Mark B Templeton
Insider
First SEC filing: June 2, 2026 · Latest: June 2, 2026
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-985,795
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 8, 2026 | ANET | S 10b5-1 | 1,300 | $195.27 | $253,851 | 57,110 Direct | -2.23% | Disposed | 6.2% (price as of 2026-10-02) |
| Sept. 8, 2026 | ANET | S 10b5-1 | 700 | $196.20 | $137,340 | 56,410 Direct | -1.23% | Disposed | 5.7% (price as of 2026-10-02) |
| Sept. 8, 2026 | ANET | S 10b5-1 | 1,000 | $197.46 | $197,460 | 55,410 Direct | -1.77% | Disposed | 5.0% (price as of 2026-10-02) |
| Sept. 8, 2026 | ANET | S 10b5-1 | 1,700 | $198.44 | $337,348 | 53,710 Direct | -3.07% | Disposed | 4.5% (price as of 2026-10-02) |
| Sept. 8, 2026 | ANET | S 10b5-1 | 300 | $199.32 | $59,796 | 53,410 Direct | -0.56% | Disposed | 4.0% (price as of 2026-10-02) |
| Aug. 20, 2026 | ANET | M | 538 | · | · | 58,410 Direct | +0.93% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2026 | ANET | M | 538 | · | · | 1,615 Direct | -24.99% | Disposed | (price as of 2026-10-02) |
| May 29, 2026 | ANET | A | 2,153 | · | · | 2,153 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2026 | ANET | M | 971 | · | · | 57,872 Direct | +1.71% | Acquired | (price as of 2026-10-02) |
| May 20, 2026 | ANET | M | 971 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2026 | ANET | M | 971 | · | · | 56,901 Direct | +1.74% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2026 | ANET | M | 971 | · | · | 971 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Dec. 12, 2025 | NTNX | A | 4,588 | · | · | 29,711 Direct | +18.26% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2025 | ANET | M | 971 | · | · | 55,930 Direct | +1.77% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2025 | ANET | M | 971 | · | · | 1,942 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Aug. 20, 2025 | ANET | M | 971 | · | · | 54,959 Direct | +1.80% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2025 | ANET | M | 971 | · | · | 2,913 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| May 30, 2025 | ANET | A | 3,884 | · | · | 3,884 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2025 | ANET | M | 844 | · | · | 53,988 Direct | +1.59% | Acquired | (price as of 2026-10-02) |
| May 20, 2025 | ANET | M | 844 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2025 | ANET | M | 844 | · | · | 53,144 Direct | +1.61% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2025 | ANET | M | 844 | · | · | 844 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Dec. 13, 2024 | NTNX | A | 3,646 | · | · | 25,123 Direct | +16.98% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2024 | ANET | M | 212 | · | · | 13,075 Direct | +1.65% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2024 | ANET | M | 212 | · | · | 422 Direct | -33.44% | Disposed | (price as of 2026-10-02) |
| Aug. 20, 2024 | ANET | M | 211 | · | · | 12,863 Direct | +1.67% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2024 | ANET | M | 211 | · | · | 634 Direct | -24.97% | Disposed | (price as of 2026-10-02) |
| June 7, 2024 | ANET | A | 845 | · | · | 845 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2024 | ANET | M | 372 | · | · | 12,652 Direct | +3.03% | Acquired | (price as of 2026-10-02) |
| May 20, 2024 | ANET | M | 372 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2024 | ANET | M | 373 | · | · | 12,280 Direct | +3.13% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2024 | ANET | M | 373 | · | · | 372 Direct | -50.07% | Disposed | (price as of 2026-10-02) |
