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person · Reporting owner

Thakar Sumedh S

Disclosed activity across 1 company

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23018
SEC CIK
0001558242

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
QUALYS, INC.QLYS · Entity 1519Director · CEO & PRESIDENTOctober 14, 2026October 15, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

QUALYS, INC.

Report date October 14, 2026 · Filed October 15, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect177,138 Ending reported balance After 2026-10-14 transaction · row 5
5 source rows · reconciled sequence

Row 1 · 2026-10-14 · Sale · Disposed 400 · Balance 179,938

F1: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026.

F2: The sale price represents the weighted average price of the shares sold ranging from $187.64 to $188.18 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Row 2 · 2026-10-14 · Sale · Disposed 1,500 · Balance 178,438

F1: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026.

F3: The sale price represents the weighted average price of the shares sold ranging from $188.79 to $189.77 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Row 3 · 2026-10-14 · Sale · Disposed 400 · Balance 178,038

F1: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026.

F4: The sale price represents the weighted average price of the shares sold ranging from $189.85 to $190.11 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Row 4 · 2026-10-14 · Sale · Disposed 500 · Balance 177,538

F1: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026.

F5: The sale price represents the weighted average price of the shares sold ranging from $192.43 to $193.41 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Row 5 · 2026-10-14 · Sale · Disposed 400 · Balance 177,138

F1: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026.

F6: The sale price represents the weighted average price of the shares sold ranging from $194.01 to $194.54 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Filing footnotes · ownership attribution and instrument terms

F1: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026.

F2: The sale price represents the weighted average price of the shares sold ranging from $187.64 to $188.18 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F3: The sale price represents the weighted average price of the shares sold ranging from $188.79 to $189.77 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F4: The sale price represents the weighted average price of the shares sold ranging from $189.85 to $190.11 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F5: The sale price represents the weighted average price of the shares sold ranging from $192.43 to $193.41 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F6: The sale price represents the weighted average price of the shares sold ranging from $194.01 to $194.54 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
June 16, 2025 Filed Jun 17, 2025 22:10 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 1,900 $140.46 $266,876.85
Disclosure

SEC source: 0001415889-25-017582 · form4-06172025_100647.xml · nonDerivative · entry 4

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 229,962

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

F4 · price: The sale price represents the weighted average price of the shares sold ranging from $140.05 to $140.72 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
June 16, 2025 Filed Jun 17, 2025 22:10 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 4,700 $139.40 $655,168.25
Disclosure

SEC source: 0001415889-25-017582 · form4-06172025_100647.xml · nonDerivative · entry 3

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 231,862

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

F3 · price: The sale price represents the weighted average price of the shares sold ranging from $139.02 to $140.01 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
June 16, 2025 Filed Jun 17, 2025 22:10 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 1,900 $138.66 $263,456.47
Disclosure

SEC source: 0001415889-25-017582 · form4-06172025_100647.xml · nonDerivative · entry 2

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 236,562

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

F2 · price: The sale price represents the weighted average price of the shares sold ranging from $138.01 to $138.99 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
June 16, 2025 Filed Jun 17, 2025 22:10 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionCommon Stock 6,500 $25.56 $166,140.00
Disclosure

SEC source: 0001415889-25-017582 · form4-06172025_100647.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 238,462

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

Read SEC document
June 02, 2025 Filed Jun 3, 2025 20:40 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 6,000 $140.20 $841,200.00
Disclosure

SEC source: 0001415889-25-015401 · form4-06032025_080639.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 231,962

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

F2 · price: The sale price represents the weighted average price of the shares sold ranging from $140.00 to $140.47 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
May 29, 2025 Filed Jun 2, 2025 21:23 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionStock Option (right to buy) · Derivative 6,500 $0.00 Strike: $25.56 $0.00
Disclosure

SEC source: 0001415889-25-015257 · form4-06022025_090605.xml · derivative · entry 5

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,500

Underlying: Common Stock · 6,500 shares

Expires 2026-04-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The option is fully vested and immediately exercisable.

