CIK 0001743725 · Accelerated filer
GRID DYNAMICS HOLDINGS, INC.
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- GDYN
- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 830632724
- Phone
- (650) 523-5000
- Business address
- 6101 BOLLINGER CANYON ROAD, SUITE 465, SAN RAMON, CA, 94583
- Former names
- ChaSerg Technology Acquisition Corp
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $2,738,308
- in 14 filings, $967K under 10b5-1 plans
Net −$2,738,308. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-10-01 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −35,968 | $8.38 | $301K | 3,319,560 |
| 2026-09-03 | Gryzlov Yury CHIEF OPERATING OFFICER | Sale 10b5-1 | −3,918 | $8.00 | $31K | 503,070 |
| 2026-08-21 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −174 | $7.96 | $1K | 10,834 |
| 2026-08-18 | Gryzlov Yury CHIEF OPERATING OFFICER | Sale 10b5-1 | −467 | $7.53 | $4K | 506,988 |
| 2026-08-14 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −252 | $7.65 | $2K | 11,008 |
| 2026-08-14 | Gryzlov Yury CHIEF OPERATING OFFICER | Shares withheld for taxes | −632 | $7.75 | $5K | 507,455 |
| 2026-08-13 | Gryzlov Yury CHIEF OPERATING OFFICER | Sale 10b5-1 | −3,930 | $8.00 | $31K | 508,087 |
| 2026-08-07 | Zhang Shuo Director | Gift | −5,134 | 104,772 | ||
| 2026-07-28 | Doradla Anil CHIEF FINANCIAL OFFICER | Shares withheld for taxes | −667 | $6.14 | $4K | 397,358 |
| 2026-07-02 | Gryzlov Yury CHIEF OPERATING OFFICER | Sale 10b5-1 | −1,245 | $6.29 | $8K | 512,017 |
| 2026-07-02 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −35,968 | $6.24 | $224K | 3,355,528 |
| 2026-07-01 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −35,968 | $6.24 | $224K | 3,355,528 |
| 2026-07-01 | Gryzlov Yury CHIEF OPERATING OFFICER | Shares withheld for taxes | −1,686 | $6.24 | $11K | 513,262 |
| 2026-07-01 | Doradla Anil CHIEF FINANCIAL OFFICER | Shares withheld for taxes | −2,118 | $6.24 | $13K | 398,025 |
| 2026-06-01 | Gryzlov Yury CHIEF OPERATING OFFICER | Sale 10b5-1 | −4,435 | $8.00 | $35K | 514,948 |
| 2026-05-22 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −162 | $7.08 | $1K | 11,260 |
| 2026-05-15 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −236 | $6.45 | $2K | 11,422 |
| 2026-05-15 | Gryzlov Yury CHIEF OPERATING OFFICER | Sale 10b5-1 | −467 | $6.45 | $3K | 519,383 |
| 2026-05-14 | Gryzlov Yury CHIEF OPERATING OFFICER | Shares withheld for taxes | −632 | $6.47 | $4K | 519,850 |
| 2026-04-28 | Doradla Anil CHIEF FINANCIAL OFFICER | Shares withheld for taxes | −702 | $5.60 | $4K | 400,143 |
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