Klaus Schafer
CIK 1705904 · last filed 2026-05-01
Klaus Schafer is a corporate insider who has filed 15 SEC Form 4 insider transactions across 1 company since 2017. The most recent filing, for ALT, was dated May 1, 2026. Across all open-market trades the lifetime net is −$76.6K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $24.0K 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.
$24.0K
1
15
-$76.6K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ALT | Director | 9,179 | $2.61 | $24.0K | -$76.6K | 15 | 2026-05-01 |
Recent Filings
15 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-01 | ALT | Grant (A) | — | $0 | EDGAR |
| 2025-09-29 | ALT | Grant (A) | — | $0 | EDGAR |
| 2024-09-30 | ALT | Grant (A) | — | $0 | EDGAR |
| 2023-09-29 | ALT | Grant (A) | — | $0 | EDGAR |
| 2022-09-30 | ALT | Grant (A) | — | $0 | EDGAR |
| 2022-06-22 | ALT | Exer (M) | +279 | $670 | EDGAR |
| 2021-09-24 | ALT | Grant (A) | — | $0 | EDGAR |
| 2020-12-11 | ALT | Buy (P) | +2,000 | $24.0K | EDGAR |
| 2020-11-13 | ALT | Sell (S) | −10,150 | -$100.6K | EDGAR |
| 2020-10-16 | ALT | Exer (M) | +16,850 | $0 | EDGAR |