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Horizon Kinetics Holding Corp

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0000088000

In the last 90 days, Horizon Kinetics Holding Corp insiders filed 9 open-market purchases and 0 sales; 1 institution reported holding it in 13F filings for Q2 2026, worth $35.5M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Horizon Kinetics Holding Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
9 filings
5 insiders, $105.3K in total
Open-market sells
0 filings
Insiders trading
5
Net value
+$105.3K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Horizon Kinetics Holding Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Horizon Kinetics Holding Corp
NameTitleLast reported holdingLast filingFilings, past year
Nagelberg AllisonDirector590Sep 22, 20262
Brennan Alice CDirector2,000Sep 3, 20265
Maran Partners Fund, LPOther: Affiliate10,000Aug 27, 20262
Maran Capital Management, LLCOther: Affiliate10,000Aug 27, 20262
Maran Partners GP, LLCOther: Affiliate10,000Aug 27, 20262
Roller Daniel JDirector10,000Aug 27, 20262
Rosenthal Brent DavidDirector4,450Aug 25, 20264
Herndon MarkChief Financial Officer550Aug 20, 20264
Stahl MurrayCEO and CIO135IndirectMar 24, 202617
Horizon Common Inc10% Owner135IndirectMar 24, 202617
Maran SPV, LPOther: Affiliate0IndirectDec 23, 20251
Maran SPV GP, LLCOther: Affiliate0IndirectDec 23, 20251
Arndt David MPresident, Cons Prod Div.22,045Oct 15, 20251
Kesslen Jay HGeneral Counsel and Secretary350Nov 26, 20240
Williams AlunChief Operating Officer50Nov 20, 20240
Russell GrimaldiCCO & Assoc General Counsel132Nov 19, 20240
Doyle PeterVice-President880,682Sep 6, 20240
Goldstein Mark E10% Owner0Jun 13, 20230
Malhotra R. RimmyDirector100,000May 15, 20230
Hyman Michael B.Other: Sales Principal65,837Oct 28, 20220
Pedrazzini TishaPresident15,000Mar 3, 20220
Neri Philip ADirector127,667Nov 16, 20210
Bailey Leah SDirector16,666Nov 16, 20210
Laber Gerald JDirector211,735Nov 8, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 29, 2025 (view filing)Aug 281 dayStahl MurrayCEO and CIOPPurchase+8$38.00+$3040.0%248.9K after
Aug 29, 2025 (view filing)Aug 281 dayStahl MurrayCEO and CIOPPurchase+13$38.00+$494New position9 after3 lots
Sep 2, 2025 (view filing)2:10 PM ETAug 294 daysStahl Murray and 1 otherCEO and CIOPPurchase+8$38.00+$3040.0%248.9K after
Sep 2, 2025 (view filing)2:10 PM ETAug 294 daysStahl Murray and 1 otherCEO and CIOPPurchase+13$38.00+$494New position11 after3 lots
Sep 2, 2025 (view filing)3:08 PM ETAug 285 daysStahl Murray and 1 otherCEO and CIOPPurchase+8$38.00+$3040.0%249.0K afterAmended
Sep 2, 2025 (view filing)3:08 PM ETAug 285 daysStahl Murray and 1 otherCEO and CIOPPurchase+13$38.00+$494New position9 afterAmended3 lotsDuplicate filing
Sep 2, 2025 (view filing)3:10 PM ETAug 267 daysStahl Murray and 1 otherCEO and CIOPPurchase+8$38.00+$3040.0%248.9K afterAmended
Sep 2, 2025 (view filing)3:10 PM ETAug 267 daysStahl Murray and 1 otherCEO and CIOPPurchase+13$38.00+$494New position5 afterAmended3 lotsDuplicate filing
Sep 2, 2025 (view filing)3:12 PM ETAug 276 daysStahl Murray and 1 otherCEO and CIOPPurchase+8$38.00+$3040.0%248.9K afterAmended
Sep 2, 2025 (view filing)3:12 PM ETAug 276 daysStahl Murray and 1 otherCEO and CIOPPurchase+13$38.00+$494New position7 afterAmended3 lotsDuplicate filing
Sep 3, 2025 (view filing)Sep 21 dayRosenthal Brent DavidDirectorPPurchase+300$38.00+$11.4K+75.0%700 after
Sep 3, 2025 (view filing)11:55 AM ETSep 21 dayStahl Murray and 1 otherCEO and CIOPPurchase+8$38.00+$3040.0%248.9K after
Sep 3, 2025 (view filing)11:55 AM ETSep 21 dayStahl Murray and 1 otherCEO and CIOPPurchase+15$38.00+$570New position15 after3 lots
Sep 4, 2025 (view filing)9:54 AM ETSep 31 dayStahl Murray and 1 otherCEO and CIOPPurchase+8$40.20+$321.60.0%248.9K after
Sep 4, 2025 (view filing)9:54 AM ETSep 31 dayStahl Murray and 1 otherCEO and CIOPPurchase+15$40.20+$603+375.0%19 after3 lots
Sep 5, 2025 (view filing)10:51 AM ETSep 41 dayStahl Murray and 1 otherCEO and CIOPPurchase+8$39.45+$315.60.0%248.9K after
Sep 5, 2025 (view filing)10:51 AM ETSep 41 dayStahl Murray and 1 otherCEO and CIOPPurchase+15$39.45+$591.75+187.5%23 after3 lots
