Ken Xie

CIK 1475587 · View on SEC EDGAR ↗

Insider

First SEC filing: June 3, 2026 · Latest: June 3, 2026

On this page

Insider at

Insider transactions

0 buys (P) 7 sells (S) Net: $-27,639,343 + 66 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

66 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 3, 2026 FTNT S 10b5-1 162 $164.49 $26,647 52,972,372 Direct 0.00% Disposed -7.8% (price as of 2026-08-20)
Aug. 3, 2026 FTNT S 10b5-1 47,943 $163.91 $7,858,337 52,972,534 Direct -0.09% Disposed -7.4% (price as of 2026-08-20)
Aug. 3, 2026 FTNT S 10b5-1 67,971 $163.08 $11,084,711 53,020,477 Direct -0.13% Disposed -7.0% (price as of 2026-08-20)
Aug. 3, 2026 FTNT S 10b5-1 7,350 $161.82 $1,189,377 53,088,448 Direct -0.01% Disposed -6.3% (price as of 2026-08-20)
Aug. 3, 2026 FTNT S 10b5-1 19,647 $160.82 $3,159,631 53,095,798 Direct -0.04% Disposed -5.7% (price as of 2026-08-20)
Aug. 3, 2026 FTNT S 10b5-1 18,409 $160.14 $2,948,017 53,115,445 Direct -0.03% Disposed -5.3% (price as of 2026-08-20)
June 2, 2026 FTNT S 9,641 $142.37 $1,372,623 52,972,372 6.6% (price as of 2026-08-20)
Aug. 14, 2024 FTNT S 10b5-1 1,829 $72.08 $131,834 48,864,386 Direct 0.00% Disposed 110.5% (price as of 2026-08-20)
Aug. 14, 2024 FTNT S 10b5-1 20,052 $73.11 $1,466,002 48,844,334 Direct -0.04% Disposed 107.5% (price as of 2026-08-20)
Aug. 14, 2024 FTNT S 10b5-1 1,812 $73.59 $133,345 48,842,522 Direct 0.00% Disposed 106.1% (price as of 2026-08-20)
Aug. 13, 2024 FTNT S 10b5-1 4,335 $70.41 $305,227 48,843,952 Direct -0.01% Disposed 115.5% (price as of 2026-08-20)
Aug. 13, 2024 FTNT S 10b5-1 19,404 $71.21 $1,381,759 48,824,548 Direct -0.04% Disposed 113.0% (price as of 2026-08-20)
July 16, 2024 FTNT S 10b5-1 24,246 $59.66 $1,446,516 48,794,714 Direct -0.05% Disposed 154.3% (price as of 2026-08-20)
July 15, 2024 FTNT S 10b5-1 21,460 $59.95 $1,286,527 48,780,101 Direct -0.04% Disposed 153.0% (price as of 2026-08-20)
July 15, 2024 FTNT S 10b5-1 2,807 $60.49 $169,795 48,777,294 Direct -0.01% Disposed 150.8% (price as of 2026-08-20)
June 12, 2024 FTNT S 10b5-1 7,764 $59.59 $462,657 48,776,386 Direct -0.02% Disposed 154.6% (price as of 2026-08-20)
June 12, 2024 FTNT S 10b5-1 16,492 $60.53 $998,261 48,759,894 Direct -0.03% Disposed 150.6% (price as of 2026-08-20)
June 11, 2024 FTNT S 10b5-1 3,778 $58.73 $221,882 48,762,940 Direct -0.01% Disposed 158.3% (price as of 2026-08-20)
June 11, 2024 FTNT S 10b5-1 20,457 $59.68 $1,220,874 48,742,483 Direct -0.04% Disposed 154.2% (price as of 2026-08-20)
May 15, 2024 FTNT S 10b5-1 24,230 $60.90 $1,475,607 48,725,052 Direct -0.05% Disposed 149.1% (price as of 2026-08-20)
May 14, 2024 FTNT S 10b5-1 20,361 $59.99 $1,221,456 48,711,516 Direct -0.04% Disposed 152.9% (price as of 2026-08-20)
May 14, 2024 FTNT S 10b5-1 3,901 $60.36 $235,464 48,707,615 Direct -0.01% Disposed 151.3% (price as of 2026-08-20)
April 17, 2024 FTNT S 10b5-1 23,904 $64.88 $1,550,892 48,678,410 Direct -0.05% Disposed 133.8% (price as of 2026-08-20)
April 17, 2024 FTNT S 10b5-1 100 $65.52 $6,552 48,678,310 Direct 0.00% Disposed 131.5% (price as of 2026-08-20)
April 16, 2024 FTNT S 10b5-1 23,737 $64.74 $1,536,733 48,660,903 Direct -0.05% Disposed 134.3% (price as of 2026-08-20)
April 16, 2024 FTNT S 10b5-1 255 $65.51 $16,705 48,660,648 Direct 0.00% Disposed 131.6% (price as of 2026-08-20)
March 13, 2024 FTNT S 10b5-1 18,783 $70.65 $1,327,019 48,647,889 Direct -0.04% Disposed 114.7% (price as of 2026-08-20)
March 13, 2024 FTNT S 10b5-1 4,916 $71.15 $349,773 48,642,973 Direct -0.01% Disposed 113.2% (price as of 2026-08-20)
March 12, 2024 FTNT S 10b5-1 23,094 $71.39 $1,648,681 48,625,605 Direct -0.05% Disposed 112.5% (price as of 2026-08-20)
March 12, 2024 FTNT S 10b5-1 600 $71.81 $43,086 48,625,005 Direct 0.00% Disposed 111.3% (price as of 2026-08-20)
Feb. 14, 2024 FTNT S 10b5-1 44,338 $70.51 $3,126,272 51,852,633 Direct -0.09% Disposed 115.1% (price as of 2026-08-20)
Feb. 14, 2024 FTNT S 10b5-1 1,801 $70.10 $126,250 51,850,832 Direct 0.00% Disposed 116.4% (price as of 2026-08-20)
Feb. 13, 2024 FTNT S 10b5-1 33,310 $68.95 $2,296,724 51,826,412 Direct -0.06% Disposed 120.0% (price as of 2026-08-20)
Feb. 13, 2024 FTNT S 10b5-1 12,774 $69.40 $886,516 51,813,638 Direct -0.02% Disposed 118.6% (price as of 2026-08-20)

