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Mirum Pharmaceuticals, Inc.

MIRM Net buying
CIK 0001759425 #1236 in the set updated 17 Sep 2026
Bought (120 mo)
$127.27M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$72.36M
$2.69M on a plan · $40.63M straight out of an exercise
Sold at will
$29.05M
79 of 142 sales
Net
+$54.90M
+$98.22M against sales at will

By person

34 insiders · 214 transactions
74.1×

Christopher Peetz holds 74.1 times base salary in stock. $56.02M of shares against $755.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Christopher Peetz last reported holding, valued at $98.37, the price Common Stock was last bought or sold at on the open market here, on 14 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Peetz Christopher
CHIEF EXECUTIVE OFFICER
$294.22K (6)
$25.77M (32) scheduled
−$25.48M
569,440
0.8770%
$56.02M
+51.7%
Heron Patrick J
Director
$20.35M (19)
+$20.35M
464,713
0.7157%
$45.71M
GREY MICHAEL G
Director
$12.40M (7) scheduled
−$12.40M
186,410
0.2871%
$18.34M
−33.7%
Howe Jolanda
SVP, GLOBAL CONTROLLER
$9.33M (27) scheduled
−$9.33M
616
0.0009%
$60.60K
−65.2%
Novo Holdings A/S entity
10% owner
$8.63M (1)
+$8.63M
2,445,147
3.77%
$240.53M
BARRIS PETER J
10% owner
$6.75M (1)
+$6.75M
4,186,243
6.45%
$411.80M
BASKETT FOREST
10% owner
$6.75M (1)
+$6.75M
1,548
0.0024%
$152.28K
Behbahani Ali
10% owner
$6.75M (1)
+$6.75M
135
0.0002%
$13.28K
Chang Carmen
10% owner
$6.75M (1)
+$6.75M
135
0.0002%
$13.28K
Florence Anthony A. Jr.
10% owner
$6.75M (1)
+$6.75M
11,732
0.0181%
$1.15M
Frazier Life Sciences IX, L.P.
10% owner
$6.75M (1)
+$6.75M
3,566,912
5.49%
$350.88M
Makhzoumi Mohamad
10% owner
$6.75M (1)
+$6.75M
11,348
0.0175%
$1.12M
MAKOWER JOSHUA
10% owner
$6.75M (1)
+$6.75M
4,186,243
6.45%
$411.80M
MOTT DAVID M
10% owner
$6.75M (1)
+$6.75M
4,186,243
6.45%
$411.80M
New Enterprise Associates 16, L.P. entity
10% owner
$6.75M (1)
+$6.75M
2,186,243
3.37%
$215.06M
SANDELL SCOTT D
10% owner
$6.75M (1)
+$6.75M
11,348
0.0175%
$1.12M
Sonsini Peter W.
10% owner
$6.75M (1)
+$6.75M
4,186,243
6.45%
$411.80M
Walker Paul Edward
10% owner
$6.75M (1)
+$6.75M
114
0.0002%
$11.21K
Radovich Peter
PRESIDENT AND COO
$3.99M (16)
−$3.99M
57,260
0.0882%
$5.63M
+1,897%
BJERKHOLT ERIC
CHIEF FINANCIAL OFFICER
$397.69K (3)
$4.29M (14)
−$3.89M
44,745
0.0689%
$4.40M
+5,996%
Ramasastry Saira
Director
$2.42M (13) scheduled
−$2.42M
0
0.0000%
$0.00
Quan Joanne
CHIEF MEDICAL OFFICER
$1.78M (4)
−$1.78M
18,864
0.0291%
$1.86M
+28,055%
O'Donnell Niall
Director
$4.50M (1)
$5.96M (3)
−$1.46M
1,621,118
2.50%
$159.47M
+1,197%
Flynn James E
10% owner
$4.98M (2)
$3.62M (10)
+$1.36M
1,540,190
2.37%
$151.51M
Vig Pamela
CHIEF SCIENTIFIC OFFICER
$17.68K (2)
$1.20M (6) scheduled
−$1.18M
27,406
0.0422%
$2.70M
Brege Laura
Director
$112.20K (1)
$1.26M (2) scheduled
−$1.15M
15,703
0.0242%
$1.54M
Fairey William
Director
$155.09K (1)
−$155.09K
2,500
0.0039%
$245.93K
Longpre Lara
CHIEF DEVELOPMENT OFFICER
$10.27K (1)
$115.69K (5)
−$105.42K
104,407
0.1608%
$10.27M
+39.1%
Clements Ian
Chief Financial Officer
$112.52K (6)
$30.31K (1)
+$82.21K
30,011
0.0462%
$2.95M
+99,937%
Fischer Laurent
Director
$69.02K (6)
+$69.02K
10,727
0.0165%
$1.06M
Tucker Edwin Jonathan
Chief Medical Officer
$49.56K (2)
$26.26K (1)
+$23.29K
45,838
0.0706%
$4.51M
+2,956%
NEA Partners 16, L.P. entity
10% owner
2,186,243
3.37%
$215.06M
−47.8%
Walbert Timothy P
Director
9,680
0.0149%
$952.22K
Cardon Lon
Director
9,680
0.0149%
$952.22K
Insider
Date
Role
Action
Shares
Price
Amount
Peetz Christopher
1 Sep 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
21,688
$98.91
$2.15M
Peetz Christopher
1 Sep 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
8,312
$98.08
$815.24K
Howe Jolanda
18 Aug 2026
SVP, GLOBAL CONTROLLER
Sold after exercise
40,000
$100.00
$4.00M
Peetz Christopher
10 Aug 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
2,300
$100.14
$230.32K
Peetz Christopher
10 Aug 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
6,017
$99.25
$597.19K
Peetz Christopher
10 Aug 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
