Mirum Pharmaceuticals, Inc. (MIRM) Insider Trading

Over the last 3 months, MIRM insiders made 0 open-market buys and 19 sales, a net sale of -$10.9M (SEC Form 4). Over the last 6 months, 245 institutions increased and 191 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
19
Net (3m)
-$10.9M
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Jul
Aug
Context3-month price +1%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Aug 19, 2026Howe Jolandaofficer: SVP, GLOBAL CONTROLLEROption40,000$6.27
Aug 19, 2026Howe Jolandaofficer: SVP, GLOBAL CONTROLLERSell40,000$100.00
Aug 12, 2026BJERKHOLT ERICofficer: CHIEF FINANCIAL OFFICERSell6,001$99.90
Aug 11, 2026Peetz Christopherdirector, officer: CHIEF EXECUTIVE OFFICERSell2,300$100.14
Aug 11, 2026Peetz Christopherdirector, officer: CHIEF EXECUTIVE OFFICERSell11,683$98.51
Aug 11, 2026Peetz Christopherdirector, officer: CHIEF EXECUTIVE OFFICERSell6,017$99.25
Aug 11, 2026Peetz Christopherdirector, officer: CHIEF EXECUTIVE OFFICEROption20,000$2.94
Aug 5, 2026Howe Jolandaofficer: SVP, GLOBAL CONTROLLERSell1,840$105.29
Jul 8, 2026BJERKHOLT ERICofficer: CHIEF FINANCIAL OFFICERSell528$123.84
Jul 8, 2026Peetz Christopherdirector, officer: CHIEF EXECUTIVE OFFICERSell1,975$123.74
Jul 8, 2026Peetz Christopherdirector, officer: CHIEF EXECUTIVE OFFICERSell12,134$121.65
Jul 8, 2026BJERKHOLT ERICofficer: CHIEF FINANCIAL OFFICERSell1,048$122.43
Jul 8, 2026Peetz Christopherdirector, officer: CHIEF EXECUTIVE OFFICEROption20,000$2.94
Jul 8, 2026BJERKHOLT ERICofficer: CHIEF FINANCIAL OFFICERSell300$124.94
Jul 8, 2026BJERKHOLT ERICofficer: CHIEF FINANCIAL OFFICERSell3,124$121.67
Jul 8, 2026Peetz Christopherdirector, officer: CHIEF EXECUTIVE OFFICERSell4,181$122.34
Jul 8, 2026Peetz Christopherdirector, officer: CHIEF EXECUTIVE OFFICERSell1,710$124.79
Jul 2, 2026Howe Jolandaofficer: SVP, GLOBAL CONTROLLERSell2,721$120.00
Jun 18, 2026Howe Jolandaofficer: SVP, GLOBAL CONTROLLERSell2,594$101.95
Jun 17, 2026Walbert Timothy PdirectorGrant3,772$101.00
Jun 17, 2026Fairey WilliamdirectorGrant3,772$101.00
Jun 17, 2026Brege LauradirectorGrant3,772$101.00
Jun 17, 2026GREY MICHAEL GdirectorGrant3,772$101.00
Jun 17, 2026Ramasastry SairadirectorGrant3,772$101.00
Jun 17, 2026Ramasastry SairadirectorGrant1,980
Jun 17, 2026Fairey WilliamdirectorGrant1,980
Jun 17, 2026Walbert Timothy PdirectorGrant1,980
Jun 17, 2026GREY MICHAEL GdirectorGrant1,980
Jun 17, 2026Heron Patrick JdirectorGrant3,772$101.00
Jun 17, 2026Cardon LondirectorGrant1,980

Source: MIRM SEC Form 4 filings, latest Aug 19, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their MIRM positions over the last 6 months (SEC Form 13F).

Increased
245
New positions
132
Reduced
191
Sold out
43
Largest moves
InstitutionActionSharesFiled
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.Increased7.7MMay 15, 2026
Frazier Life Sciences Management, L.P.Unchanged7.7MAug 14, 2026
JANUS HENDERSON GROUP PLCIncreased6.9MMay 18, 2026
Jupiter Topco LLCNew Position5.9MAug 14, 2026
BlackRock, Inc.Increased4.4MAug 7, 2026
BLACKROCK, INC.Increased3.8MMay 13, 2026
FMR LLCIncreased3.7MAug 13, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased2.7MAug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position2.4MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCIncreased2.4MAug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCReduced2.3MAug 13, 2026
STATE STREET CORPIncreased2.2MAug 7, 2026
FMR LLCIncreased2.0MMay 15, 2026
STATE STREET CORPReduced1.9MMay 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased1.7MMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.