Form4insider filings, from the source

Company · CIK 0000913760 · SIC 6200 — Security & Commodity Brokers, Dealers, Exchanges & Services · Nasdaq

StoneX Group Inc. · SNEX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $754k · 6sales $118.5M · 87net −$117.7M
$10k$10k$1M$1M$100M$100MbuyssalesSep 2012Jan 2015May 2017Sep 2019Jan 2022May 2024Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jan 30, 2015 AForm 4 →Feb 3, 4:40 pm ESTJohn RadziwillChairman of the Board, Director500——20,724— plan?
Jan 30, 2015 AForm 4 →Feb 3, 4:40 pm ESTBruce KrehbielDirector417——15,664— plan?
Jan 30, 2015 AForm 4 →Feb 3, 4:40 pm ESTDaryl K HenzeDirector341——14,833— plan?
Dec 31, 2014 PForm 4 →Jan 5, 2015, 4:45 pm ESTCharles M LyonCEO - subsidiary entity452$20.54$9,2848,633+5.52% plan?
Mar 17, 2014 SForm 5 →Feb 17, 2015, 5:01 pm ESTXuong NguyenOther3,201$18.85$60,33911,509−21.8% plan?
Sep 28, 2012 SForm 5 →Dec 31, 2015, 4:13 pm ESTPaul G AndersonDirector7,202$19.06$137,27033,863−17.5% plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 MForm 4 →Sep 16, 6:01 pm EDTDiego RotsztainChief Governance/Legal Officer50,625——506,250—10b5-1
Sep 14, 2026 MForm 4 →Sep 15, 9:41 pm EDTMark Lowry MaurerOther69,372——575,622—10b5-1
Aug 14, 2026 MForm 4 →Aug 17, 8:28 pm EDTWilliam J DunawayChief Financial Officer126,562——506,250—10b5-1
Aug 10, 2026 MForm 4 →Aug 11, 7:59 pm EDTAbigail H PerkinsChief Information Officer4,500——515,250—10b5-1
Aug 7, 2026 MForm 4 →Aug 11, 4:19 pm EDTMark Lowry MaurerOther69,372——644,994—10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:31 pm EDTDiego RotsztainChief Governance/Legal Officer50,625——556,875—10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:30 pm EDTSean Michael OconnorExecutive Vice-Chairman-Board, Director225,000——1,676,250—10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:30 pm EDTWilliam J DunawayChief Financial Officer126,563——632,812—10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:29 pm EDTPhilip Andrew SmithChief Executive Officer, Director45,000——916,875—10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:29 pm EDTMark Lowry MaurerOther69,372——714,366—10b5-1
Jun 30, 2026 MForm 4 →Jul 1, 6:48 pm EDTPhilip Andrew SmithChief Executive Officer, Director37,500——641,250—10b5-1
Jun 15, 2026 MForm 4 →Jun 17, 4:55 pm EDTMark Lowry MaurerOther46,248——522,492—10b5-1
Jun 12, 2026 MForm 4 →Jun 15, 7:43 pm EDTWilliam J DunawayChief Financial Officer84,375——506,250—10b5-1
Jun 8, 2026 MForm 4 →Jun 9, 8:22 pm EDTAbigail H PerkinsChief Information Officer4,312——346,500—10b5-1
Feb 13, 2019 AForm 4 →Feb 15, 4:51 pm ESTCharles M LyonOther100,000$45.00$4,500,000100,000—
Feb 13, 2019 AForm 4 →Feb 15, 4:50 pm ESTXuong NguyenChief Operating Officer100,000$45.00$4,500,000180,000—
