InsiderOther
Severin Hacker Insider Trading Activity
Every SEC Form 4 transaction reported by Severin Hacker, sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Is Severin Hacker buying or selling?
Severin Hacker reported 0 open-market buys ($0) and 55 sells ($222.9M) across 55 Form 4 filings at 1 company — a net selling position of $222.9M.
Source: SEC EDGAR Form 4
Key Statistics (as of Nov 20, 2025)
Total Form 4 filings
55
SEC EDGAR
Companies
1
Buys (0)
$0
Sells (55)
$222.9M
Insider sentiment
Net sellingNet insider flow of $222.9M in net selling, filed between Aug 3, 2021 – Nov 20, 2025.
Companies Severin Hacker files for
| # | Company | Form 4 filings |
|---|---|---|
| 1 | DUOLDuolingo, Inc. | 55 |
Recent Severin Hacker transactions
| Date | Ticker | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Nov 20, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $1.7M |
| Nov 6, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $2.6M |
| Oct 23, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.1M |
| Oct 7, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.2M |
| Sep 22, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $2.9M |
| Sep 9, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $2.7M |
| Aug 22, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.4M |
| Aug 8, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.4M |
| Jul 23, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.6M |
| Jul 9, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.9M |
| Jun 24, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $4.7M |
| Jun 9, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $5.3M |
| May 20, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $5.2M |
| May 7, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $5.0M |
| Apr 23, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.1M |
| Apr 9, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $2.9M |
| Mar 21, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.0M |
| Mar 7, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $2.9M |
| Feb 21, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $4.3M |
| Feb 7, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.9M |
| Jan 23, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.3M |
| Jan 7, 2025 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.4M |
| Dec 20, 2024 | DUOL | Chief Tech Officer, Co-Founder | Sale | 10.0K | $3.4M |
| Dec 16, 2024 | DUOL | Chief Tech Officer, Co-Founder | Sale | 43.8K | $14.8M |
| Dec 13, 2024 | DUOL | Chief Tech Officer, Co-Founder | Sale | 41.5K | $14.1M |
Showing the 25 most recent filings of 55. Screen every filing.
Severin Hacker insider trading FAQ
Is Severin Hacker buying or selling?
Across 55 SEC Form 4 filings, Severin Hacker reported 0 open-market purchases totaling $0 and 55 sales totaling $222.9M — a net selling position of $222.9M.
Which companies does Severin Hacker file Form 4s for?
Severin Hacker has reported insider transactions at 1 company, most often Duolingo, Inc. (DUOL).
How far back does Severin Hacker's filing history go?
Trabud holds Severin Hacker's SEC Form 4 filings from Aug 3, 2021 – Nov 20, 2025, sourced directly from SEC EDGAR.
Where does Trabud get Severin Hacker's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
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