On this page
Michael Jon Brown
Insider
First SEC filing: June 17, 2026 · Latest: June 17, 2026
Insider at
Insider transactions
0 buys (P)
7 sells (S)
Net: $-873,358
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 15, 2026 | DXCM | S 10b5-1 | 1,700 | $84.04 | $142,868 | 99,885 Direct | -1.67% | Disposed | 1.6% (price as of 2026-10-02) |
| Aug. 22, 2026 | DXCM | F | 1,451 | $92.34 | $133,985 | 101,502 Direct | -1.41% | Disposed | -7.6% (price as of 2026-10-02) |
| Aug. 14, 2026 | DXCM | S 10b5-1 | 1,700 | $91.93 | $156,281 | 102,953 Direct | -1.62% | Disposed | -7.1% (price as of 2026-10-02) |
| July 15, 2026 | DXCM | S 10b5-1 | 1,700 | $74.42 | $126,514 | 104,653 Direct | -1.60% | Disposed | 14.7% (price as of 2026-10-02) |
| June 15, 2026 | DXCM | S 10b5-1 | 1,700 | $75.55 | $128,435 | 106,353 Direct | -1.57% | Disposed | 13.0% (price as of 2026-10-02) |
| May 22, 2026 | DXCM | F | 1,451 | $71.90 | $104,327 | 108,053 Direct | -1.33% | Disposed | 18.7% (price as of 2026-10-02) |
| May 15, 2026 | DXCM | S 10b5-1 | 1,700 | $59.91 | $101,847 | 109,504 Direct | -1.53% | Disposed | 42.5% (price as of 2026-10-02) |
| April 15, 2026 | DXCM | S 10b5-1 | 1,700 | $63.04 | $107,168 | 111,204 Direct | -1.51% | Disposed | 35.4% (price as of 2026-10-02) |
| March 16, 2026 | DXCM | S 10b5-1 | 1,700 | $64.85 | $110,245 | 112,904 Direct | -1.48% | Disposed | 31.6% (price as of 2026-10-02) |
| March 8, 2026 | DXCM | F | 23,325 | $68.10 | $1,588,432 | 114,604 Direct | -16.91% | Disposed | 25.3% (price as of 2026-10-02) |
| March 8, 2026 | DXCM | A | 39,019 | · | · | 137,929 Direct | +39.45% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2026 | DXCM | F | 2,653 | $73.36 | $194,624 | 98,655 Direct | -2.62% | Disposed | 16.4% (price as of 2026-10-02) |
| Jan. 29, 2026 | DXCM | A | 7,123 | · | · | 101,308 Direct | +7.56% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2025 | DXCM | S 10b5-1 | 500 | $80.29 | $40,145 | 94,102 Direct | -0.53% | Disposed | 6.3% (price as of 2026-10-02) |
| July 15, 2025 | DXCM | S 10b5-1 | 500 | $86.03 | $43,015 | 94,602 Direct | -0.53% | Disposed | -0.8% (price as of 2026-10-02) |
| June 16, 2025 | DXCM | S 10b5-1 | 500 | $82.80 | $41,400 | 95,102 Direct | -0.52% | Disposed | 3.1% (price as of 2026-10-02) |
| May 23, 2025 | DXCM | S 10b5-1 | 10,000 | $84.28 | $842,800 | 95,602 Direct | -9.47% | Disposed | 1.3% (price as of 2026-10-02) |
| March 12, 2025 | DXCM | S | 13,000 | $70.38 | $914,940 | 105,602 Direct | -10.96% | Disposed | 21.3% (price as of 2026-10-02) |
| March 8, 2025 | DXCM | A | 22,798 | · | · | 118,602 Direct | +23.80% | Acquired | (price as of 2026-10-02) |
| March 8, 2025 | DXCM | A | 29,922 | · | · | 95,804 Direct | +45.42% | Acquired | (price as of 2026-10-02) |
| Aug. 30, 2024 | DXCM | S 10b5-1 | 686 | $70.00 | $48,020 | 65,636 Direct | -1.03% | Disposed | 21.9% (price as of 2026-10-02) |
| July 31, 2024 | DXCM | S 10b5-1 | 652 | $69.55 | $45,347 | 66,249 Direct | -0.97% | Disposed | 22.7% (price as of 2026-10-02) |
| June 28, 2024 | DXCM | S 10b5-1 | 659 | $114.29 | $75,317 | 66,901 Direct | -0.98% | Disposed | -25.3% (price as of 2026-10-02) |
| May 31, 2024 | DXCM | S 10b5-1 | 652 | $119.24 | $77,744 | 67,560 Direct | -0.96% | Disposed | -28.4% (price as of 2026-10-02) |
| April 30, 2024 | DXCM | S 10b5-1 | 629 | $126.25 | $79,411 | 68,212 Direct | -0.91% | Disposed | -32.4% (price as of 2026-10-02) |
| March 28, 2024 | DXCM | S 10b5-1 | 100 | $140.73 | $14,073 | 68,682 Direct | -0.15% | Disposed | -39.3% (price as of 2026-10-02) |
| March 28, 2024 | DXCM | S 10b5-1 | 2,524 | $140.02 | $353,410 | 68,782 Direct | -3.54% | Disposed | -39.0% (price as of 2026-10-02) |
| March 12, 2024 | DXCM | S | 8,799 | $134.41 | $1,182,674 | 71,306 Direct | -10.98% | Disposed | -36.5% (price as of 2026-10-02) |
| March 8, 2024 | DXCM | A | 21,711 | · | · | 80,105 Direct | +37.18% | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2023 | DXCM | S 10b5-1 | 1,170 | $115.42 | $135,041 | 58,394 Direct | -1.96% | Disposed | -26.0% (price as of 2026-10-02) |
| Dec. 1, 2023 | DXCM | S 10b5-1 | 1,542 | $114.43 | $176,451 | 59,564 Direct | -2.52% | Disposed | -25.4% (price as of 2026-10-02) |
| Dec. 1, 2023 | DXCM | S 10b5-1 | 900 | $113.64 | $102,276 | 61,106 Direct | -1.45% | Disposed | -24.9% (price as of 2026-10-02) |
| April 3, 2023 | DXCM | S 10b5-1 | 253 | $116.03 | $29,356 | 61,870 Direct | -0.41% | Disposed | -26.4% (price as of 2026-10-02) |
| April 3, 2023 | DXCM | S 10b5-1 | 950 | $115.08 | $109,326 | 62,123 Direct | -1.51% | Disposed | -25.8% (price as of 2026-10-02) |
| April 3, 2023 | DXCM | S 10b5-1 | 2,409 | $114.07 | $274,795 | 63,073 Direct | -3.68% | Disposed | -25.2% (price as of 2026-10-02) |
| March 10, 2023 | DXCM | D | 4,812 | $111.40 | $536,057 | 65,482 Direct | -6.85% | Disposed | -23.4% (price as of 2026-10-02) |
| March 8, 2023 | DXCM | A | 21,769 | · | · | 70,294 Direct | +44.86% | Acquired | (price as of 2026-10-02) |
| March 8, 2022 | DXCM | A | 12,038 | · | · | 12,038 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.