Charles H. Giancarlo
CEO at Everpure Inc. · b. 1957
Sits on 3 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 11 years
- Director since
- 2023
11 years of board service in total across 3 boards, counting each seat separately. Longest: Zscaler 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.
-
Everpure Inc. June 11, 202578.7%
-
Arista Networks Inc. May 30, 202565.9%
-
Zscaler Inc. January 10, 202561.1%
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 |
|---|---|---|---|---|---|
| Sep 20, 2026 | Everpure Inc. | Shares withheld for tax | −30,036 | $104.14 | $3,127,949 |
| Sep 10, 2026 | Everpure Inc. | Open-market sale | −41,023 | $94.66 | $3,883,237 |
| Sep 10, 2026 | Everpure Inc. | Open-market sale | −24,372 | $95.63 | $2,330,694 |
| Sep 10, 2026 | Everpure Inc. | Open-market sale | −4,605 | $96.34 | $443,646 |
| Aug 20, 2026 | Arista Networks Inc. | Option exercise | +538 | — | — |
| Aug 10, 2026 | Everpure Inc. | Open-market sale | −700 | $94.63 | $66,241 |
| Aug 10, 2026 | Everpure Inc. | Open-market sale | −600 | $96.01 | $57,606 |
| Aug 10, 2026 | Everpure Inc. | Open-market sale | −1,600 | $97.33 | $155,728 |
| Aug 10, 2026 | Everpure Inc. | Open-market sale | −30,800 | $98.50 | $3,033,800 |
| Aug 10, 2026 | Everpure Inc. | Open-market sale | −30,601 | $99.27 | $3,037,761 |
| Aug 10, 2026 | Everpure Inc. | Open-market sale | −3,600 | $100.41 | $361,476 |
| Aug 10, 2026 | Everpure Inc. | Open-market sale | −1,899 | $101.50 | $192,749 |
| Aug 10, 2026 | Everpure Inc. | Open-market sale | −200 | $101.99 | $20,398 |
| Aug 3, 2026 | Arista Networks Inc. | Open-market sale | −322 | $174.49 | $56,186 |
| Aug 3, 2026 | Arista Networks Inc. | Open-market sale | −817 | $175.46 | $143,351 |
Questions about Charles H. Giancarlo
What boards is Charles H. Giancarlo on?
Charles H. Giancarlo sits on the boards of Arista Networks Inc., Everpure Inc. and Zscaler Inc.
What company is Charles H. Giancarlo the CEO of?
Charles H. Giancarlo is CEO of Everpure Inc.
How long has Charles H. Giancarlo served on boards?
Our records show at least 11 years of board service across 3 boards, the earliest from 2023.
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