Barker Robert

Director · Other reporting person · GCTS

As of 2026-09-16, Barker Robert has 7 Form 4 transactions on record across 1 company — 4 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: $290KIndirect: $0$290Kas of 2026-09-16
  • Direct $290K
  • Indirect $0
GCTSdirect151,710 sh$290K

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

GCTS · 7 trades
2026-06-30: Award / grant, 9,259 sh ($0)2026-03-31: Award / grant, 24,122 sh ($0)2025-12-31: Award / grant, 22,916 sh ($0)2025-09-30: Award / grant, 18,092 sh ($0)2025-06-30: Award / grant, 18,456 sh ($0)2025-03-31: Award / grant, 16,768 sh ($0)2024-12-31: Award / grant, 11,802 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
7 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-30GCTSAward / grant9,259151,710Form 4
2026-03-31GCTSAward / grant24,122142,451Form 4
2025-12-31GCTSAward / grant22,916118,329Form 4
2025-09-30GCTSAward / grant18,09295,413Form 4
2025-06-30GCTSAward / grant18,45677,321Form 4
2025-03-31GCTSAward / grant16,76858,865Form 4
2024-12-31GCTSAward / grant11,80241,162Form 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.