Xie Ken
Director · Officer · FTNT
As of 2026-09-27, Xie Ken has 239 Form 4 transactions on record across 1 company — 69 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $53.2M
- Indirect $0
| FTNT | direct | 306,470 sh | $53.2M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-03 | FTNT | Sale | 67,971 @ $163.08 | $11.1M | −0.1% of holding | 53,020,477 | Form 4 |
| 2026-08-03 | FTNT | Sale | 47,943 @ $163.91 | $7.9M | −0.1% of holding | 52,972,534 | Form 4 |
| 2026-08-03 | FTNT | Sale | 19,647 @ $160.82 | $3.2M | −0.0% of holding | 53,095,798 | Form 4 |
| 2026-08-03 | FTNT | Sale | 18,409 @ $160.14 | $2.9M | −0.0% of holding | 53,115,445 | Form 4 |
| 2026-08-03 | FTNT | Sale | 7,350 @ $161.82 | $1.2M | −0.0% of holding | 53,088,448 | Form 4 |
| 2026-08-03 | FTNT | Sale | 162 @ $164.49 | $27K | −0.0% of holding | 52,972,372 | Form 4 |
| 2026-06-02 | FTNT | Sale | 39,854 @ $144.29 | $5.8M | −0.1% of holding | 53,063,642 | Form 4 |
| 2026-06-02 | FTNT | Sale | 37,540 @ $146.36 | $5.5M | −0.1% of holding | 53,013,281 | Form 4 |
| 2026-06-02 | FTNT | Sale | 19,867 @ $143.43 | $2.8M | −0.0% of holding | 53,103,496 | Form 4 |
| 2026-06-02 | FTNT | Sale | 18,492 @ $148.24 | $2.7M | −0.0% of holding | 52,980,999 | Form 4 |
| 2026-06-02 | FTNT | Sale | 13,790 @ $147.37 | $2.0M | −0.0% of holding | 52,999,491 | Form 4 |
| 2026-06-02 | FTNT | Sale | 12,821 @ $145.04 | $1.9M | −0.0% of holding | 53,050,821 | Form 4 |
| 2026-06-02 | FTNT | Sale | 9,641 @ $142.37 | $1.4M | −0.0% of holding | 53,123,363 | Form 4 |
| 2026-06-02 | FTNT | Sale | 8,627 @ $148.94 | $1.3M | −0.0% of holding | 52,972,372 | Form 4 |
| 2026-05-04 | FTNT | Sale | 4,383 @ $89.12 | $391K | −0.0% of holding | 52,978,141 | Form 4 |
| 2026-05-04 | FTNT | Sale | 425 @ $88.09 | $37K | −0.0% of holding | 52,982,524 | Form 4 |
| 2026-05-04 | FTNT | Sale | 410 @ $87.04 | $36K | −0.0% of holding | 52,982,949 | Form 4 |
| 2026-05-04 | FTNT | Sale | 137 @ $89.61 | $12K | −0.0% of holding | 52,978,004 | Form 4 |
| 2026-02-02 | FTNT | Sale | 94,170 @ $81.72 | $7.7M | −0.2% of holding | 51,397,560 | Form 4 |
| 2026-02-02 | FTNT | Sale | 80,392 @ $81.06 | $6.5M | −0.2% of holding | 51,491,730 | Form 4 |
| 2026-02-02 | FTNT | Sale | 1,175 @ $82.33 | $97K | −0.0% of holding | 51,396,385 | Form 4 |
| 2025-11-03 | FTNT | Sale | 60,146 @ $87.33 | $5.3M | −0.1% of holding | 51,391,879 | Form 4 |
| 2025-11-03 | FTNT | Sale | 57,868 @ $86.36 | $5.0M | −0.1% of holding | 51,452,025 | Form 4 |
| 2025-11-03 | FTNT | Sale | 40,471 @ $85.50 | $3.5M | −0.1% of holding | 51,509,893 | Form 4 |
| 2025-08-04 | FTNT | Sale | 129,209 @ $98.44 | $12.7M | −0.3% of holding | 51,416,256 | Form 4 |
