Chang Carmen — SEC Form 4 filings
SEC reporting owner CIK 1746342. 11 Form 4 filings on record with FilingPulse; latest filed 2026-06-15.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-04-10 to 2026-06-15. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 5 legs across 5 filings — 2,216,707 shares, $28,074,473 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 4 legs across 1 filing — 3,915 shares, $26,426 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 53.
- Largest priced transaction: purchase of 937,500 shares @ $16.00 ($15,000,000) in SpyGlass Pharma, Inc., filed 2026-02-11.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| SpyGlass Pharma, Inc. (SGP) | 10% owner | 1 | 1 leg · 937,500 sh · $15,000,000 | — | 12 |
| MBX Biosciences, Inc. (MBX) | 10% owner | 1 | 1 leg · 500,000 sh · $8,000,000 | — | 4 |
| Korro Bio, Inc. (KRRO) | 10% owner | 2 | 2 legs · 224,957 sh · $3,300,873 | — | 1 |
| Marker Therapeutics, Inc. (MRKR) | 10% owner | 1 | 1 leg · 554,250 sh · $1,773,600 | — | — |
| NeueHealth, Inc. (NEUE) | Director, 10% owner | 3 | — | 4 legs · 3,915 sh · $26,426 | 33 |
| Coursera, Inc. (COUR) | Director | 3 | — | — | 3 |
Form 4 filings — Chang Carmen
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-15 | 4 | Coursera, Inc. (COUR) | Grant/award (A): 34,260 @ $0 | EDGAR |
| 2026-03-12 | 4 | Korro Bio, Inc. (KRRO) | Purchase (P): 207,100 @ $11.11 · Purchase (P): 242,945 (derivative) @ $11.11 | EDGAR |
| 2026-02-11 | 4 | SpyGlass Pharma, Inc. (SGP) | Conversion (C): 1,619,240 · Conversion (C): 1,370,168 · Conversion (C): 1,370,168 · Conversion (C): 737,962 · Purchase (P): 937,500 @ $16 · Conversion (C): 954,990 · +7 more | EDGAR |
| 2025-10-06 | 4 | NeueHealth, Inc. (NEUE) | Option exercise/expiry (X): 189,195 @ $0.01 · Sale (S): 280 @ $6.75 · Option exercise (M): 372,255 @ $0.01 · Tax withholding (F): 551 @ $6.75 · Disposition to issuer (D): 1,159,683 · Option exercise/expiry (X): 189,195 @ $0.01 · +25 more | EDGAR |
| 2025-05-23 | 4 | Coursera, Inc. (COUR) | Grant/award (A): 21,765 @ $0 | EDGAR |
| 2024-12-23 | 4 | Marker Therapeutics, Inc. (MRKR) jointly with New Enterprise Associates 16, L.P., NEA Partners 16, L.P., NEA 16 GP, LLC, BASKETT FOREST, Behbahani Ali, Florence Anthony A. Jr., Makhzoumi Mohamad, SANDELL SCOTT D, Walker Paul Edward | Purchase (P): 554,250 @ $3.20 | EDGAR |
| 2024-10-03 | 4 | NeueHealth, Inc. (NEUE) | Purchase (P): 61,865 (derivative) · Purchase (P): 61,865 (derivative) · Purchase (P): 185,595 (derivative) | EDGAR |
| 2024-09-17 | 4 | MBX Biosciences, Inc. (MBX) | Conversion (C): 1,023,103 · Conversion (C): 2,091,383 · Purchase (P): 500,000 @ $16 · Conversion (C): 12,299,854 (derivative) · Conversion (C): 25,142,840 (derivative) | EDGAR |
| 2024-05-24 | 4 | Coursera, Inc. (COUR) | Grant/award (A): 18,669 @ $0 | EDGAR |
| 2024-04-24 | 4 | Korro Bio, Inc. (KRRO) | Purchase (P): 17,857 @ $56 | EDGAR |
| 2024-04-10 | 4 | NeueHealth, Inc. (NEUE) | Purchase (P): 123,729 (derivative) · Purchase (P): 123,729 (derivative) · Purchase (P): 371,187 (derivative) | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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