Michael Burkes Brophy insider trades: Natera (NTRA) stock sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Michael reports to the SEC
Open-market buys and sales
140 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Nov 3, 2026 | NTRA | ↓ Sell10b5-1 | 795 | $394.97 | $314K | Direct | Nov 4, 2026 (1d) |
| Oct 30, 2026 | NTRA | ↓ Sell10b5-1 | 3,084 | $425.90 | $1.3M | Direct | Oct 30, 2026 (0d) |
| Oct 28, 2026 | NTRA | ↓ Sell10b5-1 | 1,979 | $418.31 | $828K | Direct | Oct 29, 2026 (1d) |
| Aug 4, 2026 | NTRA | ↓ Sell10b5-1 | 795 | $271.74 | $216K | Direct | Aug 5, 2026 (1d) |
| Jul 29, 2026 | NTRA | ↓ Sell10b5-1 | 5,064 | $253.28 | $1.3M | Direct | Jul 29, 2026 (0d) |
| May 4, 2026 | NTRA | ↓ Sell10b5-1 | 795 | $208.79 | $166K | Direct | May 5, 2026 (1d) |
| Apr 29, 2026 | NTRA | ↓ Sell10b5-1 | 5,063 | $197.84 | $1.0M | Direct | Apr 29, 2026 (0d) |
| Mar 10, 2026 | NTRA | ↓ Sell10b5-1 | 785 | $204.13 | $160K | Direct | Mar 11, 2026 (1d) |
| Feb 3, 2026 | NTRA | ↓ Sell10b5-1 | 6,939 | $227.83 | $1.6M | Direct | Feb 4, 2026 (1d) |
| Jan 29, 2026 | NTRA | ↓ Sell10b5-1 | 5,064 | $235.38 | $1.2M | Direct | Jan 29, 2026 (0d) |
| Jan 21, 2026 | NTRA | ↓ Sell10b5-1 | 61,123 | $239.49 | $14.6M | Direct | Jan 22, 2026 (1d) |
| Oct 29, 2025 | NTRA | ↓ Sell10b5-1 | 5,063 | $191.15 | $968K | Direct | Oct 29, 2025 (0d) |
| Oct 24, 2025 | NTRA | ↓ Sell10b5-1 | 2,170 | $190.30 | $413K | Direct | Oct 24, 2025 (0d) |
| Oct 21, 2025 | NTRA | ↓ Sell10b5-1 | 602 | $187.95 | $113K | Direct | Oct 22, 2025 (1d) |
| Sep 30, 2025 | NTRA | ↓ Sell10b5-1 | 2,491 | $162.05 | $404K | Direct | Oct 1, 2025 (1d) |
| Jul 29, 2025 | NTRA | ↓ Sell10b5-1 | 5,064 | $138.36 | $701K | Direct | Jul 30, 2025 (1d) |
| Jul 24, 2025 | NTRA | ↓ Sell10b5-1 | 2,170 | $139.94 | $304K | Direct | Jul 24, 2025 (0d) |
| Jul 21, 2025 | NTRA | ↓ Sell10b5-1 | 602 | $139.29 | $84K | Direct | Jul 22, 2025 (1d) |
| Apr 29, 2025 | NTRA | ↓ Sell10b5-1 | 5,063 | $153.38 | $777K | Direct | Apr 30, 2025 (1d) |
| Apr 24, 2025 | NTRA | ↓ Sell10b5-1 | 2,161 | $148.92 | $322K | Direct | Apr 24, 2025 (0d) |
| Apr 21, 2025 | NTRA | ↓ Sell10b5-1 | 610 | $145.55 | $89K | Direct | Apr 22, 2025 (1d) |
| Mar 31, 2025 | NTRA | ↓ Sell10b5-1 | 2,562 | $138.41 | $355K | Direct | Apr 1, 2025 (1d) |
| Mar 17, 2025 | NTRA | ↓ Sell10b5-1 | 792 | $146.04 | $116K | Direct | Mar 19, 2025 (2d) |
| Feb 3, 2025 | NTRA | ↓ Sell10b5-1 | 43,902 | $176.85 | $7.8M | Direct | Feb 4, 2025 (1d) |
| Jan 31, 2025 | NTRA | ↓ Sell10b5-1 | 6,221 | $169.12 | $1.1M | Direct | Jan 31, 2025 (0d) |
| Jan 27, 2025 | NTRA | ↓ Sell10b5-1 | 1,442 | $161.87 | $233K | Direct | Jan 29, 2025 (2d) |
| Jan 24, 2025 | NTRA | ↓ Sell10b5-1 | 1,441 | $171.67 | $247K | Direct | Jan 24, 2025 (0d) |
| Jan 22, 2025 | NTRA | ↓ Sell10b5-1 | 25,931 | $164.97 | $4.3M | Direct | Jan 22, 2025 (0d) |
