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Walker Maria C profile photo

Maria C. Walker

CIK: 0001826519

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

MapLight Therapeutics, Inc. logo
MPLT

MapLight Therapeutics, Inc.

Director
Five9, Inc. logo
FIVN

Five9, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (3 total)

  • MapLight Therapeutics, Inc. logo
    MPLT

    MapLight Therapeutics, Inc.

    Jun 23, 2026
    Award(A)
    Direct
    3.9K shares-
  • Five9, Inc. logo
    FIVN

    Five9, Inc.

    May 20, 2026
    Award(A)
    Direct
    9K shares-
  • MapLight Therapeutics, Inc. logo
    MPLT

    MapLight Therapeutics, Inc.

    Oct 27, 2025
    Award(A)
    Direct
    6.3K shares-

1-3 of 3

About Walker Maria C

Walker Maria C (SEC CIK 0001826519) files insider reports with the SEC as Director of MapLight Therapeutics, Inc. (MPLT) and Director of Five9, Inc. (FIVN).

Signal8 holds 4 ownership filings by Walker Maria C (1 Form 3, 3 Form 4), filed between Oct 27, 2025 and Jun 25, 2026. Those filings report 3 transactions, from Oct 27, 2025 to Jun 23, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Walker Maria C's filings is in REDWOOD CITY, CA.

Recent filings by Walker Maria C

  • Jun 23, 2026: Grant or award of MPLT shares (Form 4, code A).
  • May 20, 2026: Grant or award of FIVN shares (Form 4, code A).
  • Oct 27, 2025: Grant or award of MPLT shares (Form 4, code A).

Other insiders filing for MapLight Therapeutics, Inc. (MPLT)

How to read Form 4 transaction codes