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Charles H Giancarlo

CEO

Director Officer

Latest: Everpure, Inc. CEO selling · May 2026

14 filings analyzed · 3 companies · Latest 2026-07-13

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Companies

Company Buys Sells Direction
Everpure, Inc. P 0 2 Net selling
Arista Networks, Inc. ANET 0 11 Net selling
Zscaler, Inc. ZS 0 1 Net selling

Activity

July 2026
2026-07-13 Everpure, Inc. P 10b5-1 Plan
medium
Sell
135,800 shares
$10,915,063
Significance 6/10

Everpure CEO Charles H Giancarlo sells 135,800 shares for $10,915,063.30 via scheduled 10b5-1 plan; stock down 19.8% from 52-week high at $75.36.

Charles H Giancarlo, CEO of Everpure, Inc., executed 4 separate sales totaling 135,800 shares for $10,915,063.30 over 2026-07-09 to 2026-07-10, reducing his holdings from 1,815,397 to 1,679,597 shares. This transaction was completed under a pre-arranged 10b5-1 trading plan adopted on 2025-09-26, making it scheduled rather than discretionary. The blended average sale price was $80.38, while the current stock price of $75.36 is 19.8% below the 52-week high of $93.92. His prior trades at Everpure show consistently negative 30-day returns (ranging from -20.3% to -27.2%), establishing a pattern of post-sale price declines at this specific ticker; however, the current filing's 10b5-1 structure removes any inference about discretionary timing. With a P/E of 110.82 and annual revenue growth of +15.6%, investors should evaluate whether the valuation and scheduled selling pressure create offsetting signals.

2026-07-06 Arista Networks, Inc. ANET 10b5-1 Plan
low
Sell
8,000 shares
$1,336,474
Significance 4/10

Director Giancarlo sells 8,000 shares at avg $167.06 under 10b5-1 plan; retains 192.3K post-transaction

Charles H Giancarlo, a Director at Arista Networks, executed 9 separate sales totaling 8,000 shares for $1,336,473.87 on July 1, 2026, with a blended average price of $167.06. This sale reduces his holdings by 4.0% to 192.3K shares, but is part of a pre-arranged 10b5-1 trading plan, meaning it is scheduled rather than discretionary. The current stock price of $173.28 is 3.6% below the 52-week high of $179.80, and the stock has appreciated 12.3% over the past 30 days and 29.7% over the past 90 days. Giancarlo's prior five trades at ANET (all in June 2026) showed mixed near-term returns ranging from +2.7% to -2.5% at the 30-day mark, with no 90-day outcomes yet measurable. The underlying company reports strong fundamentals: $2.7B revenue, $1.0B net income, 28.6% annual revenue growth, and a $218.2B market cap.

June 2026
2026-06-03 Arista Networks, Inc. ANET 10b5-1 Plan
low
Sell
8,000 shares
$1,352,728
Significance 4/10

Director Charles H Giancarlo sells 8,000 shares at avg $169.09 in 9 transactions via 10b5-1 plan

Charles H Giancarlo, a Director at Arista Networks, executed 9 separate sales totaling 8,000 shares for $1,352,727.67 on 2026-06-01 under a pre-arranged 10b5-1 trading plan, reducing his holdings from 208.3K shares to 200.3K shares. The current stock price is $174.37, which is -3.0% from its 52-week high of $179.80, and ANET has posted 90-day gains of +25.1%. Giancarlo's prior trades at ANET show mixed outcomes: three consecutive April sells yielded 30-day returns between +36.0% and +37.7%, while two March sells showed 30-day declines between -3.9% and -3.1%. Because this transaction is part of a scheduled 10b5-1 plan, it reflects a predetermined trading schedule rather than a discretionary decision made at this point in time.

May 2026
2026-05-13 Everpure, Inc. P 10b5-1 Plan
medium
Sell
580,000 shares
$50,845,327
Significance 6/10

CEO Giancarlo Charles H exercised and sold 580k shares in 11 separate tranches, netting $50.8M disposition versus $8.5M in stock awards.

CEO Giancarlo Charles H executed a substantial portfolio rebalancing on a single trading day: exercising 500,000 shares from equity awards and immediately selling 580,000 shares across 11 separate transactions, generating $50.8M in gross proceeds. The exercise and immediate sales pattern suggests the stock had risen meaningfully from the award grant level, allowing him to liquidate a large block at prices ranging upward. Notably, this is the CEO's first open-market sale activity at Everpure since the company went public (these 11 sales represent his first sale transactions on record at P). The stock currently trades well below its 52-week high despite the company's solid fundamentals—it remains profitable with growing revenue—suggesting the timing may reflect opportunistic liquidation during a period when the stock was relatively elevated. The sheer dollar volume and multi-tranche execution indicate deliberate, methodical liquidation rather than panic selling, and his continued substantial shareholding post-transaction suggests this does not represent a complete exit from the company.

2026-05-05 Arista Networks, Inc. ANET 10b5-1 Plan
low
Sell
8,000 shares
$1,403,202
Significance 3/10

Director Charles Giancarlo sold 8,000 shares of ANET at avg $175.40 for $1.4M; pre-arranged 10b5-1 plan.

Charles H Giancarlo, as Director, executed 5 separate sales totaling 8,000 shares for $1,403,201.61 on 2026-05-01 at prices ranging from $173.39 to $176.89. This transaction is part of a pre-arranged 10b5-1 trading plan, meaning the sales were scheduled and not discretionary. Post-transaction, Giancarlo holds 208,333 shares, a reduction of 3.7% relative to pre-transaction holdings of 216,333 shares. The current stock price of $163.24 is 9.2% below the 52-week high of $179.80 and well below the blended sale price of $175.40. Arista Networks shows strong fundamentals with $2.7B in latest quarterly revenue, $1.0B net income, 28.6% annual revenue growth, and a market cap of $205.6B, though the P/E of 55.34 reflects premium valuation. As a scheduled transaction under 10b5-1, this sale reflects pre-planned portfolio management rather than a reactive decision point.

