Figures computed from official regulatory filings — .
Ownershipinsiders 27.88% · institutions 27.67%
In USD · as of Oct 5, 2026
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Wright Investors' Service Holdings, Inc. does not have significant operations. It intends to acquire interests in one or more operating businesses. The company was formerly known as National Patent Development Corporation. Wright Investors' Service Holdings, Inc. was incorporated in 1998 and is based in Mount Kisco, New York.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
54 buys11 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| CAMERON DORT A III | Award | $10K | SEC | ||
| Award |
| $10K |
| SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| CAMERON DORT A III | Award | $10K | SEC |
| Miller William H IIItrack record | Buy | $4.2K | conv 27 | SEC |
| Miller William H IIItrack record | Buy | $1K | conv 20 | SEC |
| Miller William H IIItrack record | Buy | $650 | conv 20 | SEC |
| Miller William H IIItrack record | Buy | $800 | conv 45First in 12mo | SEC |
| CAMERON DORT A III | Award | $10K | SEC |
| CAMERON DORT A III | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| CAMERON DORT A III | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| CAMERON DORT A III | Award | $10K | SEC |
| CAMERON DORT A III | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |
| CAMERON DORT A III | Award | $10K | SEC |
| SCHAFRAN LAWRENCE G | Award | $10K | SEC |