Insider · CIK 0001586788

Quisel John D

Reports to the SEC for 3 companies · SAN DIEGO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001586788

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-23	GOSSGossamer Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+10K sh	—	—	10,000
2026-09-15	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+36K sh	$1.01	+$36.4K	262,064
2026-09-15	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−36K sh	—	—	150,120
2026-08-17	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+33K sh	$13.50	+$446K	259,064
2026-08-17	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−8,400 sh	$78.11	−$656K	250,664
2026-08-17	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−12.7K sh	$79.20	−$1.01M	237,952
2026-08-17	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−11.9K sh	$79.84	−$949K	226,064
2026-08-17	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−33K sh	—	—	91,586
2026-07-13	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+25.6K sh	$9.86	+$252K	251,648
2026-07-13	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+7,416 sh	$13.50	+$100K	259,064
2026-07-13	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−9,704 sh	$74.27	−$721K	249,360
2026-07-13	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−16.9K sh	$74.95	−$1.27M	232,464
2026-07-13	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−6,400 sh	$76.05	−$487K	226,064
2026-07-13	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−25.6K sh	—	—	15,791
2026-07-13	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−7,416 sh	—	—	124,586
2026-06-18	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+34K sh	$9.86	+$335K	260,064
2026-06-18	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−22.9K sh	$69.92	−$1.6M	237,137
2026-06-18	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−9,522 sh	$70.70	−$673K	227,615
2026-06-18	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−1,551 sh	$71.61	−$111K	226,064
2026-06-18	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−34K sh	—	—	41,375
2026-06-04	GOSSGossamer Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+115K sh	—	—	115,000
2026-02-17	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−13.3K sh	$62.86	−$834K	226,064
2026-02-10	IRONDisc Medicine, Inc.A Award	Director, Chief Executive Officer	AAward	+55.2K sh	—	—	239,328
2026-02-10	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+82.8K sh	—	—	82,800
2025-12-19	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+12.3K sh	$1.01	+$12.4K	184,128
2025-12-19	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−12.3K sh	—	—	186,120
2025-12-11	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+40K sh	$9.86	+$394K	211,828
2025-12-11	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−2,419 sh	$90.97	−$220K	209,409
2025-12-11	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−4,337 sh	$92.21	−$400K	205,072
2025-12-11	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−16.4K sh	$92.96	−$1.52M	188,716
2025-12-11	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−16.9K sh	$93.65	−$1.58M	171,828
2025-12-11	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−40K sh	—	—	75,375
2025-09-09	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+10K sh	$1.01	+$10.1K	171,828
2025-09-09	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−10K sh	—	—	198,420
2025-07-09	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+34.8K sh	$9.86	+$343K	196,628
2025-07-09	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−31.2K sh	$55.23	−$1.72M	165,421
2025-07-09	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−3,593 sh	$56.20	−$202K	161,828
2025-07-09	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−34.8K sh	—	—	115,375
2025-07-03	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+5,200 sh	$9.86	+$51.3K	167,028
2025-07-03	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−5,200 sh	$55.09	−$286K	161,828
2025-07-03	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−5,200 sh	—	—	150,175
2025-06-25	GOSSGossamer Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+115K sh	—	—	115,000
2025-04-07	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+7,000 sh	$1.01	+$7,070	161,828
2025-04-07	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−7,000 sh	—	—	208,420
2025-02-18	IRONDisc Medicine, Inc.S Sale	Director, Chief Executive Officer	SSale	−5,574 sh	$54.58	−$304K	154,828
2025-02-10	IRONDisc Medicine, Inc.A Award	Director, Chief Executive Officer	AAward	+78.3K sh	—	—	160,402
2025-02-10	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+118K sh	—	—	117,505
2024-12-31	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+10K sh	$1.01	+$10.1K	82,065
2024-12-31	IRONDisc Medicine, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−10K sh	—	—	215,420
2024-12-30	IRONDisc Medicine, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+13K sh	$9.86	+$128K	85,077

Recent filings

Accepted (ET)
Sep 254
Quisel John D0001628280-26-063606
SEC(opens sec.gov)
Sep 164
Quisel John D0001193125-26-393353
SEC(opens sec.gov)
Aug 184
Quisel John D0001193125-26-355841
SEC(opens sec.gov)
Jul 144
Quisel John D0001193125-26-303535
SEC(opens sec.gov)
Jun 234
Quisel John D0001193125-26-279779
SEC(opens sec.gov)

Companies

Address

3115 MERRYFIELD ROW, SUITE 120

SAN DIEGO, CA, 92121