Flammer Martina M.D.
Chief Medical Officer
Flammer Martina M.D. has filed 13 SEC Form 4 filings (68 transaction rows) across 1 company, with disclosures dating back to 2025. 12 of those filings fall inside the rolling window. Most recent filing: Aug 7, 2026.
On the most recent filing, Flammer Martina M.D. is listed as Chief Medical Officer at INSMED Inc. Inside the rolling window, Flammer Martina M.D. reported no open-market purchases and 17 open-market sales totaling $23.3M in INSM. The largest disclosed transaction in the window is a sale of 31,226 INSM shares on Nov 11, 2025, worth $5.9M.
Companies traded
Other insiders at INSM
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$23.3M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| INSM | Chief Medical Officer | Sale | 27,173 | $3.5M | Aug 7 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 12,302 | $1.4M | Jul 8 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 2,566 | $262K | Jun 5 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 1,858 | $193K | Jun 5 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 7,854 | $897K | May 15 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 10,479 | $1.2M | May 15 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 12,949 | $1.3M | May 13 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 869 | $132K | Feb 6 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 7,982 | $1.2M | Feb 4 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 795 | $124K | Feb 4 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 1,887 | $351K | Jan 13 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 10,185 | $1.8M | Jan 8 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 1,434 | $252K | Jan 8 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 4,911 | $855K | Jan 8 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 12,303 | $2.1M | Jan 6 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 8,895 | $1.8M | Dec 3 | SEC ↗ | |
| INSM | Chief Medical Officer | Sale | 31,226 | $5.9M | Nov 13 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 2, 2025 | INSM | Sale | $5.1M |
| Sep 2, 2025 | INSM | Sale | $9.3M |
| Sep 2, 2025 | INSM | Sale | $4.0M |
| Sep 2, 2025 | INSM | Sale | $5.0M |
| Sep 2, 2025 | INSM | Sale | $835K |
| Sep 2, 2025 | INSM | Sale | $2.7M |
Frequently asked questions
How many SEC Form 4 filings has Flammer Martina M.D. made?
Flammer Martina M.D. has filed 13 SEC Form 4 filings (68 transaction rows) across 1 company since 2025.
Which companies does Flammer Martina M.D. trade?
Flammer Martina M.D. has filed SEC Form 4 disclosures for 1 company, including INSM.
When was Flammer Martina M.D.'s most recent SEC Form 4 filing?
Flammer Martina M.D.'s most recent SEC Form 4 filing on Tracefour is dated Aug 7, 2026.
What is Flammer Martina M.D.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Flammer Martina M.D. is listed as Chief Medical Officer.
What is Flammer Martina M.D.'s total buy and sell value in the current window?
Inside the rolling retention window, Flammer Martina M.D. bought $0 and sold $23.3M based on SEC Form 4 filings.
What was Flammer Martina M.D.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 31,226 INSM shares on 2025-11-11, worth $5.9M, per SEC Form 4 filings.