Arista Networks (ANET) insider Kenneth Duda reports option exercise and stock sales
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Arista Networks director and officer Kenneth Duda reported an option exercise and multiple stock sales dated 12/17/2025. He exercised 30,000 non-qualified stock options at an exercise price of $3.515 per share and acquired the same number of Arista Networks common shares.
On the same date, he sold several blocks of common stock in the open market at weighted average prices around $122–$126 per share, leaving 12,976 shares held directly. Additional sales were made by a children’s trust and a 501(c) foundation with which he is associated, under Rule 10b5-1 trading plans entered into on March 13, 2025. After these transactions, he continued to report large indirect holdings through multiple trusts and annuity trusts.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Seller: 56,000 shares ($6,896,722)
Net Sell
20 txns
Insider
Duda Kenneth
Role
President and CTO
Sold
56,000 shs ($6.90M)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Non-Qualified Stock Option (right to buy) | 30,000 | $0.00 | -- |
| Exercise | Common Stock | 30,000 | $3.515 | $105K |
| Sale | Common Stock | 15,766 | $122.4343 | $1.93M |
| Sale | Common Stock | 6,788 | $123.0884 | $836K |
| Sale | Common Stock | 4,553 | $124.3203 | $566K |
| Sale | Common Stock | 2,625 | $125.3078 | $329K |
| Sale | Common Stock | 268 | $126.44 | $34K |
| Sale | Common Stock | 8,409 | $122.4343 | $1.03M |
| Sale | Common Stock | 3,619 | $123.0884 | $445K |
| Sale | Common Stock | 2,429 | $124.3203 | $302K |
| Sale | Common Stock | 1,400 | $125.3078 | $175K |
| Sale | Common Stock | 143 | $126.44 | $18K |
| Sale | Common Stock | 5,255 | $122.4343 | $643K |
| Sale | Common Stock | 2,263 | $123.0884 | $279K |
| Sale | Common Stock | 1,518 | $124.3203 | $189K |
| Sale | Common Stock | 875 | $125.3078 | $110K |
| Sale | Common Stock | 89 | $126.44 | $11K |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Non-Qualified Stock Option (right to buy) — 30,000 shares (Direct);
Common Stock — 42,976 shares (Direct);
Common Stock — 1,150,759 shares (Indirect, By Childrens' Trust)
Footnotes (1)
- The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 13, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $121.82 to $122.81, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. 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 range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.82 to $123.73, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. 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 range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.84 to $124.81, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. 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 range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.88 to $125.86, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. 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 range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.28 to $126.80, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. 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 range set forth in this footnote. The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 13, 2025. These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts. Reporting person is the trustee of the Kenneth Duda Annuity Trusts. These shares are held by a family trust for which the reporting person is co-trustee. 1/60th of the shares subject to the option vested and became exercisable on April 1, 2017 and 1/60th of the shares subject to the option shall vested monthly thereafter.