Nello Mainolfi
CIK 1821189 · Chief Executive Officer · last filed 2026-04-29
Nello Mainolfi is a Chief Executive Officer who has filed 43 SEC Form 4 insider transactions across 1 company since 2020. The most recent filing, for KYMR, was dated Apr 29, 2026. Across all open-market trades the lifetime net is −$36.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $58.5M 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.
$58.55M
1
43
-$36.78M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| KYMR | Chief Executive Officer | 679,190 | $86.20 | $58.55M | -$36.78M | 43 | 2026-04-29 |
Recent Filings
43 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-29 | KYMR | Mixed | — | -$2.37M | EDGAR |
| 2026-03-04 | KYMR | Grant (A) | — | $0 | EDGAR |
| 2026-02-25 | KYMR | Mixed | — | -$2.65M | EDGAR |
| 2026-01-06 | KYMR | Exer (M) | +3,118 | $100.0K | EDGAR |
| 2025-12-31 | KYMR | Mixed | — | -$2.28M | EDGAR |
| 2025-12-17 | KYMR | Exer (M) | +2,595 | $100.0K | EDGAR |
| 2025-12-08 | KYMR | Mixed | — | -$8.71M | EDGAR |
| 2025-10-29 | KYMR | Mixed | — | -$1.77M | EDGAR |
| 2025-09-16 | KYMR | Mixed | — | -$1.41M | EDGAR |
| 2025-06-03 | KYMR | Mixed | — | -$1.41M | EDGAR |