InsiderCEO

Charles H Giancarlo Insider Trading Activity

Every SEC Form 4 transaction reported by Charles H Giancarlo, sourced directly from SEC EDGAR and updated as new filings are accepted.

Latest filing:

Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.

Quick Answer

Is Charles H Giancarlo buying or selling?

Charles H Giancarlo reported 1 open-market buys ($2.0M) and 81 sells ($167.5M) across 82 Form 4 filings at 3 companies — a net selling position of $165.5M.

Source: SEC EDGAR Form 4

What stands out

  • Charles H Giancarlo has reported Form 4 transactions at 3 companies; the most active, Arista Networks, Inc. (ANET), accounts for 71 of 82 filings (87%).
  • The most recent Form 4 was accepted on Oct 14, 2026 (4 days ago).
  • In the last 12 months: no open-market purchases and 16 sales ($98.5M).
  • The largest open-market sale in the last 12 months was $50.8M of Everpure, Inc. (P) on May 13, 2026. SEC ↗

Key Statistics (as of Oct 14, 2026)

Total Form 4 filings
82
SEC EDGAR
Companies
3
Buys (1)
$2.0M
Sells (81)
$167.5M

Insider sentiment

Net selling

Net insider flow of $165.5M in net selling, filed between Mar 21, 2018 – Oct 14, 2026.

Companies Charles H Giancarlo files for

#CompanyForm 4 filings
1ANETArista Networks, Inc.71
2PEverpure, Inc.7
3ZSZscaler, Inc.4

Recent Charles H Giancarlo transactions

DateTickerRoleTypeSharesValueFiling
Oct 14, 2026PCEOSale70.0K$10.8MSEC ↗
Sep 14, 2026PCEOSale70.0K$6.7MSEC ↗
Aug 12, 2026PCEOSale70.0K$6.9MSEC ↗
Aug 5, 2026ANETDirectorSale8.0K$1.4MSEC ↗
Jul 13, 2026PCEOSale135.8K$10.9MSEC ↗
Jul 6, 2026ANETDirectorSale8.0K$1.3MSEC ↗
Jul 2, 2026PCEOSale4.2K$336.0KSEC ↗
Jun 3, 2026ANETDirectorSale8.0K$1.4MSEC ↗
May 13, 2026PCEOSale580.0K$50.8MSEC ↗
May 5, 2026ANETDirectorSale8.0K$1.4MSEC ↗
Apr 3, 2026ANETDirectorSale8.0K$1.0MSEC ↗
Mar 5, 2026ANETDirectorSale8.0K$1.0MSEC ↗
Feb 4, 2026ANETDirectorSale8.0K$1.1MSEC ↗
Jan 7, 2026ANETDirectorSale8.0K$1.1MSEC ↗
Dec 4, 2025ANETDirectorSale8.0K$1.0MSEC ↗
Nov 6, 2025ANETDirectorSale8.0K$1.3MSEC ↗
Oct 3, 2025ANETDirectorSale8.0K$1.2MSEC ↗
Sep 23, 2025ANETDirectorSale58.0K$8.6MSEC ↗
Aug 5, 2025ANETDirectorSale8.0K$936.0KSEC ↗
Jul 3, 2025ANETDirectorSale8.0K$794.9KSEC ↗
Jun 11, 2025ZSDirectorSale50.0K$15.2MSEC ↗
Jun 5, 2025ZSDirectorSale17.8K$5.2MSEC ↗
Jun 4, 2025ANETDirectorSale8.0K$705.4KSEC ↗
May 5, 2025ANETDirectorSale8.0K$708.7KSEC ↗
Apr 3, 2025ANETDirectorSale8.0K$620.4KSEC ↗

Showing the 25 most recent filings of 82. Screen every filing.

Charles H Giancarlo insider trading FAQ

Is Charles H Giancarlo buying or selling?

Across 82 SEC Form 4 filings, Charles H Giancarlo reported 1 open-market purchases totaling $2.0M and 81 sales totaling $167.5M — a net selling position of $165.5M.

Which companies does Charles H Giancarlo file Form 4s for?

Charles H Giancarlo has reported insider transactions at 3 companies, most often Arista Networks, Inc. (ANET), Everpure, Inc. (P), Zscaler, Inc. (ZS).

How far back does Charles H Giancarlo's filing history go?

Trabud holds Charles H Giancarlo's SEC Form 4 filings from Mar 21, 2018 – Oct 14, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Charles H Giancarlo's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

Related Content

Track Charles H Giancarlo and every other insider

Screen all SEC Form 4 filings by insider, company, transaction value, and role — or ask Trabud's AI agent in plain English.

Open the screener