Who
Kirk K. Calhoun
Director
Company insider
Files Form 4 as: Director, Ryerson Holding; Director, NantHealth; Director, 1497504; Director, Response Genetics; Director, Abraxis BioScience; Director, Replidyne; Director, Adams Respiratory Therapeutics; Director, Myogen.
In numbers
- Trades disclosed
- 81
- Buys
- 2
- Sells
- 0
- Bought
- $21K
- Sold
- $0
- Companies
- 9
- Companies where not an officer
- 9
- First trade
- 1 Jan 2006
- Last trade
- 23 Jul 2026
- Last filed
- 27 Jul 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 23 Jul 2026filed 27 Jul 2026 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —97 at $0.00 | filing |
| 23 Jul 2026filed 27 Jul 2026 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —97 at $0.00 | filing |
| 10 Apr 2026filed 13 Apr 2026 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —389 at $0.00 | filing |
| 10 Apr 2026filed 13 Apr 2026 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —389 at $0.00 | filing |
| 1 Jan 2026filed 6 Jan 2026 | Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —347 at $0.00 | filing |
| 1 Jan 2026filed 6 Jan 2026 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —347 at $0.00 | filing |
| 30 Sep 2025filed 2 Oct 2025 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —382 at $0.00 | filing |
| 30 Jun 2025filed 2 Jul 2025 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —405 at $0.00 | filing |
| 1 Apr 2025filed 3 Apr 2025 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —381 at $0.00 | filing |
| 31 Dec 2024filed 3 Jan 2025 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —472 at $0.00 | filing |
| 1 Oct 2024filed 1 Oct 2024 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —439 at $0.00 | filing |
| 1 Jul 2024filed 2 Jul 2024 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —448 at $0.00 | filing |
| 1 Apr 2024filed 2 Apr 2024 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —261 at $0.00 | filing |
| 12 Jan 2024filed 16 Jan 2024 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —252 at $0.00 | filing |
| 2 Oct 2023filed 3 Oct 2023 | RYZ Ryerson HoldingDistributors & Wholesale | SEC FORM 4 Code A | —300 at $0.00 | filing |
| 9 Jun 2022filed 10 Jun 2022 | NantHealthoption or derivative | SEC FORM 4 Code A | —100,000 at $0.00 | filing |
| 22 Feb 2022filed 24 Feb 2022 | Stock Option (right to buy)option or derivative | SEC FORM 4 Code A | —20,000 at $0.00 | filing |
| 16 Jun 2021filed 26 Jul 2021 | NantHealthoption or derivative | SEC FORM 4 Code A | —100,000 at $0.00 | filing |
| 18 Nov 2020filed 20 Nov 2020 | PLx Pharmaoption or derivative | SEC FORM 4 Code A | —40,000 at $0.00 | filing |
| 21 May 2020filed 26 May 2020 | NantHealthoption or derivative | SEC FORM 4 Code A | —100,000 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.