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Zscaler Form 4 Filings

ZS NASDAQ

Every Form 4 that Zscaler (ZS) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.

A Form 4 covers the transactions officers, directors and large holders report, so if you follow ZS and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full ZS filings page.

Rhea-AI Summary

Zscaler, Inc. (ZS) reported that its Chief Financial Officer, Kevin Rubin, sold 503 shares of common stock on August 25, 2026. The sales were executed in multiple open-market transactions at weighted average prices, generally between $172.10 and $176.49 per share, pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

Rhea-AI Summary

Zscaler, Inc. Chief Financial Officer Kevin Rubin reported selling 503 shares of common stock on July 27, 2026 in five open-market or private transactions. Reported weighted-average sale prices ranged from $144.7436 to $148.8106 per share, with underlying trade prices between $144.0500 and $149.2500. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

Rhea-AI Summary

Zscaler, Inc. chief legal officer Robert Schlossman reported an open-market sale of company stock. On July 6, 2026, he sold 122 shares of Common Stock at $150.00 per share and held 69,244 shares directly after the transaction.

The sale was executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on July 3, 2025, indicating it was scheduled in advance. A separate holding entry shows 66 shares of Common Stock held indirectly through his spouse.

Rhea-AI Summary

Zscaler, Inc. Chief Financial Officer Kevin Rubin reported selling a total of 3,000 shares of Zscaler common stock on June 25, 2026 in open-market transactions. The sales occurred at weighted average prices with transaction-level averages between about $123.18 and $126.79 per share, across price ranges from $122.49 to $126.22, as detailed in the footnotes. According to the filing, the trades were executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 24, 2026. After these transactions, Rubin directly holds 41,901 shares of Zscaler common stock.

Rhea-AI Summary

Adam Geller, Chief Product Officer of Zscaler, Inc., sold 2,817 shares of Common Stock in an open-market transaction at $122.60 per share. The sale was executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on March 20, 2026.

Following this transaction, Geller directly holds 42,314 Zscaler shares, so the filing shows a partial reduction of his existing position rather than a complete disposal.

Rhea-AI Summary

Zscaler, Inc. CEO and Chairman Jagtar Singh Chaudhry reported routine share activity related to equity compensation. On June 16, 2026, 2,878 shares of common stock were sold to cover tax withholding obligations triggered by the vesting of restricted stock units under the company’s equity incentive plans, described as non-discretionary. Following this tax-related sale, he directly holds 343,038 shares of Zscaler common stock and also reports substantial additional indirect holdings through family trusts.

Rhea-AI Summary

Zscaler Chief Product Officer Adam Geller reported a disposition of 1,940 shares of common stock at an average price of $126.4295 per share. According to the footnotes, these shares were sold to cover tax withholding obligations tied to the vesting of restricted stock units under the company’s equity incentive plans and did not represent a discretionary trade. Following this tax-related sale, Geller directly holds 45,131 shares, which include 122 shares acquired under Zscaler’s FY2018 Employee Stock Purchase Plan on June 15, 2026.

Rhea-AI Summary

Zscaler Chief Legal Officer Robert Schlossman reported the sale of 3,146 shares of common stock at an average price of $126.4296 per share on June 16, 2026. The shares were sold to cover tax withholding obligations tied to vested restricted stock units under the company’s equity incentive plans and are not a discretionary trade by Schlossman, according to the disclosure.

Following this transaction, he holds 69,366 shares of Zscaler common stock directly and 66 shares indirectly, which are held by his spouse. A footnote also notes that his holdings include 122 shares acquired under Zscaler’s FY2018 Employee Stock Purchase Plan on June 15, 2026.

Rhea-AI Summary

Zscaler, Inc. CRO Michael J. Rich reported a mandatory share sale tied to tax withholding. On the reported date, he disposed of 4,184 shares of common stock at an average price of $126.4295 per share to cover tax obligations from vesting restricted stock units, as required under the company’s equity incentive plans and not as a discretionary trade. After this transaction, he directly holds 100,301 shares of Zscaler common stock. The holdings also include 135 shares acquired under the company’s FY2018 Employee Stock Purchase Plan on June 15, 2026.

