Zamarro Christina L

Director · Officer · LHX, GT

As of 2026-09-27, Zamarro Christina L has 39 Form 4 transactions on record across 2 companies — 17 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.

Reconstructed holdings

Direct: $1.9MIndirect: $0$1.9Mas of 2026-09-27
  • Direct $1.9M
  • Indirect $0
LHXdirect6,267 sh$1.5M
GTdirect76,608 sh$393K

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

GT · 26 trades
2026-03-01: Withheld for tax, 30,236 sh ($249K)2026-03-01: Option exercise, 66,671 sh ($0)2026-03-01: Option exercise, 38,305 sh ($0)2026-03-01: Option exercise, 28,366 sh ($0)2026-02-27: Withheld for tax, 26,829 sh ($221K)2026-02-27: Option exercise, 59,158 sh ($0)2026-02-27: Option exercise, 59,158 sh ($0)2026-02-23: Award / grant, 130,733 sh ($0)2026-02-23: Award / grant, 174,311 sh ($0)2026-02-02: Withheld for tax, 17,710 sh ($165K)2026-02-02: Option exercise, 37,682 sh ($0)2026-02-02: Option exercise, 37,682 sh ($0)2025-03-01: Withheld for tax, 10,931 sh ($103K)2025-03-01: Option exercise, 28,366 sh ($0)2025-03-01: Option exercise, 28,366 sh ($0)2025-02-28: Withheld for tax, 3,953 sh ($37K)2025-02-28: Option exercise, 8,715 sh ($0)2025-02-28: Option exercise, 8,715 sh ($0)2025-02-24: Award / grant, 114,913 sh ($0)2025-02-04: Withheld for tax, 1,424 sh ($12K)2025-02-04: Option exercise, 3,992 sh ($0)2025-02-04: Option exercise, 3,992 sh ($0)2024-02-26: Withheld for tax, 3,319 sh ($39K)2024-02-26: Award / grant, 85,097 sh ($0)2024-02-26: Option exercise, 7,317 sh ($0)2024-02-26: Option exercise, 7,317 sh ($0)
LHX · 13 trades
2026-07-01: Award / grant, 128 sh ($38K)2026-05-11: Award / grant, 661 sh ($0)2026-04-01: Award / grant, 106 sh ($38K)2026-01-02: Award / grant, 123 sh ($37K)2025-10-01: Award / grant, 125 sh ($37K)2025-07-01: Award / grant, 149 sh ($37K)2025-04-21: Award / grant, 887 sh ($0)2025-04-01: Award / grant, 179 sh ($37K)2025-01-02: Award / grant, 181 sh ($38K)2024-10-01: Award / grant, 153 sh ($37K)2024-07-01: Award / grant, 169 sh ($38K)2024-04-19: Award / grant, 924 sh ($0)2024-04-01: Award / grant, 180 sh ($37K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
39 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-01LHXAward / grant1286,267Form 4
2026-05-11LHXAward / grant6616,115Form 4
2026-04-01LHXAward / grant1065,454Form 4
2026-03-01GTWithheld for tax30,236143,873Form 4
2026-03-01GTOption exercise66,671174,109Form 4
2026-03-01GTOption exercise38,30576,608Form 4
2026-03-01GTOption exercise28,36628,365Form 4
2026-02-27GTWithheld for tax26,829107,438Form 4
2026-02-27GTOption exercise59,1580Form 4
2026-02-27GTOption exercise59,158134,267Form 4
2026-02-23GTAward / grant130,733130,733Form 4
2026-02-23GTAward / grant174,311174,311Form 4
2026-02-02GTWithheld for tax17,71075,109Form 4
2026-02-02GTOption exercise37,6820Form 4
2026-02-02GTOption exercise37,68292,819Form 4
2026-01-02LHXAward / grant1235,331Form 4
2025-10-01LHXAward / grant1255,188Form 4
2025-07-01LHXAward / grant1495,044Form 4
2025-04-21LHXAward / grant8874,874Form 4
2025-04-01LHXAward / grant1793,987Form 4
2025-03-01GTWithheld for tax10,93155,137Form 4
2025-03-01GTOption exercise28,36656,731Form 4
2025-03-01GTOption exercise28,36666,068Form 4
2025-02-28GTWithheld for tax3,95337,702Form 4
2025-02-28GTOption exercise8,7150Form 4
2025-02-28GTOption exercise8,71541,655Form 4
2025-02-24GTAward / grant114,913114,913Form 4
2025-02-04GTWithheld for tax1,42432,940Form 4
2025-02-04GTOption exercise3,99234,364Form 4
2025-02-04GTOption exercise3,9920Form 4
2025-01-02LHXAward / grant1813,790Form 4
2024-10-01LHXAward / grant1533,594Form 4
2024-07-01LHXAward / grant1693,427Form 4
2024-04-19LHXAward / grant9243,244Form 4
2024-04-01LHXAward / grant1802,320Form 4
2024-02-26GTWithheld for tax3,31930,372Form 4
2024-02-26GTAward / grant85,09785,097Form 4
2024-02-26GTOption exercise7,3170Form 4
2024-02-26GTOption exercise7,31733,691Form 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.