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NYSE · USD

ATMU

Atmus Filtration Technologies Inc.

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Tapewire entity
4079
SEC CIK
0001921963
Parsed reports
124

Last 12 months

Inside the activity.

4 purchase rows · 6 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202501
Dec 202500
Jan 202600
Feb 202600
Mar 202600
Apr 202600
May 202630
Jun 202604
Jul 202600
Aug 202611
Sep 202600
Oct 202600

Latest available

Insider transactions

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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 dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
August 17, 2026 Filed Aug 18, 2026 17:23 UTC
Swan ReneeChief People Officer
SaleCommon Stock 3,870 $50.89 $196,955.91
Disclosure

SEC source: 0001989065-26-000010 · wk-form4_1787073783.xml · nonDerivative · entry 1

Swan Renee · CIK 0001989065 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,875

F1 · shares: Reflects shares sold upon vesting of final portion of August 14, 2023 Restricted Stock Unit Award to pay reporting person's tax withholding obligation.

F2 · price: Reflects the average price of shares sold.

Read SEC document
August 12, 2026 Filed Aug 13, 2026 18:48 UTC PurchaseCommon Stock 2,000 $49.78 $99,551.20
Disclosure

SEC source: 0001432316-26-000007 · wk-form4_1786646937.xml · nonDerivative · entry 1

Macadam Stephen E. · CIK 0001432316 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,588

Read SEC document
June 01, 2026 Filed Jun 2, 2026 22:28 UTC
Swan ReneeChief People Officer
SaleCommon Stock 2,566 $45.25 $116,103.80
Disclosure

SEC source: 0001989065-26-000008 · wk-form4_1780439313.xml · nonDerivative · entry 1

Swan Renee · CIK 0001989065 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,745

F1 · shares: Reflects shares sold upon vesting of first half of launch grant award to pay reporting person's tax withholding obligation.

Read SEC document
June 01, 2026 Filed Jun 2, 2026 22:25 UTC
Masters CharlesSenior Vice President
SaleCommon Stock 2,890 $45.25 $130,763.83
Disclosure

SEC source: 0001977908-26-000008 · wk-form4_1780439153.xml · nonDerivative · entry 1

Masters Charles · CIK 0001977908 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,579

F1 · shares: Reflects shares sold upon vesting of first half of launch grant award to pay reporting person's tax withholding obligation.

Read SEC document
June 01, 2026 Filed Jun 2, 2026 22:24 UTC
Kienzler JackChief Financial Officer
SaleCommon Stock 5,132 $45.25 $232,207.60
Disclosure

SEC source: 0001978216-26-000008 · wk-form4_1780439073.xml · nonDerivative · entry 1

Kienzler Jack · CIK 0001978216 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,804

F1 · shares: Reflects shares sold upon vesting of first half of launch grant award to pay reporting person's tax withholding obligation.

Read SEC document
June 01, 2026 Filed Jun 2, 2026 22:23 UTC
Disher StephanieDirector · Chief Executive Officer
SaleCommon Stock 25,652 $45.25 $1,160,676.04
Disclosure

SEC source: 0001976792-26-000008 · wk-form4_1780438980.xml · nonDerivative · entry 1

Disher Stephanie · CIK 0001976792 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 363,024

F1 · shares: Reflects shares sold upon vesting of first half of launch grant award to pay reporting person's tax withholding obligation.

Read SEC document
May 12, 2026 Filed May 13, 2026 14:49 UTC
Donoso DiegoDirector
GrantCommon Stock 2,619 $0.00 $0.00
Disclosure

SEC source: 0001809708-26-000002 · wk-form4_1778683754.xml · nonDerivative · entry 1

Donoso Diego · CIK 0001809708 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,697

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Read SEC document
May 12, 2026 Filed May 13, 2026 15:06 UTC GrantCommon Stock 2,619 $0.00 $0.00
Disclosure

SEC source: 0001432316-26-000002 · wk-form4_1778684765.xml · nonDerivative · entry 1

Macadam Stephen E. · CIK 0001432316 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,588

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Read SEC document
May 12, 2026 Filed May 13, 2026 15:00 UTC GrantCommon Stock 2,619 $0.00 $0.00
Disclosure

