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sellWeak cluster of 310b5-1 plan

Yury Gryzlov sold $25k of GDYN

CHIEF OPERATING OFFICER at GRID DYNAMICS HOLDINGS, INC.. 2,000 shares at an average of $12.33, traded Jul 8, 2025, filed Jul 10, 2025.

Warning score
15
Value
$25k
2,000 shares
Holdings after
467,779
-0% from before
From 52-week low
+7%
low $11.48, close $12.24
From 52-week high
-49%
high $24.05, as of Jul 8, 2025

Score components

  • Role
    COO
    +20
  • Trade size
    $25k at market
    0
  • Share of holdings sold
    Sold 0.4% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -33.1%, 3m -28.0%, 6m -14.1%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

GDYNOct 12, 2026 · close 7.84
Since filing Jul 10, 2025: -31.7%SPY +26.0% · excess -57.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000899140-25-000830, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 8, 2025SOpen-market sale
Common Stock10b5-1
-2,000$12.33$25k467,779Jul 10, 2025

Related signals

Other insiders at GRID DYNAMICS HOLDINGS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 15, 2026
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$39k
4,849 shares
-1%
0Weak
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$11k
1,245 shares
-0%
5Weak
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$31k
3,918 shares
-1%
0Weak
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$3,517
467 shares
-0%
5Weak
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$31k
3,930 shares
-1%
0Weak
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$7,831
1,245 shares
-0%
6Weak
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$35k
4,435 shares
-1%
0Weak
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$3,012
467 shares
-0%
0Weak
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$6,897
1,245 shares
-0%
11Weak
GDYNsell10b5-1
GRID DYNAMICS HOLDINGS, INC.
Yury Gryzlov
CHIEF OPERATING OFFICER
$132k
21,266 shares
-4%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Yury Gryzlov sold $25k of GDYN | InsiderTell