Insider · CIK 0001796960
Martina Flammer M.D.
Files at INSM (INSMED Inc). First filing Jan 10, 2025, latest Jun 5, 2026.
Martina Flammer M.D. files SEC Form 4 as officer at INSM (INSMED Inc). Since Jan 10, 2025, Martina Flammer M.D. has reported 0 open-market buys worth $0 and 20 open-market sells worth $59M, the latest filed on Jun 5, 2026.
A track record needs three past buys with six months of prices behind them; Martina Flammer M.D. has 0, so none is measured yet.
The newest scored trade: sold $455k of INSM on Jun 3, 2026, filed Jun 5, 2026, scored 27 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 10 sells worth $18M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
INSM: INSMED Inc
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 27Weak | INSMED Inc | $455k 4,424 shares | -7% | +47% from low-51% from high | |
| 40Moderate | INSMED Inc | $2.1M 18,333 shares | -22% | +80% from low-44% from high | |
| 25Weak | INSMED Inc | $1.3M 12,949 shares | -13% | +58% from low-51% from high | |
| 21Weak | INSMED Inc | $132k 869 shares | -1% | +133% from low-29% from high | |
| 20Weak | INSMED Inc | $1.4M 8,777 shares | -9% | +138% from low-27% from high | |
| 25Weak | INSMED Inc | $351k 1,887 shares | -2% | +172% from low-17% from high | |
| 25Weak | INSMED Inc | $2.9M 16,530 shares | -16% | +170% from low-17% from high | |
| 25Weak | INSMED Inc | $2.1M 12,303 shares | -11% | +170% from low-17% from high | |
| 20Weak | INSMED Inc | $1.8M 8,895 shares | -10% | +226% from low0% from high | |
| 30Weak | INSMED Inc | $5.9M 31,226 shares | -27% | +199% from low-0% from high | |
| 40Moderate | INSMED Inc | $27M 186,648 shares | -69% | +124% from low0% from high | |
| 19Weak | INSMED Inc | $954k 8,715 shares | -9% | +72% from low0% from high | |
| 30Weak | INSMED Inc | $4.1M 45,163 shares | -41% | +40% from low0% from high | |
| 40Moderate | INSMED Inc | $121k 1,686 shares | -2% | +13% from low-13% from high | |
| 37Weak | INSMED Inc | $771k 11,724 shares | -12% | +4% from low-20% from high | |
| 56Moderate | INSMED Inc | $685k 10,152 shares | -10% | +1% from low-22% from high | |
| 45Moderate | INSMED Inc | $3.0M 37,828 shares | -27% | - | |
| 60Notable | INSMED Inc | $2.7M 33,115 shares | -19% | - | |
| 20Weak | INSMED Inc | $95k 1,384 shares | -1% | - | |
| 36Weak | INSMED Inc | $726k 11,218 shares | -11% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Dec 1, 2025 | INSM Insmed Inc | 8,895 0.00% of outstanding | $1.8M | Dec 1, 2025 | $33M |
| Nov 12, 2025 | INSM Insmed Inc | 31,226 0.01% of outstanding | $5.9M | Nov 11, 2025 | $27M |
| Sep 2, 2025 | INSM INSMED Inc | 186,648 0.09% of outstanding | $27M | Sep 2, 2025 | $5.2M |
| Aug 4, 2025 | INSM INSMED Inc | 8,715 0.00% of outstanding | $954k | Aug 4, 2025 | $5.7M |
| Jun 11, 2025 | INSM INSMED Inc | 19,423 0.01% of outstanding | $1.8M | Jun 11, 2025 | $3.9M |
| Jun 10, 2025 | INSM INSMED Inc | 25,740 0.01% of outstanding | $2.3M | Jun 10, 2025 | $1.6M |
| Jun 3, 2025 | INSM INSMED Inc | 1,686 0.00% of outstanding | $121k | Jun 3, 2025 | $1.5M |
| May 15, 2025 | INSM INSMED Inc | 11,724 0.01% of outstanding | $768k | May 15, 2025 | $685k |
| May 14, 2025 | INSM INSMED Inc | 1,744 0.00% of outstanding | $114k | May 14, 2025 | $570k |
| May 13, 2025 | INSM INSMED Inc | 8,408 0.00% of outstanding | $570k | May 13, 2025 | none |
| Feb 10, 2025 | INSM INSMED Inc | 37,828 0.02% of outstanding | $3.0M | Feb 10, 2025 | $3.5M |
