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
Sep 14, 2026 SForm 4 →Sep 16, 6:01 pm EDTDiego RotsztainChief Governance/Legal Officer50,625$68.15$3,450,06734,870−59.2%10b5-1
Sep 14, 2026 MForm 4 →Sep 16, 6:01 pm EDTDiego RotsztainChief Governance/Legal Officer50,625$12.26$620,66385,495—10b5-1
Sep 14, 2026 SForm 4 →Sep 16, 4:09 pm EDTAbigail H PerkinsChief Information Officer8,924$68.83$614,21887,739−9.23%10b5-1
Sep 14, 2026 SForm 4 →Sep 15, 9:41 pm EDTMark Lowry MaurerOther103,092$67.94$7,004,494203,244−33.7%10b5-1
Sep 14, 2026 MForm 4 →Sep 15, 9:41 pm EDTMark Lowry MaurerOther69,372$8.90$617,411306,336—10b5-1
Sep 10, 2026 GForm 4 →Sep 11, 7:59 am EDTCharles M LyonPresident500——324,242—
Aug 14, 2026 SForm 4 →Aug 17, 8:28 pm EDTWilliam J DunawayChief Financial Officer96,490$66.35$6,401,803502,203−16.1%10b5-1
Aug 14, 2026 MForm 4 →Aug 17, 8:28 pm EDTWilliam J DunawayChief Financial Officer126,562$8.90$1,126,402598,693—10b5-1
Aug 10, 2026 SForm 4 →Aug 11, 7:59 pm EDTAbigail H PerkinsChief Information Officer4,500$64.81$291,66296,663−4.45%10b5-1
Aug 10, 2026 MForm 4 →Aug 11, 7:59 pm EDTAbigail H PerkinsChief Information Officer4,500$12.26$55,170101,163—10b5-1
Aug 10, 2026 PForm 4 →Aug 11, 4:28 pm EDTDhamu R. ThamodaranDirector2,500$64.48$161,20675,760+3.41%
Aug 7, 2026 SForm 4 →Aug 11, 4:19 pm EDTMark Lowry MaurerOther52,648$66.25$3,487,935236,964−18.2%10b5-1
Aug 7, 2026 MForm 4 →Aug 11, 4:19 pm EDTMark Lowry MaurerOther69,372$8.90$617,411289,612—10b5-1
Aug 5, 2026 SForm 4 →Aug 6, 4:45 pm EDTJohn Moore FowlerDirector1,575$75.41$118,771255,271−0.61%10b5-1
Jul 31, 2026 AFForm 4/A →Aug 5, 8:00 pm EDTJohn Moore FowlerDirector371$77.62$15,291256,846—
Jul 31, 2026 AForm 4 →Aug 5, 6:06 am EDTDiane L. CooperDirector116——56,102— late
Jul 31, 2026 AForm 4 →Aug 5, 6:06 am EDTJohn RadziwillChairman of the Board, Director219——231,850— late
Jul 31, 2026 AForm 4 →Aug 3, 8:06 pm EDTDhamu R. ThamodaranDirector142——5,648—
Jul 31, 2026 AFForm 4 →Aug 3, 8:05 pm EDTJohn Moore FowlerDirector404$77.62$17,853256,813— amended
Jul 31, 2026 AForm 4 →Aug 3, 8:04 pm EDTSteven A KassDirector174——80,073—
Jul 24, 2026 SForm 4 →Jul 27, 7:29 pm EDTDiego RotsztainChief Governance/Legal Officer20,630$74.40$1,534,88634,870−37.2%10b5-1
Jul 22, 2026 SForm 4 →Jul 23, 8:31 pm EDTDiego RotsztainChief Governance/Legal Officer29,995$74.32$2,229,28255,500−35.1%10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:31 pm EDTDiego RotsztainChief Governance/Legal Officer50,625$12.26$620,66385,495—10b5-1
Jul 22, 2026 SForm 4 →Jul 23, 8:30 pm EDTSean Michael OconnorExecutive Vice-Chairman-Board, Director104,934$74.33$7,799,7761,750,447−5.66%10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:30 pm EDTSean Michael OconnorExecutive Vice-Chairman-Board, Director225,000$8.90$2,002,5001,855,381—10b5-1
