MIRM
Mirum Pharmaceuticals, Inc.$93.74-3.02 (-3.13%)Prev Close$96.75·MCap$5.99B·P/E—·Vol460.0K·Yield—
▲
Buys (12M)
1
$9.00M
▼
Sells (12M)
42
$42.20M
◆
Net Activity
Net Seller
$33.20M
●
Active Insiders
8
last 12 mo
Over the past 12 months, insider activity at Mirum Pharmaceuticals, Inc. (MIRM) has been dominated by selling, with 1 insider purchase totaling $9.00M and 42 insider sales totaling $42.20M. The most recent insider transaction was by BJERKHOLT ERIC (officer: CHIEF FINANCIAL OFFICER), who sold $978.1K worth of shares on Sep 15, 2026. Mirum Pharmaceuticals, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $5.99B.
MIRM Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 9,943 | $98.37 | $978.1K | 44,745 |
| Sep 3, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 30,000 | $98.68 | $2.96M | 216,128 |
| Sep 3, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 658 | $100.00 | $65.8K | 616-52% |
| Aug 19, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 40,000 | $100.00 | $4.00M | 1,274-97% |
| Aug 12, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 6,001 | $99.90 | $599.5K | 36,355 |
| Aug 11, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 20,000 | $98.92 | $1.98M | 202,626 |
| Aug 5, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 1,840 | $105.29 | $193.7K | 1,274-59% |
| Jul 8, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 20,000 | $122.27 | $2.45M | 202,175 |
| Jul 8, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 5,000 | $122.25 | $611.3K | 44,057 |
| Jul 2, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 2,721 | $120.00 | $326.5K | 3,114-47% |
| Jun 18, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 2,594 | $101.95 | $264.5K | 5,835-31% |
| Jun 9, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 5,000 | $93.82 | $469.1K | 47,530 |
| Jun 2, 2026 | Ramasastry Saira | director | Sell | 3,977 | $100.00 | $397.7K | 0Exit |
| Jun 2, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 30,000 | $95.84 | $2.88M | 221,707 |
| May 18, 2026 | Ramasastry Saira | director | Sell | 2,000 | $109.47 | $218.9K | 0Exit |
| Apr 16, 2026 | Ramasastry Saira | director | Sell | 2,000 | $96.90 | $193.8K | 0Exit |
| Mar 17, 2026 | Ramasastry Saira | director | Sell | 2,000 | $90.76 | $181.5K | 0Exit |
| Mar 17, 2026 | Quan Joanne | officer: CHIEF MEDICAL OFFICER | Sell | 7,287 | $91.98 | $670.2K | 18,864-28% |
| Mar 17, 2026 | Radovich Peter | officer: PRESIDENT AND COO | Sell | 16,515 | $91.98 | $1.52M | 40,272-29% |
| Mar 17, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 7,287 | $91.98 | $670.2K | 49,788 |
| Mar 17, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 4,732 | $91.98 | $435.2K | 8,429-36% |
| Mar 17, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 40,985 | $91.98 | $3.77M | 194,309 |
| Feb 13, 2026 | Ramasastry Saira | Director | Sell | 2,000 | $102.09 | $204.2K | 0 |
| Feb 3, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 968 | $103.30 | $100.0K | 4,503 |
| Feb 3, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 9,108 | $103.30 | $940.9K | 160,294 |
| Feb 3, 2026 | Radovich Peter | officer: PRESIDENT AND COO | Sell | 2,631 | $103.30 | $271.8K | 20,655 |
| Jan 27, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 1,053 | $96.19 | $101.3K | 43,741 |
| Jan 27, 2026 | Heron Patrick J | director | Buy | 131,425 | $68.48 | $9.00M | 459,010+40% |
| Jan 27, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 842 | $96.19 | $81.0K | 3,700 |
| Jan 27, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 6,831 | $96.19 | $657.1K | 169,402 |
