OTC:HKHC | Insider Transactions | Horizon Kinetics Holding Corp

HKHC Insider Transactions

521 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

HKHC insiders transaction timeline

PurchaseSale
2006-02-07: 1 purchase — GOLDSTEIN MARK E2006-10-17: 1 purchase — Yorktown Avenue Capital, LLC2006-10-26: 1 purchase — Yorktown Avenue Capital, LLC2006-11-13: 2 purchases — Yorktown Avenue Capital, LLC, Boston Avenue Capital2006-11-24: 2 purchases — Yorktown Avenue Capital, LLC, Boston Avenue Capital2006-11-28: 1 purchase — Yorktown Avenue Capital, LLC2006-12-07: 1 purchase — Yorktown Avenue Capital, LLC2006-12-08: 1 purchase — Yorktown Avenue Capital, LLC2006-12-11: 1 purchase — Yorktown Avenue Capital, LLC2006-12-12: 1 purchase — Yorktown Avenue Capital, LLC2006-12-18: 1 purchase — Yorktown Avenue Capital, LLC2006-12-22: 1 purchase — Yorktown Avenue Capital, LLC2006-12-28: 1 purchase — Yorktown Avenue Capital, LLC2007-01-09: 1 purchase — Yorktown Avenue Capital, LLC2007-06-28: 4 purchases — Boston Avenue Capital, Yorktown Avenue Capital, LLC, Gillman Charles M and 1 more2007-07-02: 4 purchases — Boston Avenue Capital, Yorktown Avenue Capital, LLC, Gillman Charles M and 1 more2007-07-09: 4 purchases — Boston Avenue Capital, Yorktown Avenue Capital, LLC, Gillman Charles M and 1 more2007-07-10: 4 purchases — Boston Avenue Capital, Yorktown Avenue Capital, LLC, Gillman Charles M and 1 more2007-07-11: 4 purchases — Boston Avenue Capital, Yorktown Avenue Capital, LLC, Gillman Charles M and 1 more2007-07-13: 4 purchases — Boston Avenue Capital, Yorktown Avenue Capital, LLC, Gillman Charles M and 1 more2007-07-16: 4 purchases — Boston Avenue Capital, Yorktown Avenue Capital, LLC, Gillman Charles M and 1 more2007-07-27: 4 purchases — Boston Avenue Capital, Yorktown Avenue Capital, LLC, Gillman Charles M and 1 more2007-07-30: 4 purchases — Boston Avenue Capital, Yorktown Avenue Capital, LLC, Gillman Charles M and 1 more2011-03-14: 8 sales — Gillman Charles M, Adelson James F, Heyman Stephen J and 2 more2011-03-15: 8 sales — Gillman Charles M, Adelson James F, Heyman Stephen J and 2 more2011-03-18: 8 sales — Gillman Charles M, Adelson James F, Heyman Stephen J and 2 more2012-10-17: 4 sales — Yorktown Avenue Capital, LLC, Gillman Charles M, Adelson James F and 1 more2012-10-18: 4 sales — Yorktown Avenue Capital, LLC, Gillman Charles M, Adelson James F and 1 more2012-10-19: 4 sales — Yorktown Avenue Capital, LLC, Gillman Charles M, Adelson James F and 1 more2012-10-22: 4 sales — Yorktown Avenue Capital, LLC, Gillman Charles M, Adelson James F and 1 more2012-10-23: 8 sales — Yorktown Avenue Capital, LLC, Gillman Charles M, Adelson James F and 1 more2018-02-06: 5 purchases — ISZO CAPITAL LP, ISZO CAPITAL MANAGEMENT LP, SHEEHY BRIAN L. and 1 more2018-02-07: 5 purchases — ISZO CAPITAL LP, ISZO CAPITAL MANAGEMENT LP, SHEEHY BRIAN L. and 1 more2018-02-08: 4 purchases — ISZO CAPITAL LP, ISZO CAPITAL MANAGEMENT LP, SHEEHY BRIAN L. and 1 more2018-02-09: 4 purchases — ISZO CAPITAL LP, ISZO CAPITAL MANAGEMENT LP, SHEEHY BRIAN L. and 1 more2018-02-12: 4 purchases — ISZO CAPITAL LP, ISZO CAPITAL MANAGEMENT LP, SHEEHY BRIAN L. and 1 more2018-05-16: 1 purchase — ISZO CAPITAL LP2018-05-17: 1 purchase — ISZO CAPITAL LP2018-05-18: 1 purchase — ISZO CAPITAL LP2019-10-31: 4 sales — ISZO CAPITAL LP, ISZO CAPITAL MANAGEMENT LP, SHEEHY BRIAN L. and 1 more2021-11-30: 1 sale — GOLDSTEIN MARK E2021-12-01: 1 sale — GOLDSTEIN MARK E2022-04-01: 1 sale — GOLDSTEIN MARK E2023-06-12: 