Latest filingSep 03, 2026Most recent Form 4
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.
Total buying$00 buys
Total selling$3.48M2 sells
Net open-market-$3.48M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period5transactions
- F · Tax withholding · dominant3 · 60%
- S · Open-market sells2 · 40%
Activity by reported role
A joint filing can contribute to multiple roles5transactions
- COO · dominant3 · 60%
- Chief executive officer2 · 40%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeGryzlov YuryCommon Stock · Direct
503,070Sep 03, 2026
Livschitz LeonardCommon Stock · Indirect · See footnote
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 redAug 04 → Sep 04
LessMore
Top insiders
By absolute net value across the selected period- GY-$39.8k
- LL-$3.3k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
GDYN transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| GDYN | Gryzlov Yury | COO | sale10b5-1 | 3.91k | -$3.13M | S | — | 0.0% | 09/03 | 09/03 |
| GDYN | Livschitz Leonard | CEO | withholding | 174 | -$138k | F | — | −1.1% | 08/24 | 08/21 |
| GDYN | Gryzlov Yury | COO | sale10b5-1 | 467 | -$351k | S | −1.6% | 08/19 | 08/18 | |
| GDYN | Livschitz Leonard | CEO | withholding | 252 | -$192k | F | — | +4.7% | 08/17 | 08/14 |
| GDYN | Gryzlov Yury | COO | withholding | 632 | -$489k | F | +4.7% | 08/17 | 08/14 |
GRID DYNAMICS HOLDINGS, INC. Insider Activity FAQ
SEC Form 4 contextWho 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.