WaveMan · Form 4
Insider buying on May 28, 2026
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Insider buying on May 28, 2026

On May 28, 2026, 63 insiders at 53 companies filed 94 purchases reported on Form 4, worth $56.1M in all, with a median purchase of $60.6K. The largest was GoldenTree Asset Management LLC, 10% owner of CIK 2052250, who reported buying 1,254,921 shares worth $12.8M. Officers accounted for 37 purchases, directors who are not officers for 40, and 10% owners with no board or officer role for 16. Chief executives and chief financial officers filed 22 purchases: Wurster Richard A, President & CEO, Director of Schwab Charles Corp (SCHW); Barry John F, CHIEF EXECUTIVE OFFICER, Director, 10% owner of Prospect Capital Corp (PSEC); Bailey David F, Chief Executive Officer, Director, 10% owner of Nakamoto Inc. (NAKA) among others. 8 companies showed cluster buying, two or more insiders buying within 7 days, among them UBCP (8 insiders), RLI (3 insiders), FKYS (3 insiders), CIK 1885551 (3 insiders). For 15 insiders of 63, this was the first purchase of that company's stock on our record. That is more than the 88 purchases filed on May 27, 2026. A Form 4 is due within two business days of the trade, so most of these purchases were made earlier in the week. Code P also covers shares bought privately from the company, so one large figure can be a negotiated placement rather than buying on the exchange.

