Last 12 months
Inside the activity.
1 purchase rows · 18 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 1 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 17 |
| Mar 2026 | 0 | 1 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
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 date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| October 01, 2026 Filed Oct 6, 2026 00:09 UTC |
BARNES CORBINSVP, Corporate Dev and IR
|
GrantPhantom Stock · Derivative | 2,642 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-414699 · ownership.xml · derivative · entry 1 BARNES CORBIN · CIK 0001861656 · SVP, Corporate Dev and IR 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,642 Underlying: Common Stock · 2,642 shares Expires 2028-10-01 F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of IOSP common stock. F2 · derivative.exercise_date: Award will vest according to the following schedule (each such date, a "Vesting Date"), subject to reporting persons continued employment and satisfactory performance: 25% on February 1, 2027; 25% on October 1, 2027; and 50% on October 1, 2028. Read SEC document |
| October 01, 2026 Filed Oct 6, 2026 00:02 UTC |
GRIFFIN HARDY LOUIS IIISVP, HUMAN RESOURCES
|
GrantPhantom Stock · Derivative | 2,685 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-414694 · ownership.xml · derivative · entry 1 GRIFFIN HARDY LOUIS III · CIK 0001862015 · SVP, HUMAN RESOURCES 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,685 Underlying: Common Stock · 2,685 shares Expires 2028-10-01 F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of IOSP common stock. F2 · derivative.exercise_date: Award will vest according to the following schedule (each such date, a "Vesting Date"), subject to reporting persons continued employment and satisfactory performance: 25% on February 1, 2027; 25% on October 1, 2027; and 50% on October 1, 2028. Read SEC document |
| October 01, 2026 Filed Oct 5, 2026 23:55 UTC |
Cleminson IanEVP & CFO
|
GrantPhantom Stock · Derivative | 4,792 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-414685 · ownership.xml · derivative · entry 1 Cleminson Ian · CIK 0001368260 · EVP & CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,792 Underlying: Common Stock · 4,792 shares Expires 2028-10-01 F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of IOSP common stock. F2 · derivative.exercise_date: Award will vest according to the following schedule (each such date, a "Vesting Date"), subject to reporting persons continued employment and satisfactory performance: 25% on February 1, 2027; 25% on October 1, 2027; and 50% on October 1, 2028. Read SEC document |
| October 01, 2026 Filed Oct 5, 2026 23:48 UTC |
MCROBBIE IAN MALCOLMSenior VP R&T
|
GrantPhantom Stock · Derivative | 3,164 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-414672 · ownership.xml · derivative · entry 1 MCROBBIE IAN MALCOLM · CIK 0001233480 · Senior VP R&T 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,164 Underlying: Common Stock · 3,164 shares Expires 2028-10-01 F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of IOSP common stock. F2 · derivative.exercise_date: Award will vest according to the following schedule (each such date, a "Vesting Date"), subject to reporting persons continued employment and satisfactory performance: 25% on February 1, 2027; 25% on October 1, 2027; and 50% on October 1, 2028. Read SEC document |
| October 01, 2026 Filed Oct 5, 2026 23:37 UTC |
Jones David B.SVP, GC & CCO
|
GrantPhantom Stock · Derivative | 3,188 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-414650 · ownership.xml · derivative · entry 1 Jones David B. · CIK 0001730447 · SVP, GC & CCO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,188 Underlying: Common Stock · 3,188 shares Expires 2028-10-01 F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of IOSP common stock. F2 · derivative.exercise_date: Award will vest according to the following schedule (each such date, a "Vesting Date"), subject to reporting persons continued employment and satisfactory performance: 25% on February 1, 2027; 25% on October 1, 2027; and 50% on October 1, 2028. Read SEC document |
