Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 2 boards, counting each seat separately. Longest: SenesTech Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
SenesTech Inc. June 9, 202694.7%
-
DexCom Inc. May 27, 202699.3%
-
SenesTech Inc. June 26, 202355.6%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 8, 2026 | DexCom Inc. | Shares withheld for tax | −1,451 | $79.41 | $115,224 |
| Aug 22, 2026 | DexCom Inc. | Shares withheld for tax | −1,451 | $92.34 | $133,985 |
| May 22, 2026 | DexCom Inc. | Shares withheld for tax | −1,451 | $71.90 | $104,327 |
| Mar 8, 2026 | DexCom Inc. | Grant or award | +104,516 | — | — |
| Mar 8, 2026 | DexCom Inc. | Shares withheld for tax | −19,757 | $68.10 | $1,345,452 |
| Jan 29, 2026 | DexCom Inc. | Grant or award | +8,310 | — | — |
| Jan 29, 2026 | DexCom Inc. | Shares withheld for tax | −3,058 | $73.36 | $224,335 |
| Nov 18, 2025 | SenesTech Inc. | Open-market sale | −62 | $2.71 | $168 |
| Nov 10, 2025 | DexCom Inc. | Open-market purchase | +15,700 | $54.98 | $863,186 |
| Nov 10, 2025 | DexCom Inc. | Open-market purchase | +2,500 | $55.43 | $138,575 |
| Mar 12, 2025 | DexCom Inc. | Open-market sale | −14,076 | $70.38 | $990,669 |
| Mar 8, 2025 | DexCom Inc. | Grant or award | +35,906 | — | — |
| Mar 8, 2025 | DexCom Inc. | Grant or award | +22,798 | — | — |
| Jan 29, 2025 | DexCom Inc. | Open-market sale | −2,634 | $86.91 | $228,921 |
| Jan 28, 2025 | DexCom Inc. | Grant or award | +7,107 | — | — |
Questions about Jacob Steven Leach
What boards is Jacob Steven Leach on?
Jacob Steven Leach sits on the boards of DexCom Inc. and SenesTech Inc.
What company is Jacob Steven Leach the CEO of?
Jacob Steven Leach is President, CEO, and Director of DexCom Inc.
How long has Jacob Steven Leach served on boards?
Our records show at least 4 years of board service across 2 boards, the earliest from 2023.
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