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 |
|---|---|---|---|---|---|---|
| 2026-11-10 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Sale 10b5-1 | −20,000 | $13.40 | $268K | 3,279,560 |
| 2026-10-30 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Sale 10b5-1 | −10,000 | $12.02 | $120K | 3,299,560 |
| 2026-10-29 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Sale 10b5-1 | −10,000 | $9.00 | $90K | 3,309,560 |
| 2026-10-01 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −35,968 | $8.38 | $301K | 3,319,560 |
| 2026-08-21 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −174 | $7.96 | $1K | 10,834 |
| 2026-08-14 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −252 | $7.65 | $2K | 11,008 |
| 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 |
| 2026-05-22 | 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 |
| 2026-04-01 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −35,968 | $5.64 | $203K | 3,391,496 |
| 2026-02-21 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −178 | $6.81 | $1K | 11,658 |
| 2026-02-14 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −1,024 | $6.58 | $7K | 11,836 |
| 2026-02-10 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −355,119 | $6.94 | $2.5M | 3,427,464 |
| 2026-02-07 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Grant or award | +658,240 | 3,782,583 | ||
| 2026-01-20 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Sale 10b5-1 | −10,000 | $9.00 | $90K | 3,124,343 |
| 2026-01-06 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Sale 10b5-1 | −10,000 | $9.70 | $97K | 3,134,343 |
| 2026-01-01 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Grant or award | +360,000 | 3,181,378 | ||
| 2026-01-01 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Shares withheld for taxes | −37,035 | $9.03 | $334K | 3,144,343 |
| 2025-12-23 | Livschitz Leonard CHIEF EXECUTIVE OFFICER | Sale 10b5-1 | −10,000 | $9.33 | $93K | 2,821,378 |
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