Rhea-AI Summary

Zscaler, Inc. Chief Financial Officer Kevin Rubin reported an open-market sale of 1,686 shares of common stock at an average price of $126.4295 per share. According to the disclosure, the shares were sold to cover tax withholding obligations tied to vesting restricted stock units and were not a discretionary trade. After this transaction and including 108 shares acquired under the company’s FY2018 Employee Stock Purchase Plan, Rubin holds 44,901 shares directly.

Rhea-AI Summary

Zscaler, Inc. director James A. Beer sold 177 shares of Common Stock in an open-market transaction at $125.50 per share. After this sale, he directly holds 4,207 shares. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted on October 3, 2025, indicating the sale was scheduled in advance.

Rhea-AI Summary

Zscaler, Inc. Chief Product Officer Adam Geller reported two sales of common stock primarily tied to equity compensation taxes and a pre-set trading plan. On March 18, 2026, he sold 2,094 shares at $153.53 each. On March 17, 2026, he sold 1,485 shares at $156.5932 each. A footnote explains the shares were sold to cover tax withholding obligations from restricted stock unit vesting under the company’s equity incentive plans and are not discretionary trades. Another footnote states the sale was executed under a Rule 10b5-1 trading plan adopted on March 12, 2025. After these transactions, Geller directly holds 46,949 shares of Zscaler common stock.

Rhea-AI Summary

Zscaler, Inc. director James A. Beer reported an open-market sale of 177 shares of common stock on March 18, 2026 at an average price of $153.53 per share. After this transaction, he directly owns 4,384 shares.

The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on October 3, 2025, indicating the trade was scheduled in advance rather than timed discretionarily.

Rhea-AI Summary

Zscaler, Inc. CEO and Chairman Jagtar Singh Chaudhry reported an open-market sale of 1,941 shares of common stock at an average price of $156.5932 per share. A footnote explains these shares were sold to cover tax withholding obligations on vesting restricted stock units and were not a discretionary trade. Following the sale, he held 345,916 shares directly, plus additional indirect holdings reported as 2,177,994, 24,341,267, and 6,666 shares in various family trusts.

Rhea-AI Summary

Zscaler, Inc. Chief Financial Officer Kevin Rubin reported an automatic sale of 1,682 shares of common stock on March 17, 2026 at an average price of $156.5932 per share. According to the footnote, the shares were sold solely to cover tax withholding obligations tied to vesting restricted stock units and were not a discretionary trade. Following this transaction, Rubin directly holds 46,479 shares of Zscaler common stock.

Rhea-AI Summary

Zscaler, Inc. Chief Legal Officer Robert Schlossman reported an open‑market sale of 2,263 shares of Common Stock at $156.5932 per share. According to the footnotes, these shares were sold to cover tax withholding obligations tied to vesting restricted stock units under the company’s equity incentive plans and did not represent a discretionary trade.

After this transaction, he directly held 72,390 shares of Zscaler stock. A separate line item shows 66 shares held indirectly by his spouse, reflecting an additional, small related holding.

Rhea-AI Summary

Zscaler, Inc. executive Michael J. Rich, CRO and President of WW Sales, sold 3,147 shares of common stock on March 17, 2026 at an average price of $156.5932 per share. The shares were sold to cover tax withholding obligations from vesting restricted stock units under the company’s equity plans and were not a discretionary trade. After this transaction, he directly holds 104,350 shares.

Rhea-AI Summary

Zscaler, Inc. executive Raj Judge, EVP of Corporate Strategy & Ventures, reported the sale of 2,488 shares of common stock at an average price of $156.5932 per share. The shares were sold to cover tax withholding obligations from vesting restricted stock units and were not a discretionary trade. After this tax-related sale, Judge directly holds 67,906 shares of Zscaler common stock.

Rhea-AI Summary

Zscaler, Inc. director Andrew William Fraser Brown reported an equity award of 1,076 shares of common stock on January 12, 2026. The shares are granted at a price of $0 per share, increasing his beneficial ownership to 23,292 shares held directly.

The award is structured as restricted stock units that will vest in four equal quarterly installments beginning on March 15, 2026. This reflects ongoing equity-based compensation for his service on the company’s board rather than an open-market purchase or sale.