Jul 22, 2026 SForm 4 →Jul 23, 8:30 pm EDTWilliam J DunawayChief Financial Officer95,970$74.33$7,133,325472,131−16.9%10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:30 pm EDTWilliam J DunawayChief Financial Officer126,563$8.90$1,126,411568,101—10b5-1
Jul 22, 2026 SForm 4 →Jul 23, 8:29 pm EDTPhilip Andrew SmithChief Executive Officer, Director45,000$74.32$3,344,481738,216−5.75%10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:29 pm EDTPhilip Andrew SmithChief Executive Officer, Director45,000$8.90$400,500783,216—10b5-1
Jul 22, 2026 SForm 4 →Jul 23, 8:29 pm EDTMark Lowry MaurerOther52,376$74.32$3,892,679220,240−19.2%10b5-1
Jul 22, 2026 MForm 4 →Jul 23, 8:29 pm EDTMark Lowry MaurerOther69,372$8.90$617,411272,616—10b5-1
Jul 20, 2026 SForm 4 →Jul 21, 8:17 pm EDTAbigail H PerkinsChief Information Officer8,919$70.43$628,14796,663−8.45%10b5-1
Jul 15, 2026 SForm 4 →Jul 16, 9:57 pm EDTAnnabelle G BexigaDirector1,500$113.92$170,88018,688−7.43%10b5-1
Jun 30, 2026 MForm 4 →Jul 1, 6:48 pm EDTPhilip Andrew SmithChief Executive Officer, Director37,500$13.34$500,250529,644—10b5-1
Jun 30, 2026 SForm 4 →Jul 1, 6:48 pm EDTPhilip Andrew SmithChief Executive Officer, Director51,540$118.72$6,119,075492,144−9.48%10b5-1
Jun 15, 2026 SForm 4 →Jun 17, 4:55 pm EDTMark Lowry MaurerOther46,248$134.89$6,238,422135,496−25.4%10b5-1
Jun 15, 2026 MForm 4 →Jun 17, 4:55 pm EDTMark Lowry MaurerOther46,248$13.34$616,948181,744—10b5-1
Jun 15, 2026 SForm 4 →Jun 16, 4:31 pm EDTAnnabelle G BexigaDirector1,500$133.36$200,04020,188−6.92%10b5-1
Jun 15, 2026 GForm 4 →Jun 15, 7:30 pm EDTAbigail H PerkinsChief Information Officer2,000——70,388—
Jun 12, 2026 SForm 4 →Jun 16, 4:35 pm EDTCharles M LyonPresident9,000$131.96$1,187,640216,495−3.99%
Jun 12, 2026 SForm 4 →Jun 16, 4:32 pm EDTSean Michael OconnorExecutive Vice-Chairman-Board, Director150,000$133.29$19,993,0501,086,921−12.1%
Jun 12, 2026 SForm 4 →Jun 15, 7:43 pm EDTWilliam J DunawayChief Financial Officer63,602$131.16$8,342,013294,359−17.8%10b5-1
Jun 12, 2026 MForm 4 →Jun 15, 7:43 pm EDTWilliam J DunawayChief Financial Officer84,375$13.34$1,125,563357,961—10b5-1
Jun 8, 2026 SForm 4 →Jun 9, 8:22 pm EDTAbigail H PerkinsChief Information Officer4,312$118.51$511,02572,388−5.62%10b5-1
Jun 8, 2026 MForm 4 →Jun 9, 8:22 pm EDTAbigail H PerkinsChief Information Officer4,312$18.39$79,29876,700—10b5-1
Feb 13, 2019 AForm 4 →Feb 15, 4:37 pm ESTEric ParthemoreDirector1,712——22,740— plan?
Feb 13, 2019 AForm 4 →Feb 15, 4:36 pm ESTDiane L. CooperDirector1,712——2,089— plan?