| Jan 27, 2026 | Radovich Peter | officer: PRESIDENT AND COO | Sell | 3,143 | $96.19 | $302.3K | 23,286 |
| Jan 23, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 1,421 | $93.33 | $132.6K | 42,127 |
| Jan 23, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 926 | $93.33 | $86.4K | 3,042 |
| Jan 23, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 7,098 | $93.33 | $662.4K | 163,733 |
| Jan 23, 2026 | Quan Joanne | officer: CHIEF MEDICAL OFFICER | Sell | 1,822 | $93.33 | $170.0K | 12,817 |
| Jan 23, 2026 | Radovich Peter | officer: PRESIDENT AND COO | Sell | 2,382 | $93.33 | $222.3K | 20,679 |
| Jan 21, 2026 | Quan Joanne | officer: CHIEF MEDICAL OFFICER | Sell | 6,911 | $90.27 | $623.9K | 11,305-38% |
| Jan 16, 2026 | Ramasastry Saira | director | Sell | 2,000 | $90.99 | $182.0K | 0Exit |
| Dec 23, 2025 | GREY MICHAEL G | Sell | 50,000 | $78.00 | $3.90M | 0Exit | |
| Dec 23, 2025 | Ramasastry Saira | Sell | 5,000 | $80.00 | $400.0K | 0Exit | |
| Dec 19, 2025 | Ramasastry Saira | Sell | 2,000 | $69.73 | $139.5K | 1,000-67% | |
| Dec 2, 2025 | GREY MICHAEL G | Sell | 50,000 | $74.00 | $3.70M | 0Exit | |
| Nov 25, 2025 | GREY MICHAEL G | Sell | 50,000 | $70.00 | $3.50M | 0Exit | |
| Sep 12, 2025 | Brege Laura | Sell | 17,000 | $74.40 | $1.26M | 17,194-50% | |
| Sep 12, 2025 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | Sell | 9,578 | $76.01 | $728.0K | 39,945 |
| Aug 12, 2025 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 40,000 | $62.00 | $2.48M | 138,641 |
| Aug 8, 2025 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Sell | 10,000 | $58.00 | $580.0K | 2,426-80% |
| Aug 8, 2025 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 40,000 | $55.25 | $2.21M | 138,641 |
| Jul 3, 2025 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Sell | 1,041 | $48.63 | $50.6K | 2,903-26% |
| Jun 13, 2025 | Fairey William | Sell | 3,203 | $48.42 | $155.1K | 2,500-56% |
Showing 1–50 of 121
1 / 3
MIRM Insider Buying Activity
The following table shows recent insider purchases of Mirum Pharmaceuticals, Inc. (MIRM) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 27, 2026 | Heron Patrick J | director | Buy | 131,425 | $68.48 | $9.00M | 459,010+40% |
MIRM Insider Selling Activity
The following table shows recent insider sales of Mirum Pharmaceuticals, Inc. (MIRM) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 9,943 | $98.37 | $978.1K | 44,745 |
| Sep 3, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 30,000 | $98.68 | $2.96M | 216,128 |
| Sep 3, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 658 | $100.00 | $65.8K | 616-52% |
| Aug 19, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 40,000 | $100.00 | $4.00M | 1,274-97% |
| Aug 12, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 6,001 | $99.90 | $599.5K | 36,355 |
| Aug 11, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 20,000 | $98.92 | $1.98M | 202,626 |
| Aug 5, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 1,840 | $105.29 | $193.7K | 1,274-59% |
| Jul 8, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 20,000 | $122.27 | $2.45M | 202,175 |
| Jul 8, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 5,000 | $122.25 | $611.3K | 44,057 |
| Jul 2, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 2,721 | $120.00 | $326.5K | 3,114-47% |
| Jun 18, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 2,594 | $101.95 | $264.5K | 5,835-31% |
| Jun 9, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 5,000 | $93.82 | $469.1K | 47,530 |
| Jun 2, 2026 | Ramasastry Saira | director | Sell | 3,977 | $100.00 | $397.7K | 0Exit |
