Jonathan Klamkin
CIK 1869626 · Chief Executive Officer · last filed 2026-06-03
Jonathan Klamkin is a Chief Executive Officer who has filed 7 SEC Form 4 insider transactions across 1 company since 2025. The most recent filing, for ALMU, was dated Jun 3, 2026. Across all open-market trades the lifetime net is −$7.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $34.7M 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.
$34.72M
1
7
-$7.82M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ALMU | Chief Executive Officer | 1,377,598 | $25.20 | $34.72M | -$7.82M | 6 | 2026-06-03 |
Recent Filings
7 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-03 | ALMU | Mixed | −20,000 | -$500.7K | EDGAR |
| 2026-05-05 | ALMU | Mixed | −20,000 | -$499.3K | EDGAR |
| 2026-04-03 | ALMU | Sell (S) | −20,000 | -$261.9K | EDGAR |
| 2026-03-05 | ALMU | Sell (S) | −50,000 | -$902.6K | EDGAR |
| 2025-09-09 | ALMU | Mixed | −147,597 | -$2.79M | EDGAR |
| 2025-08-14 | ALMU | Mixed | −147,597 | -$2.79M | EDGAR |
| 2021-06-25 | — | Other (J) | +1,626,995 | $0 |