Insider purchases filed May 28, 2026

Form 4, transaction code P, non-derivative, largest first
CompanyValueInsiderRoleSharesFiled
CIK 2052250$12.8MGoldenTree Asset Management LLC10% owner1,254,9212026-05-28
ARTV Artiva Biotherapeutics, Inc.$12.5MGC Corp.10% owner1,085,0692026-05-28
HLNE Hamilton Lane INC$4.2MRogers Hartley R.Executive Co-Chairman, Director, 10% owner47,0252026-05-28
ARTV Artiva Biotherapeutics, Inc.$4.0MGC Corp.10% owner347,2222026-05-28
GF New Germany Fund Inc$2.9MSaba Capital Management, L.P.10% owner241,5932026-05-28
STRUX STRUX$2.5MStepStone Group LP10% owner215,5172026-05-28
SCHW Schwab Charles Corp$1.8MWurster Richard APresident & CEO, Director21,9592026-05-28
COR Cencora, Inc.$1.1MDurcan Dermot MarkDirector4,0002026-05-28
PSEC Prospect Capital Corp$997.6KBarry John FCHIEF EXECUTIVE OFFICER, Director, 10% owner430,0002026-05-28
MXF Mexico Fund Inc$993.4KSaba Capital Management, L.P.10% owner44,6082026-05-28
GLOB Globant S.A.$971.7KAguzin Alejandro NicolasDirector25,0002026-05-28
PAM Pampa Energy Inc.$926.8KMindlin Marcos MarceloDirector, 10% owner275,0002026-05-28
LOGC ContextLogic Holdings Inc.$813.0KBobbili RajaDirector, 10% owner92,9182026-05-28
HLNE Hamilton Lane INC$721.2KRogers Hartley R.Executive Co-Chairman, Director, 10% owner7,9752026-05-28
DNUT Krispy Kreme, Inc.$687.4KHees BernardoDirector200,9892026-05-28
CDZI Cadiz Inc$507.8KO'Hara David MarkDirector110,8652026-05-28
STRUX STRUX$500.0KStepStone Group LP10% owner50,0502026-05-28
XPEPX XPEPX$500.0KMiller Jeffrey GrantExecutive Vice President17,0422026-05-28
BSM Black Stone Minerals, L.P.$497.4KDeWalch D MarkDirector37,6502026-05-28
NAKA Nakamoto Inc.$370.2KBailey David FChief Executive Officer, Director, 10% owner79,1042026-05-28
PLYX Polaryx Therapeutics, Inc.$360.0KMstone Partners Healthcare LtdChief Executive Officer, Director, 10% owner88,4532026-05-28
CAVA Cava Group, Inc.$317.8KThompson Douglas W.Chief Operations Officer4,0002026-05-28
MXF Mexico Fund Inc$316.7KSaba Capital Management, L.P.10% owner14,4022026-05-28
LOGC ContextLogic Holdings Inc.$279.8KBobbili RajaDirector, 10% owner32,4212026-05-28
NAKA Nakamoto Inc.$268.3KBailey David FChief Executive Officer, Director, 10% owner48,0002026-05-28
HAWK HawkEye 360, Inc.$260.0KFinelli Francis AlphonseDirector10,0002026-05-28
CRT Cross Timbers Royalty Trust$254.4KSoftVest GP I, LLC10% owner23,3862026-05-28
MTDR Matador Resources Co$244.8KForan Joseph WmChairman and CEO, Director4,6752026-05-28
TMCI Treace Medical Concepts, Inc.$184.8KTreace John T.Chief Executive Officer, Director, 10% owner61,2022026-05-28
NAKA Nakamoto Inc.$175.8KBailey David FChief Executive Officer, Director, 10% owner31,5002026-05-28
PAX Patria Investments Ltd$172.2KNeto Olimpio MatarazzoDirector15,0002026-05-28
PAX Patria Investments Ltd$169.7KNeto Olimpio MatarazzoDirector15,0002026-05-28
DGICA Donegal Group Inc$147.3KDonegal Mutual Insurance Co10% owner8,5002026-05-28
STEX Streamex Corp.$147.1KLekstrom Morgan LeeInterim Executive Chairman, Director47,0002026-05-28
DGICA Donegal Group Inc$145.8KDonegal Mutual Insurance Co10% owner8,5002026-05-28
TMCI Treace Medical Concepts, Inc.$143.0KTreace John T.Chief Executive Officer, Director, 10% owner49,8102026-05-28
NWBI Northwest Bancshares, Inc.$139.7KHunter Timothy MDirector10,0002026-05-28
NAKA Nakamoto Inc.$137.1KBailey David FChief Executive Officer, Director, 10% owner25,7292026-05-28
HAWK HawkEye 360, Inc.$130.0KFinelli Francis AlphonseDirector5,0002026-05-28
RLI Rli Corp$105.4KKlobnak Jennifer LCHIEF OPERATING OFFICER2,0002026-05-28
RLI Rli Corp$104.0KKliethermes Craig WCHIEF EXECUTIVE OFFICER2,0002026-05-28
HFRO Highland Opportunities & Income Fund$99.4KSaba Capital Management, L.P.10% owner15,8582026-05-28
GTM ZoomInfo Technologies Inc.$99.0KMaida DomenicDirector27,5002026-05-28
AUNA Auna S.a.$97.7KZamora Leon JesusPresident, Director23,2732026-05-28
CURI CuriosityStream Inc.$80.1KStinchcomb Clinton LarryPresident and CEO, Director30,0002026-05-28
DNUT Krispy Kreme, Inc.$74.7KHees BernardoDirector22,1142026-05-28
JACK Jack In The Box Inc$68.6KDiaz Guillermo JrDirector5,9622026-05-28
UBCP United Bancorp Inc /oh/$52.7KGlessner Gary WDirector3,5272026-05-28
ADMA Adma Biologics, Inc.$50.6KGrossman Jerrold BDirector6,4002026-05-28
GPGI GPGI, Inc.$50.0KMoriarty Kevin MDirector3,9562026-05-28
