Frank L. Walker
CIK 1611972 · last filed 2026-01-23
Frank L. Walker is a corporate insider who has filed 18 SEC Form 4 insider transactions across 1 company since 2014. The most recent filing, for ISTR, was dated Jan 23, 2026. Across all open-market trades the lifetime net is +$396.9K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $468.2K across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$468.2K
1
18
$396.9K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ISTR | Director | 15,530 | $30.15 | $468.2K | $396.9K | 18 | 2026-01-23 |
Recent Filings
18 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-01-23 | ISTR | Grant (A) | +1,431 | $0 | EDGAR |
| 2025-07-03 | ISTR | Grant (A) | — | $0 | EDGAR |
| 2025-01-17 | ISTR | Grant (A) | +1,750 | $0 | EDGAR |
| 2024-01-19 | ISTR | Grant (A) | +1,798 | $0 | EDGAR |
| 2023-01-20 | ISTR | Grant (A) | +1,279 | $0 | EDGAR |
| 2022-01-21 | ISTR | Grant (A) | +1,494 | $0 | EDGAR |
| 2021-01-26 | ISTR | Buy (P) | +1,000 | $14.0K | EDGAR |
| 2021-01-21 | ISTR | Grant (A) | +1,691 | $0 | EDGAR |
| 2020-02-03 | ISTR | Buy (P) | +450 | $10.0K | EDGAR |
| 2020-01-24 | ISTR | Grant (A) | +624 | $0 | EDGAR |