Showing latest 100 of 503 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Aug. 3, 2026 FTNT Nonqualified Stock Option (right to buy) Common Stock (155,000) $22.90 Feb. 21, 2027 155,000 Disposed
Aug. 1, 2026 FTNT Restricted Stock Units Common Stock (2,275) 2,275 Disposed
Aug. 1, 2026 FTNT Restricted Stock Units Common Stock (4,558) 4,558 Disposed
Aug. 1, 2026 FTNT Restricted Stock Units Common Stock (6,260) 6,260 Disposed
Aug. 14, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,667) $9.81 Feb. 20, 2025 41,667 Disposed
Aug. 13, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,667) $9.81 Feb. 20, 2025 41,667 Disposed
Aug. 1, 2024 FTNT Restricted Stock Units Common Stock (11,335) 11,335 Disposed
Aug. 1, 2024 FTNT Restricted Stock Units Common Stock (6,020) 6,020 Disposed
Aug. 1, 2024 FTNT Restricted Stock Units Common Stock (6,260) 6,260 Disposed
July 17, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,666) $9.81 Feb. 20, 2025 41,666 Disposed
July 15, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,667) $9.81 Feb. 20, 2025 41,667 Disposed
June 12, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,667) $9.81 Feb. 20, 2025 41,667 Disposed
June 11, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,666) $9.81 Feb. 20, 2025 41,666 Disposed
May 15, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,667) $9.81 Feb. 20, 2025 41,667 Disposed
May 14, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,667) $9.81 Feb. 20, 2025 41,667 Disposed
May 1, 2024 FTNT Restricted Stock Units Common Stock (11,330) 11,330 Disposed
May 1, 2024 FTNT Restricted Stock Units Common Stock (6,015) 6,015 Disposed
May 1, 2024 FTNT Restricted Stock Units Common Stock (6,260) 6,260 Disposed
April 17, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,666) $9.81 Feb. 20, 2025 41,666 Disposed
April 16, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,667) $9.81 Feb. 20, 2025 41,667 Disposed
March 13, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,667) $9.81 Feb. 20, 2025 41,667 Disposed
March 12, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (41,666) $9.81 Feb. 20, 2025 41,666 Disposed
Feb. 21, 2024 FTNT Restricted Stock Units Common Stock (72,921) 72,921 Acquired
Feb. 14, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (83,333) $7.45 Feb. 16, 2024 83,333 Disposed
Feb. 13, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (83,333) $7.45 Feb. 16, 2024 83,333 Disposed
Feb. 1, 2024 FTNT Restricted Stock Units Common Stock (12,845) 12,845 Disposed
Feb. 1, 2024 FTNT Restricted Stock Units Common Stock (11,335) 11,335 Disposed
Feb. 1, 2024 FTNT Restricted Stock Units Common Stock (6,015) 6,015 Disposed
Feb. 1, 2024 FTNT Restricted Stock Units Common Stock (25,040) 25,040 Disposed
Feb. 1, 2024 FTNT Performance Stock Units Common Stock (21,834) 21,834 Disposed
Jan. 24, 2024 FTNT Performance Stock Units [F1] Common Stock (21,834) 21,834 Acquired
Jan. 10, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (83,334) $7.45 Feb. 16, 2024 83,334 Disposed
Jan. 9, 2024 FTNT Nonqualified Stock Option (right to buy) Common Stock (83,333) $7.45 Feb. 16, 2024 83,333 Disposed
Dec. 13, 2023 FTNT Nonqualified Stock Option (right to buy) Common Stock (83,334) $7.45 Feb. 16, 2024 83,334 Disposed
Dec. 12, 2023 FTNT Nonqualified Stock Option (right to buy) Common Stock (83,333) $7.45 Feb. 16, 2024 83,333 Disposed
Nov. 1, 2023 FTNT Restricted Stock Units Common Stock (6,020) 6,020 Disposed
Nov. 1, 2023 FTNT Restricted Stock Units Common Stock (11,335) 11,335 Disposed
Nov. 1, 2023 FTNT Restricted Stock Units Common Stock (12,845) 12,845 Disposed
Aug. 1, 2023 FTNT Restricted Stock Units Common Stock (6,015) 6,015 Disposed
Aug. 1, 2023 FTNT Restricted Stock Units Common Stock (11,330) 11,330 Disposed
Aug. 1, 2023 FTNT Restricted Stock Units Common Stock (12,840) 12,840 Disposed
May 1, 2023 FTNT Restricted Stock Units Common Stock (6,015) 6,015 Disposed
May 1, 2023 FTNT Restricted Stock Units Common Stock (11,335) 11,335 Disposed
May 1, 2023 FTNT Restricted Stock Units Common Stock (12,845) 12,845 Disposed
Feb. 27, 2023 FTNT Restricted Stock Units Common Stock (100,160) 100,160 Acquired
Feb. 1, 2023 FTNT Restricted Stock Units Common Stock (24,065) 24,065 Disposed
Feb. 1, 2023 FTNT Restricted Stock Units Common Stock (11,335) 11,335 Disposed
