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Rowan E Chapman
Insider
First SEC filing: June 17, 2026 · Latest: June 17, 2026
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-1,764,386
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 15, 2026 | NTRA | S 10b5-1 | 135 | $274.82 | $37,101 | 4,663 Direct | -2.81% | Disposed | 49.3% (price as of 2026-10-02) |
| June 26, 2026 | NTRA | A | 103 | · | · | 4,798 Direct | +2.19% | Acquired | (price as of 2026-10-02) |
| June 26, 2026 | NTRA | A | 1,571 | · | · | 4,695 Direct | +50.29% | Acquired | (price as of 2026-10-02) |
| June 16, 2026 | NTRA | S 10b5-1 | 2,964 | $216.78 | $642,536 | 3,124 Direct | -48.69% | Disposed | 89.3% (price as of 2026-10-02) |
| April 24, 2026 | NTRA | A | 114 | · | · | 5,866 Direct | +1.98% | Acquired | (price as of 2026-10-02) |
| April 24, 2026 | NTRA | A | 222 | · | · | 6,088 Direct | +3.78% | Acquired | (price as of 2026-10-02) |
| March 13, 2026 | NTRA | S 10b5-1 | 122 | $191.38 | $23,348 | 5,752 Direct | -2.08% | Disposed | 114.4% (price as of 2026-10-02) |
| Jan. 30, 2026 | NTRA | A | 97 | · | · | 5,874 Direct | +1.68% | Acquired | (price as of 2026-10-02) |
| Dec. 5, 2025 | NTRA | M | 4,000 | $32.15 | $128,600 | 10,143 Direct | +65.11% | Acquired | 1176.4% (price as of 2026-10-02) |
| Dec. 5, 2025 | NTRA | S | 4,000 | $243.08 | $972,320 | 6,143 Direct | -39.44% | Disposed | 68.8% (price as of 2026-10-02) |
| Dec. 5, 2025 | NTRA | S | 366 | $243.39 | $89,081 | 5,777 Direct | -5.96% | Disposed | 68.6% (price as of 2026-10-02) |
| Dec. 5, 2025 | NTRA | M | 4,000 | · | · | 7,000 Direct | -36.36% | Disposed | (price as of 2026-10-02) |
| Oct. 31, 2025 | NTRA | A | 128 | · | · | 6,143 Direct | +2.13% | Acquired | (price as of 2026-10-02) |
| Aug. 28, 2025 | NTRA | S | 2,750 | $166.99 | $459,222 | 6,015 Direct | -31.37% | Disposed | 145.7% (price as of 2026-10-02) |
| July 25, 2025 | NTRA | A | 149 | · | · | 8,765 Direct | +1.73% | Acquired | (price as of 2026-10-02) |
| June 27, 2025 | NTRA | A | 2,143 | · | · | 8,345 Direct | +34.55% | Acquired | (price as of 2026-10-02) |
| June 27, 2025 | NTRA | A | 271 | · | · | 8,616 Direct | +3.25% | Acquired | (price as of 2026-10-02) |
| Dec. 10, 2024 | NTRA | S | 1,767 | $170.24 | $300,814 | 6,202 Direct | -22.17% | Disposed | 141.0% (price as of 2026-10-02) |
| Sept. 13, 2024 | NTRA | M | 2,614 | $94.14 | $246,082 | 10,583 Direct | +32.80% | Acquired | 335.9% (price as of 2026-10-02) |
| Sept. 13, 2024 | NTRA | S | 2,614 | $127.68 | $333,756 | 7,969 Direct | -24.70% | Disposed | 221.4% (price as of 2026-10-02) |
| Sept. 13, 2024 | NTRA | M | 2,614 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 28, 2024 | NTRA | A | 2,964 | · | · | 7,969 Direct | +59.22% | Acquired | (price as of 2026-10-02) |
| May 28, 2024 | NTRA | S | 4,856 | $109.09 | $529,741 | 5,005 Direct | -49.24% | Disposed | 276.2% (price as of 2026-10-02) |
| April 26, 2024 | NTRA | A | 488 | · | · | 9,861 Direct | +5.21% | Acquired | (price as of 2026-10-02) |
| Nov. 29, 2023 | NTRA | S | 1,998 | $55.97 | $111,828 | 9,373 Direct | -17.57% | Disposed | 633.2% (price as of 2026-10-02) |