April 2026
2026-04-03 Arista Networks, Inc. ANET 10b5-1 Plan
low
Sell
8,000 shares
$1,007,603
Significance 4/10

Director Giancarlo sold 8,000 shares at avg $125.95; 216.3K remain. Stock at $126.68, -21.8% from high.

Giancarlo Charles H, a Director at Arista Networks, executed 3 separate sales totaling 8,000 shares for $1,007,603.43 on 2026-04-01, reducing his holdings from 224.3K to 216.3K shares (a -3.6% reduction). The blended average price of $125.95 is slightly below the current price of $126.68, and the stock sits -21.8% from its 52-week high of $162.03, within the 52-week range of $64.37–$162.03. His prior sales at ANET have resulted in negative 30-day returns ranging from -2.4% to -5.0%, though 90-day outcome data is not yet available for measurability. Across his broader cross-ticker trading history, he has 20 prior sells with an average 90-day return of -5.4% and a well-timed rate of 76.92%, indicating a pattern of generally selling before subsequent declines. The transaction occurs at a reasonable valuation with the company posting $2.3B revenue, $853.0M net income, and 28.6% annual revenue growth, though the P/E of 39.59 reflects market expectations embedded in the current price level.

March 2026
2026-03-04 Arista Networks, Inc. ANET 10b5-1 Plan
medium
Sell
8,000 shares
$1,029,372
Significance 4/10

Director Giancarlo sold 8,000 shares ($1.0M) in 3 transactions at ANET, reducing holdings 81.8% via scheduled 10b5-1 plan

Director Giancarlo Charles H executed 3 separate sales totaling 8,000 shares for $1,029,372.15 on 2026-03-02 under a pre-arranged 10b5-1 trading plan, with transaction prices ranging from $127.90 to $129.95. This reduces his post-transaction holdings to 1,784 shares from 9,784 shares pre-transaction, a net reduction of 81.8% of his prior position. Because this transaction is part of a scheduled 10b5-1 plan, it reflects a predetermined execution rather than a discretionary market call. The magnitude of the reduction—divesting over four-fifths of his holdings—is material relative to his prior stake, though the fixed-schedule nature of 10b5-1 plans precludes inferring real-time conviction from timing.

February 2026
2026-02-04 Arista Networks, Inc. ANET 10b5-1 Plan
medium
Sell
8,000 shares
$1,123,469
Significance 6/10

Director Giancarlo Charles H sold 8,000 shares at $138.91–$141.94 on 2026-02-02, reducing position 45.0%, as stock trades -19.6% from 52-week high.

Giancarlo Charles H, Director, executed four separate sales totaling 8,000 shares for $1,123,468.75 on 2026-02-02 at prices ranging from $138.91 to $141.94, reducing his holdings by 45.0% from 17,784 to 9,784 shares. The timing coincides with the stock trading at $130.28, down 19.6% from its 52-week high of $162.03, and follows his prior sales at this ticker on 2026-01-02 and 2025-12-01. His cross-ticker track record shows 20 prior sells with a 90-day well-timed rate of 100.00%, yet his five measurable outcomes at ANET showed positive 30-day returns (2.4%–6.6%), suggesting the stock has risen after his recent ANET sales rather than fallen. The substantial reduction in position size during a near-peak valuation environment (P/E 48.79) warrants attention to whether this represents portfolio rebalancing or a shift in conviction, particularly given the divergence between his favorable cross-ticker timing history and recent same-ticker outcomes.

January 2026
2026-01-06 Arista Networks, Inc. ANET 10b5-1 Plan
low
Sell
8,000 shares
$1,070,291
Significance 3/10

Director Giancarlo Charles H sold 8,000 shares of ANET for $1,070,291.36 via 10b5-1 plan (scheduled)

Director Giancarlo Charles H executed 4 separate sales totaling 8,000 shares for $1,070,291.36 on 2026-01-02 at a blended average price of $133.79, reducing his holdings from 25,784 shares to 17,784 shares (a -31.0% reduction). This transaction is part of a pre-arranged 10b5-1 trading plan, meaning it was scheduled and not discretionary. As a director with a substantial remaining position of 17,784 shares post-transaction, this activity reflects execution of a pre-established trading schedule rather than a discretionary portfolio action. Investors should note that 10b5-1 sales occur independent of near-term market conditions or conviction signals.

December 2025
2025-12-03 Arista Networks, Inc. ANET 10b5-1 Plan
low
Sell
8,000 shares
$1,024,749
Significance 4/10

Director Giancarlo sold 8,000 shares at $126.93–$128.58 for $1,024,748.81 under 10b5-1 plan

Giancarlo Charles H, a Director at Arista Networks, executed 3 separate sales totaling 8,000 shares for $1,024,748.81 on 2025-12-01 at prices ranging from $126.93 to $128.58 (blended average $128.09). This sale reduced his holdings from 33,784 shares to 25,784 shares, a decline of 23.7% vs pre-transaction holdings. The transaction was conducted under a pre-arranged 10b5-1 trading plan, meaning it was scheduled rather than discretionary. As a scheduled disposition under a Rule 10b5-1 arrangement, this sale reflects a prior commitment to a planned liquidation timeline and does not signal recent decision-making by the insider.

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