Sep 8, 2025 (view filing)10:29 AM ETSep 53 daysStahl Murray and 1 otherCEO and CIOPPurchase+8$39.00+$3120.0%249.0K after
Sep 8, 2025 (view filing)10:29 AM ETSep 53 daysStahl Murray and 1 otherCEO and CIOPPurchase+15$39.00+$585+125.0%27 after3 lots
Sep 9, 2025 (view filing)10:43 AM ETSep 81 dayStahl Murray and 1 otherCEO and CIOPPurchase+10$38.85+$388.50.0%249.0K after
Sep 9, 2025 (view filing)10:43 AM ETSep 81 dayStahl Murray and 1 otherCEO and CIOPPurchase+15$38.85+$582.75+93.8%31 after3 lots
Sep 10, 2025 (view filing)11:15 AM ETSep 91 dayStahl Murray and 1 otherCEO and CIOPPurchase+8$38.30+$306.40.0%249.0K after
Sep 10, 2025 (view filing)11:15 AM ETSep 91 dayStahl Murray and 1 otherCEO and CIOPPurchase+16$38.30+$612.8+84.2%35 after3 lots
Nov 21, 2025 (view filing)Nov 201 dayHerndon MarkChief Financial OfficerPPurchase+100$29.00+$2.90K+500.0%120 after
Nov 21, 2025 (view filing)3:07 PM ETNov 201 dayStahl Murray and 1 otherCEO and CIOPPurchase+11$27.50+$302.50.0%249.0K after
Nov 21, 2025 (view filing)3:07 PM ETNov 201 dayStahl Murray and 1 otherCEO and CIOPPurchase+13$27.50+$357.5+50.0%39 after2 lots
Nov 24, 2025 (view filing)2:22 PM ETNov 213 daysStahl Murray and 1 otherCEO and CIOPPurchase+12$28.25+$3390.0%249.0K after
Nov 24, 2025 (view filing)2:22 PM ETNov 213 daysStahl Murray and 1 otherCEO and CIOPPurchase+13$28.25+$367.25+43.3%43 after2 lots
Nov 25, 2025 (view filing)12:35 PM ETNov 241 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$28.00+$3360.0%249.0K after
Nov 25, 2025 (view filing)12:35 PM ETNov 241 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$28.00+$336+34.3%47 after2 lots
Nov 26, 2025 (view filing)Nov 251 dayRosenthal Brent DavidDirectorPPurchase+300$27.28+$8.18K+42.9%1.00K after
Nov 26, 2025 (view filing)12:04 PM ETNov 251 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$27.00+$3240.0%249.0K after
Nov 26, 2025 (view filing)12:04 PM ETNov 251 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$27.00+$324+30.8%51 after2 lots
Nov 28, 2025 (view filing)12:32 PM ETNov 262 daysStahl Murray and 1 otherCEO and CIOPPurchase+12$27.23+$326.760.0%249.0K after
Nov 28, 2025 (view filing)12:32 PM ETNov 262 daysStahl Murray and 1 otherCEO and CIOPPurchase+12$27.23+$326.76+27.9%55 after2 lots
Dec 1, 2025 (view filing)11:49 AM ETNov 283 daysStahl Murray and 1 otherCEO and CIOPPurchase+12$27.23+$326.760.0%249.0K after
Dec 1, 2025 (view filing)11:49 AM ETNov 283 daysStahl Murray and 1 otherCEO and CIOPPurchase+10$27.23+$272.3+20.4%59 after2 lots
Dec 2, 2025 (view filing)12:13 PM ETDec 11 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$27.00+$3240.0%249.1K after
Dec 2, 2025 (view filing)12:13 PM ETDec 11 dayStahl Murray and 1 otherCEO and CIOPPurchase+10$27.00+$270+18.9%63 after2 lots
Dec 3, 2025 (view filing)1:35 PM ETDec 21 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$27.23+$326.760.0%249.1K after
Dec 3, 2025 (view filing)1:35 PM ETDec 21 dayStahl Murray and 1 otherCEO and CIOPPurchase+10$27.23+$272.3+17.5%67 after2 lots
Dec 4, 2025 (view filing)10:27 AM ETDec 31 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$27.00+$3240.0%249.1K after
Dec 4, 2025 (view filing)10:27 AM ETDec 31 dayStahl Murray and 1 otherCEO and CIOPPurchase+10$27.00+$270+16.4%71 after2 lots
Dec 5, 2025 (view filing)11:00 AM ETDec 41 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$27.75+$3330.0%249.1K after
Dec 5, 2025 (view filing)11:00 AM ETDec 41 dayStahl Murray and 1 otherCEO and CIOPPurchase+10$27.75+$277.5+15.4%75 after2 lots
Dec 8, 2025 (view filing)11:58 AM ETDec 53 daysStahl Murray and 1 otherCEO and CIOPPurchase+12$27.75+$3330.0%249.1K after
Dec 8, 2025 (view filing)11:58 AM ETDec 53 daysStahl Murray and 1 otherCEO and CIOPPurchase+10$27.75+$277.5+14.5%79 after2 lots
Dec 9, 2025 (view filing)11:29 AM ETDec 81 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$26.73+$320.760.0%249.1K after
Dec 9, 2025 (view filing)11:29 AM ETDec 81 dayStahl Murray and 1 otherCEO and CIOPPurchase+10$26.73+$267.3+13.7%83 after2 lots
Dec 10, 2025 (view filing)12:45 PM ETDec 91 dayStahl Murray and 1 otherCEO and CIOPPurchase+12$27.00+$3240.0%249.1K after