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BCS

Changes in Beneficial Ownership · 4

Cloudflare, Inc.

NETNYSEEQUITYCurrent

Changes in Beneficial Ownership

Filed Oct 19, 2026Accepted Oct 19, 2026, 7:04 PM EDTFiling CIK 1477333Accession 0001473289-26-000031
Share

Structured filing — 4

wk-form4_1792451081.xml

Open full document ↗

Filing details

Report period
2026-10-15
Issuer
Cloudflare, Inc.
Issuer CIK
0001477333
Trading symbol
NET
Rule 10b5-1 indication
Checked

Reporting owner 1

Name
SEIFERT THOMAS J
Reporting owner CIK
0001473289
Relationship
Officer
Officer title
Chief Financial Officer
Address
C/O CLOUDFLARE, INC., 405 COMAL STREET, AUSTIN, TX, 78702

Non-derivative transactions

Non-derivative transactions · 9 reported rows
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Class A Common Stock2026-10-15F · Form 4[F1]2,944D316.32104,958D
Class A Common Stock2026-10-19M · Form 412,500A44.72117,458D
Class A Common Stock2026-10-19S · Form 4[F2]1,100D297.2919[F3]116,358D
Class A Common Stock2026-10-19S · Form 4[F2]3,401D298.3212[F4]112,957D
Class A Common Stock2026-10-19S · Form 4[F2]3,756D299.3555[F5]109,201D
Class A Common Stock2026-10-19S · Form 4[F2]2,643D300.3914[F6]106,558D
Class A Common Stock2026-10-19S · Form 4[F2]598D301.9943[F7]105,960D
Class A Common Stock2026-10-19S · Form 4[F2]502D303.2558[F8]105,458D
Class A Common Stock2026-10-19S · Form 4[F2]500D304.15[F9]104,958D
Table key
F · Form 4
Securities delivered or withheld for exercise price or tax liability under Rule 16b-3
D
Direct
M · Form 4
Exempt derivative exercise or conversion under Rule 16b-3
A
Acquired
S · Form 4
Sale on the market or privately

Non-derivative holdings

Non-derivative holdings · 1 reported row
SecurityAmount ownedOwnershipNature of ownership
Class A Common Stock92,337ISee footnote[F10]
Table key
I
Indirect

Derivative transactions

Derivative transactions · 1 reported row
SecurityConversion / exercise price (USD)Transaction dateCodeAmountA / DPrice (USD)ExercisableExpiresUnderlying securityUnderlying sharesOwned afterOwnership
Performance Stock Option (right to buy)44.722026-10-19M · Form 412,500D0[F11]2032-02-13Class A Common Stock12,500487,500D
Table key
M · Form 4
Exempt derivative exercise or conversion under Rule 16b-3
D
Direct

Footnotes

F1
The shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.↩ 1
F2
The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.↩ 1↩ 2↩ 3↩ 4↩ 5↩ 6↩ 7
F3
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $296.84 to $297.75, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) through (9) to this Form 4.↩ 1
F4
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $297.90 to $298.85, inclusive.↩ 1
F5
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $298.93 to $299.92, inclusive.↩ 1
F6
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $299.93 to $300.91, inclusive.↩ 1
F7
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $301.55 to $302.29, inclusive.↩ 1
F8
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $302.57 to $303.56, inclusive.↩ 1
F9
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $303.91 to $304.48, inclusive.↩ 1
F10
The shares are held of record by the 2026 Seifert Grantor Retained Annuity Trust dated May 27, 2026, for which the reporting person serves as trustee.↩ 1
F11
The shares subject to the Performance Stock Option are comprised of nine separate tranches that become eligible to vest upon achievement of certain stock price targets (the "Stock Price Goals"). Upon satisfaction of a Stock Price Goal, 1/6 of the shares subject to the applicable tranche vests and becomes exercisable on each Issuer quarterly vesting date (2/15, 5/15, 8/15 or 11/15) occurring on or after the date of certification of achievement of the applicable Stock Price Goal for such tranche. As of the date of this report, six of the nine stock price goals have been satisfied and the underlying shares vest as set forth above. The remaining three tranches, representing 277,500 shares subject to the Performance Stock Option, become eligible to vest upon achievement of the applicable Stock Price Goal.↩ 1

Signature 1

Signed
/s/ Charlotte Bowe, by power of attorney
Date
2026-10-19

Company context

Current securities

Recent company filings

  1. 4 filingOct 19, 2026
  2. 144 filingOct 19, 2026
  3. 4 filingSep 23, 2026
  4. 144 filingSep 22, 2026
  5. 4 filingSep 21, 2026

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