Company · CIK 0000088000 · SIC 6282 — Investment Advice · OTC
Horizon Kinetics Holding Corp · HKHC
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 PForm 4 → | Sep 22, 9:28 am EDT | Allison NagelbergDirector | 190 | $26.27 | $4,991 | 590 | +47.5% | |
| Sep 2, 2026 PForm 4 → | Sep 3, 8:28 am EDT | Alice C BrennanDirector | 200 | $25.92 | $5,184 | 2,000 | +11.1% | |
| Aug 28, 2026 PForm 4 → | Aug 31, 9:30 am EDT | Alice C BrennanDirector | 200 | $26.20 | $5,240 | 1,800 | +12.5% | |
| Aug 27, 2026 PForm 4 → | Aug 28, 2:16 pm EDT | Alice C BrennanDirector | 200 | $26.00 | $5,200 | 1,600 | +14.3% | |
| Aug 26, 2026 PForm 4 → | Aug 27, 1:30 pm EDT | Daniel J Roller +3Director | 500 | $26.50 | $13,250 | 10,000 | +5.26% | |
| Aug 25, 2026 PForm 4 → | Aug 26, 11:15 am EDT | Alice C BrennanDirector | 200 | $26.75 | $5,350 | 1,400 | +16.7% | |
| Aug 24, 2026 PForm 4 → | Aug 25, 11:50 am EDT | Alice C BrennanDirector | 200 | $26.87 | $5,374 | 1,200 | +20.0% | |
| Aug 24, 2026 PForm 4 → | Aug 25, 10:11 am EDT | Brent D RosenthalDirector | 2,000 | $27.00 | $54,000 | 4,450 | +81.6% | |
| Aug 19, 2026 PForm 4 → | Aug 20, 2:08 pm EDT | Mark HerndonChief Financial Officer | 250 | $26.70 | $6,675 | 550 | +83.3% | |
| Sep 7, 2018 MForm 4 → | Sep 7, 6:27 pm EDT | Philip A NeriDirector | 6,329 | $0.792 | $5,013 | 68,714 | — | plan? |
| Aug 28, 2018 MForm 4 → | Aug 28, 6:10 pm EDT | Philip A NeriDirector | 385 | $0.792 | $305 | 62,385 | — | plan? |
| Jul 23, 2018 MForm 4 → | Jul 24, 11:56 am EDT | Gerald J LaberDirector | 30,000 | $0.468 | $14,040 | 120,000 | — | plan? |
| May 16, 2018 PForm 4 → | May 18, 5:01 pm EDT | ISZO CAPITAL LP10% Owner | 46,728 | $1.93 | $90,294 | 1,450,197 | +3.33% | plan? |
| Mar 6, 2018 MForm 4 → | Mar 8, 11:05 am EST | Barry J LevineTreasurer/CFO/COO, Director | 50,000 | $0.41 | $20,500 | 150,000 | — | plan? |
| Feb 26, 2018 MForm 4 → | Feb 27, 4:55 pm EST | Michael B. HymanSenior Vice President, Sales | 35,000 | $0.41 | $14,350 | 35,000 | — | plan? |
| Feb 12, 2018 PForm 4 → | Feb 14, 11:46 am EST | ISZO CAPITAL LP +310% Owner | 13,900 | $3.15 | $43,834 | 1,403,469 | +1.00% | plan? |
| Feb 8, 2018 PForm 4 → | Feb 12, 6:22 pm EST | ISZO CAPITAL LP +310% Owner | 111,618 | $3.30 | $368,556 | 1,389,569 | +8.73% | plan? |
| Feb 6, 2018 PForm 4/A → | Feb 12, 6:21 pm EST | ISZO CAPITAL LP +310% Owner | 53,323 | $3.23 | $172,139 | 1,277,951 | +4.35% | plan? |
| Feb 6, 2018 PForm 4 → | Feb 8, 5:36 pm EST | ISZO CAPITAL LP10% Owner | 53,323 | $3.23 | $172,139 | 1,277,951 | +4.35% | plan? amended |
| May 18, 2017 MForm 4 → | May 18, 3:14 pm EDT | Philip A NeriDirector | 3,813 | $0.6379 | $2,432 | 2,000 | — | plan? |