Feb 13, 2019 AForm 4 →Feb 15, 4:50 pm ESTSean Michael OconnorCEO/President, Director200,000$45.00$9,000,000400,000—
Feb 13, 2019 AForm 4 →Feb 15, 4:49 pm ESTMark Lowry MaurerOther100,000$45.00$4,500,000100,000—
Feb 13, 2019 AForm 4 →Feb 15, 4:49 pm ESTPhilip Andrew SmithOther100,000$45.00$4,500,000180,000—
Feb 13, 2019 AForm 4 →Feb 15, 4:48 pm ESTPatricia Marie HarrodOther100,000$45.00$4,500,000100,000—
Feb 13, 2019 AForm 4 →Feb 15, 4:48 pm ESTWilliam J DunawayChief Financial Officer100,000$45.00$4,500,000180,000—
Jun 14, 2018 MForm 4 →Jun 14, 5:06 pm EDTAaron SchroederChief Accounting Officer1,000$20.54$20,5400—
May 22, 2018 MForm 4 →May 23, 4:36 pm EDTPatricia Marie HarrodOther2,000$20.54$41,0800—
Dec 28, 2017 MForm 4 →Dec 29, 4:18 pm ESTAaron SchroederChief Accounting Officer1,000——0—
Aug 29, 2017 MForm 4 →Aug 30, 4:39 pm EDTMark Lowry MaurerOther3,000——0—
Aug 4, 2017 MForm 4 →Aug 7, 5:13 pm EDTPatricia Marie HarrodOther1,333$19.24$25,6470—
Dec 21, 2016 XForm 4 →Dec 21, 4:32 pm ESTAaron SchroederChief Accounting Officer2,000$19.24$38,4801,000—
Dec 19, 2016 XForm 4 →Dec 21, 4:33 pm ESTScott J BranchDirector40,000$25.91$1,036,40060,000—
Dec 16, 2016 XForm 4 →Dec 19, 5:43 pm ESTMalcolm James WildeOther20,000$23.55$471,00060,000—
Jun 2, 2016 MForm 4 →Jun 6, 4:39 pm EDTPaul G AndersonDirector10,070$18.64$187,70573,012—
May 31, 2016 MForm 4 →Jun 2, 4:09 pm EDTWilliam J DunawayChief Financial Officer9,735$18.64$181,46093,275—
Mar 17, 2016 MForm 4 →Mar 21, 4:34 pm EDTAaron SchroederChief Accounting Officer2,000$18.64$37,2800—
Dec 10, 2015 MForm 4 →Dec 14, 9:26 am ESTPaul G AndersonDirector6,330$18.64$117,99110,070—
Dec 7, 2015 MForm 4 →Dec 9, 8:44 am ESTPaul G AndersonDirector2,600$18.64$48,46416,400—
Dec 2, 2015 MForm 4 →Dec 3, 5:30 pm ESTPaul G AndersonDirector2,700$18.64$50,32819,000—
Nov 27, 2015 MForm 4 →Dec 1, 4:32 pm ESTPaul G AndersonDirector2,040$18.64$38,02621,700—
Nov 6, 2015 MForm 4 →Nov 9, 4:25 pm ESTPaul G AndersonDirector20,000$18.64$372,80023,740—
Oct 23, 2015 MForm 4 →Oct 27, 5:00 pm EDTBruce KrehbielDirector12,980$18.64$241,9470—
Oct 13, 2015 MForm 4 →Oct 14, 5:13 pm EDTPaul G AndersonDirector20,000$18.64$372,80043,740—
May 8, 2015 MForm 4 →May 11, 4:58 pm EDTEric ParthemoreDirector9,912$18.64$184,7608,960—
Mar 12, 2015 MForm 4 →Mar 16, 4:17 pm EDTAaron SchroederGroup Controller1,392$18.64$25,9472,000—
Mar 3, 2015 MForm 4 →Mar 5, 4:25 pm ESTPaul G AndersonDirector35,000$18.64$652,40063,740—
Jan 8, 2015 AForm 4 →Jan 12, 4:57 pm ESTAaron SchroederGroup Controller1,000$20.54$20,54010,710—
Jan 16, 2014 AForm 5 →Jan 12, 2015, 4:56 pm ESTAaron SchroederGroup Controller3,000$19.24$57,7209,710—