Gallopoulos Gregory S
Officer · GD
As of 2026-09-27, Gallopoulos Gregory S has 34 Form 4 transactions on record across 1 company — 11 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 March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $41.8M
- Indirect $0
| GD | direct | 124,264 sh | $41.8M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-03-11 | GD | Sale | 3,729 @ $354.35 | $1.3M | −2.9% of holding | 125,764 | Form 4 |
| 2025-06-13 | GD | Sale | 30,509 @ $284.36 | $8.7M | −21.6% of holding | 110,724 | Form 4 |
| 2025-06-13 | GD | Sale | 8,109 @ $283.00 | $2.3M | −5.4% of holding | 141,233 | Form 4 |
| 2025-06-13 | GD | Sale | 3,612 @ $285.08 | $1.0M | −3.3% of holding | 107,112 | Form 4 |
| 2025-03-05 | GD | Sale | 3,534 @ $263.42 | $931K | −3.2% of holding | 107,112 | Form 4 |
| 2024-04-29 | GD | Sale | 13,567 @ $288.51 | $3.9M | −11.6% of holding | 103,345 | Form 4 |
28 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-07 | GD | Gift | 1,500 | 124,264 | Form 4 |
| 2026-03-09 | GD | Withheld for tax | 1,401 | 129,493 | Form 4 |
| 2026-03-04 | GD | Withheld for tax | 1,672 | 128,589 | Form 4 |
| 2026-03-04 | GD | Award / grant | 3,697 | 130,261 | Form 4 |
| 2026-03-04 | GD | Award / grant | 19,450 | 19,450 | Form 4 |
| 2026-03-04 | GD | Award / grant | 2,305 | 130,894 | Form 4 |
| 2025-10-29 | GD | Gift | 1,200 | 126,843 | Form 4 |
| 2025-10-28 | GD | Withheld for tax | 32,586 | 128,043 | Form 4 |
| 2025-10-28 | GD | Option exercise | 45,580 | 160,629 | Form 4 |
| 2025-10-28 | GD | Option exercise | 45,580 | 0 | Form 4 |
| 2025-07-28 | GD | Withheld for tax | 24,643 | 115,049 | Form 4 |
| 2025-07-28 | GD | Option exercise | 32,580 | 139,692 | Form 4 |
| 2025-07-28 | GD | Option exercise | 32,580 | 0 | Form 4 |
| 2025-06-13 | GD | Option exercise | 42,230 | 149,342 | Form 4 |
| 2025-06-13 | GD | Option exercise | 42,230 | 0 | Form 4 |
| 2025-03-05 | GD | Award / grant | 27,010 | 27,010 | Form 4 |
| 2025-03-05 | GD | Award / grant | 3,250 | 110,646 | Form 4 |
| 2025-03-04 | GD | Withheld for tax | 1,515 | 107,396 | Form 4 |
| 2025-03-04 | GD | Award / grant | 3,358 | 108,911 | Form 4 |
| 2025-03-03 | GD | Withheld for tax | 1,399 | 105,553 | Form 4 |
| 2024-10-29 | GD | Withheld for tax | 27,093 | 106,952 | Form 4 |
| 2024-10-29 | GD | Option exercise | 30,700 | 134,045 | Form 4 |
| 2024-10-29 | GD | Option exercise | 30,700 | 0 | Form 4 |
| 2024-03-06 | GD | Award / grant | 23,700 | 23,700 | Form 4 |
| 2024-03-06 | GD | Award / grant | 2,610 | 116,912 | Form 4 |
| 2024-03-05 | GD | Withheld for tax | 2,255 | 114,302 | Form 4 |
| 2024-03-05 | GD | Award / grant | 4,998 | 116,557 | Form 4 |
| 2024-03-04 | GD | Withheld for tax | 1,760 | 111,559 | 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.