JOHN P SR CALAMOS
CIK 1248580 · Global CIO · last filed 2026-06-02
JOHN P SR CALAMOS is a Global CIO who has filed 275 SEC Form 4 insider transactions across 7 companies since 2007. Across all open-market trades the lifetime net is +$74.3M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $38.8M 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.
$38.77M
7
275
$74.31M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CPZ | President and Chairman | 11,017 | $12.77 | $140.7K | $902.1K | 9 | 2025-12-18 |
| CCD | President and Chairman | 1,450,158 | $24.92 | $36.14M | $21.34M | 96 | 2025-04-07 |
| CSQ | President and Global CIO | 45,800 | $20.10 | $920.6K | -$829.1K | 1 | 2017-01-25 |
| CHI | President and Global CIO | 0 | $12.59 | $0 | -$539.1K | 1 | 2017-01-25 |
| Calamos Asset Management, Inc. /DE/ (CLMS) Delisted | Founder, Chairman & Global CIO | 1,414,238 | — | — | $52.84M | 152 | 2016-08-25 |
| CGO | president and chairman | 105,600 | $13.30 | $1.40M | $219.0K | 3 | 2007-08-23 |
| CHW | president and chairman | 19,300 | $8.70 | $167.9K | $376.7K | 2 | 2007-08-22 |
Recent Filings
275 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-02 | — | Mixed | +27,773 | $299.2K | |
| 2026-04-23 | — | Mixed | +27,845 | $299.9K | |
| 2026-03-16 | — | Buy (P) | +741 | $8.0K | |
| 2026-03-11 | — | Mixed | +28,742 | $299.9K | |
| 2026-03-10 | — | Mixed | +28,742 | $299.9K | |
| 2025-12-18 | CPZ | Sell (S) | −13,517 | -$199.3K | EDGAR |
| 2025-12-17 | CPZ | Sell (S) | −25,000 | -$368.1K | EDGAR |
| 2025-12-16 | CPZ | Sell (S) | −35,000 | -$511.3K | EDGAR |
| 2025-08-20 | — | Buy (P) | +27,690 | $277.5K | |
| 2025-07-11 | — | Other (J) | +1,963,771 | $0 |