| October 01, 2026 Filed Oct 5, 2026 23:30 UTC |
Williams PatrickPRESIDENT & CEO
|
GrantPhantom Stock · Derivative | 22,203 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-414645 · ownership.xml · derivative · entry 1 Williams Patrick · CIK 0001338883 · PRESIDENT & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,203 Underlying: Common Stock · 22,203 shares Expires 2028-10-01 F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of IOSP common stock. F2 · derivative.exercise_date: Award will vest according to the following schedule (each such date, a "Vesting Date"), subject to reporting persons continued employment and satisfactory performance: 25% on February 1, 2027; 25% on October 1, 2027; and 50% on October 1, 2028. Read SEC document |
| March 03, 2026 Filed Mar 4, 2026 00:00 UTC |
Jones David B.SVP, GC & CCO
|
SaleCommon Stock | 1,028 | $75.64 | $77,757.92 |
DisclosureSEC source: 0001193125-26-089161 · ownership.xml · nonDerivative · entry 2 Jones David B. · CIK 0001730447 · SVP, GC & CCO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,693 Read SEC document |
| February 27, 2026 Filed Mar 4, 2026 00:30 UTC |
Blackmore Milton CDirector
|
SaleCommon Stock | 594 | $76.56 | $45,474.38 |
DisclosureSEC source: 0001193125-26-089359 · ownership.xml · nonDerivative · entry 1 Blackmore Milton C · CIK 0001493440 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,530 Read SEC document |
| February 27, 2026 Filed Mar 4, 2026 00:21 UTC |
Poccia ClaudiaDirector
|
SaleCommon Stock | 119 | $76.56 | $9,110.19 |
DisclosureSEC source: 0001193125-26-089317 · ownership.xml · nonDerivative · entry 1 Poccia Claudia · CIK 0001783881 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,508 F1 · kind: Shares sold through a "broker sale" solely to settle tax withholding obligations in connection with the vesting of time-based restricted stock units. Read SEC document |
| February 27, 2026 Filed Mar 4, 2026 00:25 UTC |
PADFIELD LarryDirector
|
SaleCommon Stock | 594 | $76.56 | $45,474.38 |
DisclosureSEC source: 0001193125-26-089348 · ownership.xml · nonDerivative · entry 1 PADFIELD Larry · CIK 0001567635 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,453 Read SEC document |
| February 27, 2026 Filed Mar 4, 2026 00:14 UTC |
GRIFFIN HARDY LOUIS IIISVP, HUMAN RESOURCES
|
Tax withholdingCommon Stock | 401 | $78.34 | $31,414.34 |
DisclosureSEC source: 0001193125-26-089295 · ownership.xml · nonDerivative · entry 1 GRIFFIN HARDY LOUIS III · CIK 0001862015 · SVP, HUMAN RESOURCES 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,161 F1 · shares: Shares withheld to settle income tax liability incurred upon vesting of restricted stock unit award on February 27, 2026. Read SEC document |
| February 27, 2026 Filed Mar 4, 2026 00:07 UTC |
LANDLESS DAVIDDirector
|
SaleCommon Stock | 594 | $76.56 | $45,474.38 |
DisclosureSEC source: 0001193125-26-089280 · ownership.xml · nonDerivative · entry 1 LANDLESS DAVID · CIK 0001667356 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,632 Read SEC document |
| February 27, 2026 Filed Mar 4, 2026 00:00 UTC |
Jones David B.SVP, GC & CCO
|
Tax withholdingCommon Stock | 875 | $78.34 | $68,547.50 |
DisclosureSEC source: 0001193125-26-089161 · ownership.xml · nonDerivative · entry 1 Jones David B. · CIK 0001730447 · SVP, GC & CCO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,721 F1 · shares: Shares withheld to settle income tax liability incurred upon vesting of restricted stock unit award on February 27, 2026. Read SEC document |
| February 27, 2026 Filed Mar 3, 2026 23:46 UTC |
Cleminson IanEVP & CFO
|
SaleCommon Stock | 2,380 | $76.56 | $182,212.80 |
DisclosureSEC source: 0001193125-26-089095 · ownership.xml · nonDerivative · entry 1 Cleminson Ian · CIK 0001368260 · EVP & CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,357 Read SEC document |
| February 27, 2026 Filed Mar 3, 2026 23:54 UTC |
BARNES CORBINSVP, Corporate Dev and IR
|
Tax withholdingCommon Stock | 166 | $78.34 | $13,004.44 |
