InsiderTrades

Masters Charles

SEC CIK 1977908 · EDGAR

Buying vs selling by month open-market trades, last 24 months, ATMU
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ATMUAtmus Filtration Technologies Inc.VP, Engine Products 43.6K — $130.8K 182023-06-162026-06-01

Most active insiders at ATMU, 12 months

#InsiderTitleBoughtSold
1 Disher StephanieCEO, Dir —$1.16M
2 Swan ReneeCHRO —$313.1K
3 Kienzler JackCFO —$232.2K
4 Masters CharlesSVP —$130.8K
5 HAGGERTY GRETCHEN RDir $110.0K—
6 Macadam Stephen E.Dir $99.6K—
7 Sharp HeathDir ——
8 Bennett Roy EdwinDir ——
9 Carpenter Kevin NSVP-Chief Supply Chain Off ——
10 Heltebran LauraCLO, Corp Sec ——

Transactions 18

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-06-02 18:25 2026-06-01 ATMU Atmus Filtration Technologies Inc. Masters Charles SVP S - Sale $45.25 -2,890 43.6K -6% -$130.8K
2026-04-02 15:28 2026-04-01 ATMU Atmus Filtration Technologies Inc. Masters Charles SVP A - Grant $0.00 +4,130 46.5K +10% $0
M 2026-03-03 2026-02-27 ATMU Atmus Filtration Technologies Inc. Masters Charles SVP F - Tax $64.53 -11.2K 42.3K -21% -$721.3K
2026-02-17 2026-02-13 ATMU Atmus Filtration Technologies Inc. Masters Charles SVP A - Grant $0.00 +21.2K 53.5K +65% $0
2025-10-07 2025-10-03 ATMU Atmus Filtration Technologies Inc. Masters Charles SVP F - Tax $44.50 -28 32.4K -0.1% -$1,246
2025-04-03 2025-04-01 ATMU Atmus Filtration Technologies Inc. Masters Charles SVP A - Grant $0.00 +4,402 32.4K +16% $0
M 2025-03-05 2025-03-03 ATMU Atmus Filtration Technologies Inc. Masters Charles SVP F - Tax $39.80 -1,306 28.0K -4% -$52.0K
2025-02-19 2025-02-17 ATMU Atmus Filtration Technologies Inc. Masters Charles SVP A - Grant $0.00 +2,252 29.3K +8% $0
A 2025-01-23 2024-10-03 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products F - Tax $37.96 -20 27.0K -0.1% -$759.20
2024-10-07 2024-10-03 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products F - Tax $37.96 -26 27.1K -0.1% -$986.96
2024-10-07 2024-10-03 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products A - Grant $0.00 +87 27.2K +0.3% $0
2024-04-17 2024-04-16 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products A - Grant $0.00 +186 27.1K +0.7% $0
2024-04-03 2024-04-01 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products A - Grant $0.00 +4,772 26.9K +22% $0
2024-03-05 2024-03-01 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products A - Grant $0.00 +704 23.4K +3% $0
M 2024-03-05 2024-03-01 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products F - Tax $23.96 -1,282 22.1K -5% -$30.7K
2023-08-15 2023-08-14 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products A - Grant — +12.6K 22.7K +125% —
2023-07-05 2023-06-30 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products A - Grant — +5,036 10.1K +100% —
2023-06-21 2023-06-16 ATMU Atmus Filtration Technologies Inc. Masters Charles VP, Engine Products A - Grant — +5,038 5,038 New —

Purchase Sale Sale after option exercise All abbreviations