Read SEC document
May 29, 2025 Filed Jun 2, 2025 21:23 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 1,884 $137.11 $258,310.53
Disclosure

SEC source: 0001415889-25-015257 · form4-06022025_090605.xml · nonDerivative · entry 4

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 237,962

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

F4 · price: The sale price represents the weighted average price of the shares sold ranging from $136.91 to $137.22 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
May 29, 2025 Filed Jun 2, 2025 21:23 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 4,014 $136.50 $547,894.94
Disclosure

SEC source: 0001415889-25-015257 · form4-06022025_090605.xml · nonDerivative · entry 3

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 239,846

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

F3 · price: The sale price represents the weighted average price of the shares sold ranging from $135.89 to $136.88 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
May 29, 2025 Filed Jun 2, 2025 21:23 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 2,602 $135.42 $352,356.60
Disclosure

SEC source: 0001415889-25-015257 · form4-06022025_090605.xml · nonDerivative · entry 2

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 243,860

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

F2 · price: The sale price represents the weighted average price of the shares sold ranging from $134.77 to $135.65 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
May 29, 2025 Filed Jun 2, 2025 21:23 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionCommon Stock 6,500 $25.56 $166,140.00
Disclosure

SEC source: 0001415889-25-015257 · form4-06022025_090605.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 246,462

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

Read SEC document
May 01, 2025 Filed May 5, 2025 20:54 UTC QUALYS, INC. QLYS · Entity 1519 Tax withholdingCommon Stock 6,351 $127.02 $806,704.02
Disclosure

SEC source: 0001415889-25-011989 · form4-05052025_080502.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 239,962

F1 · shares: The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units.

Read SEC document
April 14, 2025 Filed Apr 15, 2025 21:18 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionStock Option (right to buy) · Derivative 7,000 $25.56 Strike: $25.56 $178,920.00
Disclosure

SEC source: 0001415889-25-010709 · form4-04152025_090426.xml · derivative · entry 5

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 52,000

Underlying: Common Stock · 7,000 shares

Expires 2026-04-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F5 · derivative.exercise_date: The option is fully vested and immediately exercisable.

Read SEC document
April 14, 2025 Filed Apr 15, 2025 21:18 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 3,337 $124.62 $415,843.26
Disclosure

SEC source: 0001415889-25-010709 · form4-04152025_090426.xml · nonDerivative · entry 4

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 246,313

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F4 · price: The sale price represents the weighted average price of the shares sold ranging from $124.17 to $124.86 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
April 14, 2025 Filed Apr 15, 2025 21:18 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 1,500 $123.73 $185,591.55
Disclosure

SEC source: 0001415889-25-010709 · form4-04152025_090426.xml · nonDerivative · entry 3

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 249,650

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F3 · price: The sale price represents the weighted average price of the shares sold ranging from $123.15 to $124.13 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
April 14, 2025 Filed Apr 15, 2025 21:18 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 2,163 $122.62 $265,229.22
Disclosure

SEC source: 0001415889-25-010709 · form4-04152025_090426.xml · nonDerivative · entry 2

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 251,150

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F2 · price: The sale price represents the weighted average price of the shares sold ranging from $122.15 to $123.14 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
April 14, 2025 Filed Apr 15, 2025 21:18 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionCommon Stock 7,000 $25.56 $178,920.00
Disclosure

SEC source: 0001415889-25-010709 · form4-04152025_090426.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 253,313

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

Read SEC document
March 14, 2025 Filed Mar 18, 2025 20:56 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionStock Option (right to buy) · Derivative 7,000 $25.56 Strike: $25.56 $178,920.00
Disclosure

SEC source: 0001415889-25-008435 · form4-03182025_080342.xml · derivative · entry 6

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,000

Underlying: Common Stock · 7,000 shares

Expires 2026-04-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F6 · derivative.exercise_date: The option is fully vested and immediately exercisable.

