RIBAR GEOFFREY G

Director · QS, MRAM, MTSI, ACTG

As of 2026-09-16, RIBAR GEOFFREY G has 12 Form 4 transactions on record across 4 companies — 8 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 February in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $5.3MIndirect: $0$5.3Mas of 2026-09-16
  • Direct $5.3M
  • Indirect $0
MTSIdirect12,563 sh$3.2M
MRAMdirect97,915 sh$1.4M
ACTGdirect85,827 sh$390K
QSdirect60,285 sh$301K

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

MTSI · 5 trades
2026-05-11: Sale, 1,623 sh ($587K)2026-03-06: Award / grant, 776 sh ($0)2026-02-25: Sale, 2,244 sh ($569K)2025-03-07: Award / grant, 1,623 sh ($0)2025-02-12: Sale, 6,656 sh ($809K)
QS · 3 trades
2026-06-03: Award / grant, 24,183 sh ($0)2026-01-29: Award / grant, 6,224 sh ($0)2026-01-29: Award / grant, 29,878 sh ($0)
MRAM · 3 trades
2026-05-21: Award / grant, 3,852 sh ($0)2026-05-20: Sale, 27,488 sh ($794K)2025-05-22: Award / grant, 20,325 sh ($0)
ACTG · 1 trade
2025-05-30: Award / grant, 32,172 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-20MRAMSale27,488 @ $28.87$794K−22.6% of holding94,063Form 4
2026-05-11MTSISale1,623 @ $361.84$587K−11.4% of holding12,563Form 4
2026-02-25MTSISale2,244 @ $253.59$569K−14.3% of holding13,410Form 4
2025-02-12MTSISale6,656 @ $121.61$809K−32.2% of holding14,031Form 4
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-03QSAward / grant24,18360,285Form 4
2026-05-21MRAMAward / grant3,85297,915Form 4
2026-03-06MTSIAward / grant77614,186Form 4
2026-01-29QSAward / grant6,22436,102Form 4
2026-01-29QSAward / grant29,87829,878Form 4
2025-05-30ACTGAward / grant32,17285,827Form 4
2025-05-22MRAMAward / grant20,325121,551Form 4
2025-03-07MTSIAward / grant1,62315,654Form 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.