DXCM insider transaction filings
DEXCOM INC — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-16. Screen DXCM transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 17 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 15 legs across 11 filings by 7 insiders — 104,672 shares, $8,431,700 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 6.
- Largest priced transaction: sale of 26,756 shares @ $76.32 ($2,041,999) by SAYER KEVIN R, filed 2026-07-21.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| SAYER KEVIN R — Executive Chair, Director | 3 | — | 5 legs · 80,268 sh · $6,376,673 | — |
| AUGUSTINOS NICHOLAS — Director | 2 | — | 2 legs · 8,089 sh · $679,769 | 1 |
| Brown Michael Jon — EVP Chief Legal Compliance Off | 4 | — | 3 legs · 5,100 sh · $425,663 | 1 |
| FOLETTA MARK G — Director | 1 | — | 2 legs · 4,000 sh · $330,640 | — |
| Sylvain Jereme M — EVP, Chief Financal Officer | 2 | — | 1 leg · 3,638 sh · $302,936 | 1 |
| Stern Sadie — EVP Chief People & Culture Off | 2 | — | 1 leg · 2,565 sh · $226,669 | 1 |
| Heller Bridgette P — Director | 1 | — | 1 leg · 1,012 sh · $89,349 | — |
| Boehnlein Glenn S — Director | 1 | — | — | 1 |
| Leach Jacob Steven — President, CEO, and Director, Director | 1 | — | — | 1 |
Recent Form 4 filings — DEXCOM INC
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Brown Michael Jon — EVP Chief Legal Compliance Off | Sale (S): 1,700 @ $84.04 | EDGAR |
| 2026-09-16 | 4 | AUGUSTINOS NICHOLAS — Director | Sale (S): 1,550 @ $84.02 · Sale (S): 6,539 @ $84.04 | EDGAR |
| 2026-09-14 | 4 | Sylvain Jereme M — EVP, Chief Financal Officer | Sale (S): 3,638 @ $83.27 | EDGAR |
| 2026-09-10 | 4 | Boehnlein Glenn S — Director | Grant/award (A): 5,841 @ $0 | EDGAR |
| 2026-08-28 | 4 | Stern Sadie — EVP Chief People & Culture Off | Sale (S): 2,565 @ $88.37 | EDGAR |
| 2026-08-25 | 4 | Stern Sadie — EVP Chief People & Culture Off | Tax withholding (F): 1,451 @ $92.34 | EDGAR |
| 2026-08-25 | 4 | Brown Michael Jon — EVP Chief Legal Compliance Off | Tax withholding (F): 1,451 @ $92.34 | EDGAR |
| 2026-08-25 | 4 | Sylvain Jereme M — EVP, Chief Financal Officer | Tax withholding (F): 1,451 @ $92.34 | EDGAR |
| 2026-08-25 | 4 | Leach Jacob Steven — President, CEO, and Director, Director | Tax withholding (F): 1,451 @ $92.34 | EDGAR |
| 2026-08-24 | 4 | SAYER KEVIN R — Executive Chair, Director | Sale (S): 19,308 @ $89.71 · Sale (S): 7,351 @ $90.78 · Sale (S): 97 @ $91.41 | EDGAR |
| 2026-08-17 | 4 | Brown Michael Jon — EVP Chief Legal Compliance Off | Sale (S): 1,700 @ $91.93 | EDGAR |
| 2026-08-13 | 4 | AUGUSTINOS NICHOLAS — Director | Gift (G): 1,075 @ $0 | EDGAR |
| 2026-08-13 | 4 | Heller Bridgette P — Director | Sale (S): 1,012 @ $88.29 | EDGAR |
| 2026-08-04 | 4 | FOLETTA MARK G — Director | Sale (S): 2,000 @ $80 · Sale (S): 2,000 @ $85.32 | EDGAR |
| 2026-07-21 | 4 | SAYER KEVIN R — Executive Chair, Director | Sale (S): 26,756 @ $76.32 | EDGAR |
| 2026-07-16 | 4 | Brown Michael Jon — EVP Chief Legal Compliance Off | Sale (S): 1,700 @ $74.42 | EDGAR |
| 2026-07-07 | 4 | SAYER KEVIN R — Executive Chair, Director | Sale (S): 26,756 @ $72 | EDGAR |
| 2026-06-17 | 4 | Brown Michael Jon — EVP Chief Legal Compliance Off | Sale (S): 1,700 @ $75.55 | EDGAR |
| 2026-06-17 | 4 | FOLETTA MARK G — Director | Sale (S): 3,801 @ $74.10 · Sale (S): 199 @ $74.82 | EDGAR |
| 2026-06-05 | 4 | Coleman Jon — EVP, Chief Commercial Officer | Sale (S): 4,912 @ $73 · Sale (S): 4,911 @ $74.13 | EDGAR |
| 2026-06-01 | 4 | ALTMAN STEVEN R — Director | Grant/award (A): 5,565 @ $0 | EDGAR |
| 2026-06-01 | 4 | Malady Kyle — Director | Grant/award (A): 5,575 @ $0 | EDGAR |