6 purchases — Maran Partners Fund, LP, Maran SPV, LP, Maran Capital Management, LLC and 3 more2023-06-12: 1 sale — GOLDSTEIN MARK E2023-07-18: 12 purchases — Maran Partners Fund, LP, Maran SPV, LP, Maran Capital Management, LLC and 3 more2024-08-02: 1 purchase — DOYLE PETER2024-09-03: 3 purchases — DOYLE PETER, STAHL MURRAY, Brennan Alice C2024-09-04: 1 purchase — STAHL MURRAY2024-09-05: 3 purchases — DOYLE PETER, Nagelberg Allison, STAHL MURRAY2024-09-06: 2 purchases — STAHL MURRAY, Brennan Alice C2024-09-09: 1 purchase — STAHL MURRAY2024-11-14: 2 purchases — Nagelberg Allison, Rosenthal Brent D2024-11-15: 4 purchases — Horizon Common Inc, STAHL MURRAY2024-11-18: 5 purchases — Horizon Common Inc, STAHL MURRAY, Russell Grimaldi2024-11-19: 5 purchases — Horizon Common Inc, STAHL MURRAY, Rosenthal Brent D and 1 more2024-11-20: 3 purchases — Horizon Common Inc, STAHL MURRAY2024-11-21: 3 purchases — Horizon Common Inc, STAHL MURRAY2024-11-22: 4 purchases — Horizon Common Inc, STAHL MURRAY, Kesslen Jay H2024-11-25: 3 purchases — STAHL MURRAY, Kesslen Jay H2024-11-25: 1 sale — Horizon Common Inc2024-11-26: 3 purchases — Horizon Common Inc, STAHL MURRAY2024-11-27: 2 purchases — STAHL MURRAY2024-11-29: 3 purchases — Horizon Common Inc, STAHL MURRAY2024-12-02: 3 purchases — Horizon Common Inc, STAHL MURRAY2024-12-03: 3 purchases — Horizon Common Inc, STAHL MURRAY2024-12-04: 2 purchases — STAHL MURRAY2024-12-05: 3 purchases — Horizon Common Inc, STAHL MURRAY2024-12-06: 3 purchases — Horizon Common Inc, STAHL MURRAY2024-12-09: 3 purchases — Horizon Common Inc, STAHL MURRAY2025-05-21: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-05-22: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-05-23: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-05-27: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-05-28: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-05-29: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-05-30: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-06-02: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-06-03: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-06-04: 5 purchases — STAHL MURRAY, Horizon Common Inc, Herndon Mark2025-06-05: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-06-06: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-06-09: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-06-10: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-08-20: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-08-21: 4 purchases — STAHL MURRAY, Horizon Common Inc2025-08-22: 8 purchases — STAHL MURRAY, Horizon Common Inc2025-08-25: 8 purchases — STAHL MURRAY, Horizon Common Inc2025-08-26: 12 purchases — STAHL MURRAY, Horizon Common Inc2025-08-27: 13 purchases — STAHL MURRAY, Horizon Common Inc, Brennan Alice C2025-08-28: 12 purchases — STAHL MURRAY, Horizon Common Inc2025-08-29: 8 purchases — STAHL MURRAY, Horizon Common Inc2025-09-02: 9 purchases — STAHL MURRAY, Horizon Common Inc, Rosenthal Brent D2025-09-03: 8 purchases — STAHL MURRAY, Horizon Common Inc2025-09-04: 8 purchases — STAHL MURRAY, Horizon Common Inc2025-09-05: 8 purchases — STAHL MURRAY, Horizon Common Inc2025-09-08: 8 purchases — STAHL MURRAY, Horizon Common Inc2025-09-09: 8 purchases — STAHL MURRAY, Horizon Common Inc2025-11-20: 7 purchases — STAHL MURRAY, Horizon Common Inc, Herndon Mark2025-11-21: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-11-24: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-11-25: 