SEC CIK 1047579

PRINS RICHARD K

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
AMPHview stock →29,6252026-08-11

Position History — AMPH

Reported shares owned immediately after each Form 4 transaction, over time.

013,12126,24139,3622024-082025-062025-112025-112026-062026-08

Recent Filings — AMPH

DateActivitySharesPriceOwned After
2026-08-11Open-market sale7,973$20.3029,625
2026-06-01Grant / award (derivative)17,365$0.0017,365
2026-06-01Grant / award8,143$0.0037,598
2025-11-25Option exercise (derivative)4,179$0.000
2025-11-25Open-market sale4,179$27.1035,183
2025-11-25Option exercise4,179$16.6939,362
2025-06-02Grant / award (derivative)11,402$0.0011,402
2025-06-02Grant / award5,122$0.0035,183
2024-08-19Gift1,500$0.0029,455

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.