GDYN

GRID DYNAMICS HOLDINGS, INC.

NasdaqTechnologyServices-Prepackaged Software

Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 03, 2026Most recent Form 4
Total buying$00 buys
Total selling$3.48M2 sells
Net open-market-$3.48M2 insiders
Open-market mix
Buy vs sell distribution by transaction count
2 transactions
0 buys0%·100%2 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAug 2026 sells: 1 transactions · $351k1AugSep 2026 sells: 1 transactions · $3.13M1Sep

Transaction codes

By Form 4 transaction code in selected period
5transactions
  • F · Tax withholding · dominant3 · 60%
  • S · Open-market sells2 · 40%

Activity by reported role

A joint filing can contribute to multiple roles
5transactions
  • COO · dominant3 · 60%
  • Chief executive officer2 · 40%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (2)
Aug 2026Sep 2026
3distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Gryzlov YuryCommon Stock · Direct
507.5k503.1kAug 14, 2026 · 507,455 shares owned afterAug 18, 2026 · 506,988 shares owned afterSep 03, 2026 · 503,070 shares owned afterAug 14, 2026Sep 03, 2026
503,070Sep 03, 2026
Livschitz LeonardCommon Stock · Indirect · See footnote
11.0k10.8kAug 14, 2026 · 11,008 shares owned afterAug 21, 2026 · 10,834 shares owned afterAug 14, 2026Aug 21, 2026
10,834Aug 21, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
0 active days
Aug 04Sep 04
LessMore

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$3.13M
10b5-1 detected2
Amended rows0

Filing-only signals

Deterministic matches in the selected period

GDYN transaction history

Filters apply within this company and selected period by default
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TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date

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GRID DYNAMICS HOLDINGS, INC. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at GRID DYNAMICS HOLDINGS, INC.?

Gryzlov Yury, Livschitz Leonard.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Gryzlov Yury reported a sale on Sep 03, 2026 valued at $3.13M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $34,860.51. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.