Blackford Quentin S.
CIK: 0001612451
Director
Primary company: DEXCOM INC (DXCM)
Blackford Quentin S. is a corporate insider at DEXCOM INC (DXCM) filing SEC Form 4 transactions. 178 transactions across 6 companies, totaling $1,689,589 in purchases and $54,298,262 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Award | 1,376 | - | - | 1,376 | 8/27/2026 Filed: 8/27/2026 | Filing → | |
| Sale | 26,859 | $124.65 | $3.35M | 226,008 | 8/10/2026 Filed: 8/7/2026 | Filing → | |
| Award | 48,534 | - | - | 252,867 | 8/7/2026 Filed: 8/7/2026 | Filing → | |
| Award | 32,012 | - | - | 600,381 | 6/10/2026 Filed: 6/10/2026 | Filing → | |
| Sale | 5,423 | $128.44 | $697K | 204,155 | 3/2/2026 Filed: 3/2/2026 | Filing → | |
| Sale | 4,043 | $128.44 | $519K | 209,578 | 3/2/2026 Filed: 3/2/2026 | Filing → | |
| Sale | 4,347 | $128.44 | $558K | 213,621 | 3/2/2026 Filed: 3/2/2026 | Filing → | |
| Sale | 25,540 | $135.42 | $3.46M | 186,126 | 2/25/2026 Filed: 2/24/2026 | Filing → | |
| Award | 46,687 | - | - | 211,666 | 2/24/2026 Filed: 2/24/2026 | Filing → | |
| Sale | 14,059 | $182.94 | $2.57M | 164,979 | 11/3/2025 Filed: 11/4/2025 | Filing → | |
| Sale | 306 | $165.00 | $50K | 179,038 | 8/5/2025 Filed: 8/6/2025 | Filing → | |
| Sale | 3,174 | $163.93 | $520K | 179,344 | 8/5/2025 Filed: 8/6/2025 | Filing → | |
| Sale | 1,514 | $163.30 | $247K | 182,518 | 8/5/2025 Filed: 8/6/2025 | Filing → | |
| Sale | 1,600 | $161.92 | $259K | 184,032 | 8/5/2025 Filed: 8/6/2025 | Filing → | |
| Sale | 4,905 | $160.73 | $788K | 185,632 | 8/5/2025 Filed: 8/6/2025 | Filing → | |
| Sale | 9,775 | $160.06 | $1.56M | 190,537 | 8/5/2025 Filed: 8/6/2025 | Filing → | |
| Sale | 8,726 | $158.85 | $1.39M | 200,312 | 8/5/2025 Filed: 8/6/2025 | Filing → | |
| Award | 15,131 | - | - | 568,369 | 6/11/2025 Filed: 6/13/2025 | Filing → | |
| Award | 297 | $71.46 | $21K | 209,038 | 5/30/2025 Filed: 6/3/2025 | Filing → | |
| Gift | 21,000 | - | - | 553,238 | 5/5/2025 Filed: 5/6/2025 | Filing → |
Type
Award
Shares
1,376
Price
-
Value
-
Type
Sale
Shares
26,859
Price
$124.65
Value
$3.35M
Type
Award
Shares
48,534
Price
-
Value
-
Type
Award
Shares
32,012
Price
-
Value
-
Type
Sale
Shares
5,423
Price
$128.44
Value
$697K
Type
Sale
Shares
4,043
Price
$128.44
Value
$519K
Type
Sale
Shares
4,347
Price
$128.44
Value
$558K
Type
Sale
Shares
25,540
Price
$135.42
Value
$3.46M
Type
Award
Shares
46,687
Price
-
Value
-
Type
Sale
Shares
14,059
Price
$182.94
Value
$2.57M
Type
Sale
Shares
306
Price
$165.00
Value
$50K
Type
Sale
Shares
3,174
Price
$163.93
Value
$520K
Type
Sale
Shares
1,514
Price
$163.30
Value
$247K
Type
Sale
Shares
1,600
Price
$161.92
Value
$259K
Type
Sale
Shares
4,905
Price
$160.73
Value
$788K
Type
Sale
Shares
9,775
Price
$160.06
Value
$1.56M
Type
Sale
Shares
8,726
Price
$158.85
Value
$1.39M
Type
Award
Shares
15,131
Price
-
Value
-
Type
Award
Shares
297
Price
$71.46
Value
$21K
Type
Gift
Shares
21,000
Price
-
Value
-
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