Brian Siu-Gae Lam - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Brian Siu-Gae Lam is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
Profile
Brian Siu-Gae Lam is a corporate insider at SAFETY INSURANCE GROUP INC (SAFT). Lam has reported 1 insider filing with the SEC since 2026. The most recent filing was in March 2026.
| Role | VP of Insurance Operations |
|---|---|
| Notability | 20/100 |
Board memberships
- SAFETY INSURANCE GROUP INC
Trading Pattern
InsiderAlpha's records for Brian Siu-Gae Lam go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. 9 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Brian Siu-Gae Lam 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.
- VP of Insurance Operations at SAFETY INSURANCE GROUP INC (SAFT) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-03 | SAFT | SAFETY INSURANCE GROUP INC | F - Tax withholding / forfeiture [10b5-1] | 176 | $76.89 | $14K |
| 2026-03-03 | SAFT | SAFETY INSURANCE GROUP INC | F - Tax withholding / forfeiture [10b5-1] | 17 | $76.18 | $1K |
| 2026-03-03 | SAFT | SAFETY INSURANCE GROUP INC | F - Tax withholding / forfeiture [10b5-1] | 142 | $77.49 | $11K |
| 2026-03-03 | SAFT | SAFETY INSURANCE GROUP INC | F - Tax withholding / forfeiture [10b5-1] | 70 | $76.78 | $5K |
| 2026-03-03 | SAFT | SAFETY INSURANCE GROUP INC | F - Tax withholding / forfeiture [10b5-1] | 8 | $77.42 | $619 |
| 2026-03-03 | SAFT | SAFETY INSURANCE GROUP INC | F - Tax withholding / forfeiture [10b5-1] | 38 | $76.95 | $3K |
| 2026-03-03 | SAFT | SAFETY INSURANCE GROUP INC | A - Grant or award [10b5-1] | 2.0K | $0.00 | |
| 2026-03-03 | SAFT | SAFETY INSURANCE GROUP INC | A - Grant or award [10b5-1] | 1.7K | $0.00 | |
| 2026-03-03 | SAFT | SAFETY INSURANCE GROUP INC | J - Other acquisition / disposition [10b5-1] | 249 | $0.00 |
Most Active Insiders Right Now
Brian Siu-Gae Lam 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:
- BROADWOOD PARTNERS, L.P.
- Ronald W. Burkle
- BVF PARTNERS L P/IL
- de Retraite D'Hydro-Quebec Caisse
- Kevin T. Callahan
- Michael Cannon-Brookes
- CANTOR FITZGERALD & CO.
- Fitzgerald, L. P. Cantor
Frequently Asked Questions
Who is Brian Siu-Gae Lam?
Brian Siu-Gae Lam is a corporate insider at SAFETY INSURANCE GROUP INC (SAFT). Lam has reported 1 insider filing with the SEC since 2026. The most recent filing was in March 2026.…
Where can I see all of Brian Siu-Gae Lam'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 Brian Siu-Gae Lam profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.