SEC source: 0001403501-26-000004 · wk-form4_1778684439.xml · nonDerivative · entry 1

Leipold Jane A · CIK 0001403501 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,538

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Read SEC document
May 12, 2026 Filed May 13, 2026 14:36 UTC GrantCommon Stock 2,619 $0.00 $0.00
Disclosure

SEC source: 0001236161-26-000003 · wk-form4_1778682989.xml · nonDerivative · entry 4

HAGGERTY GRETCHEN R · CIK 0001236161 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,360.154

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Read SEC document
May 12, 2026 Filed May 13, 2026 14:36 UTC PurchaseCommon Stock 1,872 $55.74 $104,352.77
Disclosure

SEC source: 0001236161-26-000003 · wk-form4_1778682989.xml · nonDerivative · entry 3

HAGGERTY GRETCHEN R · CIK 0001236161 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,741.154

Read SEC document
May 12, 2026 Filed May 13, 2026 14:36 UTC PurchaseCommon Stock 1 $55.74 $55.74
Disclosure

SEC source: 0001236161-26-000003 · wk-form4_1778682989.xml · nonDerivative · entry 2

HAGGERTY GRETCHEN R · CIK 0001236161 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,869.154

Read SEC document
May 12, 2026 Filed May 13, 2026 14:36 UTC PurchaseCommon Stock 100.351 $55.71 $5,590.55
Disclosure

SEC source: 0001236161-26-000003 · wk-form4_1778682989.xml · nonDerivative · entry 1

HAGGERTY GRETCHEN R · CIK 0001236161 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,868.154

Read SEC document
May 12, 2026 Filed May 13, 2026 14:56 UTC GrantCommon Stock 2,619 $0.00 $0.00
Disclosure

SEC source: 0001208954-26-000003 · wk-form4_1778684190.xml · nonDerivative · entry 1

TAYLOR STUART A II · CIK 0001208954 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,697

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Read SEC document
May 12, 2026 Filed May 13, 2026 21:34 UTC
Carpenter Kevin NSVP-Chief Supply Chain Officer
GrantCommon Stock 28,509 $0.00 $0.00
Disclosure

SEC source: 0001921963-26-000055 · wk-form4_1778708070.xml · nonDerivative · entry 1

Carpenter Kevin N · CIK 0001897554 · SVP-Chief Supply Chain Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,509

F1 · security: Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of (i) Atmus' annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027 and (ii) a one-time long-term incentive award, which RSUs will vest in three equal tranches, beginning on May 18, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Read SEC document
May 12, 2026 Filed May 13, 2026 15:11 UTC
Sharp HeathDirector
GrantCommon Stock 2,619 $0.00 $0.00
Disclosure

SEC source: 0002108958-26-000006 · wk-form4_1778685089.xml · nonDerivative · entry 1

Sharp Heath · CIK 0002108958 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,733

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Read SEC document
May 12, 2026 Filed May 13, 2026 14:46 UTC GrantCommon Stock 2,619 $0.00 $0.00
Disclosure

SEC source: 0001978207-26-000002 · wk-form4_1778683557.xml · nonDerivative · entry 1

Bennett Roy Edwin · CIK 0001978207 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,320

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 15:30 UTC
Heltebran LauraCLO & Corp Sec
GrantCommon Stock 3,717 $0.00 $0.00
Disclosure

SEC source: 0001872261-26-000003 · wk-form4_1775158203.xml · nonDerivative · entry 1

Heltebran Laura · CIK 0001872261 · CLO & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,161

F1 · shares: Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 19:33 UTC
Disher StephanieDirector · Chief Executive Officer
GrantCommon Stock 31,492 $0.00 $0.00
Disclosure

SEC source: 0001976792-26-000006 · wk-form4_1775158421.xml · nonDerivative · entry 1

Disher Stephanie · CIK 0001976792 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 388,676

F1 · shares: Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 19:31 UTC
Kienzler JackChief Financial Officer
GrantCommon Stock 5,163 $0.00 $0.00
Disclosure

SEC source: 0001978216-26-000006 · wk-form4_1775158305.xml · nonDerivative · entry 1

