Cloudflare, Inc. Forms 3, 4 and 5: Stock Options
Statements of beneficial ownership filed with the SEC by officers, directors and 10% owners: 53 rows in 2026. Transaction codes are the SEC's. Shares and prices are split-adjusted; the as-filed figure is underneath.
- 2026-09-17: Reporting owner SEIFERT THOMAS J; Form 4; Security Employee Stock Option (right to buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
- 2026-09-08: Reporting owner Zatlyn Michelle; Form 4; Security Employee Stock Option (right to buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
- 2026-09-04: Reporting owner Zatlyn Michelle; Form 4; Security Employee Stock Option (right to buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
- 2026-09-03: Reporting owner Zatlyn Michelle; Form 4; Security Employee Stock Option (right to buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
NET insiders transactions against the stock price
Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close
Logarithmic scale. Both lines share the same starting value for the selected range.
Markers: each transaction type positioned at that session's split-adjusted close. Tooltips retain the reported transaction price when available.
| Transaction date | Reporting owner | Form | Security | Transaction | Shares | Price | Price that day | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-09-17 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,000 0 owned after | $2.04 exercise price | $334.19 | 2026-09-21 |
| 2026-09-08 | Zatlyn Michelle Director, Officer (PRESIDENT & BOARD CO-CHAIR) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −33,003 990,090 owned after | $2.04 exercise price | $284.29 | 2026-09-08 |
| 2026-09-04 | Zatlyn Michelle Director, Officer (PRESIDENT & BOARD CO-CHAIR) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −33,003 1,023,093 owned after | $2.04 exercise price | $278.81 | 2026-09-08 |
| 2026-09-03 | Zatlyn Michelle Director, Officer (PRESIDENT & BOARD CO-CHAIR) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −33,003 1,056,096 owned after | $2.04 exercise price | $284.70 | 2026-09-08 |
| 2026-08-21 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −33,003 1,089,099 owned after | $2.04 exercise price | $293.14 | 2026-08-21 |
| 2026-08-20 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −33,003 1,122,102 owned after | $2.04 exercise price | $278.91 | 2026-08-21 |
| 2026-08-19 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −33,003 1,155,105 owned after | $2.04 exercise price | $291.88 | 2026-08-21 |
| 2026-08-17 | Starzak Alissa Michelle Officer (Chief Legal Officer) | 4 | Performance Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −3,333 86,666 owned after | $77.70 exercise price | $307.01 | 2026-08-19 |
| 2026-08-17 | Riley Janel Officer (Chief Accounting Officer) | 4 | Performance Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −1,667 71,668 owned after | $67.79 exercise price | $307.01 | 2026-08-19 |
| 2026-08-17 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,000 10,000 owned after | $2.04 exercise price | $307.01 | 2026-08-19 |
| 2026-08-10 | Graham-Cumming John Director | 4 | Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −2,520 0 owned after | $44.72 exercise price | $310.59 | 2026-08-11 |
| 2026-08-04 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Performance Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −55,000 500,000 owned after | $44.72 exercise price | $301.33 | 2026-08-06 |
| 2026-07-17 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,000 20,000 owned after | $2.04 exercise price | $277.66 | 2026-07-17 |
| 2026-07-15 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −33,003 1,188,108 owned after | $2.04 exercise price | $273.04 | 2026-07-15 |
| 2026-07-14 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −33,003 1,221,111 owned after | $2.04 exercise price | $281.75 | 2026-07-15 |
| 2026-07-13 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −33,058 1,254,114 owned after | $2.04 exercise price | $269.53 | 2026-07-15 |
| 2026-07-06 | Graham-Cumming John Director | 4 | Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −2,520 2,520 owned after | $44.72 exercise price | $247.55 | 2026-07-07 |
| 2026-06-18 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,287,172 owned after | $2.04 exercise price | $224.06 | 2026-06-18 |
| 2026-06-17 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,312,813 owned after | $2.04 exercise price | $226.87 | 2026-06-18 |
| 2026-06-17 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,000 30,000 owned after | $2.04 exercise price | $226.87 | 2026-06-17 |
| 2026-06-16 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,338,454 owned after | $2.04 exercise price | $230.97 | 2026-06-18 |
| 2026-06-15 | Graham-Cumming John Director | 4 | Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −2,520 5,040 owned after | $44.72 exercise price | $235.71 | 2026-06-16 |
