InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (13 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
13
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the complete record of transactions filed by Hacker Severin. Officer active across 1 company, notably Duolingo, Inc.. In total, 78 reports have been published. Breakdown: 0 buy · 13 sells. Total volume traded: €3.1m. Activity tracked since 30 July 2021. The latest transaction was disclosed on 8 December 2025 (C). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Hacker Severin
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations78 total
50,000 shares0Class A Common StockSEC:0001628280-25-056204:0
10,000 shares@ US$38.083.7% of flowClass A Common StockSEC:0001628280-25-053427:0
10,000 shares@ US$38.083.9% of flowClass A Common StockSEC:0001628280-25-050203:0
10,000 shares@ US$38.084.0% of flowClass A Common StockSEC:0001628280-25-045963:0
10,000 shares@ US$38.084.2% of flowClass A Common StockSEC:0001628280-25-044485:0
10,000 shares@ US$38.084.3% of flowClass A Common StockSEC:0001628280-25-042323:0
10,000 shares@ US$38.084.6% of flowClass A Common StockSEC:0001562088-25-000201:0
10,000 shares0Class A Common StockSEC:0001562088-25-000191:0
10,000 shares@ US$38.084.8% of flowClass A Common StockSEC:0001562088-25-000189:0
10,000 shares@ US$38.085.1% of flowClass A Common StockSEC:0001562088-25-000170:0
854 shares@ US$359.64745.1% of flowClass A Common StockSEC:0001562088-25-000159:5
373 shares@ US$360.53512.2% of flowClass A Common StockSEC:0001562088-25-000159:6
300 shares@ US$366.31671.8% of flowClass A Common StockSEC:0001562088-25-000159:11
10,000 shares@ US$38.086.3% of flowClass A Common StockSEC:0001562088-25-000159:0
2,445 shares@ US$355.306314.3% of flowClass A Common StockSEC:0001562088-25-000159:1
728 shares@ US$356.20334.3% of flowClass A Common StockSEC:0001562088-25-000159:2
1,100 shares@ US$357.47346.5% of flowClass A Common StockSEC:0001562088-25-000159:3
300 shares@ US$358.39051.8% of flowClass A Common StockSEC:0001562088-25-000159:4
200 shares@ US$361.871.2% of flowClass A Common StockSEC:0001562088-25-000159:7
620 shares@ US$363.40423.7% of flowClass A Common StockSEC:0001562088-25-000159:8
1,580 shares@ US$364.55479.5% of flowClass A Common StockSEC:0001562088-25-000159:9
1,200 shares@ US$365.49427.2% of flowClass A Common StockSEC:0001562088-25-000159:10
100 shares@ US$367.610.6% of flowClass A Common StockSEC:0001562088-25-000159:12
200 shares@ US$370.051.2% of flowClass A Common StockSEC:0001562088-25-000159:13
10,000 shares@ US$38.085.3% of flowClass A Common StockSEC:0001562088-25-000157:0
25 of 78 declarations
About Hacker Severin
Hacker Severin is associated with Duolingo, Inc. (XNAS) as Chief Tech Officer, Co-Founder. He has filed 78 forms in total, and across the 78 sampled filings dated from 2021-08-02 to 2025-12-09, the recorded activity is dominated by sales, with total sell volume of EUR 3081213 and modal transaction nature listed as C.
