Jade Biosciences ($JBIO) Insider Trading & Smart Money Activity

Jade Biosciences, Inc. · Biotechnology · Latest filing Jun 25, 2026

Jade Biosciences, Inc. ($JBIO) has 1 insider trade, 2 13F position changes and 1 analyst rating on file. Insiders filed 1 Form 4 transaction in the last 12 months, none of them open-market purchases or sales.

Insider buyers (12 mo): 0
Insider sellers (12 mo): 0
Net insider $ (12 mo): $0
Congress trades (12 mo): 0
13F moves on file: 2
Analyst ratings on file: 1

JBIO insider buying and selling by quarter

Quarter	Congress buys / sales	13F added / cut
Q1 2026	0 / 0	0 / 0
Q2 2026	0 / 0	0 / 2
Q3 2026	0 / 0	0 / 0
Q4 2026	0 / 0	0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All JBIO insider, congress, 13F and analyst activity

Date	Source	Who	Action	Shares	Value / amount	1W	1M	Story
Jun 25, 2026	Insider	Mark Eisner	Buy (Grant or award)	47.67K sh		-1.4%	-8.5%	Read
Jun 15, 2026	Analyst	UBS	Reiterates to buy		PT $45	+20.8%	+35.8%	Read
May 15, 2026	13F	Rtw Investments	Reduced	-876.07K sh	$8.79M	-4.9%	-31.1%	Read
May 15, 2026	13F	Rtw Investments	Reduced	-876.07K sh	$12.74M	-4.9%	-31.1%	Read

1W / 1M / 6M = how JBIO moved from the trade or filing date.

Insider trading in JBIO: who is buying and selling

Insider	Role	Trades	Open-market net	Shares held	Last trade
Mark Eisner		1	—		Jun 25, 2026

Institutions moving JBIO (13F)

Rtw Investments2

Analyst ratings on JBIO

Date	Firm	Action	Rating	Price target	1W	1M	6M	Story
Jun 15, 2026	UBS	Reiterates	buy	$45	+20.8%	+35.8%		Read

Frequently asked questions

What is the latest insider trade in JBIO?

Mark Eisner filed a buy (grant or award) of 47.67K sh on Jun 25, 2026.

Which institutions changed their JBIO positions?

Recent 13F filers moving the stock include Rtw Investments.

Other biotechnology stocks

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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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