1. Corporate Officers - Q
2. Quisel John D

Insider Trading History of Quisel John D

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Quisel John D since 2015. This trader's CIK number is 1586788. At the time of last reporting, Quisel John D was the Chief Executive Officer of Disc Medicine, Inc.. (stock ticker symbol IRON). Also see all insider trading activities at Disc Medicine, Inc..

Note that in the past Quisel John D also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Disc Medicine, Inc. (IRON) by Quisel John D

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	IRON	0	$0	45,574	$2,529,562	47,000	$401,470
2024	IRON	0	$0	12,791	$843,528	15,791	$15,948

Yearly summary of insider trading at Acceleron Pharma Inc (XLRN) by Quisel John D

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	XLRN	0	$0	5,842	$306,792	0	$0
2019	XLRN	0	$0	13,148	$579,670	8,908	$48,343
2018	XLRN	0	$0	5,537	$230,453	0	$0
2017	XLRN	0	$0	6,813	$244,422	0	$0
2016	XLRN	0	$0	67,390	$2,437,490	42,390	$392,925
2015	XLRN	0	$0	56,000	$2,031,361	77,123	$375,034

Insider trading activities at 2 companies by Quisel John D:

1. Disc Medicine, Inc. (IRON)

2. Acceleron Pharma Inc (XLRN)

Table 1. Insider trading of Disc Medicine, Inc. (IRON) by Quisel John D

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-07-09	IRON	Sale	34,800	55.72	1,938,882
2025-07-09	IRON	Option Ex	34,800	9.86	343,128
2025-07-03	IRON	Option Ex	5,200	9.86	51,272
2025-07-03	IRON	Sale	5,200	55.09	286,452
2025-04-07	IRON	Option Ex	7,000	1.01	7,070
2025-02-18	IRON	Sale	5,574	54.58	304,228
2024-12-16	IRON	Option Ex	12,791	1.01	12,918
2024-12-16	IRON	Sale	12,791	65.95	843,528
2024-07-08	IRON	Option Ex	3,000	1.01	3,030

Table 2. Insider trading of Acceleron Pharma Inc (XLRN) by Quisel John D

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-01-02	XLRN	Sale	5,842	52.52	306,792
2019-09-10	XLRN	Sale	3,584	45.23	162,104
2019-07-09	XLRN	Option Ex	8,908	5.43	48,343
2019-04-09	XLRN	Sale	3,622	44.77	162,167
2019-01-02	XLRN	Sale	5,942	42.98	255,399
2018-04-03	XLRN	Sale	1,204	38.74	46,648
2018-01-02	XLRN	Sale	4,333	42.42	183,805
2017-09-13	XLRN	Sale	8	38.03	304
2017-09-12	XLRN	Sale	5,105	38.83	198,227
2017-01-04	XLRN	Sale	1,700	27.00	45,891
2016-09-21	XLRN	Sale	45,952	38.05	1,748,473
2016-09-21	XLRN	Option Ex	25,952	11.70	303,716
2016-09-12	XLRN	Option Ex	16,438	5.43	89,209
2016-09-12	XLRN	Sale	21,438	32.14	689,017
2015-09-14	XLRN	Option Ex	5,500	3.88	21,340
2015-09-14	XLRN	Sale	5,500	33.62	184,910
2015-08-14	XLRN	Option Ex	5,500	4.88	26,840
2015-08-14	XLRN	Sale	5,500	30.98	170,390
2015-07-30	XLRN	Option Ex	13,422	5.28	70,868
2015-07-14	XLRN	Option Ex	5,500	5.88	32,340
2015-07-14	XLRN	Sale	5,500	30.00	165,000
2015-06-17	XLRN	Option Ex	7,701	3.88	29,879
2015-06-15	XLRN	Sale	5,500	31.13	171,215
2015-06-15	XLRN	Option Ex	5,500	5.88	32,340
2015-05-14	XLRN	Option Ex	5,500	5.88	32,340
2015-05-14	XLRN	Sale	5,500	31.43	172,892
2015-03-16	XLRN	Sale	5,500	40.94	225,142
2015-03-16	XLRN	Option Ex	5,500	5.88	32,340
2015-03-13	XLRN	Sale	4,000	41.66	166,660
2015-03-13	XLRN	Option Ex	4,000	5.08	20,320
2015-03-04	XLRN	Option Ex	9,500	4.25	40,403
2015-03-04	XLRN	Sale	9,500	41.40	393,281
2015-01-14	XLRN	Option Ex	9,500	3.79	36,024
2015-01-14	XLRN	Sale	9,500	40.20	381,871

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 Quisel John D (Chief Executive Officer of Disc Medicine, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

▪ Real-time Insider Trading

▪ Insider Officer Cluster Trading

▪ Top Officer Buys of the Week

▪ Top Officer Buys of the Month