DisclosureSEC source: 0001193125-26-089116 · ownership.xml · nonDerivative · entry 1 BARNES CORBIN · CIK 0001861656 · SVP, Corporate Dev and IR 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,079.6117 F1 · shares: Shares withheld to settle income tax liability incurred upon vesting of restricted stock unit award on February 27, 2026. Read SEC document |
| February 27, 2026 Filed Mar 3, 2026 23:41 UTC |
Williams PatrickPRESIDENT & CEO
|
Tax withholdingCommon Stock | 7,966 | $78.34 | $624,056.44 |
DisclosureSEC source: 0001193125-26-089087 · ownership.xml · nonDerivative · entry 1 Williams Patrick · CIK 0001338883 · PRESIDENT & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 231,535 F1 · shares: Shares withheld to settle income tax liability incurred upon vesting of restricted stock unit award on February 27, 2026. Read SEC document |
| February 27, 2026 Filed Mar 7, 2026 00:47 UTC Amendment |
Blackmore Milton CDirector
|
SaleCommon Stock | 307 | $76.79 | $23,574.53 |
DisclosureSEC source: 0001193125-26-097180 · ownership.xml · nonDerivative · entry 2 Blackmore Milton C · CIK 0001493440 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,530 F2 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $76.555 to $77.0713. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 27, 2026 Filed Mar 7, 2026 00:47 UTC Amendment |
Blackmore Milton CDirector
|
SaleCommon Stock | 287 | $76.30 | $21,898.10 |
DisclosureSEC source: 0001193125-26-097180 · ownership.xml · nonDerivative · entry 1 Blackmore Milton C · CIK 0001493440 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,837 F1 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $75.5001 to $76.55. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 27, 2026 Filed Mar 7, 2026 00:41 UTC Amendment |
PADFIELD LarryDirector
|
SaleCommon Stock | 307 | $76.79 | $23,574.53 |
DisclosureSEC source: 0001193125-26-097170 · ownership.xml · nonDerivative · entry 2 PADFIELD Larry · CIK 0001567635 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,453 F2 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $76.555 to $77.0713. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 27, 2026 Filed Mar 7, 2026 00:41 UTC Amendment |
PADFIELD LarryDirector
|
SaleCommon Stock | 287 | $76.30 | $21,898.10 |
DisclosureSEC source: 0001193125-26-097170 · ownership.xml · nonDerivative · entry 1 PADFIELD Larry · CIK 0001567635 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,760 F1 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $75.5001 to $76.55. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 27, 2026 Filed Mar 6, 2026 22:34 UTC Amendment |
Poccia ClaudiaDirector
|
SaleCommon Stock | 62 | $76.79 | $4,760.98 |
DisclosureSEC source: 0001193125-26-096992 · ownership.xml · nonDerivative · entry 2 Poccia Claudia · CIK 0001783881 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,508 F2 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $76.555 to $77.0713. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 27, 2026 Filed Mar 6, 2026 22:34 UTC Amendment |
Poccia ClaudiaDirector
|
SaleCommon Stock | 57 | $76.30 | $4,349.10 |
DisclosureSEC source: 0001193125-26-096992 · ownership.xml · nonDerivative · entry 1 Poccia Claudia · CIK 0001783881 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,570 F1 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $75.5001 to $76.55. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 27, 2026 Filed Mar 6, 2026 22:31 UTC Amendment |
LANDLESS DAVIDDirector
|
SaleCommon Stock | 307 | $76.79 | $23,574.53 |
DisclosureSEC source: 0001193125-26-096987 · ownership.xml · nonDerivative · entry 2 LANDLESS DAVID · CIK 0001667356 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,632 F2 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $76.555 to $77.0713. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 27, 2026 Filed Mar 6, 2026 22:31 UTC Amendment |
LANDLESS DAVIDDirector
|
SaleCommon Stock | 287 | $76.30 | $21,898.10 |
