Most active insider buyers

The corporate insiders buying the most stock on the open market, ranked by total dollars purchased across the Form 4 filings we track. A Executive buyer tag identifies a senior executive from the reported role text.

11,555 matching insiders · ranked by total dollars purchased in our tracked filings

#InsiderTickersBuysTotal boughtLast buy
5501
See Remark (a)
1$109.4KSep 20, 2024
5502
ELDER WILLIAM ROBERTExecutive buyer
CFO, GC & Secretary
5$109.3KNov 18, 2025
5503
Williams Wayne DExecutive buyer
Director, CEO, Chairman and President, 10% Owner
6$109.3KDec 16, 2025
5504
MERRILL ALLAN PExecutive buyer
Director, Chairman, President and CEO
1$109.1KFeb 7, 2025
5505
Director
5$109.1KDec 9, 2025
5506
Crate Darrell WExecutive buyer
Director, President & CEO
1$109.1KDec 23, 2024
5507
Director
1$109.1KAug 12, 2026
5508
Director
1$109.1KSep 11, 2026
5509
Director
1$109.0KMar 6, 2025
5510
Barzee NickExecutive buyer
SVP and CFO
4$108.9KMar 5, 2026
5511
Bevis Harold CExecutive buyer
Director, President and CEO
4$108.8KMay 14, 2025
5512
Director
2$108.8KOct 29, 2026
5513
Director
2$108.7KMay 7, 2025
5514
Director
1$108.7KOct 24, 2025
5515
Goncalves Celso L JrExecutive buyer
EVP, CFO
1$108.7KJun 12, 2024
5516
Director
8$108.6KDec 11, 2025
5517
Sims David CExecutive buyer
Director, CFO, CCO, Secretary, Treasurer
3$108.6KOct 16, 2026
5518
Director
1$108.6KFeb 27, 2026
5519
BREWER OLIVER G IIIExecutive buyer
Director, President and CEO
1$108.6KMay 14, 2025
5520
Director
1$108.5KOct 31, 2025
5521
10% Owner
1$108.5KDec 2, 2024
5522
ROBERTS BRIAN KENNETHExecutive buyer
Chief Medical Officer
8$108.5KDec 16, 2025
5523
Director
11$108.3KFeb 5, 2025
5524
Maheshwari ShubhamExecutive buyer
Chief Financial Officer
1$108.2KAug 12, 2024
5525
Director
6$108.1KJan 7, 2026
5526
Director
1$108.1KOct 31, 2025
5527
Lange Douglas A.Executive buyer
VP - WATER TREATMENT GROUP
1$108.1KAug 25, 2026
5528
Director
1$108.0KMar 7, 2025
5529
Director, Chief Executive Officer, 10% Owner
1$108.0KMay 21, 2024
5530
Director
1$108.0KMay 30, 2024
5531
Anderson Woodrow DExecutive buyer
Chief Accounting Officer
2$108.0KAug 27, 2026
5532
Director
4$107.8KMay 14, 2025
5533
Director
1$107.8KNov 12, 2024
5534
Manfre Thomas S.Executive buyer
EVP AND CFO
1$107.7KDec 5, 2025
5535
Director
1$107.7KJul 30, 2024
5536
Director
4$107.7KJun 5, 2024
5537
Eppers JosephExecutive buyer
EVP, Chief Investment Officer
1$107.7KJul 25, 2025
5538
Director
1$107.6KJun 12, 2024
5539
Chief Product & Tech Officer
1$107.6KFeb 21, 2025
5540
Director
1$107.6KNov 10, 2025
5541
Director
1$107.5KJul 2, 2025
5542
Gilstrap Charles AExecutive buyer
SVP, Treasury, Tax & CAO
1$107.5KAug 10, 2026
5543
Director
2$107.5KFeb 24, 2026
5544
Director
3$107.4KMar 13, 2025
5545
10% Owner
1$107.4KJul 2, 2024
5546
Thye DirkExecutive buyer
Director, CEO AND CHIEF MEDICAL OFFICER
2$107.4KAug 30, 2024
5547
Director
7$107.3KOct 28, 2025
5548
McMahon Stephen AExecutive buyer
EVP, Chief Customer Officer
1$107.3KMar 3, 2026
5549
Rasche Steven PExecutive buyer
Executive Vice President
1$107.2KJun 13, 2024
5550
Director
9$107.2KMar 31, 2026