Gryzlov Yury
Officer · GDYN
As of 2026-09-16, Gryzlov Yury has 36 Form 4 transactions on record across 1 company — 22 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in July in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $4.0M
- Indirect $0
| GDYN | direct | 503,070 sh | $4.0M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-03 | GDYN | Sale | 3,918 @ $8.00 | $31K | −0.8% of holding | 503,070 | Form 4 |
| 2026-08-18 | GDYN | Sale | 467 @ $7.53 | $4K | −0.1% of holding | 506,988 | Form 4 |
| 2026-08-13 | GDYN | Sale | 3,930 @ $8.00 | $31K | −0.8% of holding | 508,087 | Form 4 |
| 2026-07-02 | GDYN | Sale | 1,245 @ $6.29 | $8K | −0.2% of holding | 512,017 | Form 4 |
| 2026-06-01 | GDYN | Sale | 4,435 @ $8.00 | $35K | −0.9% of holding | 514,948 | Form 4 |
| 2026-05-15 | GDYN | Sale | 467 @ $6.45 | $3K | −0.1% of holding | 519,383 | Form 4 |
| 2026-04-02 | GDYN | Sale | 1,245 @ $5.54 | $7K | −0.2% of holding | 520,482 | Form 4 |
| 2026-03-10 | GDYN | Sale | 21,266 @ $6.22 | $132K | −3.9% of holding | 523,413 | Form 4 |
| 2025-12-05 | GDYN | Sale | 25,000 @ $9.66 | $242K | −5.4% of holding | 440,289 | Form 4 |
| 2025-10-31 | GDYN | Sale | 737 @ $9.00 | $7K | −0.2% of holding | 465,289 | Form 4 |
| 2025-07-08 | GDYN | Sale | 2,000 @ $12.33 | $25K | −0.4% of holding | 467,779 | Form 4 |
| 2025-07-02 | GDYN | Sale | 737 @ $11.82 | $9K | −0.2% of holding | 469,779 | Form 4 |
| 2025-06-03 | GDYN | Sale | 2,000 @ $12.00 | $24K | −0.4% of holding | 472,269 | Form 4 |
| 2025-05-06 | GDYN | Sale | 2,000 @ $13.22 | $26K | −0.4% of holding | 474,269 | Form 4 |
| 2025-04-08 | GDYN | Sale | 2,000 @ $13.97 | $28K | −0.4% of holding | 476,269 | Form 4 |
| 2025-04-03 | GDYN | Sale | 737 @ $14.80 | $11K | −0.2% of holding | 478,269 | Form 4 |
| 2025-03-11 | GDYN | Sale | 2,000 @ $16.77 | $34K | −0.4% of holding | 480,759 | Form 4 |
| 2025-03-04 | GDYN | Sale | 10,306 @ $18.66 | $192K | −2.1% of holding | 482,759 | Form 4 |
18 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | GDYN | Withheld for tax | 632 | 507,455 | Form 4 |
| 2026-07-01 | GDYN | Withheld for tax | 1,686 | 513,262 | Form 4 |
| 2026-05-14 | GDYN | Withheld for tax | 632 | 519,850 | Form 4 |
| 2026-04-01 | GDYN | Withheld for tax | 1,686 | 521,727 | Form 4 |
| 2026-02-14 | GDYN | Withheld for tax | 2,629 | 544,679 | Form 4 |
| 2026-02-10 | GDYN | Withheld for tax | 17,310 | 555,962 | Form 4 |
| 2026-02-10 | GDYN | Withheld for tax | 8,654 | 547,308 | Form 4 |
| 2026-02-07 | GDYN | Award / grant | 32,912 | 573,272 | Form 4 |
| 2026-02-07 | GDYN | Award / grant | 65,824 | 540,360 | Form 4 |
| 2026-01-01 | GDYN | Withheld for tax | 1,753 | 474,536 | Form 4 |
| 2026-01-01 | GDYN | Award / grant | 36,000 | 476,289 | Form 4 |
| 2025-10-01 | GDYN | Withheld for tax | 1,753 | 466,026 | Form 4 |
| 2025-07-01 | GDYN | Withheld for tax | 1,753 | 470,516 | Form 4 |
| 2025-04-01 | GDYN | Withheld for tax | 1,753 | 479,006 | Form 4 |
| 2025-02-18 | GDYN | Withheld for tax | 17,504 | 463,065 | Form 4 |
| 2025-02-14 | GDYN | Award / grant | 30,000 | 493,065 | Form 4 |
| 2025-02-13 | GDYN | Award / grant | 66,560 | 480,569 | Form 4 |
| 2025-01-01 | GDYN | Withheld for tax | 7,012 | 414,009 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.