DisclosureSEC source: 0001193125-26-096987 · ownership.xml · nonDerivative · entry 1 LANDLESS DAVID · CIK 0001667356 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,939 F1 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $75.5001 to $76.55. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 27, 2026 Filed Mar 6, 2026 22:28 UTC Amendment |
Cleminson IanEVP & CFO
|
SaleCommon Stock | 1,231 | $76.79 | $94,528.49 |
DisclosureSEC source: 0001193125-26-096980 · ownership.xml · nonDerivative · entry 2 Cleminson Ian · CIK 0001368260 · EVP & CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,357 F2 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $76.555 to $77.0713. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 27, 2026 Filed Mar 6, 2026 22:28 UTC Amendment |
Cleminson IanEVP & CFO
|
SaleCommon Stock | 1,149 | $76.30 | $87,668.70 |
DisclosureSEC source: 0001193125-26-096980 · ownership.xml · nonDerivative · entry 1 Cleminson Ian · CIK 0001368260 · EVP & CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,588 F1 · price: This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $75.5001 to $76.55. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. Read SEC document |
| February 23, 2026 Filed Feb 24, 2026 23:45 UTC |
PARRETTE LESLIE JDirector
|
GrantCommon Stock | 1,539 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-067804 · ownership.xml · nonDerivative · entry 1 PARRETTE LESLIE J · CIK 0001159202 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,376 F1 · shares: Represents Restricted Stock Units ("RSUs") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director. Read SEC document |
| February 23, 2026 Filed Feb 24, 2026 23:41 UTC |
LANDLESS DAVIDDirector
|
GrantCommon Stock | 1,539 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-067786 · ownership.xml · nonDerivative · entry 1 LANDLESS DAVID · CIK 0001667356 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,226 F1 · shares: Represents Restricted Stock Units ("RSUs") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director. Read SEC document |
| February 23, 2026 Filed Feb 24, 2026 23:33 UTC |
Poccia ClaudiaDirector
|
GrantCommon Stock | 1,539 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-067764 · ownership.xml · nonDerivative · entry 1 Poccia Claudia · CIK 0001783881 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,627 F1 · shares: Represents Restricted Stock Units ("RSUs") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director. Read SEC document |
| February 23, 2026 Filed Feb 24, 2026 23:29 UTC |
Blackmore Milton CDirector
|
GrantCommon Stock | 1,539 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-067750 · ownership.xml · nonDerivative · entry 3 Blackmore Milton C · CIK 0001493440 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 11,124 F1 · shares: Represents Restricted Stock Units ("RSUs") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director. Read SEC document |
| February 23, 2026 Filed Feb 24, 2026 23:24 UTC |
PADFIELD LarryDirector
|
GrantCommon Stock | 1,539 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-067734 · ownership.xml · nonDerivative · entry 3 PADFIELD Larry · CIK 0001567635 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,047 F1 · shares: Represents Restricted Stock Units ("RSUs") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director. Read SEC document |
| February 23, 2026 Filed Feb 26, 2026 00:07 UTC |
BARNES CORBINSVP, Corporate Dev and IR
|
GrantCommon Stock | 2,481 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-072493 · ownership.xml · nonDerivative · entry 1 BARNES CORBIN · CIK 0001861656 · SVP, Corporate Dev and IR 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,245.6117 F1 · shares: Represents Restricted Stock Units ("RSUs") granted on February 23, 2026 which vest in full on February 23, 2029. Read SEC document |
| February 23, 2026 Filed Feb 25, 2026 23:38 UTC |
Cleminson IanEVP & CFO
|
GrantCommon Stock | 4,499 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-072437 · ownership.xml · nonDerivative · entry 1 Cleminson Ian · CIK 0001368260 · EVP & CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,737 F1 · shares: Represents Restricted Stock Units ("RSUs") granted on February 23, 2026 which vest in full on February 23, 2029. Read SEC document |
