Barbie Brewer - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Barbie Brewer has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
Barbie Brewer is Director at Amesite Inc. (AMST). Brewer has reported 8 insider filings with the SEC since 2025. The most recent filing was in July 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- Amesite Inc.
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for Barbie Brewer go back to 2025: 7 primary Form 4 filings, an average of 3.5 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.
Career & Filing History
Every role Barbie Brewer has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at Amesite Inc. (AMST) - 7 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-11 | AMST | Amesite Inc. | M - Option exercise | 41.3K | - |
Companies - Last 90 Days
- Amesite Inc. (AMST) - 1 filing, last 2026-07-01
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Barbie Brewer has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- George Parmer - $350K of AMST open-market activity in the last 12 months
- Ann Marie Sastry - $250K of AMST open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- John F. Barry
- Charlie Bass
- de Lima Filho Pedro Batista
- BCRED X HOLDINGS LLC
- Marc Benioff
- BERKSHIRE HATHAWAY INC
- Paul L. Berns
- Sardar Biglari,
Frequently Asked Questions
Who is Barbie Brewer?
Barbie Brewer is Director at Amesite Inc. (AMST). Brewer has reported 8 insider filings with the SEC since 2025. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Barbie Brewer submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Barbie Brewer'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.
Learn More
Open the live Barbie Brewer profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.