Quisel John Dinsider trades

In SEC Form 4 filings, Quisel John D is listed as Director of Gossamer Bio, Inc. (GOSS) and Chief Executive Officer of Disc Medicine, Inc. (IRON). Quisel John D reported no open-market purchases or sales in the last 90 days. The latest Form 4 transaction on record was filed on Sep 25.

Companies and roles

Company	Role	Transactions	Last filed
GOSSGossamer Bio, Inc.	Director	1	Sep 25
IRONDisc Medicine, Inc.	Chief Executive Officer	2	Sep 16

Cluster buys

No cluster buy in the last 90 days included a purchase by this insider (two or more insiders buying within 14 days).

Form 4 historysince 2026-09-16

Company	Traded	Filed	Type	Shares	Price	Value	Owned after	10b5-1 plan	Filing
GOSSGossamer Bio, Inc.	Sep 23	Sep 25	A · derivative	10,000	$10.99	$109,900	10,000	No	Form 4
IRONDisc Medicine, Inc.	Sep 15	Sep 16	M	36,000	$1.01	$36,360	262,064	No	Form 4
IRONDisc Medicine, Inc.	Sep 15	Sep 16	M · derivative	36,000	$1.01	$36,360	150,120	No	Form 4

Published from this insider's public Form 4 filings on SEC EDGAR; the name is shown as filed. Named in a filing and want this page removed? See the privacy policy.