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Company
▲ Purchases (0 ops.)
▼ Sales (13 ops.)
Latest filing published 09 Dec 2025 for Duolingo, Inc.. Read the official filing
Filing timeline
BuySaleSeverin Hacker
Insider track record
Disclosed buys
0
Disclosed sells
13
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Severin Hacker: trading record in brief
Severin Hacker appears in our data through filings on Duolingo, Inc. shares, published by SEC (Form 4). The record holds 78 filings, for trades running from 30 July 2021 to 8 December 2025.
On the market, this insider has only sold: 13 sales, €3.1M in total. Other entries cover 2 option exercises. Since January 2025: no purchases and 13 sales on the market.
Most recently, on 9 December 2025, the filings show a transaction in Duolingo, Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Companies and markets linked to Severin Hacker
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
