1. Corporate Officers - W
2. Walbert Timothy P

Insider Trading History of Walbert Timothy P

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Walbert Timothy P since 2015. This trader's CIK number is 1349376. At the time of last reporting, Walbert Timothy P was the Officer of Mirum Pharmaceuticals, Inc.. (stock ticker symbol MIRM). Also see all insider trading activities at Mirum Pharmaceuticals, Inc..

Note that in the past Walbert Timothy P also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Xoma Royalty Corp (XOMA) by Walbert Timothy P

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2016	XOMA	0	$0	0	$0	2,800	$0
2015	XOMA	0	$0	0	$0	5,600	$0

Yearly summary of insider trading at Horizon Therapeutics Public Ltd Co (HZNP) by Walbert Timothy P

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2022	HZNP	0	$0	500,000	$49,367,278	529,216	$5,535,000
2021	HZNP	0	$0	474,502	$43,066,598	311,870	$164,610
2020	HZNP	0	$0	288,750	$14,390,762	220,086	$0
2019	HZNP	0	$0	381,494	$10,687,558	589,835	$1,560,904
2018	HZNP	0	$0	491,700	$10,144,028	716,001	$4,262,896
2017	HZNP	0	$0	0	$0	206,675	$0
2016	HZNP	0	$0	0	$0	215,005	$19,992
2015	HZNP	0	$0	0	$0	236,776	$736,190

Yearly summary of insider trading at Zyla Life Sciences (ZCOR) by Walbert Timothy P

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	ZCOR	0	$0	0	$0	6,667	$11,667

Yearly summary of insider trading at Mirum Pharmaceuticals, Inc. (MIRM) by Walbert Timothy P

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	MIRM	0	$0	0	$0	5,703	$0

Insider trading activities at 4 companies by Walbert Timothy P:

1. Xoma Royalty Corp (XOMA)

2. Horizon Therapeutics Public Ltd Co (HZNP)

3. Zyla Life Sciences (ZCOR)

4. Mirum Pharmaceuticals, Inc. (MIRM)

Table 1. Insider trading of Xoma Royalty Corp (XOMA) by Walbert Timothy P

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2016-05-28	XOMA	Option Ex	2,800	.00	0
2015-05-28	XOMA	Option Ex	5,600	.00	0

Table 2. Insider trading of Horizon Therapeutics Public Ltd Co (HZNP) by Walbert Timothy P

