WILLIAM M THALMAN
CIK 1104808 · EVP & COO · last filed 2026-06-03
WILLIAM M THALMAN is an EVP & COO who has filed 29 SEC Form 4 insider transactions across 1 company since 2021. The most recent filing, for FSTR, was dated Jun 3, 2026. Across all open-market trades the lifetime net is +$97.5K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $3.4M 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.
$3.38M
1
29
$97.5K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| FSTR | EVP & COO | 79,882 | $42.37 | $3.38M | $97.5K | 29 | 2026-06-03 |
Recent Filings
29 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-03 | FSTR | Grant (A) | +1,128 | $0 | EDGAR |
| 2026-05-27 | FSTR | Tax (F) | −1,178 | -$44.9K | EDGAR |
| 2026-03-09 | FSTR | Mixed | +7,925 | -$365.6K | EDGAR |
| 2026-03-09 | FSTR | Tax (F) | −2,743 | -$86.8K | EDGAR |
| 2026-02-23 | FSTR | Mixed | +7,925 | -$365.6K | EDGAR |
| 2026-02-20 | FSTR | Tax (F) | −2,728 | -$86.3K | EDGAR |
| 2026-02-20 | FSTR | Mixed | +850 | -$25.8K | EDGAR |
| 2026-02-18 | FSTR | Tax (F) | −2,728 | -$86.3K | EDGAR |
| 2026-02-12 | FSTR | Mixed | +838 | -$26.1K | EDGAR |
| 2025-05-27 | FSTR | Mixed | +7,187 | -$16.3K | EDGAR |