| 2025-08-04 | FTNT | Sale | 24,377 @ $98.94 | $2.4M | −0.0% of holding | 51,391,879 | Form 4 |
| 2025-08-04 | FTNT | Sale | 4,900 @ $97.35 | $477K | −0.0% of holding | 51,545,465 | Form 4 |
| 2025-05-02 | FTNT | Sale | 120,952 @ $106.24 | $12.8M | −0.2% of holding | 51,391,879 | Form 4 |
| 2025-05-02 | FTNT | Sale | 37,536 @ $105.64 | $4.0M | −0.1% of holding | 51,512,831 | Form 4 |
| 2025-03-10 | FTNT | Sale | 93,941 @ $96.29 | $9.0M | −0.2% of holding | 51,503,938 | Form 4 |
| 2025-03-10 | FTNT | Sale | 79,479 @ $97.05 | $7.7M | −0.2% of holding | 51,424,459 | Form 4 |
| 2025-03-10 | FTNT | Sale | 23,597 @ $98.30 | $2.3M | −0.0% of holding | 51,400,862 | Form 4 |
| 2025-03-10 | FTNT | Sale | 8,983 @ $98.97 | $889K | −0.0% of holding | 51,391,879 | Form 4 |
| 2025-02-12 | FTNT | Sale | 8,534 @ $107.20 | $915K | −0.0% of holding | 51,451,246 | Form 4 |
| 2025-02-12 | FTNT | Sale | 7,520 @ $106.09 | $798K | −0.0% of holding | 51,459,780 | Form 4 |
| 2025-02-12 | FTNT | Sale | 3,367 @ $107.65 | $362K | −0.0% of holding | 51,447,879 | Form 4 |
| 2025-02-12 | FTNT | Sale | 3,300 @ $105.22 | $347K | −0.0% of holding | 51,467,300 | Form 4 |
| 2025-02-11 | FTNT | Sale | 16,357 @ $108.54 | $1.8M | −0.0% of holding | 51,435,276 | Form 4 |
| 2025-02-11 | FTNT | Sale | 6,243 @ $109.30 | $682K | −0.0% of holding | 51,429,033 | Form 4 |
| 2025-02-11 | FTNT | Sale | 100 @ $109.99 | $11K | −0.0% of holding | 51,428,933 | Form 4 |
| 2025-01-15 | FTNT | Sale | 22,344 @ $93.30 | $2.1M | −0.0% of holding | 49,040,398 | Form 4 |
| 2025-01-15 | FTNT | Sale | 700 @ $93.92 | $66K | −0.0% of holding | 49,039,698 | Form 4 |
| 2025-01-14 | FTNT | Sale | 13,302 @ $92.53 | $1.2M | −0.0% of holding | 49,021,076 | Form 4 |
| 2025-01-14 | FTNT | Sale | 9,711 @ $91.90 | $892K | −0.0% of holding | 49,034,378 | Form 4 |
| 2024-12-18 | FTNT | Sale | 6,144 @ $95.58 | $587K | −0.0% of holding | 49,011,033 | Form 4 |
| 2024-12-18 | FTNT | Sale | 5,300 @ $96.33 | $511K | −0.0% of holding | 49,005,733 | Form 4 |
| 2024-12-18 | FTNT | Sale | 4,621 @ $93.53 | $432K | −0.0% of holding | 49,020,729 | Form 4 |
| 2024-12-18 | FTNT | Sale | 3,552 @ $94.44 | $335K | −0.0% of holding | 49,017,177 | Form 4 |
| 2024-12-18 | FTNT | Sale | 2,911 @ $97.59 | $284K | −0.0% of holding | 49,002,822 | Form 4 |
| 2024-12-18 | FTNT | Sale | 400 @ $98.31 | $39K | −0.0% of holding | 49,002,422 | Form 4 |
| 2024-12-17 | FTNT | Sale | 14,416 @ $97.57 | $1.4M | −0.0% of holding | 48,992,183 | Form 4 |
| 2024-12-17 | FTNT | Sale | 7,700 @ $98.46 | $758K | −0.0% of holding | 48,984,483 | Form 4 |
| 2024-12-17 | FTNT | Sale | 800 @ $99.21 | $79K | −0.0% of holding | 48,983,683 | Form 4 |