7 purchases — STAHL MURRAY, Horizon Common Inc, Rosenthal Brent D2025-11-26: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-11-27: 1 purchase — Horizon Common Inc2025-11-28: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-12-01: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-12-02: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-12-03: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-12-04: 7 purchases — STAHL MURRAY, Horizon Common Inc2025-12-05: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-12-08: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-12-09: 6 purchases — STAHL MURRAY, Horizon Common Inc2025-12-10: 6 purchases — STAHL MURRAY, Horizon Common Inc2026-03-18: 8 purchases — STAHL MURRAY, Horizon Common Inc, Herndon Mark and 1 more2026-03-19: 6 purchases — STAHL MURRAY, Horizon Common Inc2026-03-20: 13 purchases — STAHL MURRAY, Horizon Common Inc, Nagelberg Allison2026-05-20: 2 purchases — Herndon Mark, Rosenthal Brent D2026-08-19: 1 purchase — Herndon Mark2026-08-20: 1 purchase — Herndon Mark2026-08-24: 2 purchases — Brennan Alice C, Rosenthal Brent D2026-08-25: 1 purchase — Brennan Alice C2026-08-26: 4 purchases — Maran Partners Fund, LP, Maran Capital Management, LLC, Maran Partners GP, LLC and 1 more2026-08-27: 1 purchase — Brennan Alice C2006-02-072026-08-27
Insider profileRoleDateTransactionSharesPrice
Brennan Alice CDirector2026-08-27Purchase200$26
Maran Partners Fund, LPAffiliate2026-08-26Purchase500$26.50
Maran Capital Management, LLCAffiliate2026-08-26Purchase500$26.50
Maran Partners GP, LLCAffiliate2026-08-26Purchase500$26.50
Roller Daniel JDirector2026-08-26Purchase500$26.50
Brennan Alice CDirector2026-08-25Purchase200$26.75
Brennan Alice CDirector2026-08-24Purchase200$26.87
Rosenthal Brent DDirector2026-08-24Purchase2,000$27
Herndon MarkChief Financial Officer2026-08-20Purchase200$26.75
Herndon MarkChief Financial Officer2026-08-19Purchase50$26.50
Herndon MarkChief Financial Officer2026-05-20Purchase100.0$27.85
Rosenthal Brent DDirector2026-05-20Purchase700.0$27.85
STAHL MURRAYCEO and CIO2026-03-20Purchase18.0$34.6
Horizon Common IncTenPercentOwner2026-03-20Purchase18.0$34.6
STAHL MURRAYCEO and CIO2026-03-20Purchase25.0$34.6
Horizon Common IncTenPercentOwner2026-03-20Purchase25.0$34.6
STAHL MURRAYCEO and CIO2026-03-20Purchase10.0$34.6
Horizon Common IncTenPercentOwner2026-03-20Purchase10.0$34.6
STAHL MURRAYCEO and CIO2026-03-20Purchase18.0$34.6
Horizon Common IncTenPercentOwner2026-03-20Purchase18.0$34.6
STAHL MURRAYCEO and CIO2026-03-20Purchase25.0$34.6
Horizon Common IncTenPercentOwner2026-03-20Purchase25.0$34.6
STAHL MURRAYCEO and CIO2026-03-20Purchase10.0$34.6
Horizon Common IncTenPercentOwner2026-03-20Purchase10.0$34.6
Nagelberg AllisonDirector2026-03-20Purchase150.0$33.96
STAHL MURRAYCEO and CIO2026-03-19Purchase18.0$34.06
Horizon Common IncTenPercentOwner2026-03-19Purchase18.0$34.06
STAHL MURRAYCEO and CIO2026-03-19Purchase25.0$34.06
Horizon Common IncTenPercentOwner2026-03-19Purchase25.0$34.06
STAHL MURRAYCEO and CIO2026-03-19Purchase46.0$34.06
Horizon Common IncTenPercentOwner2026-03-19Purchase46.0$34.06
STAHL MURRAYCEO and CIO2026-03-18Purchase8.0$34.0
Horizon Common IncTenPercentOwner2026-03-18Purchase8.0$34.0
STAHL MURRAYCEO and CIO2026-03-18Purchase9.0$34.0
Horizon Common IncTenPercentOwner2026-03-18Purchase9.0$34.0
STAHL MURRAYCEO and CIO2026-03-18Purchase10.0$34.0
Horizon Common IncTenPercentOwner2026-03-18Purchase10.0$34.0
Herndon MarkChief Financial Officer2026-03-18Purchase80.0$33.03