Kienzler Jack · CIK 0001978216 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,936

F1 · shares: Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 19:28 UTC
Masters CharlesSenior Vice President
GrantCommon Stock 4,130 $0.00 $0.00
Disclosure

SEC source: 0001977908-26-000006 · wk-form4_1775158127.xml · nonDerivative · entry 1

Masters Charles · CIK 0001977908 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,469

F1 · shares: Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 19:27 UTC
Swan ReneeChief People Officer
GrantCommon Stock 1,962 $0.00 $0.00
Disclosure

SEC source: 0001989065-26-000006 · wk-form4_1775158032.xml · nonDerivative · entry 1

Swan Renee · CIK 0001989065 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,311

F1 · shares: Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 19:08 UTC
Masters CharlesSenior Vice President
Tax withholdingCommon Stock 2,131 $64.53 $137,513.43
Disclosure

SEC source: 0001977908-26-000004 · wk-form4_1772564933.xml · nonDerivative · entry 2

Masters Charles · CIK 0001977908 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,339

F2 · security: Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 19:08 UTC
Masters CharlesSenior Vice President
Tax withholdingCommon Stock 9,046 $64.53 $583,738.38
Disclosure

SEC source: 0001977908-26-000004 · wk-form4_1772564933.xml · nonDerivative · entry 1

Masters Charles · CIK 0001977908 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,470

F1 · security: Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 19:06 UTC
Swan ReneeChief People Officer
Tax withholdingCommon Stock 2,254 $64.53 $145,450.62
Disclosure

SEC source: 0001989065-26-000004 · wk-form4_1772564801.xml · nonDerivative · entry 2

Swan Renee · CIK 0001989065 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,349

F2 · security: Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 19:06 UTC
Swan ReneeChief People Officer
Tax withholdingCommon Stock 9,570 $64.53 $617,552.10
Disclosure

SEC source: 0001989065-26-000004 · wk-form4_1772564801.xml · nonDerivative · entry 1

Swan Renee · CIK 0001989065 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,603

F1 · security: Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 19:02 UTC
Disher StephanieDirector · Chief Executive Officer
Tax withholdingCommon Stock 15,854 $64.53 $1,023,058.62
Disclosure

SEC source: 0001976792-26-000004 · wk-form4_1772564564.xml · nonDerivative · entry 2

Disher Stephanie · CIK 0001976792 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 357,184

F2 · security: Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 19:02 UTC
Disher StephanieDirector · Chief Executive Officer
Tax withholdingCommon Stock 66,639 $64.53 $4,300,214.67
Disclosure

SEC source: 0001976792-26-000004 · wk-form4_1772564564.xml · nonDerivative · entry 1

Disher Stephanie · CIK 0001976792 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 373,038

F1 · security: Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 19:05 UTC
Kienzler JackChief Financial Officer
Tax withholdingCommon Stock 3,851 $64.53 $248,505.03
Disclosure

SEC source: 0001978216-26-000004 · wk-form4_1772564698.xml · nonDerivative · entry 2

Kienzler Jack · CIK 0001978216 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,773

F2 · security: Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 19:05 UTC
Kienzler JackChief Financial Officer
Tax withholdingCommon Stock 16,266 $64.53 $1,049,644.98
Disclosure

SEC source: 0001978216-26-000004 · wk-form4_1772564698.xml · nonDerivative · entry 1

Kienzler Jack · CIK 0001978216 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,624

F1 · security: Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Read SEC document
February 13, 2026 Filed Feb 17, 2026 14:40 UTC
Masters CharlesSenior Vice President
GrantCommon Stock 21,152 $0.00 $0.00
Disclosure

SEC source: 0001977908-26-000002 · wk-form4_1771339197.xml · nonDerivative · entry 1

Masters Charles · CIK 0001977908 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,516

F1 · shares: Reflects shares earned based on achievement of performance metrics of the 2023 Performance Share Unit Award ("PSU") that cliff vest on March 1, 2026. The PSUs will convert 1:1 into common stock.