Read SEC document
March 14, 2025 Filed Mar 18, 2025 20:56 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 1,286 $126.24 $162,346.70
Disclosure

SEC source: 0001415889-25-008435 · form4-03182025_080342.xml · nonDerivative · entry 5

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 246,313

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F5 · price: The sale price represents the weighted average price of the shares sold ranging from $126.02 to $126.46 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
March 14, 2025 Filed Mar 18, 2025 20:56 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 3,290 $125.68 $413,480.62
Disclosure

SEC source: 0001415889-25-008435 · form4-03182025_080342.xml · nonDerivative · entry 4

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 247,599

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F4 · price: The sale price represents the weighted average price of the shares sold ranging from $125.00 to $125.99 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
March 14, 2025 Filed Mar 18, 2025 20:56 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 1,324 $124.32 $164,602.73
Disclosure

SEC source: 0001415889-25-008435 · form4-03182025_080342.xml · nonDerivative · entry 3

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 250,889

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F3 · price: The sale price represents the weighted average price of the shares sold ranging from $123.94 to $124.90 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
March 14, 2025 Filed Mar 18, 2025 20:56 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 1,100 $123.49 $135,842.08
Disclosure

SEC source: 0001415889-25-008435 · form4-03182025_080342.xml · nonDerivative · entry 2

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 252,213

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F2 · price: The sale price represents the weighted average price of the shares sold ranging from $122.82 to $123.79 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
March 14, 2025 Filed Mar 18, 2025 20:56 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionCommon Stock 7,000 $25.56 $178,920.00
Disclosure

SEC source: 0001415889-25-008435 · form4-03182025_080342.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 253,313

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

Read SEC document
February 15, 2025 Filed Feb 18, 2025 23:28 UTC QUALYS, INC. QLYS · Entity 1519 GrantCommon Stock 169 $103.94 $17,565.86
Disclosure

SEC source: 0001415889-25-004501 · form4-02182025_110259.xml · nonDerivative · entry 6

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 246,313

F6 · shares: These shares were acquire on February 15, 2025 through the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

Read SEC document
February 14, 2025 Filed Feb 18, 2025 23:28 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionStock Option (right to buy) · Derivative 7,000 $25.56 Strike: $25.56 $178,920.00
Disclosure

SEC source: 0001415889-25-004501 · form4-02182025_110259.xml · derivative · entry 7

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,000

Underlying: Common Stock · 7,000 shares

Expires 2026-04-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F7 · derivative.exercise_date: The option is fully vested and immediately exercisable.

Read SEC document
February 14, 2025 Filed Feb 18, 2025 23:28 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 65 $143.66 $9,338.21
Disclosure

SEC source: 0001415889-25-004501 · form4-02182025_110259.xml · nonDerivative · entry 5

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 246,144

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F5 · price: The sale price represents the weighted average price of the shares sold ranging from $143.66 to $143.67 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
February 14, 2025 Filed Feb 18, 2025 23:28 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 2,195 $143.07 $314,043.92
Disclosure

SEC source: 0001415889-25-004501 · form4-02182025_110259.xml · nonDerivative · entry 4

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 246,209

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F4 · price: The sale price represents the weighted average price of the shares sold ranging from $142.65 to $143.64 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
February 14, 2025 Filed Feb 18, 2025 23:28 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 2,350 $142.08 $333,876.49
Disclosure

SEC source: 0001415889-25-004501 · form4-02182025_110259.xml · nonDerivative · entry 3

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 248,404

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F3 · price: The sale price represents the weighted average price of the shares sold ranging from $141.65 to $142.64 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

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February 14, 2025 Filed Feb 18, 2025 23:28 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 2,390 $141.38 $337,901.79
Disclosure

SEC source: 0001415889-25-004501 · form4-02182025_110259.xml · nonDerivative · entry 2

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 250,754

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F2 · price: The sale price represents the weighted average price of the shares sold ranging from $140.65 to $141.64 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

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February 14, 2025 Filed Feb 18, 2025 23:28 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionCommon Stock 7,000 $25.56 $178,920.00
Disclosure

SEC source: 0001415889-25-004501 · form4-02182025_110259.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 253,144

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

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February 01, 2025 Filed Feb 4, 2025 01:19 UTC QUALYS, INC. QLYS · Entity 1519 Tax withholdingCommon Stock 6,349 $139.41 $885,114.09
Disclosure

SEC source: 0001415889-25-002814 · form4-02042025_010239.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 246,144

F1 · shares: The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units.