| 2024-11-13 | FTNT | Sale | 10,145 @ $98.15 | $996K | −0.0% of holding | 48,977,684 | Form 4 |
| 2024-11-13 | FTNT | Sale | 7,538 @ $100.13 | $755K | −0.0% of holding | 48,964,933 | Form 4 |
| 2024-11-13 | FTNT | Sale | 5,213 @ $99.14 | $517K | −0.0% of holding | 48,972,471 | Form 4 |
| 2024-11-12 | FTNT | Sale | 18,807 @ $98.65 | $1.9M | −0.0% of holding | 48,946,562 | Form 4 |
| 2024-11-12 | FTNT | Sale | 3,731 @ $97.91 | $365K | −0.0% of holding | 48,965,369 | Form 4 |
| 2024-11-12 | FTNT | Sale | 400 @ $99.31 | $40K | −0.0% of holding | 48,946,162 | Form 4 |
| 2024-10-16 | FTNT | Sale | 23,207 @ $81.89 | $1.9M | −0.0% of holding | 48,915,630 | Form 4 |
| 2024-10-16 | FTNT | Sale | 100 @ $82.45 | $8K | −0.0% of holding | 48,915,530 | Form 4 |
| 2024-10-15 | FTNT | Sale | 23,302 @ $82.63 | $1.9M | −0.0% of holding | 48,897,171 | Form 4 |
| 2024-09-18 | FTNT | Sale | 22,438 @ $74.90 | $1.7M | −0.0% of holding | 48,879,906 | Form 4 |
| 2024-09-18 | FTNT | Sale | 1,100 @ $75.66 | $83K | −0.0% of holding | 48,878,806 | Form 4 |
| 2024-09-17 | FTNT | Sale | 23,511 @ $75.75 | $1.8M | −0.0% of holding | 48,860,677 | Form 4 |
| 2024-08-14 | FTNT | Sale | 20,052 @ $73.11 | $1.5M | −0.0% of holding | 48,844,334 | Form 4 |
| 2024-08-14 | FTNT | Sale | 1,812 @ $73.59 | $133K | −0.0% of holding | 48,842,522 | Form 4 |
| 2024-08-14 | FTNT | Sale | 1,829 @ $72.08 | $132K | −0.0% of holding | 48,864,386 | Form 4 |
| 2024-08-13 | FTNT | Sale | 19,404 @ $71.21 | $1.4M | −0.0% of holding | 48,824,548 | Form 4 |
| 2024-08-13 | FTNT | Sale | 4,335 @ $70.41 | $305K | −0.0% of holding | 48,843,952 | Form 4 |
| 2024-07-16 | FTNT | Sale | 24,246 @ $59.66 | $1.4M | −0.0% of holding | 48,794,714 | Form 4 |
| 2024-07-15 | FTNT | Sale | 21,460 @ $59.95 | $1.3M | −0.0% of holding | 48,780,101 | Form 4 |
| 2024-07-15 | FTNT | Sale | 2,807 @ $60.49 | $170K | −0.0% of holding | 48,777,294 | Form 4 |
| 2024-06-12 | FTNT | Sale | 16,492 @ $60.53 | $998K | −0.0% of holding | 48,759,894 | Form 4 |
| 2024-06-12 | FTNT | Sale | 7,764 @ $59.59 | $463K | −0.0% of holding | 48,776,386 | Form 4 |
| 2024-06-11 | FTNT | Sale | 20,457 @ $59.68 | $1.2M | −0.0% of holding | 48,742,483 | Form 4 |
| 2024-06-11 | FTNT | Sale | 3,778 @ $58.73 | $222K | −0.0% of holding | 48,762,940 | Form 4 |
| 2024-05-15 | FTNT | Sale | 24,230 @ $60.90 | $1.5M | −0.0% of holding | 48,725,052 | Form 4 |
| 2024-05-14 | FTNT | Sale | 20,361 @ $59.99 | $1.2M | −0.0% of holding | 48,711,516 | Form 4 |
| 2024-05-14 | FTNT | Sale | 3,901 @ $60.36 | $235K | −0.0% of holding | 48,707,615 | Form 4 |
151 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-03 | FTNT | Option exercise | 155,000 | 53,133,854 | Form 4 |