Read SEC document
February 13, 2026 Filed Feb 17, 2026 14:43 UTC
Swan ReneeChief People Officer
GrantCommon Stock 18,536 $0.00 $0.00
Disclosure

SEC source: 0001989065-26-000002 · wk-form4_1771339396.xml · nonDerivative · entry 1

Swan Renee · CIK 0001989065 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,173

F1 · shares: Reflects shares earned based on achievement of performance metrics of the 2023 Performance Share Unit Award ("PSU") that cliff vest on March 1, 2026. The PSUs will convert 1:1 into common stock.

Read SEC document
February 13, 2026 Filed Feb 17, 2026 14:38 UTC
Kienzler JackChief Financial Officer
GrantCommon Stock 41,094 $0.00 $0.00
Disclosure

SEC source: 0001978216-26-000002 · wk-form4_1771339089.xml · nonDerivative · entry 1

Kienzler Jack · CIK 0001978216 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,890

F1 · shares: Reflects shares earned based on achievement of performance metrics of the 2023 Performance Share Unit Award ("PSU") that cliff vest on March 1, 2026. The PSUs will convert 1:1 into common stock.

Read SEC document
February 13, 2026 Filed Feb 17, 2026 14:35 UTC
Disher StephanieDirector · Chief Executive Officer
GrantCommon Stock 169,209 $0.00 $0.00
Disclosure

SEC source: 0001976792-26-000002 · wk-form4_1771338904.xml · nonDerivative · entry 1

Disher Stephanie · CIK 0001976792 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 439,677

F1 · shares: Reflects shares earned based on achievement of performance metrics of the 2023 Performance Share Unit Award ("PSU") that cliff vest on March 1, 2026. The PSUs will convert 1:1 into common stock.

Read SEC document
February 05, 2026 Filed Feb 9, 2026 17:12 UTC
Sharp HeathDirector
GrantCommon Stock 614 $0.00 $0.00
Disclosure

SEC source: 0002108958-26-000004 · wk-form4_1770657118.xml · nonDerivative · entry 1

Sharp Heath · CIK 0002108958 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,114

Read SEC document
November 18, 2025 Filed Nov 19, 2025 18:35 UTC
Donoso DiegoDirector
OtherCommon Stock 20 $0.00 $0.00
Disclosure

SEC source: 0001809708-25-000004 · wk-form4_1763577305.xml · nonDerivative · entry 5

Donoso Diego · CIK 0001809708 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,078

F2 · kind: On November 18, 2025, the shares from November 13, 2025 were rescinded through the broker's error account and therefore are deemed to have never occurred.

F2 · price: On November 18, 2025, the shares from November 13, 2025 were rescinded through the broker's error account and therefore are deemed to have never occurred.

Read SEC document
November 13, 2025 Filed Nov 19, 2025 18:35 UTC
Donoso DiegoDirector
SaleCommon Stock 20 $48.84 $976.80
Disclosure

SEC source: 0001809708-25-000004 · wk-form4_1763577305.xml · nonDerivative · entry 4

Donoso Diego · CIK 0001809708 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,058

F1 · kind: On November 13, 2025, the sale of these shares by the reporting person was effected by mistake.

Read SEC document
October 03, 2025 Filed Oct 7, 2025 13:32 UTC
Kienzler JackChief Financial Officer
Tax withholdingCommon Stock 25 $44.50 $1,112.50
Disclosure

SEC source: 0001978216-25-000003 · wk-form4_1759843941.xml · nonDerivative · entry 1

Kienzler Jack · CIK 0001978216 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,796

Read SEC document
October 03, 2025 Filed Oct 7, 2025 13:27 UTC
Masters CharlesSenior Vice President
Tax withholdingCommon Stock 28 $44.50 $1,246.00
Disclosure

SEC source: 0001977908-25-000003 · wk-form4_1759843674.xml · nonDerivative · entry 1

Masters Charles · CIK 0001977908 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,364

Read SEC document
September 05, 2025 Filed Nov 19, 2025 18:35 UTC
Donoso DiegoDirector
PurchaseCommon Stock 15 $45.81 $687.15
Disclosure

SEC source: 0001809708-25-000004 · wk-form4_1763577305.xml · nonDerivative · entry 3

Donoso Diego · CIK 0001809708 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,078

Read SEC document
August 14, 2025 Filed Aug 15, 2025 17:31 UTC
Swan ReneeChief People Officer
Tax withholdingCommon Stock 5,007 $45.18 $226,216.26
Disclosure

SEC source: 0001921963-25-000126 · wk-form4_1755279082.xml · nonDerivative · entry 1

Swan Renee · CIK 0001989065 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,637

F1 · security: Shares withheld to pay the reporting person's tax withholding obligation upon vesting of a portion of August 14, 2023 Restricted Stock Unit Award.