| 2026-06-01 | 4 | AUGUSTINOS NICHOLAS — Director | Grant/award (A): 5,575 @ $0 | EDGAR |
| 2026-06-01 | 4 | FOLETTA MARK G — Director | Grant/award (A): 6,331 @ $0 | EDGAR |
| 2026-06-01 | 4 | Heller Bridgette P — Director | Grant/award (A): 5,575 @ $0 | EDGAR |
| 2026-06-01 | 4 | Osterloh Albert Frederick IV — Director | Grant/award (A): 1,630 @ $0 | EDGAR |
| 2026-06-01 | 4 | Driscoll Rimma — Director | Grant/award (A): 5,605 @ $0 | EDGAR |
| 2026-06-01 | 4 | Ashley Euan A. — Director | Grant/award (A): 5,565 @ $0 | EDGAR |
| 2026-06-01 | 4 | Collins Richard Alexander — Director | Grant/award (A): 5,605 @ $0 | EDGAR |
| 2026-06-01 | 4 | GALA RENEE D — Director | Grant/award (A): 5,605 @ $0 | EDGAR |
| 2026-05-27 | 4 | Leach Jacob Steven — President, CEO, and Director, Director | Tax withholding (F): 1,451 @ $71.90 | EDGAR |
| 2026-05-27 | 4 | Brown Michael Jon — EVP Chief Legal Compliance Off | Tax withholding (F): 1,451 @ $71.90 | EDGAR |
| 2026-05-27 | 4 | Sylvain Jereme M — EVP, Chief Financal Officer | Tax withholding (F): 1,451 @ $71.90 | EDGAR |
| 2026-05-27 | 4 | Stern Sadie — EVP Chief People & Culture Off | Tax withholding (F): 1,451 @ $71.90 | EDGAR |
| 2026-05-27 | 4 | Coleman Jon — EVP, Chief Commercial Officer | Tax withholding (F): 7,362 @ $71.90 | EDGAR |
| 2026-05-26 | 4 | SAYER KEVIN R — Executive Chair, Director | Sale (S): 26,759 @ $72 | EDGAR |
| 2026-05-19 | 4 | Brown Michael Jon — EVP, Chief Legal Officer | Sale (S): 1,700 @ $59.91 | EDGAR |
| 2026-05-14 | 4 | Heller Bridgette P — Director | Sale (S): 1,012 @ $60.01 | EDGAR |
| 2026-05-11 | 4 | AUGUSTINOS NICHOLAS — Director | Gift (G): 5,046 @ $0 · Gift (G): 5,046 @ $0 | EDGAR |
| 2026-05-11 | 4 | Collins Richard Alexander — Director | Gift (G): 5,074 @ $0 · Gift (G): 5,074 @ $0 | EDGAR |
| 2026-05-11 | 4 | FOLETTA MARK G — Director | Gift (G): 5,731 @ $0 · Gift (G): 5,731 @ $0 | EDGAR |
| 2026-05-11 | 4 | ALTMAN STEVEN R — Director | Gift (G): 5,037 @ $0 · Gift (G): 5,037 @ $0 | EDGAR |
| 2026-04-16 | 4 | Brown Michael Jon — EVP, Chief Legal Officer | Sale (S): 1,700 @ $63.04 | EDGAR |
| 2026-03-18 | 4 | Brown Michael Jon — EVP, Chief Legal Officer | Sale (S): 1,700 @ $64.85 | EDGAR |
| 2026-03-10 | 4 | SAYER KEVIN R — Executive Chair, Director | Grant/award (A): 32,749 @ $0 · Tax withholding (F): 32,498 @ $68.10 | EDGAR |
| 2026-03-10 | 4 | Sylvain Jereme M — EVP, Chief Financal Officer | Grant/award (A): 48,774 @ $0 · Tax withholding (F): 18,950 @ $68.10 | EDGAR |
| 2026-03-10 | 4 | Brown Michael Jon — EVP, Chief Legal Officer | Grant/award (A): 39,019 @ $0 · Tax withholding (F): 23,325 @ $68.10 | EDGAR |
| 2026-03-10 | 4 | Stern Sadie — EVP, Chief HR Officer | Grant/award (A): 39,019 @ $0 · Tax withholding (F): 17,199 @ $68.10 | EDGAR |
| 2026-03-10 | 4 | Leach Jacob Steven — President, CEO, and Director, Director | Grant/award (A): 104,516 @ $0 · Tax withholding (F): 19,757 @ $68.10 | EDGAR |
| 2026-03-10 | 4 | Coleman Jon — EVP, Chief Commercial Officer | Grant/award (A): 43,897 @ $0 | EDGAR |
Recent 8-K events — DEXCOM INC
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-14 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-09-10 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-30 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-28 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-15 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events | EDGAR |
| 2026-04-30 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-02 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-26 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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