Leach Jacob Steven
SEC insider (Form 3/4/5 filer). CIK 0001700255. President, CEO, and Director at DEXCOM INC (DXCM) and 1 other issuer. 17 reported Form 4/5 transactions since Sep 2024; latest on Aug 22, 2026. Located in SAN DIEGO, CA.
Companies Leach Jacob Steven has filed insider reports for
- DEXCOM INC (DXCM): Director, Officer, President, CEO, and Director
- SenesTech, Inc. (SNES): Director
Leach Jacob Steven
CIK: 0001700255
Transaction Breakdown
Open Market Buys (P)2 (11.8%)
High conviction signal
Open Market Sales (S)5 (29.4%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)6 (35.3%)
Compensation grants
Other (G, F, J, C, D, …)4 (23.5%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (17 total)
- Aug 22, 2026DXCM
DEXCOM INC
Tax PaymentDirect1.5K shares at avg. $92.34$134K - Jun 15, 2026SNES
SenesTech, Inc.
AwardDirectStock Option (right to buy)
100K shares- - May 22, 2026DXCM
DEXCOM INC
Tax PaymentDirect1.5K shares at avg. $71.90$104K - Mar 8, 2026DXCM
DEXCOM INC
AwardDirect104.5K shares- - Mar 8, 2026DXCM
DEXCOM INC
Tax PaymentDirect19.8K shares at avg. $68.10$1.3M - Jan 29, 2026DXCM
DEXCOM INC
AwardDirect8.3K shares- - Jan 29, 2026DXCM
DEXCOM INC
Tax PaymentDirect3.1K shares at avg. $73.36$224K - Nov 18, 2025SNES
SenesTech, Inc.
SaleDirect62 shares at avg. $2.71$168.02 - Nov 10, 2025DXCM
DEXCOM INC
PurchaseDirect15.7K shares at avg. $54.98$863K - Nov 10, 2025DXCM
DEXCOM INC
PurchaseDirect2.5K shares at avg. $55.43$139K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 22, 2026 |  DXCM DEXCOM INC | Tax Payment | 1,451 | $92.34 | $133,985 | Direct |
| Jun 15, 2026 |  SNES SenesTech, Inc. | Award Stock Option (right to buy) | 100,000 | - | - | Direct |
| May 22, 2026 | DXCM DEXCOM INC | Tax Payment | 1,451 | $71.90 | $104,327 | Direct |
| Mar 8, 2026 | DXCM DEXCOM INC | Award | 104,516 | - | $0 | Direct |
| Mar 8, 2026 | DXCM DEXCOM INC | Tax Payment | 19,757 | $68.10 | $1,345,452 | Direct |
| Jan 29, 2026 | DXCM DEXCOM INC | Award | 8,310 | - | $0 | Direct |
| Jan 29, 2026 | DXCM DEXCOM INC | Tax Payment | 3,058 | $73.36 | $224,335 | Direct |
| Nov 18, 2025 | SNES SenesTech, Inc. | Sale | 62 | $2.71 | $168 | Direct |
| Nov 10, 2025 | DXCM DEXCOM INC | Purchase | 15,700 | $54.98 | $863,139 | Direct |
| Nov 10, 2025 | DXCM DEXCOM INC | Purchase | 2,500 | $55.43 | $138,563 | Direct |
1-10 of 17 transactions