Jacob Steven Leach
CIK: 0001700255
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
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 Payment(F)Direct1.5K shares at avg. $92.34$134K - Jun 15, 2026SNES
SenesTech, Inc.
Award(A)DirectStock Option (right to buy)
100K shares- - May 22, 2026DXCM
DEXCOM INC
Tax Payment(F)Direct1.5K shares at avg. $71.90$104K - Mar 8, 2026DXCM
DEXCOM INC
Award(A)Direct104.5K shares- - Mar 8, 2026DXCM
DEXCOM INC
Tax Payment(F)Direct19.8K shares at avg. $68.10$1.3M - Jan 29, 2026DXCM
DEXCOM INC
Award(A)Direct8.3K shares- - Jan 29, 2026DXCM
DEXCOM INC
Tax Payment(F)Direct3.1K shares at avg. $73.36$224K - Nov 18, 2025SNES
SenesTech, Inc.
Sale(S)Direct62 shares at avg. $2.71$168.02 - Nov 10, 2025DXCM
DEXCOM INC
Purchase(P)Direct15.7K shares at avg. $54.98$863K - Nov 10, 2025DXCM
DEXCOM INC
Purchase(P)Direct2.5K shares at avg. $55.43$139K - Mar 12, 2025DXCM
DEXCOM INC
Sale(S)Direct14.1K shares at avg. $70.38$991K - Mar 8, 2025DXCM
DEXCOM INC
Award(A)Direct22.8K shares- - Mar 8, 2025DXCM
DEXCOM INC
Award(A)Direct35.9K shares- - Jan 29, 2025DXCM
DEXCOM INC
Sale(S)Direct2.6K shares at avg. $86.91$229K - Jan 28, 2025DXCM
DEXCOM INC
Award(A)Direct7.1K shares- - Dec 16, 2024DXCM
DEXCOM INC
Sale(S)Direct744 shares at avg. $76.87$57K - Sep 9, 2024DXCM
DEXCOM INC
Sale(S)Direct746 shares at avg. $69.15$52K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 22, 2026 |  DXCM DEXCOM INC | Tax Payment(F) | 1,451 | $92.34 | $133,985 | Direct |
| Jun 15, 2026 |  SNES SenesTech, Inc. | Award(A) Stock Option (right to buy) | 100,000 | - | - | Direct |
| May 22, 2026 | DXCM DEXCOM INC | Tax Payment(F) | 1,451 | $71.90 | $104,327 | Direct |
| Mar 8, 2026 | DXCM DEXCOM INC | Award(A) | 104,516 | - | $0 | Direct |
| Mar 8, 2026 | DXCM DEXCOM INC | Tax Payment(F) | 19,757 | $68.10 | $1,345,452 | Direct |
| Jan 29, 2026 | DXCM DEXCOM INC | Award(A) | 8,310 | - | $0 | Direct |
| Jan 29, 2026 | DXCM DEXCOM INC | Tax Payment(F) | 3,058 | $73.36 | $224,335 | Direct |
| Nov 18, 2025 | SNES SenesTech, Inc. | Sale(S) | 62 | $2.71 | $168 | Direct |
| Nov 10, 2025 | DXCM DEXCOM INC | Purchase(P) | 15,700 | $54.98 | $863,139 | Direct |
| Nov 10, 2025 | DXCM DEXCOM INC | Purchase(P) | 2,500 | $55.43 | $138,563 | Direct |
| Mar 12, 2025 | DXCM DEXCOM INC | Sale(S) | 14,076 | $70.38 | $990,670 | Direct |
| Mar 8, 2025 | DXCM DEXCOM INC | Award(A) | 22,798 | - | - | Direct |
| Mar 8, 2025 | DXCM DEXCOM INC | Award(A) | 35,906 | - | - | Direct |
| Jan 29, 2025 | DXCM DEXCOM INC | Sale(S) | 2,634 | $86.91 | $228,932 | Direct |
| Jan 28, 2025 | DXCM DEXCOM INC | Award(A) | 7,107 | - | $0 | Direct |
| Dec 16, 2024 | DXCM DEXCOM INC | Sale(S) | 744 | $76.87 | $57,191 | Direct |
| Sep 9, 2024 | DXCM DEXCOM INC | Sale(S) | 746 | $69.15 | $51,586 | Direct |
1-17 of 17 transactions
About Leach Jacob Steven
Leach Jacob Steven (SEC CIK 0001700255) files insider reports with the SEC as President, CEO, and Director of DEXCOM INC (DXCM) and Director of SenesTech, Inc. (SNES).
Signal8 holds 12 ownership filings by Leach Jacob Steven, all Form 4s, filed between Sep 11, 2024 and Aug 25, 2026. Those filings report 17 transactions, from Sep 9, 2024 to Aug 22, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Leach Jacob Steven's filings is in SAN DIEGO, CA.
Recent filings by Leach Jacob Steven
- Aug 22, 2026: Tax withholding of DXCM shares (Form 4, code F).
- Jun 15, 2026: Grant or award of SNES derivative securities (Form 4, code A).
- May 22, 2026: Tax withholding of DXCM shares (Form 4, code F).
- Mar 8, 2026: Grant or award of DXCM shares (Form 4, code A).
- Mar 8, 2026: Tax withholding of DXCM shares (Form 4, code F).
Other insiders filing for DEXCOM INC (DXCM)
- Ashley Euan A., Director
- Stern Sadie, EVP Chief People & Culture Off
- Brown Michael Jon, EVP Chief Legal Compliance Off
- AUGUSTINOS NICHOLAS, Director
- Sylvain Jereme M, EVP, Chief Financal Officer
- Boehnlein Glenn S, Director