MIRUM PHARMACEUTICALS INC

Ticker: MIRM CUSIP: 604749101 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 514,981 Value ($000) $40,678 Avg Close $71.78 Range $63.23 - $82.58

Q3 2025

Shares 539,040 Value ($000) $39,517 Avg Close $63.57 Range $47.89 - $78.09

Q2 2025

Shares 552,957 Value ($000) $28,140 Avg Close $44.52 Range $36.88 - $51.93

Q1 2025

Shares 566,155 Value ($000) $26 Avg Close $47.13 Range $40.55 - $54.23

Q4 2024

Shares 578,024 Value ($000) $24 Avg Close $41.67 Range $37.51 - $48.89

Q3 2024

Shares 499,316 Value ($000) $19 Avg Close $39.89 Range $33.45 - $45.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	514,981	$40,678	$71.78	$63.23 - $82.58
Q3 2025	539,040	$39,517	$63.57	$47.89 - $78.09
Q2 2025	552,957	$28,140	$44.52	$36.88 - $51.93
Q1 2025	566,155	$26	$47.13	$40.55 - $54.23
Q4 2024	578,024	$24	$41.67	$37.51 - $48.89
Q3 2024	499,316	$19	$39.89	$33.45 - $45.23