| February 23, 2026 Filed Feb 25, 2026 23:56 UTC |
GRIFFIN HARDY LOUIS IIISVP, HUMAN RESOURCES
|
GrantCommon Stock | 2,521 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-072465 · ownership.xml · nonDerivative · entry 1 GRIFFIN HARDY LOUIS III · CIK 0001862015 · SVP, HUMAN RESOURCES 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,562 F1 · shares: Represents Restricted Stock Units ("RSUs") granted on February 23, 2026 which vest in full on February 23, 2029. Read SEC document |
| February 23, 2026 Filed Feb 25, 2026 22:58 UTC |
Williams PatrickPRESIDENT & CEO
|
GrantCommon Stock | 20,846 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-072309 · ownership.xml · nonDerivative · entry 1 Williams Patrick · CIK 0001338883 · PRESIDENT & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 239,501 F1 · shares: Represents Restricted Stock Units ("RSUs") granted on February 23, 2026 which vest in full on February 23, 2029. Read SEC document |
| February 23, 2026 Filed Feb 25, 2026 22:53 UTC |
Jones David B.SVP, GC & CCO
|
GrantCommon Stock | 2,993 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-072295 · ownership.xml · nonDerivative · entry 1 Jones David B. · CIK 0001730447 · SVP, GC & CCO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 16,596 F1 · shares: Represents Restricted Stock Units ("RSUs") granted on February 23, 2026 which vest in full on February 23, 2029. Read SEC document |
| February 23, 2026 Filed Feb 25, 2026 22:42 UTC |
Blair GraemeHead of Group Finance
|
GrantPhantom Stock · Derivative | 520 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-072257 · ownership.xml · derivative · entry 1 Blair Graeme · CIK 0001816235 · Head of Group Finance 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 520 Underlying: Common Stock · 520 shares Expires 2029-02-23 F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of Innospec common stock. The award is scheduled to automatically settle in cash on the Expiration Date based on the closing price of Innospec common stock on that date. Read SEC document |
| February 23, 2026 Filed Feb 25, 2026 22:36 UTC |
MCROBBIE IAN MALCOLMSenior VP R&T
|
GrantPhantom Stock · Derivative | 2,228 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-072234 · ownership.xml · derivative · entry 1 MCROBBIE IAN MALCOLM · CIK 0001233480 · Senior VP R&T 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,228 Underlying: Common Stock · 2,228 shares Expires 2029-02-23 F1 · derivative.exercise_price: Each share of phantom stock is the economic equivalent of one share of Innospec common stock. The award is scheduled to automatically settle in cash on the Expiration Date based on the closing price of Innospec common stock on that date. Read SEC document |
| February 23, 2026 Filed Feb 25, 2026 22:26 UTC |
Arnold Elizabeth KDirector
|
GrantCommon Stock | 1,539 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-072169 · ownership.xml · nonDerivative · entry 1 Arnold Elizabeth K · CIK 0001785365 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,376 F1 · shares: Represents Restricted Stock Units ("RSUs") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director. Read SEC document |
| February 20, 2026 Filed Feb 24, 2026 23:29 UTC |
Blackmore Milton CDirector
|
Exercise / conversionStock Option · Derivative | 1,030 | $0.00 Strike: $44.18 | $0.00 |
DisclosureSEC source: 0001193125-26-067750 · ownership.xml · derivative · entry 4 Blackmore Milton C · CIK 0001493440 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 1,030 shares Expires 2026-02-22 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. Read SEC document |
| February 20, 2026 Filed Feb 24, 2026 23:29 UTC |
Blackmore Milton CDirector
|
SaleCommon Stock | 1,030 | $81.84 | $84,296.13 |
DisclosureSEC source: 0001193125-26-067750 · ownership.xml · nonDerivative · entry 2 Blackmore Milton C · CIK 0001493440 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,585 Read SEC document |
| February 20, 2026 Filed Feb 24, 2026 23:29 UTC |
Blackmore Milton CDirector
|
