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Cloudflare, Inc. planned insider sales

In the last twelve months insiders at Cloudflare, Inc. filed 52 Form 144 notices of planned sales, 3.3 million shares worth $772.6 million at the time of filing, from 10 sellers. The latest, filed 19 October 2026: Thomas Seifert (officer), 12,500 shares worth $3.7 million, planned for around 19 October 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
19 October 2026Thomas SeifertOfficer12,500$3.7 million19 October 202612,500 shares from 19 October 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
5 October 2026Michelle ZatlynOfficer297,027$106.8 million5 October 202699,009 shares from 5 October 2026Goldman Sachs & Co. LLCStock OptionsForm 144
22 September 2026Ledbetter CarlDirector25,000$8.8 million22 September 202610,000 shares from 22 September 2026Stifel Nicolaus & Company IncRestricted Stock UnitsForm 144
17 September 2026Thomas SeifertOfficer10,000$3.2 million17 September 202610,000 shares from 17 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
18 August 2026Alissa M StarzakOfficer2,538$773,27818 August 20265,871 shares from 17 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
17 August 2026Alissa M StarzakOfficer3,333$1.0 million17 August 2026None on Form 4 yetMorgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
17 August 2026Thomas SeifertOfficer10,000$3.2 million17 August 202610,000 shares from 17 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
4 August 2026Thomas SeifertOfficer55,000$15.6 million4 August 202655,000 shares from 4 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
3 August 2026Mark HawkinsDirector133$36,9393 August 2026133 shares from 3 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
17 July 2026Thomas SeifertOfficer10,000$2.7 million17 July 202610,000 shares from 17 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
13 July 2026Michelle ZatlynOfficer297,082$80.1 million13 July 2026297,082 shares from 13 July 2026Goldman Sachs & Co. LLCStock OptionsForm 144
7 July 2026Ledbetter CarlDirector15,000$4.0 million7 July 202615,000 shares from 7 July 2026Stifel Nicolaus & Company IncRestricted Stock UnitsForm 144
6 July 2026John Graham-CummingDirector5,040$1.2 million6 July 20265,040 shares from 6 July 2026Goldman Sachs & Co. LLCStock OptionsForm 144
1 July 2026Mark HawkinsDirector133$33,1171 July 2026133 shares from 1 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
1 July 2026Matthew PrinceOfficer471,486$116.1 million1 July 2026314,337 shares from 1 July 2026Goldman Sachs & Co. LLCAcquired as a gift; Originally acquired Class B common shares from Issuer in private transaction; Class B common shares to be converted to Class A common shares in connection with any sales.Form 144
22 June 2026Matthew PrinceOfficer157,152$34.3 million22 June 2026157,152 shares from 22 June 2026Goldman Sachs & Co. LLCPerformance Awards; Restricted Stock Units; Originally acquired Class B common shares from Issuer in private transaction; Class B common shares to be converted to Class A common shares in connection with any sales.Form 144
17 June 2026Thomas SeifertOfficer10,000$2.3 million17 June 202610,000 shares from 17 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
8 June 2026Katrin Susanne SuderDirector293$74,1068 June 2026293 shares from 8 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
1 June 2026Mark HawkinsDirector133$32,7741 June 2026133 shares from 1 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
28 May 2026Alissa M StarzakOfficer16,243$3.5 million28 May 202616,243 shares from 28 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock; Stock Option ExerciseForm 144
26 May 2026Douglas KramerOfficer18,000$3.9 million26 May 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
22 May 2026Michelle ZatlynOfficer163,285$35.3 million22 May 2026163,285 shares from 22 May 2026Goldman Sachs & Co. LLCRestricted Stock Units; Stock OptionsForm 144
18 May 2026Douglas KramerOfficer6,000$1.2 million18 May 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
18 May 2026Thomas SeifertOfficer10,000$2.0 million18 May 202610,000 shares from 18 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
12 May 2026Kramer Douglas JamesFormer Chief Legal Officer6,000$1.2 million11 May 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