| 2026-08-03 | FTNT | Option exercise | 155,000 | 306,470 | Form 4 |
| 2026-08-01 | FTNT | Withheld for tax | 6,611 | 52,978,854 | Form 4 |
| 2026-08-01 | FTNT | Option exercise | 4,558 | 52,983,190 | Form 4 |
| 2026-08-01 | FTNT | Option exercise | 2,275 | 22,754 | Form 4 |
| 2026-08-01 | FTNT | Option exercise | 4,558 | 27,346 | Form 4 |
| 2026-08-01 | FTNT | Option exercise | 6,260 | 12,520 | Form 4 |
| 2026-08-01 | FTNT | Option exercise | 2,275 | 52,985,465 | Form 4 |
| 2026-08-01 | FTNT | Option exercise | 6,260 | 52,978,632 | Form 4 |
| 2026-06-02 | FTNT | Option exercise | 155,000 | 53,133,004 | Form 4 |
| 2026-06-02 | FTNT | Option exercise | 155,000 | 461,470 | Form 4 |
| 2026-05-01 | FTNT | Withheld for tax | 6,611 | 52,983,359 | Form 4 |
| 2026-05-01 | FTNT | Option exercise | 6,260 | 18,780 | Form 4 |
| 2026-05-01 | FTNT | Option exercise | 6,260 | 52,983,138 | Form 4 |
| 2026-05-01 | FTNT | Option exercise | 4,557 | 52,987,695 | Form 4 |
| 2026-05-01 | FTNT | Option exercise | 2,275 | 52,989,970 | Form 4 |
| 2026-05-01 | FTNT | Option exercise | 2,275 | 25,029 | Form 4 |
| 2026-05-01 | FTNT | Option exercise | 4,557 | 31,904 | Form 4 |
| 2026-04-17 | FTNT | Gift | 236,431 | 472,862 | Form 4 |
| 2026-04-17 | FTNT | Gift | 236,431 | 0 | Form 4 |
| 2026-04-17 | FTNT | Gift | 236,431 | 236,431 | Form 4 |
| 2026-02-20 | FTNT | Award / grant | 31,320 | 31,320 | Form 4 |
| 2026-02-02 | FTNT | Option exercise | 134,880 | 51,572,122 | Form 4 |
| 2026-02-02 | FTNT | Option exercise | 134,880 | 0 | Form 4 |
| 2026-02-01 | FTNT | Withheld for tax | 42,685 | 51,437,242 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 62,109 | 0 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 9,101 | 27,304 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 62,109 | 51,479,927 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 9,101 | 51,417,818 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 4,558 | 51,408,717 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 6,260 | 51,404,159 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 6,020 | 51,397,899 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 4,558 | 36,461 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 6,020 | 0 | Form 4 |
| 2026-02-01 | FTNT | Option exercise | 6,260 | 25,040 | Form 4 |
| 2026-01-16 | FTNT | Award / grant | 62,109 | 62,109 | Form 4 |
| 2025-11-03 | FTNT | Option exercise | 150,000 | 51,550,364 | Form 4 |
| 2025-11-03 | FTNT | Option exercise | 150,000 | 134,880 | Form 4 |
| 2025-11-01 | FTNT | Withheld for tax | 8,347 | 51,400,364 | Form 4 |
| 2025-11-01 | FTNT | Option exercise | 4,557 | 41,019 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.