Chu Yu-Waye — SEC Form 4 filings
SEC reporting owner CIK 1854586. 6 Form 4 filings on record with FilingPulse; latest filed 2026-03-19.
Transaction summary — filings shown
Covers all 6 filings on record, filed 2024-01-19 to 2026-03-19. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 2 legs across 2 filings — 25,304 shares, $139,086 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 11.
- Largest priced transaction: sale of 21,279 shares @ $6.42 ($136,675) in CytomX Therapeutics, Inc., filed 2026-03-19.
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 |
|---|---|---|---|---|---|
| CytomX Therapeutics, Inc. (CTMX) | Chief Medical Officer | 6 | — | 2 legs · 25,304 sh · $139,086 | 11 |
Form 4 filings — Chu Yu-Waye
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-19 | 4 | CytomX Therapeutics, Inc. (CTMX) | Sale (S): 21,279 @ $6.42 | EDGAR |
| 2026-02-04 | 4 | CytomX Therapeutics, Inc. (CTMX) | Grant/award (A): 75,000 @ $0 · Grant/award (A): 300,000 (derivative) @ $0 | EDGAR |
| 2025-09-30 | 4 | CytomX Therapeutics, Inc. (CTMX) | Grant/award (A): 87,500 (derivative) @ $0 · Grant/award (A): 43,750 (derivative) @ $0 | EDGAR |
| 2025-03-20 | 4 | CytomX Therapeutics, Inc. (CTMX) | Sale (S): 4,025 @ $0.60 | EDGAR |
| 2025-02-06 | 4 | CytomX Therapeutics, Inc. (CTMX) | Grant/award (A): 56,000 @ $0 · Grant/award (A): 57,500 @ $0 · Grant/award (A): 238,000 (derivative) @ $0 · Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2024-01-19 | 4 | CytomX Therapeutics, Inc. (CTMX) | Grant/award (A): 26,250 @ $0 · Grant/award (A): 122,500 (derivative) @ $0 · Grant/award (A): 75,000 (derivative) @ $0 | 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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