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January 30, 2025 Filed Jan 31, 2025 23:31 UTC QUALYS, INC. QLYS · Entity 1519 Tax withholdingCommon Stock 7,710 $139.73 $1,077,318.30
Disclosure

SEC source: 0001415889-25-002549 · form4-01312025_110159.xml · nonDerivative · entry 8

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 252,493

F6 · shares: The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 26, 2023.

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January 30, 2025 Filed Jan 31, 2025 23:31 UTC QUALYS, INC. QLYS · Entity 1519 GrantCommon Stock 15,183 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-002549 · form4-01312025_110159.xml · nonDerivative · entry 7

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 260,203

F5 · shares: Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 26, 2023.

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January 30, 2025 Filed Jan 31, 2025 23:31 UTC QUALYS, INC. QLYS · Entity 1519 Tax withholdingCommon Stock 5,394 $139.73 $753,703.62
Disclosure

SEC source: 0001415889-25-002549 · form4-01312025_110159.xml · nonDerivative · entry 6

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 245,020

F2 · shares: The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 28, 2021.

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January 30, 2025 Filed Jan 31, 2025 23:31 UTC QUALYS, INC. QLYS · Entity 1519 GrantCommon Stock 10,621 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-002549 · form4-01312025_110159.xml · nonDerivative · entry 5

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250,414

F1 · shares: Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 28, 2021.

Read SEC document
January 30, 2025 Filed Jan 31, 2025 23:31 UTC QUALYS, INC. QLYS · Entity 1519 Tax withholdingCommon Stock 7,708 $139.73 $1,077,038.84
Disclosure

SEC source: 0001415889-25-002549 · form4-01312025_110159.xml · nonDerivative · entry 4

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 239,793

F4 · shares: The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 27, 2022.

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January 30, 2025 Filed Jan 31, 2025 23:31 UTC QUALYS, INC. QLYS · Entity 1519 GrantCommon Stock 15,178 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-002549 · form4-01312025_110159.xml · nonDerivative · entry 3

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 247,501

F3 · shares: Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 27, 2022.

Read SEC document
January 30, 2025 Filed Jan 31, 2025 23:31 UTC QUALYS, INC. QLYS · Entity 1519 Tax withholdingCommon Stock 6,572 $139.73 $918,305.56
Disclosure

SEC source: 0001415889-25-002549 · form4-01312025_110159.xml · nonDerivative · entry 2

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 232,323

F2 · shares: The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 28, 2021.

Read SEC document
January 30, 2025 Filed Jan 31, 2025 23:31 UTC QUALYS, INC. QLYS · Entity 1519 GrantCommon Stock 13,442 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-002549 · form4-01312025_110159.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 238,895

F1 · shares: Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 28, 2021.

Read SEC document
January 14, 2025 Filed Jan 15, 2025 21:52 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionStock Option (right to buy) · Derivative 7,000 $25.56 Strike: $25.56 $178,920.00
Disclosure

SEC source: 0001415889-25-001497 · form4-01152025_090120.xml · derivative · entry 5

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 73,000

Underlying: Common Stock · 7,000 shares

Expires 2026-04-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F5 · derivative.exercise_date: The option is fully vested and immediately exercisable.

