Updated Jul 16, 2026
Brown Michael Jon has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.42M.

Michael Jon Brown is the Executive Vice President and Chief Legal Officer at DexCom, Inc., a company specializing in continuous glucose monitoring systems for diabetic patients. He has been involved in various SEC filings related to his role at the company.
| Role | EVP Chief Legal Compliance Off |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-17 | DXCM | DEXCOM INC | S — Open-market sale | 1.7K | $75.55 | $128K |
| 2026-05-27 | DXCM | DEXCOM INC | F — Tax withholding / forfeiture | 1.5K | $71.90 | $104K |
| 2026-05-19 | DXCM | DEXCOM INC | S — Open-market sale | 1.7K | $59.91 | $102K |
| 2026-04-16 | DXCM | DEXCOM INC | S — Open-market sale | 1.7K | $63.04 | $107K |
| 2026-03-18 | DXCM | DEXCOM INC | S — Open-market sale [10b5-1] | 1.7K | $64.85 | $110K |
| 2026-03-10 | DXCM | DEXCOM INC | F — Tax withholding / forfeiture | 23.3K | $68.10 | $1.59M |
| 2026-03-10 | DXCM | DEXCOM INC | A — Grant or award | 39.0K | $0.00 | |
| 2026-02-02 | DXCM | DEXCOM INC | F — Tax withholding / forfeiture | 2.7K | $73.36 | $195K |
| 2026-02-02 | DXCM | DEXCOM INC | A — Grant or award | 7.1K | $0.00 | |
| 2025-08-15 | DXCM | DEXCOM INC | S — Open-market sale | 500 | $80.29 | $40K |
| 2025-07-15 | DXCM | DEXCOM INC | S — Open-market sale | 500 | $86.03 | $43K |
| 2025-06-16 | DXCM | DEXCOM INC | S — Open-market sale | 500 | $82.80 | $41K |
| 2025-05-23 | DXCM | DEXCOM INC | S — Open-market sale | 10.0K | $84.28 | $843K |
Michael Jon Brown is the Executive Vice President and Chief Legal Officer at DexCom, Inc., a company specializing in continuous glucose monitoring systems for diabetic patients. He has been involved in various SEC filings related to his role at the company.…
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 8 open-market sales ($1.42M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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