| June 30, 2023 | NTRA | A | 2,750 | · | · | 11,371 Direct | +31.90% | Acquired | (price as of 2026-10-02) |
| June 30, 2023 | NTRA | A | 4,255 | · | · | 4,255 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2023 | NTRA | S | 1,767 | $50.58 | $89,375 | 8,621 Direct | -17.01% | Disposed | 711.3% (price as of 2026-10-02) |
| May 25, 2023 | NTRA | M | 3,534 | · | · | 10,388 Direct | +51.56% | Acquired | (price as of 2026-10-02) |
| May 25, 2023 | NTRA | M | 3,534 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 14, 2022 | NTRA | A | 330 | $45.42 | $14,989 | 6,854 Direct | +5.06% | Acquired | 803.5% (price as of 2026-10-02) |
| July 8, 2022 | NTRA | A | 361 | · | · | 6,524 Direct | +5.86% | Acquired | (price as of 2026-10-02) |
| July 8, 2022 | NTRA | A | 361 | $36.31 | $13,108 | 361 Direct | · | Acquired | 1030.1% (price as of 2026-10-02) |
| May 27, 2022 | NTRA | A | 3,534 | · | · | 3,534 Direct | · | Acquired | (price as of 2026-10-02) |
| May 27, 2022 | NTRA | A | 7,068 | · | · | 7,068 Direct | · | Acquired | (price as of 2026-10-02) |
| May 25, 2022 | NTRA | M | 1,307 | · | · | 6,163 Direct | +26.92% | Acquired | (price as of 2026-10-02) |
| May 25, 2022 | NTRA | M | 1,307 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 17, 2021 | NTRA | M | 5,500 | $32.15 | $176,825 | 10,356 Direct | +113.26% | Acquired | 1176.4% (price as of 2026-10-02) |
| Sept. 17, 2021 | NTRA | S 10b5-1 | 1,000 | $120.08 | $120,080 | 9,356 Direct | -9.66% | Disposed | 241.7% (price as of 2026-10-02) |
| Sept. 17, 2021 | NTRA | S 10b5-1 | 4,500 | $120.93 | $544,185 | 4,856 Direct | -48.10% | Disposed | 239.3% (price as of 2026-10-02) |
| Sept. 17, 2021 | NTRA | M | 5,500 | · | · | 11,000 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Aug. 17, 2021 | NTRA | M | 5,500 | $32.15 | $176,825 | 10,356 Direct | +113.26% | Acquired | 1176.4% (price as of 2026-10-02) |
| Aug. 17, 2021 | NTRA | S 10b5-1 | 5,500 | $100.09 | $550,495 | 4,856 Direct | -53.11% | Disposed | 310.0% (price as of 2026-10-02) |
| Aug. 17, 2021 | NTRA | M | 5,500 | · | · | 16,500 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| July 19, 2021 | NTRA | M | 3,000 | $40.93 | $122,790 | 7,856 Direct | +61.78% | Acquired | 902.6% (price as of 2026-10-02) |
| July 19, 2021 | NTRA | S 10b5-1 | 1,300 | $107.53 | $139,789 | 6,556 Direct | -16.55% | Disposed | 281.6% (price as of 2026-10-02) |
| July 19, 2021 | NTRA | S 10b5-1 | 1,468 | $108.47 | $159,234 | 5,088 Direct | -22.39% | Disposed | 278.3% (price as of 2026-10-02) |
| July 19, 2021 | NTRA | S 10b5-1 | 232 | $111.83 | $25,945 | 4,856 Direct | -4.56% | Disposed | 266.9% (price as of 2026-10-02) |
| July 19, 2021 | NTRA | M | 3,000 | · | · | 2,712 Direct | -52.52% | Disposed | (price as of 2026-10-02) |
| May 28, 2021 | NTRA | M | 2,856 | · | · | 4,856 Direct | +142.80% | Acquired | (price as of 2026-10-02) |
| May 28, 2021 | NTRA | A | 1,307 | · | · | 1,307 Direct | · | Acquired | (price as of 2026-10-02) |
| May 28, 2021 | NTRA | A | 2,614 | · | · | 2,614 Direct | · | Acquired | (price as of 2026-10-02) |
