Marcus Gail Boxer sold Natera Inc ($NTRA) shares on the open market 19 times over the last year, totaling about $2.9 million, with his most recent sale on November 3, 2025. His sales volume ranks 2,789th among 11,678 individual insiders, below the average of $8.6 million per seller and 6.4 transactions. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 30, 2026 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | A | Common Stock | 91 | $0.00 | 5,853.0000 | 136,721,000 | 1.58% | 0.00% |
| Nov. 3, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 122 | $198.71 | 5,762.0000 | 137,187,000 | 2.07% | 0.00% |
| Oct. 31, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | A | Common Stock | 121 | $0.00 | 5,884.0000 | 137,187,000 | 2.10% | 0.00% |
| Aug. 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 1313 | $132.73 | 6,946.0000 | 136,388,000 | 15.90% | 0.00% |
| Aug. 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 1183 | $133.66 | 5,763.0000 | 136,388,000 | 17.03% | 0.00% |
| July 25, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | A | Common Stock | 141 | $0.00 | 8,259.0000 | 136,388,000 | 1.74% | 0.00% |
| July 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 1648 | $167.05 | 10,769.0000 | 136,388,000 | 13.27% | 0.00% |
| July 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 2651 | $167.56 | 8,118.0000 | 136,388,000 | 24.62% | 0.00% |
| July 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Stock Option (right to buy) | 4299 | $0.00 | 0.0000 | 136,388,000 | 100.00% | 0.00% |
| July 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Common Stock | 4299 | $24.42 | 12,417.0000 | 136,388,000 | 52.96% | 0.00% |
| June 27, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | A | Common Stock | 271 | $0.00 | 8,118.0000 | 134,750,000 | 3.45% | 0.00% |
| June 27, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | A | Common Stock | 2143 | $0.00 | 7,847.0000 | 134,750,000 | 37.57% | 0.00% |
| June 10, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 600 | $165.05 | 5,704.0000 | 134,750,000 | 9.52% | 0.00% |
| June 10, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 3400 | $164.33 | 6,304.0000 | 134,750,000 | 35.04% | 0.00% |
| May 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 241 | $149.05 | 13,109.0000 | 134,750,000 | 1.81% | 0.00% |
| May 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 341 | $149.96 | 12,768.0000 | 134,750,000 | 2.60% | 0.00% |
| May 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 672 | $151.37 | 12,096.0000 | 134,750,000 | 5.26% | 0.00% |
| May 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 942 | $152.22 | 11,154.0000 | 134,750,000 | 7.79% | 0.00% |
| May 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 1450 | $153.06 | 9,704.0000 | 134,750,000 | 13.00% | 0.00% |
| May 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Stock Option (right to buy) | 4000 | $0.00 | 4,299.0000 | 134,750,000 | 48.20% | 0.00% |
| May 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 31 | $146.34 | 13,673.0000 | 134,750,000 | 0.23% | 0.00% |
| May 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Common Stock | 4000 | $24.42 | 13,704.0000 | 134,750,000 | 41.22% | 0.00% |
| May 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 323 | $147.95 | 13,350.0000 | 134,750,000 | 2.36% | 0.00% |
| April 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 1528 | $141.13 | 10,266.0000 | 134,750,000 | 12.96% | 0.00% |
| April 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Common Stock | 1130 | $7.86 | 10,834.0000 | 134,750,000 | 11.64% | 0.00% |
| April 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Common Stock | 2870 | $24.42 | 13,704.0000 | 134,750,000 | 26.49% | 0.00% |
| April 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 398 | $139.33 | 13,306.0000 | 134,750,000 | 2.90% | 0.00% |
| April 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 1512 | $140.17 | 11,794.0000 | 134,750,000 | 11.36% | 0.00% |
| April 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 365 | $142.25 | 9,901.0000 | 134,750,000 | 3.56% | 0.00% |
| April 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 197 | $142.82 | 9,704.0000 | 134,750,000 | 1.99% | 0.00% |
| April 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Stock Option (right to buy) | 1130 | $0.00 | 0.0000 | 134,750,000 | 100.00% | 0.00% |
| April 1, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Stock Option (right to buy) | 2870 | $0.00 | 8,299.0000 | 134,750,000 | 25.70% | 0.00% |
| March 12, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 1682 | $148.71 | 10,085.0000 | 124,718,000 | 14.29% | 0.00% |
| March 12, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 381 | $149.27 | 9,704.0000 | 124,718,000 | 3.78% | 0.00% |
| March 12, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Stock Option (right to buy) | 4000 | $0.00 | 1,130.0000 | 124,718,000 | 77.97% | 0.00% |
| March 12, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 923 | $147.20 | 11,767.0000 | 124,718,000 | 7.27% | 0.00% |
| March 12, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 1014 | $145.86 | 12,690.0000 | 124,718,000 | 7.40% | 0.00% |
| March 12, 2025 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | M | Common Stock | 4000 | $7.86 | 13,704.0000 | 124,718,000 | 41.22% | 0.00% |
| Nov. 19, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 2100 | $160.52 | 9,704.0000 | 123,775,000 | 17.79% | 0.00% |
| Nov. 19, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 7582 | $159.83 | 11,804.0000 | 123,775,000 | 39.11% | 0.01% |
| Nov. 14, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 371 | $159.85 | 19,586.0000 | 123,775,000 | 1.86% | 0.00% |
| Nov. 14, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 200 | $162.04 | 19,386.0000 | 123,775,000 | 1.02% | 0.00% |
| Nov. 14, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 791 | $157.86 | 20,307.0000 | 123,775,000 | 3.75% | 0.00% |
| Nov. 14, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 350 | $159.19 | 19,957.0000 | 123,775,000 | 1.72% | 0.00% |
| Nov. 14, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 500 | $156.75 | 21,098.0000 | 123,775,000 | 2.32% | 0.00% |
| June 28, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | A | Common Stock | 2964 | $0.00 | 21,598.0000 | 120,814,000 | 15.91% | 0.00% |
| May 30, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | S | Common Stock | 2000 | $110.17 | 18,634.0000 | 120,814,000 | 9.69% | 0.00% |
| April 26, 2024 | Natera, Inc. | $NTRA | Marcus Gail Boxer | Not found | A | Common Stock | 488 | $0.00 | 20,634.0000 | 120,814,000 | 2.42% | 0.00% |