Severin Hacker
Chief Tech Officer, Co-Founder, Director, 10% Owner · Duolingo, Inc.
- 2024
- May 29, 2026
- 19
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Severin Hacker files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Ahn Luis von - $34.15M in DUOL purchases and sales in the last 12 months
- Natalie Glance - $2.64M in DUOL purchases and sales in the last 12 months
- Stephen C. Chen - $2.46M in DUOL purchases and sales in the last 12 months
- Matthew Skaruppa - $1.69M in DUOL purchases and sales in the last 12 months
- William B. Gordon - $1.46M in DUOL purchases and sales in the last 12 months
- Robert Meese - $701K in DUOL purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is Severin Hacker?
Severin Hacker is a corporate insider, tracked as Chief Tech Officer, Co-Founder, Director, 10% Owner of Duolingo, Inc. (DUOL). InsiderAlpha holds 19 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Severin Hacker last file a Form 4?
The most recent primary Form 4 on record is dated 29 May 2026, one of 19 filings going back to 2024.
Has Severin Hacker been buying or selling stock?
Recorded transactions: 0 open-market purchases and 152 open-market sales ($113.07M) across all tracked filings.