Read SEC document
January 14, 2025 Filed Jan 15, 2025 21:52 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 1,864 $135.42 $252,426.42
Disclosure

SEC source: 0001415889-25-001497 · form4-01152025_090120.xml · nonDerivative · entry 4

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 225,453

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F4 · price: The sale price represents the weighted average price of the shares sold ranging from $135.06 to $135.71 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
January 14, 2025 Filed Jan 15, 2025 21:52 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 3,125 $134.54 $420,435.00
Disclosure

SEC source: 0001415889-25-001497 · form4-01152025_090120.xml · nonDerivative · entry 3

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 227,317

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F3 · price: The sale price represents the weighted average price of the shares sold ranging from $134.03 to $134.97 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
January 14, 2025 Filed Jan 15, 2025 21:52 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 2,011 $133.54 $268,552.56
Disclosure

SEC source: 0001415889-25-001497 · form4-01152025_090120.xml · nonDerivative · entry 2

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 230,442

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F2 · price: The sale price represents the weighted average price of the shares sold ranging from $133.01 to $133.97 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
January 14, 2025 Filed Jan 15, 2025 21:52 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionCommon Stock 7,000 $25.56 $178,920.00
Disclosure

SEC source: 0001415889-25-001497 · form4-01152025_090120.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 232,453

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

Read SEC document
December 16, 2024 Filed Dec 17, 2024 21:15 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionStock Option (right to buy) · Derivative 7,000 $25.56 Strike: $25.56 $178,920.00
Disclosure

SEC source: 0001415889-24-029598 · form4-12172024_091217.xml · derivative · entry 6

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 80,000

Underlying: Common Stock · 7,000 shares

Expires 2026-04-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F5 · derivative.exercise_date: The option is fully vested and immediately exercisable.

Read SEC document
December 16, 2024 Filed Dec 17, 2024 21:15 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 40 $149.65 $5,986.00
Disclosure

SEC source: 0001415889-24-029598 · form4-12172024_091217.xml · nonDerivative · entry 5

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 225,453

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

Read SEC document
December 16, 2024 Filed Dec 17, 2024 21:15 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 1,200 $148.34 $178,011.48
Disclosure

SEC source: 0001415889-24-029598 · form4-12172024_091217.xml · nonDerivative · entry 4

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 225,493

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F4 · price: The sale price represents the weighted average price of the shares sold ranging from $148.04 to $148.70 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
December 16, 2024 Filed Dec 17, 2024 21:15 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 2,335 $147.51 $344,437.02
Disclosure

SEC source: 0001415889-24-029598 · form4-12172024_091217.xml · nonDerivative · entry 3

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 226,693

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F3 · price: The sale price represents the weighted average price of the shares sold ranging from $147.04 to $148.01 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
December 16, 2024 Filed Dec 17, 2024 21:15 UTC QUALYS, INC. QLYS · Entity 1519 SaleCommon Stock 3,425 $146.48 $501,702.56
Disclosure

SEC source: 0001415889-24-029598 · form4-12172024_091217.xml · nonDerivative · entry 2

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 229,028

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F2 · price: The sale price represents the weighted average price of the shares sold ranging from $146.02 to $147.01 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Read SEC document
December 16, 2024 Filed Dec 17, 2024 21:15 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionCommon Stock 7,000 $25.56 $178,920.00
Disclosure

SEC source: 0001415889-24-029598 · form4-12172024_091217.xml · nonDerivative · entry 1

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 232,453

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

Read SEC document
November 14, 2024 Filed Nov 18, 2024 22:29 UTC QUALYS, INC. QLYS · Entity 1519 Exercise / conversionStock Option (right to buy) · Derivative 7,000 $25.56 Strike: $25.56 $178,920.00
Disclosure

SEC source: 0001415889-24-027114 · form4-11182024_101108.xml · derivative · entry 5

Thakar Sumedh S · CIK 0001558242 · Director · CEO & PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 87,000

Underlying: Common Stock · 7,000 shares

Expires 2026-04-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2024.

F4 · derivative.exercise_date: The option is fully vested and immediately exercisable.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.