| Feb 6, 2025 | INSM INSMED Inc | 33,500 0.02% of outstanding | $2.7M | Feb 6, 2025 | $821k |
| Jan 10, 2025 | INSM INSMED Inc | 1,371 0.00% of outstanding | $87k | Jan 10, 2025 | $333k |
| Jan 10, 2025 | INSM INSMED Inc | 6,185 0.00% of outstanding | $399k | Jan 10, 2025 | $333k |
| Jan 8, 2025 | INSM INSMED Inc | 1,702 0.00% of outstanding | $113k | Jan 8, 2025 | $220k |
| Jan 7, 2025 | INSM INSMED Inc | 3,344 0.00% of outstanding | $220k | Jan 7, 2025 | none |
Transactions
The newest 50 of 106 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 3, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -2,566 | $102.27 | $262k | 62,344 | Jun 5, 2026 |
| Jun 5, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -1,858 | $103.78 | $193k | 60,486 | Jun 5, 2026 |
| May 13, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -4,470 | $112.76 | $504k | 78,773 | May 15, 2026 |
| May 13, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -3,384 | $116.18 | $393k | 75,389 | May 15, 2026 |
| May 14, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -10,479 | $117.54 | $1.2M | 64,910 | May 15, 2026 |
| May 11, 2026 | INSM INSMED Inc | MOption exercise Common Stock10b5-1 | +12,949 | $17.07 | $221k | 96,192 | May 13, 2026 |
| May 11, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -12,119 | $100.35 | $1.2M | 84,073 | May 13, 2026 |
| May 11, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -830 | $101.18 | $84k | 83,243 | May 13, 2026 |
| May 11, 2026 | INSM INSMED Inc | MOption exercise Stock Option (right to buy)derivative10b5-1 | -12,949 | $0.00 | $0 | 0 | May 13, 2026 |
| Feb 5, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -869 | $152.44 | $132k | 83,243 | Feb 6, 2026 |
| Feb 2, 2026 | INSM INSMED Inc | MOption exercise Common Stock10b5-1 | +7,982 | $65.72 | $525k | 92,889 | Feb 4, 2026 |
| Feb 2, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -563 | $152.06 | $86k | 92,326 | Feb 4, 2026 |
| Feb 2, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -928 | $153.16 | $142k | 91,398 | Feb 4, 2026 |
| Feb 2, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -3,349 | $154.56 | $518k | 88,049 | Feb 4, 2026 |
| Feb 2, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -3,042 | $155.46 | $473k | 85,007 | Feb 4, 2026 |
| Feb 2, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -100 | $156.86 | $16k | 84,907 | Feb 4, 2026 |
| Feb 3, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -795 | $155.77 | $124k | 84,112 | Feb 4, 2026 |
| Feb 2, 2026 | INSM INSMED Inc | MOption exercise Stock Option (right to buy)derivative10b5-1 | -7,982 | $0.00 | $0 | 23,948 | Feb 4, 2026 |
| Jan 9, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -1,887 | $186.19 | $351k | 84,907 | Jan 13, 2026 |
| Jan 6, 2026 | INSM INSMED Inc | MOption exercise Common Stock10b5-1 | +8,570 | $26.43 | $227k | 103,324 | Jan 8, 2026 |
| Jan 6, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -4,783 | $173.47 | $830k | 98,541 | Jan 8, 2026 |
| Jan 6, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -2,830 | $174.21 | $493k | 95,711 | Jan 8, 2026 |
| Jan 6, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -957 | $175.01 | $167k | 94,754 | Jan 8, 2026 |
| Jan 6, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -1,615 | $173.33 | $280k | 93,139 | Jan 8, 2026 |
| Jan 7, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -1,434 | $175.84 | $252k | 91,705 | Jan 8, 2026 |
| Jan 8, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -1,660 | $173.87 | $289k | 90,045 | Jan 8, 2026 |