| Jun 2, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 30,000 | $95.84 | $2.88M | 221,707 |
| May 18, 2026 | Ramasastry Saira | director | Sell | 2,000 | $109.47 | $218.9K | 0Exit |
| Apr 16, 2026 | Ramasastry Saira | director | Sell | 2,000 | $96.90 | $193.8K | 0Exit |
| Mar 17, 2026 | Ramasastry Saira | director | Sell | 2,000 | $90.76 | $181.5K | 0Exit |
| Mar 17, 2026 | Quan Joanne | officer: CHIEF MEDICAL OFFICER | Sell | 7,287 | $91.98 | $670.2K | 18,864-28% |
| Mar 17, 2026 | Radovich Peter | officer: PRESIDENT AND COO | Sell | 16,515 | $91.98 | $1.52M | 40,272-29% |
| Mar 17, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 7,287 | $91.98 | $670.2K | 49,788 |
| Mar 17, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 4,732 | $91.98 | $435.2K | 8,429-36% |
| Mar 17, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 40,985 | $91.98 | $3.77M | 194,309 |
| Feb 13, 2026 | Ramasastry Saira | Director | Sell | 2,000 | $102.09 | $204.2K | 0 |
| Feb 3, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 968 | $103.30 | $100.0K | 4,503 |
| Feb 3, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 9,108 | $103.30 | $940.9K | 160,294 |
| Feb 3, 2026 | Radovich Peter | officer: PRESIDENT AND COO | Sell | 2,631 | $103.30 | $271.8K | 20,655 |
| Jan 27, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 1,053 | $96.19 | $101.3K | 43,741 |
| Jan 27, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 842 | $96.19 | $81.0K | 3,700 |
| Jan 27, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 6,831 | $96.19 | $657.1K | 169,402 |
| Jan 27, 2026 | Radovich Peter | officer: PRESIDENT AND COO | Sell | 3,143 | $96.19 | $302.3K | 23,286 |
| Jan 23, 2026 | BJERKHOLT ERIC | officer: CHIEF FINANCIAL OFFICER | Sell | 1,421 | $93.33 | $132.6K | 42,127 |
| Jan 23, 2026 | Howe Jolanda | officer: SVP, GLOBAL CONTROLLER | Sell | 926 | $93.33 | $86.4K | 3,042 |
| Jan 23, 2026 | Peetz Christopher | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 7,098 | $93.33 | $662.4K | 163,733 |
| Jan 23, 2026 | Quan Joanne | officer: CHIEF MEDICAL OFFICER | Sell | 1,822 | $93.33 | $170.0K | 12,817 |
| Jan 23, 2026 | Radovich Peter | officer: PRESIDENT AND COO | Sell | 2,382 | $93.33 | $222.3K | 20,679 |
| Jan 21, 2026 | Quan Joanne | officer: CHIEF MEDICAL OFFICER | Sell | 6,911 | $90.27 | $623.9K | 11,305-38% |
| Jan 16, 2026 | Ramasastry Saira | director | Sell | 2,000 | $90.99 | $182.0K | 0Exit |
| Dec 23, 2025 | GREY MICHAEL G | Sell | 50,000 | $78.00 | $3.90M | 0Exit | |
| Dec 23, 2025 | Ramasastry Saira | Sell | 5,000 | $80.00 | $400.0K | 0Exit | |
| Dec 19, 2025 | Ramasastry Saira | Sell | 2,000 | $69.73 | $139.5K | 1,000-67% | |
| Dec 2, 2025 | GREY MICHAEL G | Sell | 50,000 | $74.00 | $3.70M | 0Exit | |
| Nov 25, 2025 | GREY MICHAEL G | Sell | 50,000 | $70.00 | $3.50M | 0Exit | |
| Sep 12, 2025 | Brege Laura | Sell | 17,000 | $74.40 | $1.26M | 17,194-50% | |
| Sep 12, 2025 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | Sell | 9,578 | $76.01 | $728.0K | 39,945 |
| Aug 12, 2025 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 40,000 | $62.00 | $2.48M | 138,641 |
| Aug 8, 2025 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Sell | 10,000 | $58.00 | $580.0K | 2,426-80% |
| Aug 8, 2025 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 40,000 | $55.25 | $2.21M | 138,641 |
| Jul 3, 2025 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Sell | 1,041 | $48.63 | $50.6K | 2,903-26% |
| Jun 13, 2025 | Fairey William | Sell | 3,203 | $48.42 | $155.1K | 2,500-56% |
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