InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (20 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
20
T+90 hit rate
60%
T+90 mean return
+0.9%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Chen Stephen C., Conseiller Juridique. Officer active across 1 company, notably Duolingo, Inc.. In total, 41 disclosures have been recorded. Split: 0 buy · 20 sells. Total volume traded: €3.4m. Activity tracked since 15 November 2021. The latest transaction was filed on 17 February 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Declarations41 total
58 sharesClass A Common StockSEC:0001628280-26-044413:0
896 shares@ US$110.061.7% of flowClass A Common StockSEC:0001628280-26-009985:0
1,800 shares@ US$14.420.5% of flowClass A Common StockSEC:0001628280-25-059129:0
1,282 shares@ US$177.954.1% of flowClass A Common StockSEC:0001628280-25-053186:0
1,700 shares@ US$14.420.5% of flowClass A Common StockSEC:0001628280-25-042241:0
1,515 shares@ US$321.369.1% of flowClass A Common StockSEC:0001562088-25-000199:0
1,282 shares@ US$329.038.7% of flowClass A Common StockSEC:0001562088-25-000184:0
750 shares0Class A Common StockSEC:0001562088-25-000176:0
1,268 shares@ US$525.074915.6% of flowClass A Common StockSEC:0001562088-25-000114:0
5,443 shares0Class A Common StockSEC:0001562088-25-000110:0
1,166 shares@ US$435.0012.7% of flowClass A Common StockSEC:0001562088-25-000026:0
1,331 shares@ US$14.420.5% of flowClass A Common StockSEC:0001562088-25-000018:0
3,700 shares@ US$14.421.4% of flowClass A Common StockSEC:0001562088-24-000300:0
275 shares@ US$307.03552.1% of flowClass A Common StockSEC:0001562088-24-000264:0
1,249 shares@ US$309.309.6% of flowClass A Common StockSEC:0001562088-24-000260:0
7,382 shares@ US$14.422.5% of flowClass A Common StockSEC:0001562088-24-000226:0
1,249 shares@ US$199.506.0% of flowClass A Common StockSEC:0001562088-24-000216:0
6,715 shares@ US$14.422.4% of flowClass A Common StockSEC:0001562088-24-000180:0
988 shares0Class A Common StockSEC:0001562088-24-000128:0
988 shares0Class A Common StockSEC:0001562088-24-000034:0
2,000 shares@ US$14.420.7% of flowClass A Common StockSEC:0001562088-24-000023:0
18,000 shares@ US$14.426.2% of flowClass A Common StockSEC:0001562088-24-000006:0
988 shares@ US$209.785.0% of flowClass A Common StockSEC:0001562088-23-000234:0
5,325 shares@ US$14.421.9% of flowClass A Common StockSEC:0001562088-23-000198:0
988 shares@ US$132.443.2% of flowClass A Common StockSEC:0001562088-23-000189:0
25 of 41 declarations
About Chen Stephen C.
Stephen C. Chen is General Counsel at Duolingo, Inc. He oversees the legal and regulatory matters of the company, ensuring compliance and protecting Duolingo's interests. His role is crucial in navigating the complex legal landscape of the technology industry.
