Bornstein Jonathan

Officer · AMPX

As of 2026-09-16, Bornstein Jonathan has 3 Form 4 transactions on record across 1 company — 0 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.

Trades by company

AMPX · 3 trades
2025-03-10: Option exercise, 3,471 sh ($3K)2025-03-10: Option exercise, 3,471 sh ($0)2025-02-21: Sale, 13,527 sh ($42K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-02-21AMPXSale13,527 @ $3.13$42K−3.1% of holding419,197Form 4
2 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-03-10AMPXOption exercise3,471422,668Form 4
2025-03-10AMPXOption exercise3,4710Form 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.