RIBAR GEOFFREY G

SEC Form 4 insider trading activity

RIBAR GEOFFREY G has filed 7 SEC Form 4 filings (8 transaction rows) across 3 companies, including QS, MRAM, MTSI, with disclosures dating back to 2026. 7 of those filings fall inside the rolling window. Most recent filing: Jun 5, 2026.

On the most recent filing, RIBAR GEOFFREY G is listed as Director at EVERSPIN TECHNOLOGIES INC. Inside the rolling window, RIBAR GEOFFREY G reported no open-market purchases and 3 open-market sales totaling $1.9M in MRAM and MTSI. The largest disclosed transaction in the window is a sale of 27,488 MRAM shares on May 20, 2026, worth $794K.

Companies traded

Other insiders at QS

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$1.9M

reported sales (SEC code S)

Companies

3

in the rolling window

Source
MRAMSale$794KMay 21SEC ↗
MTSISale$587KMay 13SEC ↗
MTSISale$569KFeb 27SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has RIBAR GEOFFREY G made?

RIBAR GEOFFREY G has filed 7 SEC Form 4 filings (8 transaction rows) across 3 companies, including QS, MRAM, MTSI since 2026.

Which companies does RIBAR GEOFFREY G trade?

RIBAR GEOFFREY G has filed SEC Form 4 disclosures for 3 companies, including QS, MRAM, MTSI.

When was RIBAR GEOFFREY G's most recent SEC Form 4 filing?

RIBAR GEOFFREY G's most recent SEC Form 4 filing on Tracefour is dated Jun 5, 2026.

What is RIBAR GEOFFREY G's total buy and sell value in the current window?

Inside the rolling retention window, RIBAR GEOFFREY G bought $0 and sold $1.9M based on SEC Form 4 filings.

What was RIBAR GEOFFREY G's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 27,488 MRAM shares on 2026-05-20, worth $794K, per SEC Form 4 filings.