Transaction · 0001628280-26-065478

Gryzlov Yury

Gryzlov Yury, COO, reported an open-market or private sale at GRID DYNAMICS HOLDINGS, INC. involving 4849.000000 shares for an estimated $38792.00. Reported holdings after the transaction were 495290.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCOO
GDYNGRID DYNAMICS HOLDINGS, INC.
Filing timeOct 08
Trade dateOct 08, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded0.97%Shares sold ÷ (holdings after + shares sold). Estimated position before: 500,139 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$8.01
Pre-filing
1mo ago -1.5%1w ago +4.6%1d ago -4.2%
Returns since
7d30d90d180d1y

GDYN price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
GDYN since 2026-10-08Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001628280-26-065478
Common Stock
Transaction date
Oct 08, 2026
Filed Oct 08, 2026, 09:58 PM · 0d delay
Shares
4.84k sh
$8.00 per share
Estimated value
-$38.7k
Computed from shares × price
Holdings after
495k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Sale 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CHIEF OPERATING OFFICER

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2025.

Original filing · 0001628280-26-065478
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

GDYN