Feb 13, 2019 AForm 4 →Feb 15, 4:36 pm ESTScott J BranchDirector1,712——500,122— plan?
Feb 13, 2019 AForm 4 →Feb 15, 4:35 pm ESTSteven A KassDirector1,712——4,285— plan?
Feb 13, 2019 AForm 4 →Feb 15, 4:35 pm ESTJohn Moore FowlerDirector1,712——57,242— plan?
Feb 13, 2019 AForm 4 →Feb 15, 4:34 pm ESTJohn RadziwillChairman of the Board, Director1,712——29,642— plan?
Feb 13, 2019 AForm 4 →Feb 15, 4:34 pm ESTBruce KrehbielDirector1,712——24,867— plan?
Feb 13, 2019 AForm 4 →Feb 15, 4:33 pm ESTDaryl K HenzeDirector1,712——22,080— plan?
Jan 31, 2019 AForm 4 →Feb 4, 4:24 pm ESTEric ParthemoreDirector223——21,028— plan?
Jan 31, 2019 AForm 4 →Feb 4, 4:23 pm ESTJohn RadziwillChairman of the Board, Director281——27,930— plan?
Jan 31, 2019 AForm 4 →Feb 4, 4:22 pm ESTSteven A KassDirector202——2,573— plan?
Jan 31, 2019 AForm 4 →Feb 4, 4:22 pm ESTBruce KrehbielDirector202——23,155— plan?
Jan 31, 2019 AForm 4 →Feb 4, 4:21 pm ESTJohn Moore FowlerDirector223——55,530— plan?
Dec 20, 2018 GForm 4 →Dec 21, 4:31 pm ESTScott J BranchDirector15,000$35.92$538,800498,410— plan?
Dec 14, 2018 AForm 4 →Dec 17, 8:05 pm ESTAaron SchroederChief Accounting Officer2,136——12,269— plan?
Dec 14, 2018 AGForm 4 →Dec 17, 8:05 pm ESTSean Michael OconnorCEO/President, Director19,813$37.56$28,170317,452— plan?
Dec 14, 2018 AForm 4 →Dec 17, 8:04 pm ESTMark Lowry MaurerOther6,355——10,905— plan?
Dec 14, 2018 AForm 4 →Dec 17, 8:03 pm ESTPhilip Andrew SmithOther10,591——124,869— plan?
Dec 14, 2018 AForm 4 →Dec 17, 8:03 pm ESTCharles M LyonOther10,591——30,541— plan?
Dec 14, 2018 AForm 4 →Dec 17, 8:02 pm ESTPatricia Marie HarrodOther4,237——9,244— plan?
Dec 14, 2018 AForm 4 →Dec 17, 8:02 pm ESTXuong NguyenChief Operating Officer9,532——32,080— plan?
Dec 14, 2018 AForm 4 →Dec 17, 8:01 pm ESTWilliam J DunawayChief Financial Officer8,473——39,531— plan?
Oct 31, 2018 AForm 4 →Nov 2, 4:12 pm EDTSteven A KassDirector151——2,371— plan?
Oct 31, 2018 AForm 4 →Nov 2, 4:12 pm EDTBruce KrehbielDirector151——22,953— plan?
Oct 31, 2018 AForm 4 →Nov 2, 4:10 pm EDTEric ParthemoreDirector161——20,805— plan?
Oct 31, 2018 AForm 4 →Nov 2, 4:09 pm EDTJohn RadziwillChairman of the Board, Director211——27,649— plan?
Oct 31, 2018 AForm 4 →Nov 2, 4:09 pm EDTJohn Moore FowlerDirector129——55,307— plan?
Jul 31, 2018 AForm 4 →Aug 2, 4:46 pm EDTJohn Moore FowlerDirector113——55,178— plan?
Jul 31, 2018 AForm 4 →Aug 2, 4:45 pm EDTBruce KrehbielDirector131——22,802— plan?
Jul 31, 2018 AForm 4 →Aug 2, 4:45 pm EDTEric ParthemoreDirector141——20,644— plan?
