94Exp: 2029-03-11→ Common Stock (50,000 underlying)

Holdings

Common Stock
(indirect: By Trust)
186,410
Common Stock
(indirect: By Trust)
93,750

Footnotes (2)

[F1]Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted August 22, 2025.
[F2]The stock option is fully vested and exercisable.

Documents

1 file

4
form4-12022025_091224.xmlPrimary

Issuer

Mirum Pharmaceuticals, Inc.

CIK 0001759425

Entity typeother

Related Parties

1

filerCIK 0001240122

Filing Metadata

Form type: 4
Filed: Dec 1, 7:00 PM ET
Accepted: Dec 2, 4:04 PM ET
Size: 9.9 KB

View on SEC.gov