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2022-06-03	HZNP	Option Ex	25,000	22.14	553,500
2022-06-03	HZNP	Sale	25,000	92.41	2,310,250
2022-05-31	HZNP	Sale	25,000	93.24	2,330,925
2022-05-20	HZNP	Sale	25,000	90.00	2,250,000
2022-05-20	HZNP	Option Ex	25,000	22.14	553,500
2022-05-11	HZNP	Option Ex	17,600	22.14	389,664
2022-05-11	HZNP	Sale	17,600	90.00	1,584,000
2022-05-06	HZNP	Sale	7,400	90.72	671,328
2022-05-06	HZNP	Option Ex	7,400	22.14	163,836
2022-05-02	HZNP	Sale	25,000	96.48	2,411,925
2022-04-22	HZNP	Option Ex	25,000	22.14	553,500
2022-04-22	HZNP	Sale	25,000	107.61	2,690,325
2022-04-08	HZNP	Sale	25,000	112.21	2,805,250
2022-04-08	HZNP	Option Ex	25,000	22.14	553,500
2022-03-30	HZNP	Sale	50,000	105.06	5,253,250
2022-03-25	HZNP	Option Ex	25,000	22.14	553,500
2022-03-25	HZNP	Sale	25,000	109.37	2,734,350
2022-03-11	HZNP	Option Ex	25,000	22.14	553,500
2022-03-11	HZNP	Sale	25,000	101.08	2,526,875
2022-02-01	HZNP	Option Ex	9,087	.00	0
2022-01-28	HZNP	Option Ex	25,000	22.14	553,500
2022-01-28	HZNP	Sale	25,000	90.00	2,250,000
2022-01-31	HZNP	Sale	100,000	91.77	9,177,000
2022-01-21	HZNP	Option Ex	20,336	.00	0
2022-01-14	HZNP	Option Ex	25,000	22.14	553,500
2022-01-14	HZNP	Sale	25,000	90.02	2,250,425
2022-01-05	HZNP	Option Ex	249,793	.00	0
2021-12-31	HZNP	Option Ex	25,000	22.14	553,500
2021-12-31	HZNP	Sale	75,000	108.28	8,121,375
2021-11-30	HZNP	Sale	50,000	102.55	5,127,350
2021-11-01	HZNP	Sale	25,000	118.81	2,970,125
2021-09-30	HZNP	Sale	50,000	110.92	5,546,150
2021-08-27	HZNP	Option Ex	7,435	22.14	164,610
2021-07-30	HZNP	Sale	25,000	102.11	2,552,750
2021-06-30	HZNP	Sale	25,000	94.29	2,357,250
2021-06-01	HZNP	Sale	25,000	91.61	2,290,125
2021-04-30	HZNP	Sale	25,000	94.64	2,366,125
2021-03-01	HZNP	Sale	26,975	91.63	2,471,800
2021-02-01	HZNP	Option Ex	9,087	.00	0
2021-01-21	HZNP	Option Ex	22,905	.00	0
2021-01-22	HZNP	Sale	11,323	76.58	867,081
2021-01-15	HZNP	Sale	211,204	78.21	16,517,842
2021-01-05	HZNP	Option Ex	272,443	.00	0
2020-08-06	HZNP	Sale	110,000	73.31	8,064,539
2020-02-21	HZNP	Sale	93,864	35.23	3,306,828
2020-02-01	HZNP	Option Ex	9,086	.00	0
2020-01-05	HZNP	Option Ex	211,000	.00	0
2020-01-06	HZNP	Sale	84,886	35.57	3,019,395
2019-10-15	HZNP	Option Ex	311,869	5.00	1,560,904
2019-10-15	HZNP	Sale	320,174	28.02	8,970,314
2019-08-30	HZNP	Sale	2,500	28.00	70,000
2019-08-21	HZNP	Sale	56,836	28.00	1,591,692
2019-08-22	HZNP	Sale	1,984	28.00	55,552
2019-03-23	HZNP	Option Ex	125,000	.00	0
2019-01-05	HZNP	Option Ex	152,966	.00	0
2018-11-19	HZNP	Option Ex	49,801	5.00	249,254
2018-11-14	HZNP	Option Ex	408,347	7.70	3,144,271
2018-11-14	HZNP	Sale	408,347	21.54	8,795,794
2018-06-01	HZNP	Sale	83,353	16.18	1,348,234
2018-06-01	HZNP	Option Ex	83,353	10.43	869,371
2018-03-23	HZNP	Option Ex	125,000	.00	0
2018-01-02	HZNP	Option Ex	49,500	.00	0
2017-03-23	HZNP	Option Ex	125,000	.00	0
2017-01-02	HZNP	Option Ex	81,675	.00	0
2016-08-18	HZNP	Option Ex	8,330	2.40	19,992
2016-03-23	HZNP	Option Ex	125,000	.00	0
2016-01-02	HZNP	Option Ex	81,675	.00	0
2015-12-11	HZNP	Option Ex	2,082	4.96	10,326
2015-12-08	HZNP	Option Ex	33,211	.00	0
2015-05-01	HZNP	Option Ex	86,598	8.38	725,864
2014-12-08	HZNP	Option Ex	33,210	.00	0
2015-01-02	HZNP	Option Ex	81,675	.00	0

Table 3. Insider trading of Zyla Life Sciences (ZCOR) by Walbert Timothy P

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-04-23	ZCOR	Option Ex	6,667	1.75	11,667

Table 4. Insider trading of Mirum Pharmaceuticals, Inc. (MIRM) by Walbert Timothy P

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-05-29	MIRM	Option Ex	5,703	.00	0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Walbert Timothy P (Officer of Mirum Pharmaceuticals, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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