Rosenthal Brent DDirector2026-03-18Purchase750.0$33.05
STAHL MURRAYCEO and CIO2025-12-10Purchase4.0$27.0
Horizon Common IncTenPercentOwner2025-12-10Purchase4.0$27.0
STAHL MURRAYCEO and CIO2025-12-10Purchase6.0$27.0
Horizon Common IncTenPercentOwner2025-12-10Purchase6.0$27.0
STAHL MURRAYCEO and CIO2025-12-10Purchase12.0$27.0
Horizon Common IncTenPercentOwner2025-12-10Purchase12.0$27.0
STAHL MURRAYCEO and CIO2025-12-09Purchase4.0$27.0
Horizon Common IncTenPercentOwner2025-12-09Purchase4.0$27.0
STAHL MURRAYCEO and CIO2025-12-09Purchase6.0$27.0
Horizon Common IncTenPercentOwner2025-12-09Purchase6.0$27.0
STAHL MURRAYCEO and CIO2025-12-09Purchase12.0$27.0
Horizon Common IncTenPercentOwner2025-12-09Purchase12.0$27.0
STAHL MURRAYCEO and CIO2025-12-08Purchase4.0$26.73
Horizon Common IncTenPercentOwner2025-12-08Purchase4.0$26.73
STAHL MURRAYCEO and CIO2025-12-08Purchase6.0$26.73
Horizon Common IncTenPercentOwner2025-12-08Purchase6.0$26.73
STAHL MURRAYCEO and CIO2025-12-08Purchase12.0$26.73
Horizon Common IncTenPercentOwner2025-12-08Purchase12.0$26.73
STAHL MURRAYCEO and CIO2025-12-05Purchase4.0$27.75
Horizon Common IncTenPercentOwner2025-12-05Purchase4.0$27.75
STAHL MURRAYCEO and CIO2025-12-05Purchase6.0$27.75
Horizon Common IncTenPercentOwner2025-12-05Purchase6.0$27.75
STAHL MURRAYCEO and CIO2025-12-05Purchase12.0$27.75
Horizon Common IncTenPercentOwner2025-12-05Purchase12.0$27.75
STAHL MURRAYCEO and CIO2025-12-04Purchase4.0$27.75
Horizon Common IncTenPercentOwner2025-12-04Purchase4.0$27.75
STAHL MURRAYCEO and CIO2025-12-04Purchase6.0$27.75
Horizon Common IncTenPercentOwner2025-12-04Purchase6.0$27.75
STAHL MURRAYCEO and CIO2025-12-04Purchase12.0$27.75
Horizon Common IncTenPercentOwner2025-12-04Purchase12.0$27.75
Horizon Common IncTenPercentOwner2025-12-04Purchase6.0$41.25
STAHL MURRAYCEO and CIO2025-12-03Purchase4.0$27.0
Horizon Common IncTenPercentOwner2025-12-03Purchase4.0$27.0
STAHL MURRAYCEO and CIO2025-12-03Purchase6.0$27.0
Horizon Common IncTenPercentOwner2025-12-03Purchase6.0$27.0
STAHL MURRAYCEO and CIO2025-12-03Purchase12.0$27.0
Horizon Common IncTenPercentOwner2025-12-03Purchase12.0$27.0
STAHL MURRAYCEO and CIO2025-12-02Purchase4.0$27.23
Horizon Common IncTenPercentOwner2025-12-02Purchase4.0$27.23
STAHL MURRAYCEO and CIO2025-12-02Purchase6.0$27.23
Horizon Common IncTenPercentOwner2025-12-02Purchase6.0$27.23
STAHL MURRAYCEO and CIO2025-12-02Purchase12.0$27.23
Horizon Common IncTenPercentOwner2025-12-02Purchase12.0$27.23
STAHL MURRAYCEO and CIO2025-12-01Purchase4.0$27.0
Horizon Common IncTenPercentOwner2025-12-01Purchase4.0$27.0
STAHL MURRAYCEO and CIO2025-12-01Purchase6.0$27.0
Horizon Common IncTenPercentOwner2025-12-01Purchase6.0$27.0
STAHL MURRAYCEO and CIO2025-12-01Purchase12.0$27.0
Horizon Common IncTenPercentOwner2025-12-01Purchase12.0$27.0
STAHL MURRAYCEO and CIO2025-11-28Purchase4.0$27.23
Horizon Common IncTenPercentOwner2025-11-28Purchase4.0$27.23
STAHL MURRAYCEO and CIO2025-11-28Purchase6.0$27.23
Horizon Common IncTenPercentOwner2025-11-28Purchase6.0$27.23
STAHL MURRAYCEO and CIO2025-11-28Purchase12.0$27.23
Horizon Common IncTenPercentOwner2025-11-28Purchase12.0$27.23
Horizon Common IncTenPercentOwner2025-11-27Purchase6.0$41.0
STAHL MURRAYCEO and CIO2025-11-26Purchase4.0$27.23
Horizon Common IncTenPercentOwner2025-11-26Purchase4.0$27.23
STAHL MURRAYCEO and CIO2025-11-26Purchase8.0$27.23
Horizon Common IncTenPercentOwner2025-11-26Purchase8.0$27.23
STAHL MURRAYCEO and CIO2025-11-26Purchase12.0$27.23