John P. Calamos Sr.
Global CIO, 10% Owner · Calamos Aksia Hedged Strategies Fund
Individual
- 2025
- Jul 1, 2026
- 13
Global CIO, 10% Owner · Calamos Aksia Hedged Strategies Fund
Latest filing:
John P. Calamos Sr. is Global CIO, 10% Owner of Calamos Long/Short Equity & Dynamic Income Trust (CPZ). 13 SEC Form 4 filings on record going back to 2025, most recently on 1 July 2026. Lifetime open-market purchases: $1.52M. Lifetime open-market sales: $538K.
The latest 20 SEC Form 4 transactions reported by John P. Calamos Sr..
Insiders who reported open-market trades in the last 12 months at the companies John P. Calamos Sr. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
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John P. Calamos Sr. is a corporate insider, tracked as Global CIO, 10% Owner of Calamos Long/Short Equity & Dynamic Income Trust (CPZ). InsiderAlpha holds 13 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 1 July 2026, one of 13 filings going back to 2025.
Recorded transactions: 31 open-market purchases ($1.52M) and 26 open-market sales ($538K) across all tracked filings.
939.0K shares
939.0K shares
152.9K shares
152.9K shares
71 shares @ $10.56$753
898 shares
616 shares @ $10.63$7K
12 shares @ $10.65$126
1.4K shares @ $10.72$15K
10.0K shares @ $10.72$107K
8.9K shares @ $10.52$94K
3.0K shares @ $10.00$30K
3.0K shares @ $10.00$30K
3.0K shares @ $10.00$30K
898 shares
616 shares @ $10.63$7K
12 shares @ $10.65$126
1.4K shares @ $10.72$15K
10.0K shares @ $10.72$107K
8.9K shares @ $10.52$94K
InsiderAlpha's records for John P. Calamos Sr. go back to 2025: 13 primary Form 4 filings, an average of 6.5 per year. The typical open-market purchase is $49K (31 buys totaling $1.52M). Sales side: 26 recorded sales totaling $538K, so the filing history runs buy-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.