Chang Carmen — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Chang Carmen has filed 1 SEC Form 4 filing across 1 company in the last 90 days — active on both sides. Lifetime open-market purchases: $20.00M. Lifetime open-market sales: $26K. Historical track record: 5/5 stars across 3 tracked purchases.

Profile

Chang Carmen
RoleInsider
Notability30/100

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★★★★★ (5/5)
Total purchases tracked3
Purchases with forward-return data3
30-day win rate10000%
90-day win rate0%
Avg 5-day return+842.67%
Avg 30-day return+1046.29%
Avg 90-day return-824.96%
Best 30-day return+1393.73%

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-15COURCoursera, Inc.A — Grant or award34.3K$0.00
2026-03-13KRROKorro Bio, Inc.P — Open-market purchase207.1K$11.11$2.30M
2026-02-11SGPSpyGlass Pharma, Inc.J — Other acquisition / disposition402.3K
2026-02-11SGPSpyGlass Pharma, Inc.J — Other acquisition / disposition955.0K
2026-02-11SGPSpyGlass Pharma, Inc.P — Open-market purchase937.5K$16.00$15.00M
2026-02-11SGPSpyGlass Pharma, Inc.J — Other acquisition / disposition738.0K
2026-02-11SGPSpyGlass Pharma, Inc.J — Other acquisition / disposition1.37M
2026-02-11SGPSpyGlass Pharma, Inc.J — Other acquisition / disposition1.37M
2026-02-11SGPSpyGlass Pharma, Inc.J — Other acquisition / disposition1.62M
2025-10-02NEUENeueHealth, Inc.D — Derivative transaction2.38M
2025-10-02NEUENeueHealth, Inc.F — Tax withholding / forfeiture182$6.75$1K
2025-10-02NEUENeueHealth, Inc.M — Option exercise124.1K$0.01$1K
2025-10-02NEUENeueHealth, Inc.S — Open-market sale900$6.75$6K
2025-10-02NEUENeueHealth, Inc.J — Other acquisition / disposition607.5K$0.01$6K
2025-10-02NEUENeueHealth, Inc.S — Open-market sale2.5K$6.75$17K
2025-10-02NEUENeueHealth, Inc.J — Other acquisition / disposition1.66M$0.01$17K
2025-10-02NEUENeueHealth, Inc.D — Derivative transaction674.6K
2025-10-02NEUENeueHealth, Inc.F — Tax withholding / forfeiture276$6.75$2K
2025-10-02NEUENeueHealth, Inc.M — Option exercise186.1K$0.01$2K
2025-10-02NEUENeueHealth, Inc.S — Open-market sale280$6.75$2K

Companies — Last 90 Days

Frequently Asked Questions

Who is Chang Carmen?

Chang Carmen is a corporate insider — currently tracked as Insider of Coursera, Inc. (COUR). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Chang Carmen submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Chang Carmen been buying or selling stock?

Recorded transactions: 6 open-market purchases ($20.00M) and 4 open-market sales ($26K) across all tracked filings.

How accurate is Chang Carmen's historical track record?

Across 3 tracked purchases, Chang Carmen averaged +1046.3% avg 30-day return with a 10000% 30-day win rate. InsiderAlpha rates the track record at 5/5 stars.

Where can I see all of Chang Carmen'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 Chang Carmen profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.