Gregory George - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Gregory George is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $37.53M. Historical track record: 2/5 stars across 30 tracked purchases.
Profile
Gregory George serves as Director of MESOBLAST LTD (MESO). George has reported 2 insider filings with the SEC since 2026. The most recent filing was in April 2026.
| Role | Director, 10% Owner |
|---|---|
| Notability | 36/100 |
Board memberships
- MESOBLAST LTD
Reported roles
- Director
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★☆☆☆ (2/5) |
|---|---|
| Total purchases tracked | 30 |
| Purchases with forward-return data | 30 |
| 30-day win rate | 7% |
| 90-day win rate | 87% |
| Avg 5-day return | +0.55% |
| Avg 30-day return | +0.05% |
| Avg 90-day return | +1.17% |
| Best 30-day return | +7.60% |
Trading Pattern
InsiderAlpha's records for Gregory George go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $1.25M (30 buys totaling $37.53M). The largest single buy on record is $7.20M of MESO 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 Gregory George 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, 10% Owner at MESOBLAST LTD (MESO) - 2 filings, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 2.32M | $1.48 | $3.44M |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 10.0K | $1.41 | $14K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 10.0K | $1.43 | $14K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 10.0K | $1.43 | $14K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 5.0K | $1.43 | $7K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 10.0K | $1.43 | $14K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 5.2K | $1.43 | $7K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 10.0K | $1.43 | $14K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 20.0K | $1.43 | $29K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 4.8K | $1.44 | $7K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 10.0K | $1.44 | $14K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 500.0K | $1.44 | $720K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 105.0K | $1.46 | $153K |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 886.9K | $1.43 | $1.27M |
| 2026-04-13 | MESO | MESOBLAST LTD | P - Open-market purchase | 4.00M | $1.42 | $5.68M |
| 2026-04-10 | MESO | MESOBLAST LTD | P - Open-market purchase | 2.32M | $1.48 | $3.44M |
| 2026-04-10 | MESO | MESOBLAST LTD | P - Open-market purchase | 10.0K | $14.10 | $141K |
| 2026-04-10 | MESO | MESOBLAST LTD | P - Open-market purchase | 10.0K | $14.30 | $143K |
| 2026-04-10 | MESO | MESOBLAST LTD | P - Open-market purchase | 10.0K | $14.30 | $143K |
| 2026-04-10 | MESO | MESOBLAST LTD | P - Open-market purchase | 5.0K | $14.30 | $72K |
Most Active Insiders Right Now
Gregory George has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Michael Sean Griffey
- GS FUND HOLDINGS, L.L.C.
- Steve Handy
- Hanwha Aerospace Co., Ltd.
- Stayce D. Harris
- Harrison Street Real Assets Fund LLC
- Haveli Investments, L.P.
- Stephen J. Hemsley
Frequently Asked Questions
Who is Gregory George?
Gregory George serves as Director of MESOBLAST LTD (MESO). George has reported 2 insider filings with the SEC since 2026. The most recent filing was in April 2026.…
Has Gregory George been buying or selling stock?
Recorded transactions: 30 open-market purchases ($37.53M) and 0 open-market sales across all tracked filings.
How accurate is Gregory George's historical track record?
Across 30 tracked purchases, Gregory George averaged +0.1% avg 30-day return with a 7% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.
Where can I see all of Gregory George'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 Gregory George profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.