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EdgarHawk

Vladimir Shmunis

CEO and Chairman

Director Officer

Latest: Chair selling · June 2026

8 filings analyzed · 1 company · Latest 2026-06-17

Companies

Company Buys Sells Direction
RingCentral, Inc. RNG 0 45 Net selling

Activity

June 2026
2026-06-17 RingCentral, Inc. RNG
low
Sell
27,252 shares
$1,046,282
Significance 4/10

RNG CEO Shmunis sells 27,252 shares for $1,046,281.80 via scheduled 10b5-1 plan (2026-06-15/16)

Vladimir Shmunis executed 4 separate sales totaling 27,252 shares for $1,046,281.80 at a blended average price of $38.39 on 2026-06-15 and 2026-06-16, reducing his holdings from 257,323 shares to 230,071 shares. This transaction is part of a pre-arranged 10b5-1 trading plan adopted on 2026-03-13, making it scheduled rather than discretionary. The current stock price of $35.58 is -28.6% from the 52-week high of $49.85 and down -12.5% over the past 30 days. Across his prior RNG trades in February 2026, Shmunis' prior sales resulted in 90-day returns ranging from +10.7% to +23.0%, though such historical patterns do not predict outcomes of scheduled 10b5-1 executions. The company's fundamentals show revenue of $644,199,000.00 and net income of $30,618,000.00 in the latest quarter, with annual revenue growth of +4.8% and a P/E of 15.67.

February 2026
2026-02-24 RingCentral, Inc. RNG
high
Sell
141,115 shares
$5,007,176
Significance 7/10

CEO Shmunis sold 141.1K RNG shares for $5.0M across 8 transactions on 2026-02-23/24, reducing holdings by 52.7%.

Shmunis Vladimir, CEO and Chairman, executed 8 separate sales totaling 141,115 shares for $5,007,176.46 at a blended average price of $35.48, reducing his post-transaction holdings to 126,685 shares from 267,800 shares—a 52.7% reduction in stake. The sales occurred across two trading days at prices ranging from $34.42 to $39.34, with the majority (75,147 shares at $35.41) transacted on 2026-02-24. The stock is trading at $35.19, within 10.9% of its 52-week high of $39.50, and has risen 31.2% over the past 30 days and 26.0% over the past 90 days. Shmulis's same-ticker history shows mixed timing outcomes: 2 of his 5 prior RNG sales were well-timed at the 90-day mark, though his most recent RNG sales (2025-11-24, 2025-11-21, and 2025-11-21) were poorly timed, with the stock advancing 5.7% to 13.4% in the 30 days following. The company posted $638.7M quarterly revenue with 9.0% annual growth but remains unprofitable, trading at a 97.75 P/E multiple despite a full-year net loss.

November 2025
2025-11-24 RingCentral, Inc. RNG
high
Sell
73,862 shares
$2,007,427
Significance 6/10

CEO Shmunis sold 73.9K RNG shares for $2.0M across 3 trades; stock down 34.2% from 52-week high, P/E 76.42, company unprofitable full-year.

Vladimir Shmunis, CEO and Chairman, executed 3 separate sales totaling 73,862 shares for $2,007,426.77 at prices ranging from $26.13 to $27.68, reducing his holdings by 22.0% to 262,240 shares. The sale occurs against a backdrop of significant price weakness: RNG is down 34.2% from its 52-week high of $41.82 and has declined 8.2% over the past 30 days and 9.0% over 90 days. Fundamentally, the company carries a high valuation (P/E 76.42) despite reporting negative full-year net income, though recent quarterly revenue stands at $638.7M with 9.0% annual growth. Within his cross-ticker track record, Shmunis's prior 20 sells showed a 70.00% well-timed rate at the 90-day mark (negative average 90d return of -3.9%), though at RNG specifically, 3 of his 5 prior sells also demonstrated 90-day well-timing. The current sale's timing relative to future price movement will be material to assessing execution quality given the elevated valuation and ongoing operational headwinds.

August 2025
2025-08-22 RingCentral, Inc. RNG
medium
Sell
73,950 shares
$2,184,017
Significance 6/10

RNG CEO Shmunis sold 73,950 shares for $2,184,016.69 across 3 transactions; holds 407,529 post-sale.

Vladimir Shmunis, RNG's CEO and Chairman, executed 3 separate sales totaling 73,950 shares for $2,184,016.69 at an blended average price of $29.53 on 2025-08-21 to 2025-08-22, reducing his holdings by 15.4%. The current stock price of $30.87 is 26.2% below the 52-week high of $41.82, and the stock has rallied 10.5% over the prior 30 days and 19.0% over the prior 90 days following a period of weakness. His prior same-ticker history at RNG shows 2 well-timed sells (negative 90-day returns) out of 5 prior transactions, and his cross-ticker track record reflects a 55.00% well-timed rate on 20 prior sells with an average 90-day return of +0.4%. RNG remains unprofitable on a full-year basis despite recent quarterly revenue of $620,398,000.00 and annual revenue growth of 9.0%, which provides limited fundamental anchors for interpreting the director's disposition.