| Dec. 8, 2023 | NTNX | A | 6,088 | · | · | 21,477 Direct | +39.56% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2023 | ANET | M | 372 | · | · | 11,907 Direct | +3.22% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2023 | ANET | M | 372 | · | · | 745 Direct | -33.30% | Disposed | (price as of 2026-10-02) |
| Aug. 21, 2023 | ANET | M | 373 | · | · | 11,535 Direct | +3.34% | Acquired | (price as of 2026-10-02) |
| Aug. 21, 2023 | ANET | M | 373 | · | · | 1,117 Direct | -25.03% | Disposed | (price as of 2026-10-02) |
| July 24, 2023 | NTNX | A | 3,389 | · | · | 15,389 Direct | +28.24% | Acquired | (price as of 2026-10-02) |
| June 14, 2023 | HCAT | A | 5,359 | · | · | 26,855 Direct | +24.93% | Acquired | (price as of 2026-10-02) |
| June 14, 2023 | HCAT | A | 12,505 | · | · | 39,360 Direct | +46.56% | Acquired | (price as of 2026-10-02) |
| June 14, 2023 | ANET | A | 1,490 | · | · | 1,490 Direct | · | Acquired | (price as of 2026-10-02) |
| May 22, 2023 | ANET | M | 510 | · | · | 11,162 Direct | +4.79% | Acquired | (price as of 2026-10-02) |
| May 22, 2023 | ANET | M | 510 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 21, 2023 | ANET | M | 511 | · | · | 10,652 Direct | +5.04% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2023 | ANET | M | 511 | · | · | 510 Direct | -50.05% | Disposed | (price as of 2026-10-02) |
| Nov. 21, 2022 | ANET | M | 510 | · | · | 10,141 Direct | +5.30% | Acquired | (price as of 2026-10-02) |
| Nov. 21, 2022 | ANET | M | 510 | · | · | 1,021 Direct | -33.31% | Disposed | (price as of 2026-10-02) |
| Aug. 22, 2022 | ANET | M | 511 | · | · | 9,631 Direct | +5.60% | Acquired | (price as of 2026-10-02) |
| Aug. 22, 2022 | ANET | M | 511 | · | · | 1,531 Direct | -25.02% | Disposed | (price as of 2026-10-02) |
| June 14, 2022 | HCAT | A | 11,677 | · | · | 21,496 Direct | +118.92% | Acquired | (price as of 2026-10-02) |
| May 31, 2022 | ANET | A | 2,042 | · | · | 2,042 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2022 | ANET | M | 692 | · | · | 9,120 Direct | +8.21% | Acquired | (price as of 2026-10-02) |
| May 20, 2022 | ANET | M | 692 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 22, 2022 | ANET | M | 696 | · | · | 8,428 Direct | +9.00% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2022 | ANET | M | 696 | · | · | 692 Direct | -50.14% | Disposed | (price as of 2026-10-02) |
| Dec. 21, 2021 | ANET | G | 18,800 | · | · | 7,732 Direct | -70.86% | Disposed | (price as of 2026-10-02) |
| Dec. 21, 2021 | ANET | G | 18,800 | · | · | 18,800 Indirect | · | Acquired | (price as of 2026-10-02) |
| Nov. 22, 2021 | ANET | M | 692 | · | · | 26,532 Direct | +2.68% | Acquired | (price as of 2026-10-02) |
| Nov. 22, 2021 | ANET | M | 692 | · | · | 1,388 Direct | -33.27% | Disposed | (price as of 2026-10-02) |
| Aug. 20, 2021 | ANET | M | 174 | · | · | 6,460 Direct | +2.77% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2021 | ANET | M | 174 | · | · | 520 Direct | -25.07% | Disposed | (price as of 2026-10-02) |
| June 10, 2021 | HCAT | A | 3,285 | · | · | 9,819 Direct | +50.28% | Acquired | (price as of 2026-10-02) |
| June 1, 2021 | ANET | A | 694 | · | · | 694 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2021 | ANET | M | 261 | · | · | 6,286 Direct | +4.33% | Acquired | (price as of 2026-10-02) |
| May 20, 2021 | ANET | M | 261 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 22, 2021 | ANET | M | 262 | · | · | 6,025 Direct | +4.55% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2021 | ANET | M | 262 | · | · | 261 Direct | -50.10% | Disposed | (price as of 2026-10-02) |
| Nov. 20, 2020 | ANET | M | 261 | · | · | 5,763 Direct | +4.74% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2020 | ANET | M | 261 | · | · | 523 Direct | -33.29% | Disposed | (price as of 2026-10-02) |
