Barbara Klencke

Sits on 3 boards. Last updated September 28, 2026

Time on boards

Boards served
3
Current seats
3
Board service
9 years
Director since
2023

9 years of board service in total across 3 boards, counting each seat separately. Longest: TScan Therapeutics Inc., 3 years.

3 years · Since 2023
Xencor Inc. Director
3 years · Since 2023
1 year · Since 2025

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Jun 16, 2026 Xencor Inc. Grant or award +10,302 — —
Jun 12, 2025 Xencor Inc. Grant or award +13,686 — —
Sep 23, 2024 TScan Therapeutics Inc. Open-market purchase +5,000 $5.29 $26,450
Aug 26, 2024 TScan Therapeutics Inc. Open-market purchase +5,000 $5.53 $27,650
Aug 23, 2024 TScan Therapeutics Inc. Open-market purchase +5,000 $5.69 $28,450
Jun 13, 2024 Xencor Inc. Grant or award +5,986 — —
Dec 14, 2023 TScan Therapeutics Inc. Open-market purchase +5,000 $5.08 $25,400

Questions about Barbara Klencke

What boards is Barbara Klencke on?

Barbara Klencke sits on the boards of ALX Oncology Holdings Inc., TScan Therapeutics Inc. and Xencor Inc.

How long has Barbara Klencke served on boards?

Our records show at least 9 years of board service across 3 boards, the earliest from 2023.

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