Summary
Updated Aug 31, 2026
Atlas Venture Fund XII, L.P. files SEC Form 4 reports at Vigil Neuroscience, Inc. (VIGL). 1 SEC Form 4 filing on record, dated 5 August 2025.
Recent Transactions
2Every recent SEC Form 4 transaction Atlas Venture Fund XII, L.P. has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Atlas Venture Fund XII, L.P. go back to 2025: 1 primary Form 4 filing, an average of 0.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Atlas Venture Fund XII, L.P.. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Ivana Magovcevic-Liebisch - $28K of VIGL open-market activity on record
- Haeberlein Samantha L. Budd - $21K of VIGL open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
What is Atlas Venture Fund XII, L.P.?
Atlas Venture Fund XII, L.P. is an investment firm of Vigil Neuroscience, Inc. (VIGL). InsiderAlpha holds 1 primary Form 4 filing for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Atlas Venture Fund XII, L.P. last file a Form 4?
The only primary Form 4 on record is dated 5 August 2025.
Where can I see all of Atlas Venture Fund XII, L.P.'s SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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