Ogden Christopher — SEC Form 4 filings
SEC reporting owner CIK 1914523. 11 Form 4 filings on record with FilingPulse; latest filed 2026-06-17.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-01-19 to 2026-06-17. 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): 7 legs across 6 filings — 46,708 shares, $176,203 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 17.
- Largest priced transaction: sale of 19,323 shares @ $6.42 ($124,112) 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 Financial Officer | 11 | — | 7 legs · 46,708 sh · $176,203 | 17 |
Form 4 filings — Ogden Christopher
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-17 | 4 | CytomX Therapeutics, Inc. (CTMX) | Sale (S): 1,624 @ $3.05 | EDGAR |
| 2026-03-19 | 4 | CytomX Therapeutics, Inc. (CTMX) | Sale (S): 19,323 @ $6.42 | EDGAR |
| 2026-02-04 | 4 | CytomX Therapeutics, Inc. (CTMX) | Grant/award (A): 90,000 @ $0 · Grant/award (A): 325,000 (derivative) @ $0 | EDGAR |
| 2025-09-30 | 4 | CytomX Therapeutics, Inc. (CTMX) | Grant/award (A): 78,250 (derivative) @ $0 · Grant/award (A): 39,150 (derivative) @ $0 | EDGAR |
| 2025-06-17 | 4 | CytomX Therapeutics, Inc. (CTMX) | Sale (S): 1,641 @ $2.95 · Option exercise (M): 37,500 @ $0 · Sale (S): 10,614 @ $2.69 · Option exercise (M): 37,500 (derivative) @ $0 | EDGAR |
| 2025-03-20 | 4 | CytomX Therapeutics, Inc. (CTMX) | Sale (S): 8,551 @ $0.60 | EDGAR |
| 2025-02-06 | 4 | CytomX Therapeutics, Inc. (CTMX) | Grant/award (A): 44,000 @ $0 · Grant/award (A): 57,500 @ $0 · Grant/award (A): 225,000 (derivative) @ $0 · Grant/award (A): 115,000 (derivative) @ $0 | EDGAR |
| 2024-08-22 | 4 | CytomX Therapeutics, Inc. (CTMX) | Option exercise (M): 6,875 @ $0 · Sale (S): 1,984 @ $1.23 · Option exercise (M): 6,875 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | CytomX Therapeutics, Inc. (CTMX) | Grant/award (A): 17,500 @ $0 · Grant/award (A): 75,000 (derivative) @ $0 | EDGAR |
| 2024-03-21 | 4 | CytomX Therapeutics, Inc. (CTMX) | Sale (S): 2,971 @ $2.09 | EDGAR |
| 2024-01-19 | 4 | CytomX Therapeutics, Inc. (CTMX) | Grant/award (A): 40,000 @ $0 · Grant/award (A): 154,000 (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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