Insider Trading History of Deerfield Partners, L.p.

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Deerfield Partners, L.p. since 2015. This trader's CIK number is 1301041. At the time of last reporting, Deerfield Partners, L.p. was the Officer of Larimar Therapeutics, Inc.. (stock ticker symbol LRMR). Also see all insider trading activities at Larimar Therapeutics, Inc..

Note that in the past DEERFIELD PARTNERS, L.P. also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Black Diamond Therapeutics, Inc. (BDTX) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	BDTX	400,000	$7,600,000	0	$0	0	$0

Yearly summary of insider trading at Regenxbio Inc. (RGNX) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2015	RGNX	175,000	$3,850,000	0	$0	0	$0

Yearly summary of insider trading at Calcimedica, Inc. (GRAY) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	GRAY	1,562,500	$25,000,000	0	$0	0	$0

Yearly summary of insider trading at Schrodinger, Inc. (SDGR) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	SDGR	250,000	$4,250,000	0	$0	0	$0

Yearly summary of insider trading at Ehealth, Inc. (EHTH) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2015	EHTH	1,000,000	$20,143,000	0	$0	0	$0

Yearly summary of insider trading at Nkarta, Inc. (NKTX) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	NKTX	1,000,000	$18,000,000	0	$0	0	$0

Yearly summary of insider trading at Acutus Medical, Inc. (AFIB) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	AFIB	1,071,428	$14,999,992	0	$0	0	$0
2020	AFIB	1,500,000	$27,000,000	0	$0	0	$0

Yearly summary of insider trading at Generation Bio Co. (GBIO) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	GBIO	225,000	$4,275,000	0	$0	0	$0

Yearly summary of insider trading at Werewolf Therapeutics, Inc. (HOWL) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	HOWL	800,000	$12,800,000	0	$0	0	$0

Yearly summary of insider trading at Revolution Medicines, Inc. (RVMD) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	RVMD	600,000	$10,200,000	0	$0	0	$0

Yearly summary of insider trading at Annexon, Inc. (ANNX) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	ANNX	700,000	$11,900,000	0	$0	0	$0

Yearly summary of insider trading at Larimar Therapeutics, Inc. (LRMR) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	LRMR	9,375,000	$30,000,000	0	$0	0	$0
2024	LRMR	4,290,617	$37,499,992	0	$0	0	$0

Yearly summary of insider trading at Oncorus, Inc. (ONCR) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2022	ONCR	0	$0	565,449	$156,437	0	$0

Yearly summary of insider trading at Aclaris Therapeutics, Inc. (ACRS) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2019	ACRS	0	$0	1,770,150	$7,740,797	0	$0

Yearly summary of insider trading at Korro Bio, Inc. (FREQ) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2019	FREQ	285,714	$3,999,996	0	$0	0	$0

Yearly summary of insider trading at Mallinckrodt Plc (MNK) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2018	MNK	0	$0	312,928	$4,144,731	0	$0

Yearly summary of insider trading at Kiniksa Pharmaceuticals International, Plc (KNSA) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2018	KNSA	843,352	$16,436,930	0	$0	0	$0

Yearly summary of insider trading at Caremax, Inc. (CMAX) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	CMAX	0	$0	0	$0	3,418,750	$0

Yearly summary of insider trading at Cabaletta Bio, Inc. (CABA) by Deerfield Partners, L.p.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2019	CABA	700,000	$7,700,000	0	$0	0	$0

Insider trading activities at 19 companies by Deerfield Partners, L.p.:

1. Black Diamond Therapeutics, Inc. (BDTX)

2. Regenxbio Inc. (RGNX)

3. Calcimedica, Inc. (GRAY)

4. Schrodinger, Inc. (SDGR)

5. Ehealth, Inc. (EHTH)

6. Nkarta, Inc. (NKTX)

7. Acutus Medical, Inc. (AFIB)

8. Generation Bio Co. (GBIO)

9. Werewolf Therapeutics, Inc. (HOWL)

10. Revolution Medicines, Inc. (RVMD)

11. Annexon, Inc. (ANNX)

12. Larimar Therapeutics, Inc. (LRMR)

13. Oncorus, Inc. (ONCR)

14. Aclaris Therapeutics, Inc. (ACRS)

15. Korro Bio, Inc. (FREQ)

16. Mallinckrodt Plc (MNK)

17. Kiniksa Pharmaceuticals International, Plc (KNSA)

18. Caremax, Inc. (CMAX)

19. Cabaletta Bio, Inc. (CABA)

Table 1. Insider trading of Black Diamond Therapeutics, Inc. (BDTX) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-02-03	BDTX	Buy	400,000	19.00	7,600,000