| Aug. 20, 2020 | ANET | M | 262 | · | · | 5,502 Direct | +5.00% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2020 | ANET | M | 262 | · | · | 784 Direct | -25.05% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2020 | HCAT | A | 6,534 | · | · | 6,534 Direct | · | Acquired | (price as of 2026-10-02) |
| May 27, 2020 | ANET | A | 1,046 | · | · | 1,046 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2020 | ANET | M | 437 | · | · | 5,240 Direct | +9.10% | Acquired | (price as of 2026-10-02) |
| May 20, 2020 | ANET | M | 437 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2020 | ANET | M | 436 | · | · | 4,803 Direct | +9.98% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2020 | ANET | M | 436 | · | · | 437 Direct | -49.94% | Disposed | (price as of 2026-10-02) |
| Nov. 20, 2019 | ANET | M | 437 | · | · | 4,367 Direct | +11.12% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2019 | ANET | M | 437 | · | · | 873 Direct | -33.36% | Disposed | (price as of 2026-10-02) |
| Aug. 20, 2019 | ANET | M | 437 | · | · | 3,930 Direct | +12.51% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2019 | ANET | M | 437 | · | · | 1,310 Direct | -25.01% | Disposed | (price as of 2026-10-02) |
| May 20, 2019 | ANET | M | 437 | · | · | 3,493 Direct | +14.30% | Acquired | (price as of 2026-10-02) |
| May 20, 2019 | ANET | M | 437 | · | · | 1,747 Direct | -20.01% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2019 | ANET | M | 436 | · | · | 3,056 Direct | +16.64% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2019 | ANET | M | 436 | · | · | 2,184 Direct | -16.64% | Disposed | (price as of 2026-10-02) |
| Nov. 20, 2018 | ANET | M | 437 | · | · | 2,620 Direct | +20.02% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2018 | ANET | M | 437 | · | · | 2,620 Direct | -14.30% | Disposed | (price as of 2026-10-02) |
| Aug. 20, 2018 | ANET | M | 437 | · | · | 2,183 Direct | +25.03% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2018 | ANET | M | 437 | · | · | 3,057 Direct | -12.51% | Disposed | (price as of 2026-10-02) |
| May 21, 2018 | ANET | M | 437 | · | · | 1,746 Direct | +33.38% | Acquired | (price as of 2026-10-02) |
| May 21, 2018 | ANET | M | 437 | · | · | 3,494 Direct | -11.12% | Disposed | (price as of 2026-10-02) |
| May 3, 2018 | EFX | A | 1,512 | · | · | 37,530 Direct | +4.20% | Acquired | (price as of 2026-10-02) |
| March 23, 2018 | KEYS | A | 3,897 | · | · | 16,743 Direct | +30.34% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2018 | ANET | M | 436 | · | · | 1,309 Direct | +49.94% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2018 | ANET | M | 436 | · | · | 3,931 Direct | -9.98% | Disposed | (price as of 2026-10-02) |
| Nov. 20, 2017 | ANET | M | 437 | · | · | 873 Direct | +100.23% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2017 | ANET | M | 437 | · | · | 4,367 Direct | -9.10% | Disposed | (price as of 2026-10-02) |
| Aug. 21, 2017 | ANET | M | 436 | · | · | 436 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 21, 2017 | ANET | M | 436 | · | · | 4,804 Direct | -8.32% | Disposed | (price as of 2026-10-02) |
| May 4, 2017 | EFX | A | 1,243 | · | · | 36,002 Direct | +3.58% | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 120 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. 20, 2026 | ANET | Restricted Stock Unit-8 | Common Stock | · | · | 538 | Disposed |
| May 29, 2026 | ANET | Restricted Stock Unit-8 | Common Stock | · | · | 2,153 | Acquired |
| May 20, 2026 | ANET | Restricted Stock Unit-7 | Common Stock | · | · | 971 | Disposed |
| Feb. 20, 2026 | ANET | Restricted Stock Unit-7 | Common Stock | · | · | 971 | Disposed |