| Oct 31, 2024 | NTRA | ↓ Sell10b5-1 | 1,866 | $126.45 | $236K | Direct | Nov 1, 2024 (1d) |
| Oct 29, 2024 | NTRA | ↓ Sell10b5-1 | 1,992 | $118.86 | $237K | Direct | Oct 30, 2024 (1d) |
| Oct 25, 2024 | NTRA | ↓ Sell10b5-1 | 1,605 | $119.03 | $191K | Direct | Oct 25, 2024 (0d) |
| Oct 23, 2024 | NTRA | ↓ Sell10b5-1 | 496 | $119.09 | $59K | Direct | Oct 23, 2024 (0d) |
| Oct 22, 2024 | NTRA | ↓ Sell10b5-1 | 1,062 | $120.46 | $128K | Direct | Oct 22, 2024 (0d) |
| Jul 31, 2024 | NTRA | ↓ Sell10b5-1 | 3,104 | $100.89 | $313K | Direct | Jul 31, 2024 (0d) |
| Jul 26, 2024 | NTRA | ↓ Sell10b5-1 | 2,359 | $104.39 | $246K | Direct | Jul 26, 2024 (0d) |
| Jul 23, 2024 | NTRA | ↓ Sell10b5-1 | 1,558 | $105.88 | $165K | Direct | Jul 23, 2024 (0d) |
| Jul 1, 2024 | NTRA | ↓ Sell10b5-1 | 4,983 | $108.37 | $540K | Direct | Jul 2, 2024 (1d) |
| May 1, 2024 | NTRA | ↓ Sell10b5-1 | 1,866 | $93.97 | $175K | Direct | May 3, 2024 (2d) |
| Apr 29, 2024 | NTRA | ↓ Sell10b5-1 | 1,238 | $93.14 | $115K | Direct | May 1, 2024 (2d) |
| Apr 26, 2024 | NTRA | ↓ Sell10b5-1 | 2,393 | $91.67 | $219K | Direct | Apr 26, 2024 (0d) |
| Apr 23, 2024 | NTRA | ↓ Sell10b5-1 | 1,523 | $91.38 | $139K | Direct | Apr 23, 2024 (0d) |
| Apr 2, 2024 | NTRA | ↓ Sell10b5-1 | 1,378 | $92.62 | $128K | Direct | Apr 4, 2024 (2d) |
| Mar 28, 2024 | NTRA | ↓ Sell10b5-1 | 914 | $90.42 | $83K | Direct | Mar 29, 2024 (1d) |
| Mar 5, 2024 | NTRA | ↓ Sell10b5-1 | 2,826 | $88.36 | $250K | Direct | Mar 7, 2024 (2d) |
| Feb 6, 2024 | NTRA | ↓ Sell10b5-1 | 34,029 | $70.03 | $2.4M | Direct | Feb 8, 2024 (2d) |
| Feb 1, 2024 | NTRA | ↓ Sell10b5-1 | 22,281 | $67.73 | $1.5M | Direct | Feb 2, 2024 (1d) |
| Jan 29, 2024 | NTRA | ↓ Sell10b5-1 | 3,235 | $65.09 | $211K | Direct | Jan 30, 2024 (1d) |
| Jan 24, 2024 | NTRA | ↓ Sell10b5-1 | 944 | $67.00 | $63K | Direct | Jan 26, 2024 (2d) |
| Jan 23, 2024 | NTRA | ↓ Sell10b5-1 | 2,973 | $66.45 | $198K | Direct | Jan 23, 2024 (0d) |
| Dec 29, 2023 | NTRA | ↓ Sell10b5-1 | 2,292 | $62.69 | $144K | Direct | Dec 29, 2023 (0d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other NTRA insiders
Open-market trades in the last 12 months
About Michael Burkes Brophy's insider trades
Michael Burkes Brophy is Chief Financial Officer at Natera (NTRA). Since Mar 26, 2018, Michael has reported no open-market purchases and 140 sales worth $86.1M on SEC Form 4. In the last 12 months: 11 sales ($22.7M).
87 sales (68% of the value sold) were made under a Rule 10b5-1 trading plan, which is set up months in advance and runs on a schedule, so they say little about how the insider sees the stock today.
Their filings also include option exercises (100 filings), grants and awards (19 filings), shares withheld for taxes (1 filing). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every NTRA insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.