Thomas J. Seifert

Sits on 1 board. Last updated September 27, 2026

Time on boards

Boards served
1
Current seats
1
Board service
2 years
Director since
2024

2 years of board service in total across 1 board, counting each seat separately. Longest: Wolfspeed Inc., 1 year.

Wolfspeed Inc. Director
1 year ยท Since 2024

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 17, 2026 Cloudflare Inc. Derivative conversion +10,000 โ€” โ€”
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’100 $318.90 $31,890
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’100 $320.89 $32,089
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’100 $326.56 $32,656
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’300 $328.04 $98,412
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’700 $329.37 $230,561
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’700 $330.23 $231,159
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’1,196 $331.59 $396,581
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’1,604 $332.50 $533,330
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’2,632 $333.62 $878,080
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’1,868 $334.59 $625,015
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’600 $335.32 $201,192
Sep 17, 2026 Cloudflare Inc. Open-market sale โˆ’100 $336.51 $33,651
Sep 15, 2026 Cloudflare Inc. Shares withheld for tax โˆ’2,944 $327.23 $963,365
Aug 17, 2026 Cloudflare Inc. Derivative conversion +10,000 โ€” โ€”

Reviews (0)

Sign in to write a review.

No reviews yet. Be the first to write one.

We use cookies to run this site and, with your permission, to measure traffic and support the affiliate links that help fund it.