Who
John Langton Sennott Jr.
Director
Company insider
Files Form 4 as: Director, Ategrity Specialty Insurance Company; SVP, Chief Financial Officer, Alleghany Corp /de; EVP, Chief Corp. Strat Officer, Allied World Assurance Co Holdings, AG; S.V.P. - CFO, Darwin Professional Underwriters.
In numbers
- Trades disclosed
- 101
- Buys
- 9
- Sells
- 0
- Bought
- $1.2M
- Sold
- $0
- Companies
- 4
- Companies where not an officer
- 1
- First trade
- 19 May 2006
- Last trade
- 11 Jun 2026
- Last filed
- 16 Jun 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 | |
|---|---|---|---|---|
| 11 Jun 2026filed 16 Jun 2026 | ASIC Ategrity Specialty Insurance CompanyInsurance | SEC FORM 4 Code M | —980 | filing |
| 11 Jun 2026filed 16 Jun 2026 | ASIC Ategrity Specialty Insurance Companyoption or derivative · Insurance | SEC FORM 4 Code M | —980 at $0.00 | filing |
| 11 Jun 2026filed 16 Jun 2026 | ASIC Ategrity Specialty Insurance Companyoption or derivative · Insurance | SEC FORM 4 Code M | —980 at $0.00 | filing |
| 11 Jun 2026filed 16 Jun 2026 | ASIC Ategrity Specialty Insurance CompanyInsurance | SEC FORM 4 Code M | —980 | filing |
| 12 Jun 2025filed 16 Jun 2025 | ASIC Ategrity Specialty Insurance CompanyInsurance | SEC FORM 4 Bought | $500K29,400 at $17.00 | filing |
| 11 Jun 2025filed 16 Jun 2025 | ASIC Ategrity Specialty Insurance Companyoption or derivative · Insurance | SEC FORM 4 Code A | —2,941 at $0.00 | filing |
| 30 Jun 2019filed 1 Jul 2019 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code A | $26K37.93 at $678.48 | filing |
| 31 Mar 2019filed 2 Apr 2019 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code A | $27K43.76 at $612.76 | filing |
| 3 Feb 2019filed 4 Feb 2019 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code M | —708 at $0.00 | filing |
| 3 Feb 2019filed 4 Feb 2019 | Alleghany Corp /de | SEC FORM 4 Code M | —708 at $0.00 | filing |
| 3 Feb 2019filed 4 Feb 2019 | Alleghany Corp /de | SEC FORM 4 Code D | $154K243 at $635.73 | filing |
| 15 Jan 2019filed 2 Apr 2019 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code A | —589 at $0.00 | filing |
| 31 Dec 2018filed 3 Jan 2019 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code A | $25K40.73 at $620.37 | filing |
| 30 Sep 2018filed 2 Oct 2018 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code A | $25K38.93 at $649.09 | filing |
| 30 Jun 2018filed 2 Jul 2018 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code A | $25K43.44 at $581.64 | filing |
| 30 Mar 2018filed 3 Apr 2018 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code A | $25K40.95 at $614.08 | filing |
| 26 Feb 2018filed 28 Feb 2018 | Alleghany Corp /de | SEC FORM 4 Code A | $1.1M1,846 at $606.97 | filing |
| 26 Feb 2018filed 28 Feb 2018 | Alleghany Corp /de | SEC FORM 4 Code D | $541K892 at $606.97 | filing |
| 26 Jan 2018filed 26 Jan 2018 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code A | —584 at $0.00 | filing |
| 21 Jan 2018filed 23 Jan 2018 | Alleghany Corp /deoption or derivative | SEC FORM 4 Code M | —759 at $0.00 | filing |
News
Ategrity Specialty (NYSE:ASIC) Downgraded by Wall Street Zen to "Hold"ASIC · themarketsdaily.com · 11 Oct 2026
0 headlines in the last 90 days name John Langton Sennott Jr.; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.
Sectors
Related people
Nobody else traded the same names lately.