Form 4
Insider Selling
2026-04-22
NET insider Zatlyn Michelle (Director, President and Board Co-Chair) sold 76,923 shares (~$15.76M)
Zatlyn Michelle, listed as Director, President and Board Co-Chair at Cloudflare, Inc., reported an open-market sale of 76,923 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Zatlyn Michelle (Director, President and Board Co-Chair)
Shares: 76,923
Est. Value: $15.76M
Form 4
Insider Selling
2026-04-17
NET insider SEIFERT THOMAS J (Chief Financial Officer) sold 10,000 shares (~$1.98M)
SEIFERT THOMAS J, listed as Chief Financial Officer at Cloudflare, Inc., reported an open-market sale of 10,000 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: SEIFERT THOMAS J (Chief Financial Officer)
Shares: 10,000
Est. Value: $1.98M
Form 144
Proposed Insider Sale
2026-04-17
NET Form 144 filed for proposed insider sale by THOMAS SEIFERT (10,000 shares) ~$3.95M
THOMAS SEIFERT filed a Form 144 with the SEC indicating intent to sell NET (Cloudflare, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Filing: Form 144 (Proposed Sale Notice)
Insider: THOMAS SEIFERT
Shares: 10,000
Est. Value: $3.95M
Form 4
Insider Selling
2026-04-08
NET insider Prince Matthew (Director, CEO & Board Co-Chair, 10% Owner) sold 659 shares (~$147.4K)
Prince Matthew, listed as Director, CEO & Board Co-Chair, 10% Owner at Cloudflare, Inc., reported an open-market sale of 659 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Prince Matthew (Director, CEO & Board Co-Chair, 10% Owner)
Shares: 659
Est. Value: $147.4K
Form 4
Insider Selling
2026-04-08
NET insider Prince Matthew (Director, CEO & Board Co-Chair, 10% Owner) sold 156,493 shares (~$33.17M)
Prince Matthew, listed as Director, CEO & Board Co-Chair, 10% Owner at Cloudflare, Inc., reported an open-market sale of 156,493 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Prince Matthew (Director, CEO & Board Co-Chair, 10% Owner)
Shares: 156,493
Est. Value: $33.17M
Form 4
Insider Selling
2026-04-02
NET insider Hawkins Mark J (Director) sold 133 shares (~$27.9K)
Hawkins Mark J, listed as Director at Cloudflare, Inc., reported an open-market sale of 133 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Hawkins Mark J (Director)
Shares: 133
Est. Value: $27.9K
Form 144
Proposed Insider Sale
2026-04-01
NET Form 144 filed for proposed insider sale by MARK HAWKINS (133 shares) ~$55.8K
MARK HAWKINS filed a Form 144 with the SEC indicating intent to sell NET (Cloudflare, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Filing: Form 144 (Proposed Sale Notice)
Insider: MARK HAWKINS
Shares: 133
Est. Value: $55.8K
Form 4
Insider Selling
2026-03-30
NET insider Graham-Cumming John (Director) sold 3,644 shares (~$737.2K)
Graham-Cumming John, listed as Director at Cloudflare, Inc., reported an open-market sale of 3,644 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Graham-Cumming John (Director)
Shares: 3,644
Est. Value: $737.2K
Form 144
Proposed Insider Sale
2026-03-27
NET Form 144 filed for proposed insider sale by John Graham-Cumming (8,684 shares) ~$3.53M
John Graham-Cumming filed a Form 144 with the SEC indicating intent to sell NET (Cloudflare, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Filing: Form 144 (Proposed Sale Notice)
Insider: John Graham-Cumming
Shares: 8,684
Est. Value: $3.53M
Form 4
Insider Selling
2026-03-20
NET insider Ledbetter Carl (Director) sold 15,000 shares (~$3.41M)
Ledbetter Carl, listed as Director at Cloudflare, Inc., reported an open-market sale of 15,000 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Ledbetter Carl (Director)
Shares: 15,000
Est. Value: $3.41M
Form 4
Insider Selling
2026-03-18
NET insider Prince Matthew (Director, CEO & Board Co-Chair, 10% Owner) sold 13,618 shares (~$3.10M)
Prince Matthew, listed as Director, CEO & Board Co-Chair, 10% Owner at Cloudflare, Inc., reported an open-market sale of 13,618 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Prince Matthew (Director, CEO & Board Co-Chair, 10% Owner)
Shares: 13,618
Est. Value: $3.10M
Form 4
Insider Selling
2026-03-18
NET insider Prince Matthew (Director, CEO & Board Co-Chair, 10% Owner) sold 143,534 shares (~$30.56M)
Prince Matthew, listed as Director, CEO & Board Co-Chair, 10% Owner at Cloudflare, Inc., reported an open-market sale of 143,534 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Prince Matthew (Director, CEO & Board Co-Chair, 10% Owner)
Shares: 143,534
Est. Value: $30.56M
Form 4
Insider Selling
2026-03-17
NET insider SEIFERT THOMAS J (Chief Financial Officer) sold 10,341 shares (~$2.20M)
SEIFERT THOMAS J, listed as Chief Financial Officer at Cloudflare, Inc., reported an open-market sale of 10,341 NET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: SEIFERT THOMAS J (Chief Financial Officer)
Shares: 10,341
Est. Value: $2.20M
Form 144
Proposed Insider Sale
2026-03-17
NET Form 144 filed for proposed insider sale by THOMAS SEIFERT (10,341 shares) ~$4.29M
THOMAS SEIFERT filed a Form 144 with the SEC indicating intent to sell NET (Cloudflare, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Filing: Form 144 (Proposed Sale Notice)
Insider: THOMAS SEIFERT
Shares: 10,341
Est. Value: $4.29M
Form 144
Large Proposed Insider Sale
2026-03-16
NET Form 144 filed for proposed insider sale by Matthew Prince (471,456 shares) ~$195.49M
Matthew Prince filed a Form 144 with the SEC indicating intent to sell NET (Cloudflare, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Matthew Prince
Shares: 471,456
Est. Value: $195.49M