Insider Profile · SEC Form 4 Activity · Trailing 90 Days

Bonstein Sara

Over the trailing 90 days, Bonstein Sara (Other Officer at INSMED Inc) sold $1.2M of stock across 2 companies, per 3 SEC Form 4 transactions.

Role: Other Officer
Companies: INSM XLO
Window: Trailing 90 days · 3 transactions · CIK 1604019
Net activity: −$1.2M ($0 bought · $1.2M sold)
Source: Official filings on sec.gov ↗

By Company (Trailing 90 Days)

Symbol	Company	Txns	Bought	Sold	Net
INSM	INSMED Inc	2	—	$1.2M	−$1.2M
XLO	Xilio Therapeutics, Inc.	1	—	—	$0

Transactions (3)

Date	Symbol	Type	Shares	Value	Description
2026-06-11	XLO	Buy	5.0K	$0	Grant, award or other acquisition
2026-06-03	INSM	Sell	2.4K	$246K	Open market or private sale
2026-05-13	INSM	Sell	8.3K	$961K	Open market or private sale

Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.

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