Who
D. Christian Koch
Director
Company insider
Files Form 4 as: Director, Xylem; Director, Toro; Chair, President & CEO, Carlisle Companies; Director, Arctic Cat; Vice President, Graco.
In numbers
- Trades disclosed
- 342
- Buys
- 2
- Sells
- 34
- Bought
- $41K
- Sold
- $152.3M
- Companies
- 5
- Companies where not an officer
- 3
- First trade
- 1 Mar 2005
- Last trade
- 13 Aug 2026
- Last filed
- 14 Aug 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 | |
|---|---|---|---|---|
| 13 Aug 2026filed 14 Aug 2026 | XYL XylemMachinery | SEC FORM 4 Code A | $150K1,247 at $120.27 | filing |
| 13 Aug 2026filed 14 Aug 2026 | XYL XylemMachinery | SEC FORM 4 Code A | $150K1,247 at $120.27 | filing |
| 11 Mar 2026filed 12 Mar 2026 | TTC ToroMachinery | SEC FORM 4 Code G | —2,616 at $0.00 | filing |
| 11 Mar 2026filed 12 Mar 2026 | TTC ToroMachinery | SEC FORM 4 Code G | —2,616 at $0.00 | filing |
| 11 Mar 2026filed 12 Mar 2026 | TTC ToroMachinery | SEC FORM 4 Code G | —2,616 at $0.00 | filing |
| 11 Mar 2026filed 12 Mar 2026 | TTC ToroMachinery | SEC FORM 4 Code G | —2,616 at $0.00 | filing |
| 10 Mar 2026filed 12 Mar 2026 | TTC ToroMachinery | SEC FORM 4 Code M | $234K4,951 at $47.17 | filing |
| 10 Mar 2026filed 12 Mar 2026 | TTC ToroMachinery | SEC FORM 4 Code F | $234K2,335 at $100.04 | filing |
| 10 Mar 2026filed 12 Mar 2026 | TTC Torooption or derivative · Machinery | SEC FORM 4 Code M | —4,951 at $0.00 | filing |
| 10 Mar 2026filed 12 Mar 2026 | TTC Torooption or derivative · Machinery | SEC FORM 4 Code M | —4,951 at $0.00 | filing |
| 10 Mar 2026filed 12 Mar 2026 | TTC ToroMachinery | SEC FORM 4 Code M | $234K4,951 at $47.17 | filing |
| 10 Mar 2026filed 12 Mar 2026 | TTC ToroMachinery | SEC FORM 4 Code F | $234K2,335 at $100.04 | filing |
| 10 Feb 2026filed 11 Feb 2026 | CSL Carlisle CompaniesBuilding Products & Timber | SEC FORM 4 Code M | $8.1M36,260 at $222.35 | filing |
| 10 Feb 2026filed 11 Feb 2026 | CSL Carlisle CompaniesBuilding Products & Timber | SEC FORM 4 Sold | $5.1M12,280 at $412.31 | filing |
| 10 Feb 2026filed 11 Feb 2026 | CSL Carlisle CompaniesBuilding Products & Timber | SEC FORM 4 Sold | $4.4M10,622 at $413.49 | filing |
| 10 Feb 2026filed 11 Feb 2026 | CSL Carlisle Companiesoption or derivative · Building Products & Timber | SEC FORM 4 Code M | —36,260 | filing |
| 10 Feb 2026filed 11 Feb 2026 | CSL Carlisle CompaniesBuilding Products & Timber | SEC FORM 4 Sold | $4.8M11,652 at $414.18 | filing |
| 10 Feb 2026filed 11 Feb 2026 | CSL Carlisle CompaniesBuilding Products & Timber | SEC FORM 4 Sold | $708K1,706 at $415.03 | filing |
| 10 Feb 2026filed 11 Feb 2026 | CSL Carlisle Companiesoption or derivative · Building Products & Timber | SEC FORM 4 Code M | —36,260 | filing |
| 10 Feb 2026filed 11 Feb 2026 | CSL Carlisle CompaniesBuilding Products & Timber | SEC FORM 4 Code M | $8.1M36,260 at $222.35 | filing |
News
No headline names them, or the companies they trade most, lately.