Feb. 1, 2023 FTNT Restricted Stock Units Common Stock (12,845) 12,845 Disposed
Feb. 1, 2023 FTNT Restricted Stock Units Common Stock (15,310) 15,310 Disposed
Nov. 1, 2022 FTNT Restricted Stock Units Common Stock (12,840) 12,840 Disposed
Nov. 1, 2022 FTNT Restricted Stock Units Common Stock (15,310) 15,310 Disposed
Aug. 18, 2022 FTNT Nonqualified Stock Option (right to buy) [F2] Common Stock (300,000) $4.77 Feb. 11, 2023 300,000 Disposed
Aug. 1, 2022 FTNT Restricted Stock Units Common Stock (11,335) 11,335 Disposed
Aug. 1, 2022 FTNT Restricted Stock Units Common Stock (12,845) 12,845 Disposed
Aug. 1, 2022 FTNT Restricted Stock Units Common Stock (15,310) 15,310 Disposed
May 1, 2022 FTNT Restricted Stock Units Common Stock (2,267) 2,267 Disposed
May 1, 2022 FTNT Restricted Stock Units Common Stock (2,568) 2,568 Disposed
May 1, 2022 FTNT Restricted Stock Units Common Stock (3,062) 3,062 Disposed
Feb. 17, 2022 FTNT Employee Stock Option (right to buy) Common Stock (57,759) $310.54 Feb. 17, 2029 57,759 Acquired
Feb. 17, 2022 FTNT Restricted Stock Units Common Stock (19,253) 19,253 Acquired
Feb. 17, 2022 FTNT Employee Stock Option (right to buy) Common Stock (57,759) $310.54 Feb. 17, 2029 57,759 Disposed
Feb. 17, 2022 FTNT Restricted Stock Units Common Stock (19,253) 19,253 Disposed
Feb. 1, 2022 FTNT Restricted Stock Units Common Stock (9,066) 9,066 Disposed
Feb. 1, 2022 FTNT Restricted Stock Units Common Stock (2,569) 2,569 Disposed
Feb. 1, 2022 FTNT Restricted Stock Units Common Stock (3,062) 3,062 Disposed
Feb. 1, 2022 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
Jan. 1, 2022 FTNT Restricted Stock Units Common Stock (11,330) 11,330 Disposed
Nov. 1, 2021 FTNT Restricted Stock Units Common Stock (2,569) 2,569 Disposed
Nov. 1, 2021 FTNT Restricted Stock Units Common Stock (3,062) 3,062 Disposed
Nov. 1, 2021 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
Aug. 1, 2021 FTNT Restricted Stock Units Common Stock (2,568) 2,568 Disposed
Aug. 1, 2021 FTNT Restricted Stock Units Common Stock (3,062) 3,062 Disposed
Aug. 1, 2021 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
May 1, 2021 FTNT Restricted Stock Units Common Stock (2,569) 2,569 Disposed
May 1, 2021 FTNT Restricted Stock Units Common Stock (3,062) 3,062 Disposed
May 1, 2021 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
Feb. 19, 2021 FTNT Employee Stock Option (right to buy) Common Stock (108,801) $171.93 Feb. 19, 2028 108,801 Disposed
Feb. 19, 2021 FTNT Restricted Stock Units Common Stock (36,267) 36,267 Disposed
Feb. 1, 2021 FTNT Restricted Stock Units Common Stock (10,274) 10,274 Disposed
Feb. 1, 2021 FTNT Restricted Stock Units Common Stock (3,062) 3,062 Disposed
Feb. 1, 2021 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
Feb. 1, 2021 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
Nov. 1, 2020 FTNT Restricted Stock Units Common Stock (3,062) 3,062 Disposed
Nov. 1, 2020 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
Nov. 1, 2020 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
Aug. 1, 2020 FTNT Restricted Stock Units Common Stock (3,062) 3,062 Disposed
Aug. 1, 2020 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
Aug. 1, 2020 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
May 1, 2020 FTNT Restricted Stock Units Common Stock (1,519) 1,519 Disposed
May 1, 2020 FTNT Restricted Stock Units Common Stock (1,550) 1,550 Disposed
May 1, 2020 FTNT Restricted Stock Units Common Stock (1,550) 1,550 Disposed
Feb. 21, 2020 FTNT Employee Stock Option (right to buy) Common Stock (123,294) $114.48 Feb. 21, 2027 123,294 Disposed
Feb. 21, 2020 FTNT Restricted Stock Units Common Stock (41,098) 41,098 Disposed
Aug. 1, 2018 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
Aug. 1, 2018 FTNT Restricted Stock Units Common Stock (2,500) 2,500 Disposed
Aug. 1, 2018 FTNT Restricted Stock Units Common Stock (2,500) 2,500 Disposed
May 24, 2018 FTNT Employee Stock Option (right to buy) Common Stock (50,000) $20.13 Aug. 2, 2018 50,000 Disposed
May 1, 2018 FTNT Restricted Stock Units Common Stock (3,125) 3,125 Disposed
May 1, 2018 FTNT Restricted Stock Units Common Stock (2,500) 2,500 Disposed
May 1, 2018 FTNT Restricted Stock Units Common Stock (2,500) 2,500 Disposed

