SEC CIK 1611972

Walker Frank L.

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

Current Positions

CompanyShares OwnedAs Of
ISTRview stock →14,2252026-01-21

Position History — ISTR

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

010,39820,79531,1932014-062014-062016-012018-102018-102020-012023-012026-01

Recent Filings — ISTR

DateActivitySharesPriceOwned After
2026-01-21Grant / award1,431$0.0014,225
2025-07-01Grant / award (derivative)100$1000.00100
2025-01-15Grant / award1,750$0.0012,794
2024-01-17Grant / award1,798$0.0011,044
2023-01-18Grant / award1,279$0.009,246
2022-01-19Grant / award1,494$0.007,967
2021-01-20Grant / award1,691$0.0031,193
2020-01-31Open-market buy450$22.251,305
2020-01-22Grant / award624$0.0029,502
2019-01-01Grant / award565$0.0028,878
2018-10-30Open-market buy49$25.00654
2018-10-30Open-market buy201$25.50855
2018-10-30———304.02
2018-10-30———1,210
2018-01-24Grant / award816$0.0028,918
2017-01-20Grant / award618$0.0028,102
2016-01-01Grant / award401$0.0027,484
2015-02-18Grant / award454$0.0027,083
2015-02-18Open-market buy454$14.3327,083
2014-06-30———175.45
2014-06-30———733.57
2014-06-30Open-market buy25,720$14.0026,629.02
2014-06-30Open-market buy1,000$14.001,909

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