11,683
$98.51
$1.15M
Peetz Christopher
6 Jul 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
1,710
$124.79
$213.39K
Peetz Christopher
6 Jul 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
1,975
$123.74
$244.39K
Peetz Christopher
6 Jul 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
4,181
$122.34
$511.50K
Peetz Christopher
6 Jul 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
12,134
$121.65
$1.48M
Peetz Christopher
1 Jun 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
883
$99.66
$88.00K
Peetz Christopher
1 Jun 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
1,021
$98.20
$100.26K
Peetz Christopher
1 Jun 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
1,973
$97.56
$192.49K
Peetz Christopher
1 Jun 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
6,926
$96.15
$665.93K
Peetz Christopher
1 Jun 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
16,595
$95.34
$1.58M
Peetz Christopher
1 Jun 2026
CHIEF EXECUTIVE OFFICER
Sold after exercise
2,602
$94.64
$246.25K
Ramasastry Saira
15 May 2026
Director
Sold after exercise
2,000
$109.47
$218.94K
Ramasastry Saira
15 Apr 2026
Director
Sold after exercise
2,000
$96.90
$193.80K
Ramasastry Saira
16 Mar 2026
Director
Sold after exercise
2,000
$90.76
$181.52K
Ramasastry Saira
13 Feb 2026
Director
Sold after exercise
2,000
$102.09
$204.18K
Ramasastry Saira
15 Jan 2026
Director
Sold after exercise
2,000
$90.99
$181.98K
Ramasastry Saira
22 Dec 2025
Director
Sold after exercise
5,000
$80.00
$400.00K
GREY MICHAEL G
19 Dec 2025
Director
Sold after exercise
50,000
$78.00
$3.90M
Ramasastry Saira
18 Dec 2025
Director
Sold after exercise
1,000
$70.00
$70.00K
Ramasastry Saira
18 Dec 2025
Director
Sold after exercise
1,000
$69.46
$69.46K
GREY MICHAEL G
1 Dec 2025
Director
Sold after exercise
50,000
$74.00
$3.70M
GREY MICHAEL G
21 Nov 2025
Director
Sold after exercise
50,000
$70.00
$3.50M
Brege Laura
11 Sep 2025
Director
Sold after exercise
1,491
$75.07
$111.93K
Brege Laura
11 Sep 2025
Director
Sold after exercise
15,509
$74.34
$1.15M
Ramasastry Saira
8 Sep 2025
Director
Sold after exercise
17,000
no price
Peetz Christopher
11 Aug 2025
CHIEF EXECUTIVE OFFICER
Sold after exercise
40,000
$62.00
$2.48M
Peetz Christopher
7 Aug 2025
CHIEF EXECUTIVE OFFICER
Sold after exercise
40,000
$55.25
$2.21M
Howe Jolanda
7 Aug 2025
SVP, GLOBAL CONTROLLER
Sold after exercise
10,000
$58.00
$580.00K
Ramasastry Saira
3 Jun 2025
Director
Sold after exercise
2,500
$45.74
$114.35K
Howe Jolanda
17 Mar 2025
SVP, GLOBAL CONTROLLER
Sold after exercise
1,806
$44.36
$80.11K
Howe Jolanda
17 Mar 2025
SVP, GLOBAL CONTROLLER
Sold after exercise
2,789
$44.75
$124.80K
Howe Jolanda
17 Mar 2025
SVP, GLOBAL CONTROLLER
Sold after exercise
50,111
$44.33
$2.22M
Howe Jolanda
17 Mar 2025
SVP, GLOBAL CONTROLLER
Sold after exercise
2,900
$44.21
$128.22K
Peetz Christopher
3 Mar 2025
CHIEF EXECUTIVE OFFICER
Sold after exercise
20,608
$47.19
$972.49K
Peetz Christopher
3 Mar 2025
CHIEF EXECUTIVE OFFICER
Sold after exercise
19,392
$46.61
$903.86K
Howe Jolanda
14 Nov 2024
SVP, GLOBAL CONTROLLER
Sold after exercise
2,500
$47.10
$117.75K
Vig Pamela
24 Jun 2024
CHIEF SCIENTIFIC OFFICER
Sold after exercise
30,559
$34.00
$1.04M
Ramasastry Saira
5 Jun 2024
Director
Sold after exercise
5,000
$25.68
$128.40K
Howe Jolanda
5 Dec 2023
SVP, Global Controller
Sold after exercise
2,500
$32.40
$81.00K
GREY MICHAEL G
14 Sep 2023
Director
Sold after exercise
14,216
$32.00
$454.91K
GREY MICHAEL G
13 Sep 2023
Director
Sold after exercise
392
$32.00
$12.54K
GREY MICHAEL G
8 Jun 2023
Director
Sold after exercise
14,608
$29.00
$423.63K
GREY MICHAEL G
3 May 2023
Director
Sold after exercise
14,608
$28.00
$409.02K

What was left out

Form 4 filings counted 310
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 7
Sales on a Rule 10b5-1 plan 15
Sales straight out of an exercise 48
Sales at will 79
Transactions with no price 2
Shares from compensation/vesting 77,764,553
Sales filed before the plan box existed 19
History held since 18 Jul 2019