Every Form 4 that Qualys, Inc. (QLYS) 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 QLYS 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 QLYS filings page.
Qualys, Inc. (QLYS) CEO and President Sumedh S. Thakar reported an option exercise and related share sales. On 11/14/2025 he exercised a stock option covering 6,500 shares of common stock at $25.56 per share. That same day he sold blocks of Qualys common stock totaling 8,500 shares at weighted average prices between about $140.71 and $143.83 per share, in several transactions. After these transactions, he directly owned 254,800 shares of Qualys common stock. The filing notes that the sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on February 26, 2025, which is designed to allow insiders to sell shares according to a set schedule.
Qualys, Inc. (QLYS) CEO and President Sumedh S. Thakar reported an open-market sale of 2,200 shares of Qualys common stock. The transaction took place on 11/12/2025 at a weighted average price of $155.0427 per share, with individual sale prices ranging from $155.00 to $155.47. The filing shows that Thakar remains a significant shareholder, with 256,800 shares of Qualys common stock beneficially owned directly after this transaction. The sale was executed under a Rule 10b5-1 trading plan that Thakar adopted on February 26, 2025, which is designed to allow pre-arranged trading according to specified instructions.
Qualys (QLYS) reported an insider transaction by CFO Joo Mi Kim on 11/01/2025. The filing shows 3,802 shares of common stock were withheld to cover taxes related to the vesting of restricted stock units, coded F, at a price of $123.26 per share.
Following this administrative withholding, Kim’s beneficial ownership stands at 123,274 shares, held directly. The transaction reflects routine tax settlement rather than an open‑market sale.
Qualys (QLYS) reported an insider transaction by Chief Legal Officer Bruce K. Posey. On 11/01/2025, 2,279 shares of common stock were withheld (Transaction Code F) to cover taxes upon vesting of restricted stock units at a price of $123.26 per share. Following this administrative withholding, Posey beneficially owns 74,853 shares, held directly.
Code F indicates a tax-withholding event tied to equity vesting, not an open‑market sale. The filing lists the officer’s role and direct ownership after the transaction.
Qualys (QLYS) reported an insider transaction by CEO & President and Director Sumedh S. Thakar. On 11/01/2025, 6,043 shares of common stock were withheld at $123.26 per share to cover taxes related to the vesting of restricted stock units, coded “F” on the form.
Following this administrative withholding, Thakar directly beneficially owns 259,000 Qualys shares. The filing reflects tax settlement mechanics tied to equity compensation rather than an open-market sale.
Qualys (QLYS) reported a director equity grant on a Form 4. On 10/30/2025, the director acquired 3,198 shares of common stock at $0, reflecting settlement of restricted stock units (RSUs).
These RSUs vest in three equal annual installments on each of the first three anniversaries of November 1, 2025, subject to continued service as a director through each vesting date. After the reported transaction, the director beneficially owns 3,198 shares, held directly.
Qualys (QLYS) Form 4: Chief Financial Officer Joo Mi Kim reported an acquisition of 34,212 shares of common stock on 10/30/2025 (code A) at a reported price of $0, reflecting a restricted stock unit grant. Following this transaction, the reporting person beneficially owns 127,076 shares, held directly.
The award represents restricted stock units that vest quarterly in equal installments over four years after November 1, 2025, subject to continued service through each vesting date.
Qualys, Inc. (QLYS) reported an insider equity grant. The Chief Legal Officer filed a Form 4 showing an acquisition of 20,357 shares of common stock on 10/30/2025 at a price of $0, reflecting a grant of restricted stock units.
These RSUs vest quarterly in equal installments over four years after November 1, 2025, contingent on continued service. Following the reported grant, beneficial ownership stands at 77,132 shares held directly.
Qualys (QLYS) insider activity: CEO & President Sumedh S. Thakar, who also serves as a Director, reported the acquisition of 61,092 shares of Common Stock on 10/30/2025 at a price of $0. The filing indicates these are restricted stock units.
The award consists of RSUs that vest quarterly in equal installments over four years after November 1, 2025, subject to the reporting person’s continued service through each vesting date. Following this transaction, the reporting person beneficially owns 265,043 shares, held directly.
Qualys, Inc. (QLYS) executive Bruce K. Posey, Chief Legal Officer, reported open-market sales of company stock. On 10/20/2025, he sold 540 shares in two transactions (440 and 100 shares) at weighted average prices of $127.0065 and $127.6316, respectively. The sales were made pursuant to a Rule 10b5-1 trading plan adopted on August 21, 2024. Following these transactions, Posey directly beneficially owns 56,775 shares. The filing notes prices represent weighted averages within disclosed ranges.
Qualys (QLYS) CEO & President Sumedh S. Thakar, also a Director, reported insider transactions on 10/14/2025. He exercised a stock option for 6,500 shares at $25.56 and sold 4,543 shares at $126.4389 and 3,957 shares at $127.2669. The sales were made under a Rule 10b5-1 trading plan adopted on February 26, 2025.
Following the transactions, Thakar directly held 203,951 shares of common stock and had 13,000 derivative securities (stock options) beneficially owned. The option exercised was fully vested and immediately exercisable, with an expiration date of 04/28/2026.
QUALYS, Inc. Chief Financial Officer Joo Mi Kim reported two open-market sales of company common stock effected under a Rule 10b5-1 trading plan. On 10/06/2025 the reporting person sold 429 shares at a weighted average price range that produced a reported weighted average of $128.8944, and sold 358 shares at a reported weighted average of $129.4993. The Form 4 states the first sale price range was $128.30–$129.26 and the second was $129.40–$129.63. The filing notes the sales were executed pursuant to a 10b5-1 plan adopted 08/21/2024. The Form 4 was signed by power of attorney on 10/07/2025.
QUALYS, INC. insider Bruce K. Posey, Chief Legal Officer, reported selling 525 shares of common stock on September 22, 2025 in two transactions at weighted-average prices of about $135.94 and $136.44 per share, effected under a Rule 10b5-1 trading plan adopted August 21, 2024. Following these sales, he directly holds 57,315 shares of Qualys common stock.