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Mirum Pharmaceuticals, Inc. (MIRM) XNAS PHARMACEUTICAL PREPARATIONS Net insider selling (90d)
Latest MIRM Insider Trades
About Mirum Pharmaceuticals, Inc. (MIRM) Mirum Pharmaceuticals Inc. is a biopharmaceutical company focused on developing and commercializing therapies for rare and orphan diseases. Its main product, Livmarli (maralixibat), is an orally administered IBAT inhibitor approved to treat cholestatic pruritus in patients with Alagille syndrome. The company is also developing treatments such as maralixibat for PFIC and ALGS, and volixibat for adult cholestatic liver diseases. Mirum currently has three approved medicines: Livmarli, Cholbam, and Ctexli.
Headquarters FOSTER CITY, CA
Employees 418
Listed 2019
Exchange XNAS https://www.mirumpharma.com SEC filings for MIRM on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 26 137,133 $14.16M Grant or award 16 46,016 Option exercise 20 290,578
MIRM Insider Transactions (Form 4) 86 70 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 2 of 3.
Date Insider Transaction Security Shares Price Value Mar 15, 2026 CP Christopher Peetz - Officer Option exercise Common Stock 25,000
Recent MIRM Form 8-K Filings 5
Recent MIRM Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 18, 2026 JOLANDA MARIE HOWE Officer 40,000 $4.00M View on EDGAR Aug 11, 2026 ERIC BJERKHOLT Officer
MIRM Insider Trading - FAQ
What is the latest insider trade for MIRM? Mirum Pharmaceuticals, Inc. (MIRM) had 23 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for MIRM runs to 70 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying MIRM stock? No insider purchases of MIRM were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling MIRM stock? 26 insider sales of MIRM were filed in the last 90 days, totaling $14.16M.
Where can I see MIRM SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks MIRM Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow MIRM insider buys? Create a free InsiderAlpha account and press Watch on this page to add MIRM to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Health Care Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track MIRM insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free $600K
Market cap $5.94B
P/E ratio -
Dividend yield -
Average volume 794.3K
52 week high $130.00
52 week low $63.23
Today's high $100.06
Today's low $96.55
Open $99.43
Volume 426.5K
Previous close $99.75
Shares outstanding 60.98M Market cap
$5.94B
418 employees
MIRM Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 26 sales totaling $14.16M.
Most-Active MIRM Insiders - Last 90 Days 10 Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Mar 16, 2026 CP Christopher Peetz - Officer Open-market sale Common Stock 40,985 $91.98 $3.77M
Mar 15, 2026 CP Christopher Peetz - Officer Option exercise Performance Restricted Stock Units 25,000 $0.00 -
Mar 15, 2026 CP Christopher Peetz - Officer Option exercise Performance Restricted Stock Units 50,000 $0.00 -
Mar 6, 2026 PR Peter Radovich - Officer Option exercise Common Stock 5,912 $15.87 $94K
Mar 6, 2026 PR Peter Radovich - Officer Option exercise Stock Option (right to buy) 5,912 $0.00 -
Feb 13, 2026 SR Saira Ramasastry Option exercise Stock Option (right to buy) 2,000 $0.00 -
Feb 2, 2026 PR Peter Radovich - Officer Open-market sale Common Stock 2,631 $103.30 $272K
Feb 2, 2026 CP Christopher Peetz - Officer Open-market sale Common Stock 9,108 $103.30 $941K
Jan 31, 2026 JH Jolanda Howe - Officer Option exercise Common Stock 1,771 - -
Feb 2, 2026 JH Jolanda Howe - Officer Open-market sale Common Stock 968 $103.30 $100K
Jan 31, 2026 JH Jolanda Howe - Officer Option exercise Restricted Stock Units 1,771 $0.00 -
Jan 28, 2026 JH Jolanda Howe - Officer Grant or award Stock Option (right to buy) 7,680 $0.00 -
Jan 28, 2026 JH Jolanda Howe - Officer Grant or award Restricted Stock Units 4,970 $0.00 -
Jan 28, 2026 JH Jolanda Howe - Officer Grant or award Performance Restricted Stock Units 9,000 $0.00 -
Jan 28, 2026 JQ Joanne Quan - Officer Grant or award Stock Option (right to buy) 18,140 $0.00 -
Jan 28, 2026 JQ Joanne Quan - Officer Grant or award Restricted Stock Units 11,760 $0.00 -
Jan 28, 2026 JQ Joanne Quan - Officer Grant or award Performance Restricted Stock Units 20,000 $0.00 -
Jan 28, 2026 EB Eric Bjerkholt - Officer Grant or award Stock Option (right to buy) 18,140 $0.00 -
Jan 28, 2026 EB Eric Bjerkholt - Officer Grant or award Restricted Stock Units 11,760 $0.00 -
Jan 28, 2026 EB Eric Bjerkholt - Officer Grant or award Performance Restricted Stock Units 20,000 $0.00 -
Jan 28, 2026 PR Peter Radovich - Officer Grant or award Stock Option (right to buy) 25,120 $0.00 -
