Photo: Eric Chan, CC BY 2.0, via Wikimedia Commons

John L. Hennessy

b. 1952

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Alphabet Inc., 3 years.

Alphabet Inc. Director
3 years · Since 2023

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
Sep 14, 2026 Alphabet Inc. Grant or award +1 — —
Sep 14, 2026 Alphabet Inc. Grant or award +1 — —
Sep 14, 2026 Alphabet Inc. Grant or award +1 — —
Sep 14, 2026 Alphabet Inc. Grant or award +1 — —
Aug 5, 2026 Alphabet Inc. Gift −1,738 — —
Aug 5, 2026 Alphabet Inc. Gift +1,738 — —
Jul 1, 2026 Alphabet Inc. Grant or award +1,400 — —
Jun 15, 2026 Alphabet Inc. Open-market sale −45 $366.22 $16,480
Jun 15, 2026 Alphabet Inc. Open-market sale −33 $367.66 $12,133
Jun 15, 2026 Alphabet Inc. Open-market sale −177 $369.21 $65,350
Jun 15, 2026 Alphabet Inc. Open-market sale −45 $369.89 $16,645
Jun 15, 2026 Alphabet Inc. Open-market sale −51 $366.01 $18,667
Jun 15, 2026 Alphabet Inc. Open-market sale −35 $367.09 $12,848
Jun 15, 2026 Alphabet Inc. Open-market sale −145 $369.04 $53,511
Jun 15, 2026 Alphabet Inc. Open-market sale −119 $369.69 $43,993

Questions about John L. Hennessy

What boards is John L. Hennessy on?

John L. Hennessy sits on the board of Alphabet Inc.

How long has John L. Hennessy served on boards?

Our records show at least 4 years of board service across 1 board, the earliest from 2023.

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