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Klencke Barbara

SEC insider (Form 3/4/5 filer). CIK 0001647647. Director at Xencor Inc (XNCR) and 2 other issuers. 9 reported Form 4/5 transactions since Sep 2024; latest on Jun 16, 2026. Located in PASADENA, CA.

Companies Klencke Barbara has filed insider reports for

  • Xencor Inc (XNCR): Director
  • TScan Therapeutics, Inc. (TCRX): Director
  • ALX ONCOLOGY HOLDINGS INC (ALXO): Officer, Chief Medical Officer
Klencke Barbara profile photo

Klencke Barbara

CIK: 0001647647

Transaction Breakdown

Open Market Buys (P)1 (11.1%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)8 (88.9%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (3)

Xencor Inc logo
XNCR

Xencor Inc

Director
TScan Therapeutics, Inc. logo
TCRX

TScan Therapeutics, Inc.

Director
ALX ONCOLOGY HOLDINGS INC logo
ALXO

ALX ONCOLOGY HOLDINGS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (9 total)

  • Xencor Inc logo
    XNCR

    Xencor Inc

    Jun 16, 2026
    Award
    Direct
    10.3K shares-
  • TScan Therapeutics, Inc. logo
    TCRX

    TScan Therapeutics, Inc.

    May 20, 2026
    Award

    Stock Option (Right to Buy)

    Direct
    67K shares-
  • ALX ONCOLOGY HOLDINGS INC logo
    ALXO

    ALX ONCOLOGY HOLDINGS INC

    Apr 16, 2026
    Award

    Stock option (right to buy)

    Direct
    100K shares-
  • ALX ONCOLOGY HOLDINGS INC logo
    ALXO

    ALX ONCOLOGY HOLDINGS INC

    Mar 3, 2026
    Award

    Stock option (right to buy)

    Direct
    700K shares-
  • ALX ONCOLOGY HOLDINGS INC logo
    ALXO

    ALX ONCOLOGY HOLDINGS INC

    Sep 17, 2025
    Award

    Stock option (right to buy)

    Direct
    300K shares-
  • TScan Therapeutics, Inc. logo
    TCRX

    TScan Therapeutics, Inc.

    Jun 30, 2025
    Award

    Stock Option (Right to Buy)

    Direct
    67K shares-
  • Xencor Inc logo
    XNCR

    Xencor Inc

    Jun 12, 2025
    Award
    Direct
    13.7K shares-
  • ALX ONCOLOGY HOLDINGS INC logo
    ALXO

    ALX ONCOLOGY HOLDINGS INC

    Jan 21, 2025
    Award

    Stock Option (right to buy)

    Direct
    40.4K shares-
  • TScan Therapeutics, Inc. logo
    TCRX

    TScan Therapeutics, Inc.

    Sep 23, 2024
    Purchase
    Direct
    5K shares at avg. $5.29$26K

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