Ackerman John
CIK 2037898 · last filed 2026-03-24
Ackerman John is a corporate insider who has filed 5 SEC Form 4 insider transactions across 1 company since 2024. The most recent filing shows the insider sold $32.8M of GRDN on Mar 24, 2026. Across all open-market trades the lifetime net is −$58.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $14.4M 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.
$14.44M
1
5
-$58.67M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| GRDN | Director | 345,123 | $41.83 | $14.44M | -$58.67M | 5 | 2026-03-24 |
Recent Filings
5 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-24 | GRDN | Sell (S) | −1,103,364 | -$32.75M | EDGAR |
| 2025-09-30 | GRDN | Exer (M) | +1,884,997 | $0 | EDGAR |
| 2025-05-29 | GRDN | Sell (S) | −1,285,579 | -$25.92M | EDGAR |
| 2025-04-01 | GRDN | Exer (M) | +1,884,997 | $0 | EDGAR |
| 2024-10-01 | GRDN | Grant (A) | — | $0 | EDGAR |