| Jan 8, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -3,251 | $174.17 | $566k | 86,794 | Jan 8, 2026 |
| Jan 6, 2026 | INSM INSMED Inc | MOption exercise Stock Option (right to buy)derivative10b5-1 | -8,570 | $0.00 | $0 | 0 | Jan 8, 2026 |
| Jan 2, 2026 | INSM INSMED Inc | AGrant or award Common Stock10b5-1 | +5,998 | - | - | 89,109 | Jan 6, 2026 |
| Jan 2, 2026 | INSM INSMED Inc | AGrant or award Common Stock10b5-1 | +5,645 | - | - | 94,754 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | MOption exercise Common Stock10b5-1 | +4,358 | $19.74 | $86k | 99,112 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | MOption exercise Common Stock10b5-1 | +7,945 | $29.13 | $231k | 107,057 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -2,799 | $169.29 | $474k | 104,258 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -3,205 | $170.61 | $547k | 101,053 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -2,836 | $171.19 | $485k | 98,217 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -286 | $171.92 | $49k | 97,931 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -1,820 | $173.45 | $316k | 96,111 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -655 | $174.28 | $114k | 95,456 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -702 | $175.73 | $123k | 94,754 | Jan 6, 2026 |
| Jan 2, 2026 | INSM INSMED Inc | AGrant or award Stock Option (right to buy)derivative10b5-1 | +31,280 | $0.00 | $0 | 31,280 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | MOption exercise Stock Option (right to buy)derivative10b5-1 | -4,358 | $0.00 | $0 | 8,715 | Jan 6, 2026 |
| Jan 5, 2026 | INSM INSMED Inc | MOption exercise Stock Option (right to buy)derivative10b5-1 | -7,945 | $0.00 | $0 | 31,780 | Jan 6, 2026 |
| Dec 1, 2025 | INSM INSMED Inc | MOption exercise Common Stock10b5-1 | +8,895 | $25.83 | $230k | 92,006 | Dec 3, 2025 |
| Dec 1, 2025 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -1,450 | $205.98 | $299k | 90,556 | Dec 3, 2025 |
| Dec 1, 2025 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -5,886 | $207.03 | $1.2M | 84,670 | Dec 3, 2025 |
| Dec 1, 2025 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -1,559 | $207.73 | $324k | 83,111 | Dec 3, 2025 |
| Dec 1, 2025 | INSM INSMED Inc | MOption exercise Stock Option (right to buy)derivative10b5-1 | -8,895 | $0.00 | $0 | 44,475 | Dec 3, 2025 |
| Nov 11, 2025 | INSM INSMED Inc | MOption exercise Common Stock10b5-1 | +12,949 | $17.07 | $221k | 96,060 | Nov 13, 2025 |
| Nov 11, 2025 | INSM INSMED Inc | MOption exercise Common Stock10b5-1 | +18,277 | $18.95 | $346k | 114,337 | Nov 13, 2025 |
| Nov 11, 2025 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -5,467 | $188.38 | $1.0M | 108,870 | Nov 13, 2025 |
Questions about Martina Flammer M.D.
Answered from the filings on this page, as of the latest one.
Is Martina Flammer M.D. buying or selling?
In the last 12 months Martina Flammer M.D. reported 0 open-market buys worth $0 and 10 open-market sells worth $18M on SEC Form 4; the latest was sold $455k of INSM on Jun 3, 2026. Grants, option exercises and tax withholding are not counted.
How did Martina Flammer M.D.'s past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Martina Flammer M.D. has 0.
Where does Martina Flammer M.D. file Form 4?
Martina Flammer M.D. has filed Form 4 at INSM (INSMED Inc) as Chief Medical Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.