1 May 2026Mark HawkinsDirector133$28,1451 May 2026133 shares from 1 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
28 April 2026Ledbetter CarlDirector45,000$9.7 million28 April 202645,000 shares from 28 April 2026Stifel Nicolaus & Company IncRestricted Stock UnitsForm 144
17 April 2026Thomas SeifertOfficer10,000$2.0 million17 April 202610,000 shares from 17 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
1 April 2026Mark HawkinsDirector133$27,8771 April 2026133 shares from 1 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
27 March 2026John Graham-CummingDirector8,684$1.8 million27 March 20268,684 shares from 27 March 2026Goldman Sachs & Co. LLCRestricted Stock Units; Stock OptionsForm 144
17 March 2026Thomas SeifertOfficer10,341$2.1 million17 March 202610,341 shares from 17 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
16 March 2026Matthew PrinceOfficer471,456$97.7 million16 March 2026471,456 shares from 16 March 2026Goldman Sachs & Co. LLCPerformance Awards; Restricted Stock Units; Originally acquired Class B common shares from Issuer in private transaction; Class B common shares to be converted to Class A common shares in connection with any sales.Form 144
2 March 2026Mark HawkinsDirector133$22,4262 March 2026133 shares from 2 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
20 February 2026Thomas SeifertOfficer41,557$8.0 million20 February 202641,557 shares from 20 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
19 February 2026Michelle ZatlynOfficer240,208$46.3 million19 February 2026240,208 shares from 19 February 2026Goldman Sachs & Co. LLCRestricted Stock Units; Stock OptionsForm 144
2 February 2026Mark HawkinsDirector134$23,6092 February 2026134 shares from 2 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
2 February 2026Douglas KramerOfficer3,000$528,5702 February 20263,000 shares from 2 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
27 January 2026Ledbetter CarlOfficer60,000$12.7 million27 January 202630,000 shares from 27 January 2026Stifel Nicolaus & Company IncRestricted Stock UnitsForm 144
20 January 2026Thomas SeifertOfficer10,000$1.8 million20 January 202610,000 shares from 20 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
2 January 2026Mark HawkinsDirector134$26,6532 January 2026134 shares from 2 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
2 January 2026Douglas KramerOfficer9,000$1.8 million2 January 20269,000 shares from 2 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
22 December 2025Katrin Susanne SuderDirector2,031$406,20022 December 20252,031 shares from 22 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
22 December 2025Thomas SeifertOfficer10,000$2.0 million22 December 202510,000 shares from 22 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
15 December 2025John Graham-CummingDirector10,080$2.0 million15 December 202510,080 shares from 15 December 2025Goldman Sachs & Co. LLCStock OptionsForm 144
3 December 2025Matthew PrinceOfficer471,456$96.3 million3 December 2025471,456 shares from 3 December 2025Goldman Sachs & Co. LLCPerformance Awards; Restricted Stock Units; Originally acquired Class B common shares from Issuer in private transaction; Class B common shares to be converted to Class A common shares in connection with any sales.Form 144
1 December 2025Mark HawkinsDirector134$26,4851 December 2025134 shares from 1 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
1 December 2025Douglas KramerOfficer3,000$590,5091 December 20253,000 shares from 1 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
20 November 2025Thomas SeifertOfficer41,555$8.2 million20 November 202541,555 shares from 20 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
20 November 2025Michelle ZatlynOfficer240,227$46.0 million20 November 2025240,227 shares from 20 November 2025Goldman Sachs & Co. LLCRestricted Stock Units; Stock OptionsForm 144
19 November 2025Katrin Susanne SuderDirector2,031$398,84819 November 20252,031 shares from 19 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
3 November 2025Mark HawkinsDirector1,000$254,1503 November 20251,000 shares from 3 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
3 November 2025Douglas KramerOfficer3,000$766,5993 November 20253,000 shares from 3 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?