Matthew Prince
Matthew Prince: CEO & Board Co-Chair · Director · 10% owner at Cloudflare. What Matthew Prince holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Cloudflare (NET)
Matthew Prince holds 25.4M Cloudflare shares (7.1% of the company), worth about $9.2B at the last price, according to the Form 4 of Aug 15, 2026.
- Shares held: 25.1M (7.1%), $9.1B — Held through companies or funds (See footnote): 25.1M Class B, 25,570 Class A.
- Shares held: 315,300 (0.09%), $114.2M — Held in their own name: 315,300 Class A.
- Share units: 131,334 (0.04%), $47.5M — Cloudflare promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Cloudflare (NET) — Form 4 of Aug 15, 2026 (CEO & Board Co-Chair): shares withheld for tax of 19,937 at $315.78; 340,870 shares after 0001786925-26-000041
- Cloudflare (NET) — Form 4 of Aug 5, 2026 (CEO & Board Co-Chair): open-market sale of 2,352 at $291.57; open-market sale of 720 at $292.74; 360,807 shares after 0001786925-26-000039
- Cloudflare (NET) — Form 4 of Aug 5, 2026 (CEO & Board Co-Chair): open-market sale of 304 at $287.99; open-market sale of 869 at $289.18; 25.1M shares after 0001786925-26-000037
- Cloudflare (NET) — Form 4 of Aug 4, 2026 (CEO & Board Co-Chair): conversion of 18,752; open-market sale of 34 at $280.11; 25.2M shares after 0001786925-26-000033
- Cloudflare (NET) — Form 4 of Aug 3, 2026 (CEO & Board Co-Chair): conversion of 18,752; open-market sale of 267 at $277.40; 25.6M shares after 0001786925-26-000031
- Cloudflare (NET) — Form 4 of Jul 6, 2026 (CEO & Board Co-Chair): conversion of 33,631; open-market sale of 4,709 at $239.64; 25.6M shares after 0001786925-26-000029
- Cloudflare (NET) — Form 4 of Jul 2, 2026 (CEO & Board Co-Chair): conversion of 18,787; open-market sale of 428 at $245.46; 25.3M shares after 0001786925-26-000027
- Cloudflare (NET) — Form 4 of Jun 24, 2026 (CEO & Board Co-Chair): conversion of 52,384; open-market sale of 2,883 at $221.46; 25.8M shares after 0001786925-26-000025
- Cloudflare (NET) — Form 4 of Jun 23, 2026 (CEO & Board Co-Chair): conversion of 26,834; open-market sale of 3,990 at $212.97; 25.5M shares after 0001786925-26-000023
- Cloudflare (NET) — Form 4 of May 21, 2026 (CEO & Board Co-Chair): conversion of 52,384; open-market sale of 3,062 at $201.17; 25.9M shares after 0001786925-26-000021
- Cloudflare (NET) — Form 4 of May 15, 2026 (CEO & Board Co-Chair): shares withheld for tax of 19,958 at $199.81; 386,357 shares after 0001786925-26-000019
- Cloudflare (NET) — Form 4 of Apr 8, 2026 (CEO & Board Co-Chair): open-market sale of 657 at $223.62; open-market sale of 2 at $224.32; 406,315 shares after 0001786925-26-000017
- Cloudflare (NET) — Form 4 of Apr 8, 2026 (CEO & Board Co-Chair): conversion of 52,384; open-market sale of 6,691 at $208.48; 25.7M shares after 0001786925-26-000015
- Cloudflare (NET) — Form 4 of Mar 18, 2026 (CEO & Board Co-Chair): open-market sale of 4,684 at $227.19; open-market sale of 8,474 at $228.08; 406,811 shares after 0001786925-26-000013
- Cloudflare (NET) — Form 4 of Mar 18, 2026 (CEO & Board Co-Chair): conversion of 29,473; open-market sale of 15,146 at $207.91; 25.9M shares after 0001786925-26-000011
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.