Jul 31, 2018 AForm 4 →Aug 2, 4:45 pm EDTJohn RadziwillChairman of the Board, Director184——27,438— plan?
Jul 31, 2018 AForm 4 →Aug 2, 4:44 pm EDTSteven A KassDirector131——2,220— plan?
Jul 18, 2018 SForm 4 →Jul 19, 4:53 pm EDTbrian T sephtonChief Legal Officer5,000$55.00$275,000108,137−4.42% plan?
Jul 18, 2018 SForm 4 →Jul 19, 4:53 pm EDTWilliam J DunawayChief Financial Officer2,500$55.00$137,50031,058−7.45% plan?
Jul 2, 2018 SForm 4 →Jul 5, 4:42 pm EDTPaul G AndersonDirector9,320$51.75$482,30917,867−34.3% plan?
Jun 29, 2018 GForm 4 →Jul 2, 4:38 pm EDTScott J BranchDirector28,000$51.71$1,447,880513,410— plan?
Jun 26, 2018 GForm 4 →Jun 27, 4:32 pm EDTJohn Moore FowlerDirector200$51.98$10,39655,065— plan?
Jun 14, 2018 SForm 4 →Jun 18, 5:00 pm EDTSean Michael OconnorCEO/President, Director29,800$52.00$1,549,600299,139−9.06% plan?
Jun 14, 2018 SForm 4 →Jun 18, 5:00 pm EDTScott J BranchDirector46,400$52.17$2,420,700541,410−7.89% plan?
Jun 14, 2018 SForm 4 →Jun 14, 5:06 pm EDTAaron SchroederChief Accounting Officer1,000$51.80$51,80410,133−8.98% plan?
Jun 14, 2018 MForm 4 →Jun 14, 5:06 pm EDTAaron SchroederChief Accounting Officer1,000$20.54$20,54011,133— plan?
Jun 13, 2018 SForm 4 →Jun 13, 4:36 pm EDTXuong NguyenChief Operating Officer1,500$50.50$75,75422,548−6.24% plan?
Jun 11, 2018 GForm 4 →Jun 13, 4:37 pm EDTJohn Moore FowlerDirector500$51.45$25,72555,265— plan?
Jun 7, 2018 SForm 4 →Jun 8, 5:46 pm EDTDaryl K HenzeDirector1,046$51.34$53,70620,368−4.88% plan?
Jun 6, 2018 SForm 4 →Jun 8, 5:47 pm EDTScott J BranchDirector3,600$52.00$187,200587,810−0.61% plan?
Jun 6, 2018 SForm 4 →Jun 8, 5:47 pm EDTSean Michael OconnorCEO/President, Director200$52.00$10,400328,939−0.06% plan?
May 31, 2018 SForm 4 →Jun 1, 4:23 pm EDTWilliam J DunawayChief Financial Officer1,000$50.00$50,00133,558−2.89% plan?
May 22, 2018 SForm 4 →May 23, 4:36 pm EDTPatricia Marie HarrodOther2,000$48.75$97,5075,007−28.5% plan?
May 22, 2018 MForm 4 →May 23, 4:36 pm EDTPatricia Marie HarrodOther2,000$20.54$41,0807,007— plan?
May 11, 2018 SForm 4 →May 15, 7:23 pm EDTCharles M LyonOther19,622$46.57$913,88919,950−49.6% plan?
May 9, 2018 SForm 4 →May 11, 6:07 pm EDTScott J BranchDirector50,000$47.02$2,350,817591,410−7.80% plan?
May 9, 2018 SForm 4 →May 11, 6:06 pm EDTPhilip Andrew SmithOther4,360$47.03$205,072114,278−3.68% plan?
Apr 30, 2018 AForm 4 →May 2, 4:40 pm EDTBruce KrehbielDirector155——22,671— plan?
Apr 30, 2018 AForm 4 →May 2, 4:40 pm EDTJohn Moore FowlerDirector133——55,765— plan?
Apr 30, 2018 AForm 4 →May 2, 4:40 pm EDTSteven A KassDirector80——2,089— 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—