ATYR aTYR PHARMA INC$50.0KSchimmel PaulDirector100,0002026-05-28
STEX Streamex Corp.$50.0KLekstrom Morgan LeeInterim Executive Chairman, Director34,0002026-05-28
WATT Energous Corp$49.4KBurak Mallorie SaraCEO & CFO, Director1,8672026-05-28
FIP FTAI Infrastructure Inc.$45.8KFletcher Carl Russell IVCFO and CAO10,0002026-05-28
HLNE Hamilton Lane INC$43.2KRogers Hartley R.Executive Co-Chairman, Director, 10% owner4662026-05-28
HLNE Hamilton Lane INC$43.2KRogers Hartley R.Executive Co-Chairman, Director, 10% owner4662026-05-28
LOGC ContextLogic Holdings Inc.$42.5KBobbili RajaDirector, 10% owner4,8622026-05-28
NAKA Nakamoto Inc.$41.2KBailey David FChief Executive Officer, Director, 10% owner7,1152026-05-28
AUNA Auna S.a.$37.0KZamora Leon JesusPresident, Director8,7272026-05-28
DYN Dyne Therapeutics, Inc.$36.4KPosner Brian SDirector2,0002026-05-28
NRP Natural Resource Partners Lp$34.3KCraig Kevin JExecutive Vice President3362026-05-28
GF New Germany Fund Inc$34.3KSaba Capital Management, L.P.10% owner2,9002026-05-28
UBCP United Bancorp Inc /oh/$33.0KEverson Scott AChairman Pres and CEO2,2132026-05-28
UBCP UBCP$31.1KHendershot Brian MInsider2,0802026-05-28
XZO Exzeo Group, Inc.$27.3KPatel PareshChief Executive Officer, Director2,0002026-05-28
BZUN Baozun Inc.$25.8KQiu WenbinChief Executive Officer, Director10,0002026-05-28
BZUN Baozun Inc.$25.5KQiu WenbinChief Executive Officer, Director10,0002026-05-28
BZUN Baozun Inc.$25.5KWu JunhuaChief Strategy Officer, Director10,0002026-05-28
RNTX Rein Therapeutics, Inc.$24.6KVon Rickenbach Josef HDirector23,1902026-05-28
UBCP United Bancorp Inc /oh/$22.6KClark Jonathan CHASEDirector1,5112026-05-28
PFBX Peoples Financial Corp /ms/$21.2KBarnes Ronald GDirector1,0002026-05-28
FKYS First Keystone Corp$18.0KBower Donald MatthewDirector1,0002026-05-28
DLHC DLH Holdings Corp.$17.7KMink Brook Asset Management LLC10% owner3,2232026-05-28
UBCP United Bancorp Inc /oh/$17.5KSchunn Bethany EDirector1,1752026-05-28
TIPT Tiptree Inc.$17.3KIlany JonathanDirector9902026-05-28
RNTX Rein Therapeutics, Inc.$16.7KVon Rickenbach Josef HDirector15,9502026-05-28
UBCP United Bancorp Inc /oh/$15.4KGreenwood Randall MSR VP CFO and Treasurer1,0342026-05-28
UBCP United Bancorp Inc /oh/$13.9KHoopingarner John MDirector9312026-05-28
TMCI Treace Medical Concepts, Inc.$12.6KTreace John T.Chief Executive Officer, Director, 10% owner4,5082026-05-28
FLD Fold Holdings, Inc.$10.3KYoung Bracebridge H JrDirector10,0002026-05-28
TUSK Mammoth Energy Services, Inc.$9.8KAmron Arthur HDirector3,0002026-05-28
UBCP United Bancorp Inc /oh/$9.4KBall Erin SDirector6322026-05-28
TUSK Mammoth Energy Services, Inc.$8.1KAmron Arthur HDirector2,5002026-05-28
PSEC Prospect Capital Corp$7.0KBarry John FCHIEF EXECUTIVE OFFICER, Director, 10% owner3,0002026-05-28
DNUT Krispy Kreme, Inc.$6.5KHees BernardoDirector1,9742026-05-28
FKYS First Keystone Corp$6.0KJezewski Michael LDirector3342026-05-28
UBCP United Bancorp Inc /oh/$5.7KBranstetter Matthew FredrickChief Operating Officer3802026-05-28
RNTX Rein Therapeutics, Inc.$4.8KVon Rickenbach Josef HDirector4,5002026-05-28
RNTX Rein Therapeutics, Inc.$3.6KVon Rickenbach Josef HDirector3,4202026-05-28
FKYS First Keystone Corp$2.0KJezewski Michael LDirector1092026-05-28
FKYS First Keystone Corp$1.9KJezewski Michael LDirector1052026-05-28
CIK 1885551$500Staloch AlisonTreasurer492026-05-28
TPL Texas Pacific Land Corp$405Horizon Kinetics Asset Management Llc10% owner12026-05-28
TPL Texas Pacific Land Corp$403Horizon Kinetics Asset Management Llc10% owner12026-05-28
SEC EDGAR · FORM 4 · FILED 2026-05-28 · INFORMATIONAL ONLY

Cluster buys

Two or more insiders at one company within 7 days
UBCP United Bancorp Inc /oh/
8 insiders within 7 days · $170.2K filed this day
8
RLI Rli Corp
3 insiders within 7 days · $209.4K filed this day
3
FKYS First Keystone Corp
3 insiders within 7 days · $27.8K filed this day
3
CIK 1885551
3 insiders within 7 days · $500 filed this day
3
MTDR Matador Resources Co
2 insiders within 7 days · $244.8K filed this day
2
STEX Streamex Corp.
2 insiders within 7 days · $197.1K filed this day
2
BZUN Baozun Inc.
2 insiders within 7 days · $76.8K filed this day
2
PFBX Peoples Financial Corp /ms/
2 insiders within 7 days · $21.2K filed this day
2

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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