| May 28, 2021 | NTRA | M | 2,856 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 1, 2021 | NTRA | M | 8,000 | $32.15 | $257,200 | 8,000 Direct | · | Acquired | 1176.4% (price as of 2026-10-02) |
| March 1, 2021 | NTRA | S | 6,000 | $122.23 | $733,380 | 2,000 Direct | -75.00% | Disposed | 235.7% (price as of 2026-10-02) |
| March 1, 2021 | NTRA | M | 8,000 | · | · | 22,000 Direct | -26.67% | Disposed | (price as of 2026-10-02) |
| Nov. 12, 2020 | NTRA | M | 3,000 | · | · | 30,000 Direct | -9.09% | Disposed | (price as of 2026-10-02) |
| Nov. 12, 2020 | NTRA | S | 3,000 | $83.48 | $250,440 | 0 Direct | -100.00% | Disposed | 391.6% (price as of 2026-10-02) |
| Nov. 12, 2020 | NTRA | M | 3,000 | $32.15 | $96,450 | 3,000 Direct | · | Acquired | 1176.4% (price as of 2026-10-02) |
| June 12, 2020 | NTRA | A | 5,712 | · | · | 5,712 Direct | · | Acquired | (price as of 2026-10-02) |
| June 12, 2020 | NTRA | A | 2,856 | · | · | 2,856 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 27, 2019 | NTRA | A | 33,000 | · | · | 33,000 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Dec. 5, 2025 | NTRA | Stock Option (right to buy) | Common Stock | $32.15 | Sept. 26, 2029 | 4,000 | Disposed |
| Sept. 13, 2024 | NTRA | Stock Option (right to buy) | Common Stock | $94.14 | May 27, 2031 | 2,614 | Disposed |
| June 30, 2023 | NTRA | Stock Option (right to buy) | Common Stock | $48.66 | June 8, 2033 | 4,255 | Acquired |
| May 25, 2023 | NTRA | Restricted Stock Unit | Common Stock | · | · | 3,534 | Disposed |
| July 8, 2022 | NTRA | Restricted Stock Unit | Common Stock | · | · | 361 | Acquired |
| May 27, 2022 | NTRA | Restricted Stock Unit | Common Stock | · | · | 3,534 | Acquired |
| May 27, 2022 | NTRA | Stock Option (right to buy) | Common Stock | $41.19 | May 25, 2032 | 7,068 | Acquired |
| May 25, 2022 | NTRA | Restricted Stock Unit | Common Stock | · | · | 1,307 | Disposed |
| Sept. 17, 2021 | NTRA | Stock Option (right to buy) | Common Stock | $32.15 | Sept. 26, 2029 | 5,500 | Disposed |
| Aug. 17, 2021 | NTRA | Stock Option (right to buy) | Common Stock | $32.15 | Sept. 26, 2029 | 5,500 | Disposed |
| July 19, 2021 | NTRA | Stock Option (right to buy) | Common Stock | $40.93 | June 11, 2030 | 3,000 | Disposed |
| May 28, 2021 | NTRA | Restricted Stock Unit | Common Stock | · | · | 1,307 | Acquired |
| May 28, 2021 | NTRA | Stock Option (right to buy) | Common Stock | $94.14 | May 27, 2031 | 2,614 | Acquired |
| May 28, 2021 | NTRA | Restricted Stock Unit | Common Stock | · | · | 2,856 | Disposed |
| March 1, 2021 | NTRA | Stock Option (right to buy) | Common Stock | $32.15 | Sept. 26, 2029 | 8,000 | Disposed |
| Nov. 12, 2020 | NTRA | Stock Option (right to buy) | Common Stock | $32.15 | Sept. 26, 2029 | 3,000 | Disposed |
| June 12, 2020 | NTRA | Stock Option (right to buy) | Common Stock | $40.93 | June 11, 2030 | 5,712 | Acquired |
| June 12, 2020 | NTRA | Restricted Stock Units | Common Stock | · | · | 2,856 | Acquired |
| Sept. 27, 2019 | NTRA | Stock Option (right to buy) | Common Stock | $32.15 | Sept. 26, 2029 | 33,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).