Showing latest 100 of 181 transactions

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 13 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Nov. 17, 2009 FTNT Common Stock 3,518,832 Direct
Nov. 17, 2009 FTNT Common Stock 590,584 Indirect
Nov. 17, 2009 FTNT Common Stock 1,500,000 Indirect
Nov. 17, 2009 FTNT Common Stock 590,584 Indirect
Nov. 17, 2009 FTNT Common Stock 1,500,000 Indirect
Nov. 17, 2009 FTNT Series A Convertible Preferred Stock→ Common Stock (128,000) 128,000 Direct
Nov. 17, 2009 FTNT Series C Convertible Preferred Stock→ Common Stock (426,667) 426,667 Direct
Nov. 17, 2009 FTNT Series D Convertible Preferred Stock→ Common Stock (2,125,000) 2,125,000 Direct
Nov. 17, 2009 FTNT Employee Stock Option (right to buy)→ Common Stock (30,000) 30,000 Direct
Nov. 17, 2009 FTNT Employee Stock Option (right to buy)→ Common Stock (150,000) 150,000 Direct
Nov. 17, 2009 FTNT Employee Stock Option (right to buy)→ Common Stock (75,000) 75,000 Direct
Nov. 17, 2009 FTNT Employee Stock Option (right to buy)→ Common Stock (150,000) 150,000 Direct
Nov. 17, 2009 FTNT Employee Stock Option (right to buy)→ Common Stock (100,000) 100,000 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $597,000 $705,937 $11,458,039
2024 $597,000 $606,493 $13,143,289
2023 $622,000 $15,081,692 $597,921 $16,301,613

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.