| 2026-05-28 | Starzak Alissa Michelle Officer (Chief Legal Officer) | 4 | Performance Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,001 89,999 owned after | $77.70 exercise price | $228.11 | 2026-06-01 |
| 2026-05-27 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,364,095 owned after | $2.04 exercise price | $209.22 | 2026-05-27 |
| 2026-05-26 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,389,736 owned after | $2.04 exercise price | $217.54 | 2026-05-27 |
| 2026-05-22 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,415,377 owned after | $2.04 exercise price | $216.17 | 2026-05-27 |
| 2026-05-18 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,000 40,000 owned after | $2.04 exercise price | $201.75 | 2026-05-19 |
| 2026-05-15 | Riley Janel Officer (Chief Accounting Officer) | 4 | Performance Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −3,333 73,335 owned after | $67.79 exercise price | $197.56 | 2026-05-19 |
| 2026-05-11 | Starzak Alissa Michelle Officer (Chief Legal Officer) | 4 | Performance Stock Option (right to buy) Derivative · Direct | A Grant, award or other acquisition pursuant to Rule 16b-3(d) | +128,000 128,000 owned after | $193.52 exercise price | $193.52 | 2026-05-12 |
| 2026-05-04 | Graham-Cumming John Director | 4 | Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −2,520 7,560 owned after | $44.72 exercise price | $224.17 | 2026-05-05 |
| 2026-04-22 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,441,018 owned after | $2.04 exercise price | $207.56 | 2026-04-22 |
| 2026-04-21 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,466,659 owned after | $2.04 exercise price | $207.67 | 2026-04-22 |
| 2026-04-20 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,492,300 owned after | $2.04 exercise price | $204.81 | 2026-04-22 |
| 2026-04-17 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,000 50,000 owned after | $2.04 exercise price | $200.99 | 2026-04-17 |
| 2026-04-10 holding as of filing | Starzak Alissa Michelle Officer (Chief Legal Officer) | 3 | Employee Stock Option (right to buy) Derivative · Direct | Holding | $2.74 exercise price | 2026-04-10 | ||
| 2026-04-10 holding as of filing | Starzak Alissa Michelle Officer (Chief Legal Officer) | 3 | Performance Stock Option (right to buy) Derivative · Direct | Holding | $77.70 exercise price | 2026-04-10 | ||
| 2026-03-27 | Graham-Cumming John Director | 4 | Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −2,520 10,080 owned after | $44.72 exercise price | $203.02 | 2026-03-30 |
| 2026-03-17 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,341 60,000 owned after | $2.04 exercise price | $211.52 | 2026-03-17 |
| 2026-03-05 | Riley Janel Officer (Chief Accounting Officer) | 4 | Performance Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −23,332 76,668 owned after | $67.79 exercise price | $192.31 | 2026-03-06 |
| 2026-03-05 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,517,941 owned after | $2.04 exercise price | $192.31 | 2026-03-05 |
| 2026-03-04 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,543,582 owned after | $2.04 exercise price | $185.89 | 2026-03-05 |
| 2026-03-03 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,569,223 owned after | $2.04 exercise price | $178.91 | 2026-03-05 |
| 2026-03-02 | Graham-Cumming John Director | 4 | Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −2,520 12,600 owned after | $44.72 exercise price | $181.02 | 2026-03-03 |
| 2026-02-23 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,594,864 owned after | $2.04 exercise price | $160.19 | 2026-02-23 |
| 2026-02-20 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,000 70,341 owned after | $2.04 exercise price | $177.14 | 2026-02-24 |
| 2026-02-20 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,620,505 owned after | $2.04 exercise price | $177.14 | 2026-02-23 |
| 2026-02-19 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,646,146 owned after | $2.04 exercise price | $192.64 | 2026-02-23 |
| 2026-02-09 | Graham-Cumming John Director | 4 | Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −2,520 15,120 owned after | $44.72 exercise price | $173.75 | 2026-02-11 |
| 2026-01-20 | SEIFERT THOMAS J Officer (Chief Financial Officer) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −10,000 80,341 owned after | $2.04 exercise price | $177.42 | 2026-01-21 |
| 2026-01-15 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,671,787 owned after | $2.04 exercise price | $184.14 | 2026-01-15 |
| 2026-01-14 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,697,428 owned after | $2.04 exercise price | $188.39 | 2026-01-15 |
| 2026-01-13 | Zatlyn Michelle Director, Officer (President and Board Co-Chair) | 4 | Employee Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −25,641 1,723,069 owned after | $2.04 exercise price | $188.71 | 2026-01-15 |
| 2026-01-05 | Graham-Cumming John Director | 4 | Stock Option (right to buy) Derivative · Direct | M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | −2,520 17,640 owned after | $44.72 exercise price | $197.66 | 2026-01-06 |