Rhea-AI Summary

Zscaler, Inc. director Scott C. Darling reported an equity award of 1,076 shares of common stock on January 12, 2026. These shares are represented by restricted stock units that vest in four equal quarterly installments beginning on March 15, 2026, and were reported at a price of $0 per share, reflecting a grant rather than a market purchase.

Following this award, Darling is shown as beneficially owning 5,351 shares of Zscaler common stock directly. In addition, 48,701 shares are reported as indirectly owned through the Scott C. Darling Revocable Living Trust, which holds those shares of record.

Rhea-AI Summary

Zscaler, Inc. director Charles H. Giancarlo reported an equity award of 1,076 shares of common stock on January 12, 2026. These shares are represented by restricted stock units that vest in four equal quarterly installments beginning on March 15, 2026, and were recorded at a price of $0 per share.

Following this grant, Giancarlo is shown as beneficially owning 145,451 shares of Zscaler common stock directly. In addition, trusts for which he serves as trustee hold 8,912 shares for The 2012 Gianna Marie Giancarlo Trust, 8,912 shares for The 2012 Marielle Christina Giancarlo Trust, and 125,000 shares for The Charles H. & Dianne G. Giancarlo Family Trust.

Rhea-AI Summary

Zscaler, Inc. director Eileen Naughton reported an equity award of 1,076 shares of common stock on January 12, 2026. The shares are in the form of restricted stock units granted at a price of $0 per share, reflecting a standard compensation award rather than an open‑market purchase or sale.

According to the filing, these restricted stock units will vest in four equal quarterly installments beginning on March 15, 2026. After this grant, Naughton beneficially owns a total of 7,745 shares of Zscaler common stock held directly.

Rhea-AI Summary

Zscaler, Inc. director David Schneider reported an equity award of 1,076 shares of common stock on January 12, 2026. The shares are in the form of restricted stock units granted at $0 per share, reflecting a typical compensation grant rather than an open‑market purchase. After this award, Schneider directly beneficially owns 24,912 shares of Zscaler common stock. According to the disclosure, these restricted stock units will vest in four equal quarterly installments beginning on March 15, 2026, meaning the shares will be delivered over time as the vesting dates are reached.

Rhea-AI Summary

Zscaler, Inc. director James A. Beer reported an equity award of 1,076 shares of common stock on January 12, 2026. The shares are in the form of restricted stock units that carry a grant price of $0 per share. After this award, he beneficially owns 4,561 shares of Zscaler common stock in direct ownership.

The restricted stock units will vest in four equal quarterly installments beginning on March 15, 2026, meaning portions of the award become actual shares over a one-year period. This filing is a routine Form 4 disclosure of director compensation in company stock rather than an open‑market purchase or sale.

Rhea-AI Summary

Zscaler, Inc. director Karen Blasing reported an equity award of 1,076 shares of common stock on January 12, 2026, received at a price of $0 per share. The filing explains that these shares are represented by restricted stock units that vest in four equal quarterly installments beginning on March 15, 2026, giving her a schedule of gradual ownership over one year.

After this award, Blasing beneficially owns 42,757 shares directly and 25,624 shares indirectly. The indirect holdings are held of record by The Blasing Family Revocable Trust U/A dtd 12/22/2005, for which she serves as trustee, indicating an additional layer of beneficial ownership through a family trust structure.

Rhea-AI Summary

Zscaler, Inc. Chief Legal Officer reported routine share sales and updated holdings. On 12/16/2025, the officer sold 3,084 shares of common stock at an average price of $230.8193 per share to cover tax withholding on vesting restricted stock units, which the company notes was not a discretionary trade. On 12/17/2025, the officer sold an additional 2,349 shares at $232.79 per share pursuant to a pre‑established Rule 10b5-1 trading plan adopted on July 3, 2025. After these transactions, the officer beneficially owned 74,653 shares of Zscaler common stock directly and 66 shares indirectly through a spouse.

Rhea-AI Summary

Zscaler, Inc. insider reports tax-related share sale

A Zscaler, Inc. executive who serves as CRO and President of Worldwide Sales reported a sale of 4,100 shares of common stock on 12/16/2025 at a price of $230.8193 per share. The filing explains that these shares were sold to cover tax withholding obligations triggered by the vesting of restricted stock units under the company’s equity incentive plans, so it was not a discretionary trade.