Read SEC document
August 13, 2025 Filed Nov 19, 2025 18:35 UTC
Donoso DiegoDirector
PurchaseCommon Stock 25 $45.00 $1,125.00
Disclosure

SEC source: 0001809708-25-000004 · wk-form4_1763577305.xml · nonDerivative · entry 2

Donoso Diego · CIK 0001809708 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,063

Read SEC document
May 20, 2025 Filed May 21, 2025 21:17 UTC
Donoso DiegoDirector
GrantCommon Stock 3,886 $0.00 $0.00
Disclosure

SEC source: 0001921963-25-000101 · wk-form4_1747862219.xml · nonDerivative · entry 1

Donoso Diego · CIK 0001809708 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,078

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

Read SEC document
May 20, 2025 Filed May 21, 2025 21:09 UTC GrantCommon Stock 3,886 $0.00 $0.00
Disclosure

SEC source: 0001921963-25-000095 · wk-form4_1747861746.xml · nonDerivative · entry 1

Macadam Stephen E. · CIK 0001432316 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,969

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

Read SEC document
May 20, 2025 Filed May 21, 2025 21:11 UTC GrantCommon Stock 3,886 $0.00 $0.00
Disclosure

SEC source: 0001921963-25-000097 · wk-form4_1747861868.xml · nonDerivative · entry 1

Leipold Jane A · CIK 0001403501 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,919

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

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May 20, 2025 Filed May 21, 2025 21:14 UTC GrantCommon Stock 3,886 $0.00 $0.00
Disclosure

SEC source: 0001921963-25-000099 · wk-form4_1747862032.xml · nonDerivative · entry 1

HAGGERTY GRETCHEN R · CIK 0001236161 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,767.803

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

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May 20, 2025 Filed May 21, 2025 21:07 UTC GrantCommon Stock 3,886 $0.00 $0.00
Disclosure

SEC source: 0001921963-25-000093 · wk-form4_1747861616.xml · nonDerivative · entry 1

TAYLOR STUART A II · CIK 0001208954 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,078

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

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May 20, 2025 Filed May 21, 2025 21:20 UTC GrantCommon Stock 3,886 $0.00 $0.00
Disclosure

SEC source: 0001921963-25-000103 · wk-form4_1747862448.xml · nonDerivative · entry 1

Bennett Roy Edwin · CIK 0001978207 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,701

F1 · security: Reflects Restricted Share Units ("RSUs") granted on May 20, 2025, as part of the 2025-2026 Annual Director Compensation. The RSUs fully vest on May 20, 2026, or the next Annual Meeting of Stockholders, whichever comes first.

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May 13, 2025 Filed May 13, 2025 15:57 UTC
Heltebran LauraCLO & Corp Sec
GrantCommon Stock 20,444 $0.00 $0.00
Disclosure

SEC source: 0001921963-25-000085 · wk-form4_1747166248.xml · nonDerivative · entry 1

Heltebran Laura · CIK 0001872261 · CLO & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,444

F1 · shares: Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of (i) Atmus' annual long-term incentive compensation program, which RSUs will cliff vest on March 1, 2028 and (ii) a one-time long-term incentive award, which RSUs will cliff vest on May 13, 2028. Each RSU that vests will be settled with one share of Atmus common stock.

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April 02, 2025 Filed Nov 19, 2025 18:35 UTC
Donoso DiegoDirector
SaleCommon Stock 40 $37.79 $1,511.60
Disclosure

SEC source: 0001809708-25-000004 · wk-form4_1763577305.xml · nonDerivative · entry 1

Donoso Diego · CIK 0001809708 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,038

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