May 2025
2025-05-22 RingCentral, Inc. RNG
medium
Sell
149,855 shares
$3,973,616
Significance 6/10

RNG CEO Shmunis sells 149,855 shares ($4.0M) across 3 trades; -21.3% of holdings; prior RNG sales 3 of 3 well-timed at 90-day mark.

Shmunis Vladimir filed 3 separate sales on 2025-05-21 and 2025-05-22, totaling 149,855 shares for $3,973,615.74 at an average price of $26.52, reducing his holdings from 702,675 shares to 552,820 shares. His prior trades at RNG show a 3 of 3 well-timed rate at the 90-day mark, with all three measurable sales followed by negative returns (ranging from -7.8% to -9.7% at 90 days). Current price of $26.55 is -36.5% from the 52-week high of $41.82, suggesting the stock has already declined considerably from recent peaks. The company reported $-10.3M net income on $612.1M revenue in the latest quarter, indicating ongoing unprofitability despite 9.0% annual revenue growth. The concentration and timing of these three consecutive sales aligns with the pattern established in his prior five RNG transactions, though whether this represents execution of a pre-planned schedule or discretionary decision-making is not specified in this filing.

February 2025
2025-02-24 RingCentral, Inc. RNG
high
Sell
189,672 shares
$5,434,880
Significance 7/10

RNG CEO Shmunis sells 189,672 shares for $5.4M across 4 transactions; stock down -16.5% in 30 days, -25.1% in 90 days

Vladimir Shmunis, RNG's CEO and Chairman, executed 4 separate sales totaling 189,672 shares for $5,434,880.39 at a blended average price of $28.65 on February 21-24, 2025, reducing his holdings by 29.9% to 444,740 shares. The company is operating at a loss (net income of $-7,853,000.00 for the latest quarter) and the stock is trading -30.8% from its 52-week high. Following his prior 5 RNG-specific sales, the insider's timing has been mixed: 3 of 5 prior sells proved well-timed at the 90-day mark, while 2 were poorly timed. The current sale occurs in a deteriorating price environment, with the stock down -16.5% over 30 days and -25.1% over 90 days from transaction date. The magnitude of the position reduction and the timing within a downtrend warrant monitoring, particularly given the company's unprofitability and the insider's demonstrated ability to execute sales ahead of declines in 60% of his recent RNG transactions.

November 2024
2024-11-22 RingCentral, Inc. RNG
high
Sell
98,464 shares
$3,494,338
Significance 6/10

CEO Vladimir Shmulis sold 98,464 shares (18.0% of holdings) for $3,494,338.28 across three transactions on 2024-11-21 and 2024-11-22

Vladimir Shmulis, RingCentral's CEO and Chairman, executed three separate sales totaling 98,464 shares for $3,494,338.28 at blended average price $35.49. This represents an 18.0% reduction of his pre-transaction holdings (from 545,919 shares to 447,455 shares). The stock has since recovered to $36.91, and the company reported recent quarterly revenue of $608,765,000.00 with a net loss of $-7,853,000.00, indicating ongoing unprofitability despite 10.8% annual revenue growth. His prior transaction timing at RNG has been mixed: of 5 prior trades, only 2 were well-timed at the 90-day mark, and his most recent August 2024 sales showed negative 30-day returns (-8.6% and -8.8%) followed by modest 90-day gains (+5.7% and +6.9%), suggesting inconsistent predictive value. The combination of a substantial portfolio reduction by the CEO during a period of operational losses, coupled with a stock that has advanced 10.3% over 30 days and 9.2% over 90 days, warrants examination of underlying business momentum and cash deployment priorities.

August 2024
2024-08-23 RingCentral, Inc. RNG
high
Sell
94,258 shares
$3,085,351
Significance 6/10

RingCentral CEO Shmunis Vladimir sold 94,258 shares in 3 transactions for $3,085,350.77 on 2024-08-21 to 2024-08-22

CEO Shmunis Vladimir executed 3 separate sales totaling 94,258 shares for $3,085,350.77 over two days (blended average $32.73), reducing his stake by 14.8% from 635,969 to 541,711 shares. The company remains unprofitable (net income $-14.8M on latest quarterly revenue of $592.9M), though annual revenue growth stands at +10.8%. At RingCentral specifically, his prior 5 trades show a 90-day well-timed rate of 80% (4 of 5 prior sells preceded declines), with an average 90-day return of -5.1% after those earlier sales—suggesting he has historically sold ahead of downward pressure at this ticker. The current stock price of $33.81 is +6.3% over 30 days but -2.1% over 90 days and -10.9% from its 52-week high of $37.96, indicating the stock is trading in a relatively volatile range after a recent rebound.

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