Jan 28, 2026 PR Peter Radovich - Officer Grant or award Restricted Stock Units 16,280 $0.00 -
Jan 28, 2026 PR Peter Radovich - Officer Grant or award Performance Restricted Stock Units 34,500 $0.00 -
Jan 28, 2026 CP Christopher Peetz - Officer Grant or award Stock Option (right to buy) 67,000 $0.00 -
Jan 28, 2026 CP Christopher Peetz - Officer Grant or award Restricted Stock Units 43,500 $0.00 -
Jan 28, 2026 CP Christopher Peetz - Officer Grant or award Performance Restricted Stock Units 75,000 $0.00 -
Jan 23, 2026 EB Eric Bjerkholt - Officer Option exercise Common Stock 2,667 - -
Jan 26, 2026 EB Eric Bjerkholt - Officer Open-market sale Common Stock 1,053 $96.19 $101K
Jan 23, 2026 EB Eric Bjerkholt - Officer Option exercise Restricted Stock Units 2,667 $0.00 -
Jan 23, 2026 PR Peter Radovich - Officer Option exercise Common Stock 5,750 - -
Jan 26, 2026 PR Peter Radovich - Officer Open-market sale Common Stock 3,143 $96.19 $302K
Jan 23, 2026 PR Peter Radovich - Officer Option exercise Restricted Stock Units 5,750 $0.00 -
Jan 23, 2026 JH Jolanda Howe - Officer Option exercise Common Stock 1,500 - -
Jan 26, 2026 JH Jolanda Howe - Officer Open-market sale Common Stock 842 $96.19 $81K
Jan 23, 2026 JH Jolanda Howe - Officer Option exercise Restricted Stock Units 1,500 $0.00 -
Jan 26, 2026 CP Christopher Peetz - Officer Open-market sale Common Stock 6,831 $96.19 $657K
Jan 23, 2026 CP Christopher Peetz - Officer Option exercise Restricted Stock Units 12,500 $0.00 -
Jan 23, 2026 PH Patrick J. Heron Open-market purchase Common Stock 131,425 $68.48 $9.00M
Jan 21, 2026 JH Jolanda Howe - Officer Option exercise Common Stock 1,542 - -
Jan 22, 2026 JH Jolanda Howe - Officer Open-market sale Common Stock 926 $93.33 $86K
Jan 21, 2026 JH Jolanda Howe - Officer Option exercise Restricted Stock Units 1,542 $0.00 -
Jan 21, 2026 JQ Joanne Quan - Officer Option exercise Common Stock 3,334 - -
Jan 22, 2026 JQ Joanne Quan - Officer Open-market sale Common Stock 1,822 $93.33 $170K
Jan 21, 2026 JQ Joanne Quan - Officer Option exercise Restricted Stock Units 3,334 $0.00 -
Jan 21, 2026 EB Eric Bjerkholt - Officer Option exercise Common Stock 3,334 - -
Jan 22, 2026 EB Eric Bjerkholt - Officer Open-market sale Common Stock 1,421 $93.33 $133K
Jan 21, 2026 EB Eric Bjerkholt - Officer Option exercise Restricted Stock Units 3,334 $0.00 -
Jan 21, 2026 PR Peter Radovich - Officer Option exercise Common Stock 4,167 - -
Jan 22, 2026 PR Peter Radovich - Officer Open-market sale Common Stock 2,382 $93.33 $222K
Jan 21, 2026 PR Peter Radovich - Officer Option exercise Restricted Stock Units 4,167 $0.00 -
Jan 22, 2026 CP Christopher Peetz - Officer Open-market sale Common Stock 7,098 $93.33 $662K
Jan 21, 2026 CP Christopher Peetz - Officer Option exercise Restricted Stock Units 12,797 $0.00 -
Jan 16, 2026 JQ Joanne Quan - Officer Option exercise Common Stock 12,500 - -
Jan 20, 2026 JQ Joanne Quan - Officer Open-market sale Common Stock 6,911 $90.27 $624K
Jan 16, 2026 JQ Joanne Quan - Officer Option exercise Restricted Stock Units 12,500 $0.00 -
Jan 15, 2026 SR Saira Ramasastry Option exercise Stock Option (right to buy) 2,000 $0.00 -
Dec 1, 2025 MG Michael G. Grey Option exercise Stock Option (right to buy) 50,000 $0.00 -
Nov 21, 2025 MG Michael G. Grey Open-market sale Common Stock 50,000 $70.00 $3.50M
Nov 21, 2025 MG Michael G. Grey Option exercise Stock Option (right to buy) 50,000 $0.00 -
Nov 18, 2025 CP Christopher Peetz - Officer Option exercise Common Stock 19,133 $19.24 $368K
Nov 18, 2025 CP Christopher Peetz - Officer Option exercise Employee Stock Option (right to buy) 19,133 $0.00 -
Sep 11, 2025 LB Laura Brege Option exercise Common Stock 17,000 $15.00 $255K
Sep 11, 2025 LB Laura Brege Open-market sale Common Stock 15,509 $74.34 $1.15M
Sep 11, 2025 LB Laura Brege Open-market sale Common Stock 1,491 $75.07 $112K
Sep 11, 2025 LB Laura Brege Option exercise Stock Option (right to buy) 17,000 $0.00 -
Sep 11, 2025 EB Eric Bjerkholt - Officer Option exercise Common Stock 18,333 - -
Sep 12, 2025 EB Eric Bjerkholt - Officer Open-market sale Common Stock 9,578 $76.01 $728K
Sep 11, 2025 EB Eric Bjerkholt - Officer Option exercise Restricted Stock Units 18,333 $0.00 -
Sep 8, 2025 SR Saira Ramasastry Option exercise Stock Option (right to buy) 17,000 $0.00 -
Aug 11, 2025 CP Christopher Peetz - Officer Open-market sale Common Stock 40,000 $62.00 $2.48M
Aug 11, 2025 CP Christopher Peetz - Officer Option exercise Employee Stock Option (right to buy) 40,000 $0.00 -
Aug 10, 2026 CHRISTOPHER PEETZ Officer, Director 20,000 $1.98M View on EDGAR
$IONS
IONIS PHARMACEUTICALS INC
Eric Bjerkholt - OfficerOpen-market sale
