Bonstein Sara
Chief Financial Officer
Bonstein Sara has filed 6 SEC Form 4 filings (14 transaction rows) across 1 company, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Jun 5, 2026.
On the most recent filing, Bonstein Sara is listed as Chief Financial Officer at INSMED Inc. Inside the rolling window, Bonstein Sara reported no open-market purchases and 6 open-market sales totaling $2.1M in INSM. The largest disclosed transaction in the window is a sale of 8,272 INSM shares on May 13, 2026, worth $961K.
Companies traded
Other insiders at INSM
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.1M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| INSM | Chief Financial Officer | Sale | 2,404 | $246K | Jun 5 | SEC ↗ | |
| INSM | Chief Financial Officer | Sale | 8,272 | $961K | May 15 | SEC ↗ | |
| INSM | Chief Financial Officer | Sale | 748 | $117K | Feb 4 | SEC ↗ | |
| INSM | Chief Financial Officer | Sale | 1,517 | $263K | Jan 8 | SEC ↗ | |
| INSM | Chief Financial Officer | Sale | 1,678 | $294K | Jan 8 | SEC ↗ | |
| INSM | Chief Financial Officer | Sale | 1,447 | $252K | Jan 8 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Bonstein Sara made?
Bonstein Sara has filed 6 SEC Form 4 filings (14 transaction rows) across 1 company since 2025.
Which companies does Bonstein Sara trade?
Bonstein Sara has filed SEC Form 4 disclosures for 1 company, including INSM.
When was Bonstein Sara's most recent SEC Form 4 filing?
Bonstein Sara's most recent SEC Form 4 filing on Tracefour is dated Jun 5, 2026.
What is Bonstein Sara's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Bonstein Sara is listed as Chief Financial Officer.
What is Bonstein Sara's total buy and sell value in the current window?
Inside the rolling retention window, Bonstein Sara bought $0 and sold $2.1M based on SEC Form 4 filings.
What was Bonstein Sara's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 8,272 INSM shares on 2026-05-13, worth $961K, per SEC Form 4 filings.