John D Quisel
CIK 1586788 · Chief Executive Officer · last filed 2026-06-05
John D Quisel is a Chief Executive Officer who has filed 60 SEC Form 4 insider transactions across 3 companies since 2013. The most recent filing, for GOSS, was dated Jun 5, 2026. Across all open-market trades the lifetime net is −$17.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $15.4M 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.
$15.37M
3
60
-$17.17M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| GOSS | Director | — | $0.16 | — | $0 | 4 | 2026-06-05 |
| IRON | Chief Executive Officer | 226,064 | $67.99 | $15.37M | -$9.97M | 16 | 2026-02-17 |
| ACCELERON PHARMA INC (XLRN) Delisted | EVP, Chief Business Officer | 57,558 | $178.75 | $10.29M | -$7.20M | 39 | 2020-01-03 |
Recent Filings
60 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-05 | GOSS | Grant (A) | — | $0 | EDGAR |
| 2026-02-17 | IRON | Sell (S) | −13,264 | -$833.8K | EDGAR |
| 2026-02-11 | IRON | Grant (A) | +55,200 | $0 | EDGAR |
| 2025-12-19 | IRON | Exer (M) | +12,300 | $12.4K | EDGAR |
| 2025-12-15 | IRON | Mixed | — | -$3.33M | EDGAR |
| 2025-09-11 | IRON | Exer (M) | +10,000 | $10.1K | EDGAR |
| 2025-07-11 | IRON | Mixed | — | -$1.58M | EDGAR |
| 2025-07-08 | IRON | Mixed | — | -$235.2K | EDGAR |
| 2025-06-26 | GOSS | Grant (A) | — | $0 | EDGAR |
| 2025-04-08 | IRON | Exer (M) | +7,000 | $7.1K | EDGAR |