Table 2. Insider trading of Regenxbio Inc. (RGNX) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2015-09-22	RGNX	Buy	175,000	22.00	3,850,000

Table 3. Insider trading of Calcimedica, Inc. (GRAY) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-09-29	GRAY	Buy	1,562,500	16.00	25,000,000

Table 4. Insider trading of Schrodinger, Inc. (SDGR) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-02-10	SDGR	Buy	250,000	17.00	4,250,000

Table 5. Insider trading of Ehealth, Inc. (EHTH) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2015-01-14	EHTH	Buy	1,000,000	20.14	20,143,000

Table 6. Insider trading of Nkarta, Inc. (NKTX) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-07-14	NKTX	Buy	1,000,000	18.00	18,000,000

Table 7. Insider trading of Acutus Medical, Inc. (AFIB) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-07-19	AFIB	Buy	1,071,428	14.00	14,999,992
2020-08-10	AFIB	Buy	1,500,000	18.00	27,000,000

Table 8. Insider trading of Generation Bio Co. (GBIO) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-06-16	GBIO	Buy	225,000	19.00	4,275,000

Table 9. Insider trading of Werewolf Therapeutics, Inc. (HOWL) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-05-04	HOWL	Buy	800,000	16.00	12,800,000

Table 10. Insider trading of Revolution Medicines, Inc. (RVMD) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-02-18	RVMD	Buy	600,000	17.00	10,200,000

Table 11. Insider trading of Annexon, Inc. (ANNX) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-07-28	ANNX	Buy	700,000	17.00	11,900,000

Table 12. Insider trading of Larimar Therapeutics, Inc. (LRMR) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-07-31	LRMR	Buy	9,375,000	3.20	30,000,000
2024-02-16	LRMR	Buy	4,290,617	8.74	37,499,992

Table 13. Insider trading of Oncorus, Inc. (ONCR) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2022-12-28	ONCR	Sale	55,610	.25	13,902
2022-12-29	ONCR	Sale	141,753	.26	36,855
2022-12-30	ONCR	Sale	138,872	.27	37,495
2022-12-22	ONCR	Sale	8,294	.28	2,322
2022-12-27	ONCR	Sale	65,090	.27	17,574
2022-12-19	ONCR	Sale	99,718	.29	28,918
2022-12-20	ONCR	Sale	14,740	.31	4,569
2022-12-21	ONCR	Sale	13,800	.30	4,140
2022-12-15	ONCR	Sale	3,089	.39	1,204
2022-12-14	ONCR	Sale	8,600	.38	3,268
2022-12-13	ONCR	Sale	2,097	.41	859
2022-12-15	ONCR	Sale	3,089	.39	1,204
2022-12-14	ONCR	Sale	8,600	.38	3,268
2022-12-13	ONCR	Sale	2,097	.41	859

Table 14. Insider trading of Aclaris Therapeutics, Inc. (ACRS) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2019-06-27	ACRS	Sale	699,475	2.69	1,882,287
2019-06-26	ACRS	Sale	1,704	4.50	7,671
2019-06-21	ACRS	Sale	339,537	4.62	1,566,963
2019-06-24	ACRS	Sale	63,240	4.52	286,034
2019-06-25	ACRS	Sale	51,484	4.51	232,141
2019-05-09	ACRS	Sale	434,145	6.16	2,673,464
2019-05-10	ACRS	Sale	180,565	6.05	1,092,237

Table 15. Insider trading of Korro Bio, Inc. (FREQ) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2019-10-07	FREQ	Buy	285,714	14.00	3,999,996

Table 16. Insider trading of Mallinckrodt Plc (MNK) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2018-05-09	MNK	Sale	312,928	13.24	4,144,731

Table 17. Insider trading of Kiniksa Pharmaceuticals International, Plc (KNSA) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2018-05-29	KNSA	Buy	843,352	19.49	16,436,930

Table 18. Insider trading of Caremax, Inc. (CMAX) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-06-08	CMAX	Option Ex	3,418,750	.00	0

Table 19. Insider trading of Cabaletta Bio, Inc. (CABA) by Deerfield Partners, L.p.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2019-10-29	CABA	Buy	700,000	11.00	7,700,000

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 Deerfield Partners, L.p. (Officer of Larimar Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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