Key facts
- Charles H. Giancarlo has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $264,931,122.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Charles H. Giancarlo
- Location
- San Jose, United States
- Summary
- The estimated net worth of Charles H. Giancarlo is at least $264,931,122 dollars as of 22 May 2026. Charles H. Giancarlo is the CEO, Director of Everpure, Inc. and owns shares of Everpure, Inc. (P) stock worth about $178.32M. Charles H. Giancarlo is the Director of Zscaler, Inc. and owns shares of Zscaler, Inc. (ZS) stock worth about $60.83M. Charles H. Giancarlo is the Director of Arista Networks, Inc. and owns shares of Arista Networks, Inc. (ANET) stock worth about $25.78M.
- Signature
- By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Charles Giancarlo
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Charles H. Giancarlo and return when a new Insider Trading filing changes the record on this page.
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Change
- Largest disclosed position: Everpure, Inc. ($178,316,759).
- Past-year value change for that position: .
Research use
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Charles H. Giancarlo
P
Forms 3/4/5
Everpure, Inc.
- Relationship
- CEO, Director
- Holdings value
- $178,316,759
- Past year net change
- Change %
- Report period
- 14 May 2026
ZS
Forms 3/4/5
Zscaler, Inc.
- Relationship
- Director
- Holdings value
- $60,829,838
- Past year net change
- -$20,416,445
- Change %
- -25%
- Report period
- 12 Jan 2026
ANET
Forms 3/4/5
Arista Networks, Inc.
- Relationship
- Director
- Holdings value
- $25,784,525
- Past year net change
- -$20,140,288
- Change %
- -44%
- Report period
- 20 May 2026
Insider Transactions Reported by Charles H. Giancarlo:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.