After this transaction, the executive beneficially owns 107,497 shares of Zscaler common stock, which includes 45 shares acquired through the company’s Fiscal Year 2018 Employee Stock Purchase Plan on December 15, 2025. The report is filed for one reporting person and reflects compliance with insider ownership disclosure rules.

Rhea-AI Summary

Zscaler, Inc.'s Chief Financial Officer reported an automatic sale of company stock related to equity compensation. On 12/16/2025, the CFO sold 3,303 shares of common stock at a price of $230.8193 per share. According to the disclosure, this sale was made to cover tax withholding obligations arising from the vesting of restricted stock units under the company’s equity incentive plans and is described as not being a discretionary trade.

After this transaction, the CFO beneficially owned 48,161 shares of Zscaler common stock, which includes 81 shares acquired under the company’s Fiscal Year 2018 Employee Stock Purchase Plan on December 15, 2025. The filing reflects a routine equity compensation and tax withholding event rather than an open-market decision to reduce ownership.

Rhea-AI Summary

Zscaler, Inc. insider updates holdings after tax-related sale

Zscaler, Inc. CEO, Chairman, Director and 10% owner Jagtar Singh Chaudhry reported a sale of 2,843 shares of common stock on 12/16/2025 at a price of $230.8193 per share. According to the footnotes, this sale was made to cover tax withholding obligations from the vesting of restricted stock units under the company’s equity incentive plans and was not a discretionary trade.

After this transaction, Mr. Chaudhry directly holds 347,857 Zscaler common shares. He also has indirect beneficial ownership of additional shares held through several family trusts, including 2,177,994 shares in The RSJ Trust, 24,341,267 shares in The RSP Trust, and 6,666 shares in The P. Jyoti Chaudhry Family Trust.

Rhea-AI Summary

Zscaler, Inc.'s Chief Product Officer reported two stock sales. The reporting person, an officer of Zscaler, sold 2,060 shares of common stock on 12/16/2025 at a price of $230.8193 per share and 1,620 shares on 12/17/2025 at $232.79 per share. After these transactions, the officer directly owned 50,528 shares of Zscaler common stock.

The first sale was made to cover tax withholding obligations arising from the vesting of restricted stock units under Zscaler's equity incentive plans and was not a discretionary trade. The second sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on March 12, 2025.

Rhea-AI Summary

Zscaler, Inc. insider files share sale tied to tax withholding

A Zscaler, Inc. executive and director reported selling 3,438 shares of common stock on 12/16/2025 at a price of $230.8193 per share. After this transaction, the reporting person directly owned 70,394 shares of Zscaler common stock.

According to the footnote, the shares were sold to cover tax withholding obligations arising from the vesting of restricted stock units under the company’s equity incentive plans, and the filing states that this was not a discretionary trade by the insider.

Rhea-AI Summary

Zscaler (ZS) reported an insider transaction by its Chief Legal Officer. On 10/24/2025, the officer sold 3,200 shares of common stock at $325 per share (Transaction Code S).

Following the sale, the officer beneficially owned 80,086 shares directly and 66 shares indirectly, which are held by the reporting person's spouse. The filing notes the sale was effected pursuant to a Rule 10b5-1 trading plan adopted on July 3, 2025.

Rhea-AI Summary

Zscaler (ZS) reported an insider equity award. The company’s Chief Legal Officer filed a Form 4 showing acquisition of 7,154 restricted stock units (RSUs) on 10/15/2025 at $0. Following the grant, the officer beneficially owns 83,286 shares directly and 66 shares indirectly through a spouse. The RSUs vest in 16 equal quarterly installments beginning on December 15, 2025.

Rhea-AI Summary

Zscaler (ZS) reported an insider equity award on a Form 4. The company’s Chief Product Officer received 10,730 restricted stock units on 10/15/2025 at a price of $0, coded as an acquisition. These RSUs vest in 16 equal quarterly installments beginning on December 15, 2025. Following the transaction, the officer beneficially owns 54,208 shares, held directly.