| Nov. 20, 2025 | ANET | Restricted Stock Unit-7 | Common Stock | · | · | 971 | Disposed |
| Aug. 20, 2025 | ANET | Restricted Stock Unit-7 | Common Stock | · | · | 971 | Disposed |
| May 30, 2025 | ANET | Restricted Stock Unit-7 | Common Stock | · | · | 3,884 | Acquired |
| May 20, 2025 | ANET | Restricted Stock Unit-6 | Common Stock | · | · | 844 | Disposed |
| Feb. 20, 2025 | ANET | Restricted Stock Unit-6 | Common Stock | · | · | 844 | Disposed |
| Nov. 20, 2024 | ANET | Restricted Stock Unit-6 | Common Stock | · | · | 212 | Disposed |
| Aug. 20, 2024 | ANET | Restricted Stock Unit-6 | Common Stock | · | · | 211 | Disposed |
| June 7, 2024 | ANET | Restricted Stock Unit-6 | Common Stock | · | · | 845 | Acquired |
| May 20, 2024 | ANET | Restricted Stock Unit-5 | Common Stock | · | · | 372 | Disposed |
| Feb. 20, 2024 | ANET | Restricted Stock Unit-5 | Common Stock | · | · | 373 | Disposed |
| Nov. 20, 2023 | ANET | Restricted Stock Unit-5 | Common Stock | · | · | 372 | Disposed |
| Aug. 21, 2023 | ANET | Restricted Stock Unit-5 | Common Stock | · | · | 373 | Disposed |
| June 14, 2023 | ANET | Restricted Stock Unit-5 | Common Stock | · | · | 1,490 | Acquired |
| May 22, 2023 | ANET | Restricted Stock Unit-4 | Common Stock | · | · | 510 | Disposed |
| Feb. 21, 2023 | ANET | Restricted Stock Unit-4 | Common Stock | · | · | 511 | Disposed |
| Nov. 21, 2022 | ANET | Restricted Stock Unit-4 | Common Stock | · | · | 510 | Disposed |
| Aug. 22, 2022 | ANET | Restricted Stock Unit-4 | Common Stock | · | · | 511 | Disposed |
| May 31, 2022 | ANET | Restricted Stock Unit-4 | Common Stock | · | · | 2,042 | Acquired |
| May 20, 2022 | ANET | Restricted Stock Unit-3 | Common Stock | · | · | 692 | Disposed |
| Feb. 22, 2022 | ANET | Restricted Stock Unit-3 | Common Stock | · | · | 696 | Disposed |
| Nov. 22, 2021 | ANET | Restricted Stock Unit-3 | Common Stock | · | · | 692 | Disposed |
| Aug. 20, 2021 | ANET | Restricted Stock Unit-3 | Common Stock | · | · | 174 | Disposed |
| June 1, 2021 | ANET | Restricted Stock Unit-3 | Common Stock | · | · | 694 | Acquired |
| May 20, 2021 | ANET | Restricted Stock Unit-2 | Common Stock | · | · | 261 | Disposed |
| Feb. 22, 2021 | ANET | Restricted Stock Unit-2 | Common Stock | · | · | 262 | Disposed |
| Nov. 20, 2020 | ANET | Restricted Stock Unit-2 | Common Stock | · | · | 261 | Disposed |
| Aug. 20, 2020 | ANET | Restricted Stock Unit-2 | Common Stock | · | · | 262 | Disposed |
| May 27, 2020 | ANET | Restricted Stock Unit-2 | Common Stock | · | · | 1,046 | Acquired |
| May 20, 2020 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 437 | Disposed |
| Feb. 20, 2020 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 436 | Disposed |
| Nov. 20, 2019 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 437 | Disposed |
| Aug. 20, 2019 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 437 | Disposed |
| May 20, 2019 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 437 | Disposed |
| Feb. 20, 2019 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 436 | Disposed |
| Nov. 20, 2018 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 437 | Disposed |
| Aug. 20, 2018 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 437 | Disposed |
| May 21, 2018 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 437 | Disposed |
| Feb. 20, 2018 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 436 | Disposed |
| Nov. 20, 2017 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 437 | Disposed |
| Aug. 21, 2017 | ANET | Restricted Stock Unit-1 | Common Stock | · | · | 436 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.