Exercise / conversionCommon Stock | 1,030 | $44.18 | $45,505.40 |
DisclosureSEC source: 0001193125-26-067750 · ownership.xml · nonDerivative · entry 1 Blackmore Milton C · CIK 0001493440 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,615 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. Read SEC document |
| February 20, 2026 Filed Feb 24, 2026 23:24 UTC |
PADFIELD LarryDirector
|
Exercise / conversionStock Option · Derivative | 1,030 | $0.00 Strike: $44.18 | $0.00 |
DisclosureSEC source: 0001193125-26-067734 · ownership.xml · derivative · entry 4 PADFIELD Larry · CIK 0001567635 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 1,030 shares Expires 2026-02-22 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. Read SEC document |
| February 20, 2026 Filed Feb 24, 2026 23:24 UTC |
PADFIELD LarryDirector
|
SaleCommon Stock | 1,030 | $81.84 | $84,296.13 |
DisclosureSEC source: 0001193125-26-067734 · ownership.xml · nonDerivative · entry 2 PADFIELD Larry · CIK 0001567635 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,508 Read SEC document |
| February 20, 2026 Filed Feb 24, 2026 23:24 UTC |
PADFIELD LarryDirector
|
Exercise / conversionCommon Stock | 1,030 | $44.18 | $45,505.40 |
DisclosureSEC source: 0001193125-26-067734 · ownership.xml · nonDerivative · entry 1 PADFIELD Larry · CIK 0001567635 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,538 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. Read SEC document |
| February 16, 2026 Filed Feb 18, 2026 23:04 UTC |
BARNES CORBINSVP, Corporate Dev and IR
|
GrantCommon Stock | 1,730 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-057588 · ownership.xml · nonDerivative · entry 1 BARNES CORBIN · CIK 0001861656 · SVP, Corporate Dev and IR 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,764.6117 F1 · shares: Shares of common stock acquired upon settlement of a performance-based restricted stock unit award granted to the reporting person on February 27, 2023. Read SEC document |
| February 16, 2026 Filed Feb 18, 2026 23:00 UTC |
GRIFFIN HARDY LOUIS IIISVP, HUMAN RESOURCES
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GrantCommon Stock | 1,299 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-057580 · ownership.xml · nonDerivative · entry 1 GRIFFIN HARDY LOUIS III · CIK 0001862015 · SVP, HUMAN RESOURCES 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,041 F1 · shares: Shares of common stock acquired upon settlement of a performance-based restricted stock unit award granted to the reporting person on February 27, 2023. Read SEC document |
| February 16, 2026 Filed Feb 18, 2026 22:50 UTC |
Williams PatrickPRESIDENT & CEO
|
GrantCommon Stock | 18,966 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-057559 · ownership.xml · nonDerivative · entry 1 Williams Patrick · CIK 0001338883 · PRESIDENT & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 218,655 F1 · shares: Shares of common stock acquired upon settlement of a performance-based restricted stock unit award granted to the reporting person on February 27, 2023. Read SEC document |
| February 16, 2026 Filed Feb 18, 2026 22:55 UTC |
Cleminson IanEVP & CFO
|
GrantCommon Stock | 2,380 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-057571 · ownership.xml · nonDerivative · entry 1 Cleminson Ian · CIK 0001368260 · EVP & CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 18,238 F1 · shares: Shares of common stock acquired upon settlement of a performance-based restricted stock unit award granted to the reporting person on February 27, 2023. Read SEC document |
| February 16, 2026 Filed Feb 18, 2026 22:45 UTC |
Jones David B.SVP, GC & CCO
|
GrantCommon Stock | 1,903 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-057545 · ownership.xml · nonDerivative · entry 1 Jones David B. · CIK 0001730447 · SVP, GC & CCO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,603 F1 · shares: Shares of common stock acquired upon settlement of a performance-based restricted stock unit award granted to the reporting person on February 27, 2023. 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.