Rhea-AI Summary

Zscaler (ZS) filed a Form 4 reporting that its CRO and President of WW Sales acquired 10,730 shares of Common Stock in the form of restricted stock units on 10/15/2025 at $0. Following this grant, the reporting person beneficially owns 111,552 shares directly. The RSUs vest in 16 equal quarterly installments beginning on December 15, 2025.

Rhea-AI Summary

Zscaler, Inc. (ZS) insiders Jagtar Singh Chaudhry and P. Jyoti Chaudhry reported transactions dated 09/25/2025 on a Form 4. The filing shows dispositions totaling 372,561 shares (21,861 and 350,700 shares) reported as sold or distributed with a reported price of $0 for one line, and resulting beneficial ownership reported indirectly at 24,341,267 shares, 2,177,994 shares, and 6,666 shares for the specified holdings. Footnotes state these shares are held of record by trusts: the RSP Trust (Jyoti Chaudhry TTEE), the RSJ Trust (Jagtar S Chaudhry TTEE), and The P. Jyoti Chaudhry Family Trust (trustee Ms. Kaur). The form is signed by power of attorney on 09/29/2025.

Rhea-AI Summary

Michael J. Rich, CRO and President of Worldwide Sales at Zscaler, reported the vesting and partial disposition of equity awards. On September 15, 2025 14,337 performance-based restricted stock units vested and were recorded as acquired at $0 per share because they were RSUs converting to common stock. Following vesting the reporting person beneficially owned 112,540 shares. On September 16, 2025 the reporting person sold 11,718 shares to satisfy tax withholding obligations at a weighted-average sale price of $280.6977 per share, leaving 100,822 shares beneficially owned. The Form 4 was signed via power of attorney on September 17, 2025.

Rhea-AI Summary

Zscaler director and EVP of Corporate Strategy & Ventures vested 2,067 performance-based restricted stock units on 09/15/2025, which converted to common shares that increased reported beneficial ownership to 78,356 shares. The filing shows the reporting person sold 4,524 shares on 09/16/2025 to satisfy tax-withholding obligations at a weighted average price of $280.6985, leaving 73,832 shares beneficially owned after the sale. The RSUs were originally granted June 3, 2025 under the companys FY2018 Incentive Plan and vested 100% on the noted date. The Form 4 was signed by power of attorney on 09/17/2025.

Rhea-AI Summary

Adam Geller, Chief Product Officer at Zscaler (ZS), received 18,322 performance-based restricted stock units that vested 100% on 09/15/2025. Those RSUs were granted under the companys Fiscal Year 2018 Incentive Plan and converted into common stock resulting in beneficial ownership of 65,135 shares immediately after vesting. Over 09/16/2025 through 09/17/2025 the reporting person sold a total of 29,457 shares in multiple transactions, including sales to cover tax withholding related to the vesting and other sales executed pursuant to a Rule 10b5-1 trading plan adopted on 03/12/2025. Share count disclosed at the end of the reported transactions is 43,478 shares owned beneficially. The Form 4 reports weighted-average sale prices for the transactions within the specified ranges.

Rhea-AI Summary

Zscaler Chief Legal Officer Robert Schlossman reported two share disposals related to restricted stock units and withholding arrangements. On 09/15/2025, 2,000 shares were disposed of under code G at no cash consideration, and on 09/16/2025 he sold 3,832 shares to satisfy tax withholding at a weighted average price of $280.6966. After these transactions the reporting person directly beneficially owned 83,138 shares and his spouse held 66 shares indirectly, for a combined disclosed interest of 83,204 shares. The Form 4 indicates the 3,832-share sale was executed to cover tax obligations and was not a discretionary trade.

Rhea-AI Summary

Jagtar S. Chaudhry, identified as CEO, Chairman, director and a >10% owner of Zscaler, Inc. (ZS), reported a routine equity transaction on 09/16/2025. He sold 2,865 shares of common stock to satisfy tax withholding obligations arising from the vesting of restricted stock units; the weighted average sale price was $280.6976. Following that sale, Mr. Chaudhry directly owned 350,700 shares. He also retains substantial indirect holdings: 2,177,994 shares held by the RSJ Trust, 24,363,128 shares held by the RSP Trust, and 6,666 shares held by The P. Jyoti Chaudhry Family Trust. The filing was submitted individually and signed by a power of attorney on 09/17/2025.