Sarah Josephine Olsen - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Sarah Josephine Olsen has filed 2 SEC Form 4 filings across 1 company in the last 90 days - buying. Lifetime open-market purchases: $27K.
Profile
Sarah Josephine Olsen holds the role of CFO & COO at TON Strategy Co (TONX). Olsen has reported 5 insider filings with the SEC since 2025. The most recent filing was in July 2026.
| Role | CFO & COO |
|---|---|
| Notability | 34/100 |
Board memberships
- TON Strategy Co
Reported roles
- CFO & COO
Trading Pattern
InsiderAlpha's records for Sarah Josephine Olsen go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. The typical open-market purchase is $27K (1 buy totaling $27K). The largest single buy on record is $27K of TONX in 2026. 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 Sarah Josephine Olsen 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.
- CFO & COO at TON Strategy Co (TONX) - 3 filings, 2026
- CFO COO at TON Strategy Co (TONX) - 2 filings, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-22 | TONX | TON Strategy Co | A - Grant or award | 218.0K | $0.00 | |
| 2026-07-22 | TONX | TON Strategy Co | A - Grant or award | 1.30M | $0.00 | |
| 2026-05-14 | TONX | TON Strategy Co | P - Open-market purchase | 7.4K | $3.62 | $27K |
| 2026-05-01 | TONX | TON Strategy Co | J - Other acquisition / disposition | 631.9K | - | |
| 2026-05-01 | TONX | TON Strategy Co | J - Other acquisition / disposition | 38.0K | - | |
| 2025-10-07 | TONX | TON Strategy Co | A - Grant or award | 631.9K | $0.00 | |
| 2025-08-07 | TONX | TON Strategy Co | A - Grant or award | 38.0K | $0.00 |
Companies - Last 90 Days
- TON Strategy Co (TONX) - 2 filings, last 2026-07-22
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Sarah Josephine Olsen 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.
- Rory J. Cutaia - $7.17M of TONX open-market activity in the last 12 months
- Manuel Stotz - $498K of TONX open-market activity in the last 12 months
- Kevin Mark Wilson - $59K of TONX open-market activity in the last 12 months
- Evan Sohn - $10K of TONX open-market activity in the last 12 months
- Mary Marbach - $6K of TONX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Nicholas S. Schorsch
- Trygve Seglem
- Lawrence B. Seidman
- Thomas J. Shaw
- Silver Point Capital L.P.
- SilverBay Capital Management LLC
- Michael Simanovsky
- Bob R. Simpson
Frequently Asked Questions
Who is Sarah Josephine Olsen?
Sarah Josephine Olsen holds the role of CFO & COO at TON Strategy Co (TONX). Olsen has reported 5 insider filings with the SEC since 2025. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Sarah Josephine Olsen submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Sarah Josephine Olsen been buying or selling stock?
Recorded transactions: 1 open-market purchase ($27K) and 0 open-market sales across all tracked filings.
Where can I see all of Sarah Josephine Olsen'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 Sarah Josephine Olsen profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.