| Mar 10, 2017 MForm 4 → | Mar 10, 11:59 am EST | Barry J LevineTreasurer/CFO/COO, Director | 100,000 | $0.24 | $24,000 | 100,000 | — | plan? |
| Apr 15, 2016 MForm 4 → | Apr 15, 5:40 pm EDT | Sharon D GarrettDirector | 10,533 | $1.25 | $13,166 | 40,533 | — | plan? |
| Apr 13, 2016 MForm 4 → | Apr 15, 12:52 pm EDT | Philip A NeriDirector | 7,200 | $0.4425 | $3,186 | 58,187 | — | plan? |
| Dec 9, 2015 MForm 4 → | Dec 11, 5:42 pm EST | Mark E GoldsteinCOB/President/CEO, Director, 10% Owner | 18,400 | $0.2211 | $4,068 | 547,222 | — | plan? |
| Jun 23, 2015 MForm 4 → | Jun 24, 5:09 pm EDT | Philip A NeriDirector | 21,431 | $0.4423 | $9,478 | 50,987 | — | plan? |
| May 21, 2015 MForm 4 → | May 22, 12:22 pm EDT | Gerald J LaberDirector | 8,750 | $0.2107 | $1,844 | 5,625 | — | plan? |
| Apr 13, 2015 MForm 4 → | Apr 15, 11:58 am EDT | Mark E GoldsteinCOB/President/CEO, Director, 10% Owner | 29,500 | $0.24 | $7,080 | 29,500 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 7, 2018 MForm 4 → | Sep 7, 6:27 pm EDT | Philip A NeriDirector | 6,329 | — | — | 21,286 | — | |
| Aug 28, 2018 MForm 4 → | Aug 28, 6:10 pm EDT | Philip A NeriDirector | 385 | — | — | 27,615 | — | |
| Jul 23, 2018 MForm 4 → | Jul 24, 11:56 am EDT | Gerald J LaberDirector | 30,000 | — | — | 0 | — | |
| Jun 28, 2018 AForm 4 → | Jul 6, 5:31 pm EDT | Michael B. HymanSenior Vice President, Sales | 25,000 | — | — | 25,000 | — | late |
| Jun 28, 2018 AForm 4 → | Jul 6, 5:26 pm EDT | Mark E GoldsteinCOB/President/CEO, Director, 10% Owner | 30,000 | — | — | 30,000 | — | late |
| Jun 19, 2018 AForm 4 → | Jul 6, 5:16 pm EDT | Kevin A. PaprzyckiChief Financial Officer | 50,000 | — | — | 50,000 | — | late |
| Jun 19, 2018 AForm 4 → | Jul 6, 5:10 pm EDT | Philip A NeriDirector | 30,000 | — | — | 30,000 | — | late |
| Jun 19, 2018 AForm 4 → | Jul 6, 5:05 pm EDT | Gerald J LaberDirector | 30,000 | — | — | 30,000 | — | late |
| Jun 19, 2018 AForm 4 → | Jul 6, 5:01 pm EDT | Leah S BaileyDirector | 30,000 | — | — | 30,000 | — | late |
| Mar 6, 2018 MForm 4 → | Mar 8, 11:05 am EST | Barry J LevineTreasurer/CFO/COO, Director | 50,000 | — | — | 0 | — | |
| Feb 26, 2018 MForm 4 → | Feb 27, 4:55 pm EST | Michael B. HymanSenior Vice President, Sales | 35,000 | — | — | 0 | — | |
| Aug 17, 2017 AForm 4 → | Aug 18, 3:01 pm EDT | Leah S BaileyDirector | 30,000 | — | — | 30,000 | — | |
| May 18, 2017 MForm 4 → | May 18, 3:14 pm EDT | Philip A NeriDirector | 3,813 | — | — | 28,000 | — | |
| Mar 10, 2017 MForm 4 → | Mar 10, 11:59 am EST | Barry J LevineTreasurer/CFO/COO, Director | 100,000 | — | — | 0 | — | |
| Nov 18, 2016 AForm 4 → | Nov 21, 3:10 pm EST | Philip A NeriDirector | 30,024 | — | — | 30,024 | — | |
| Nov 18, 2016 AForm 4 → | Nov 21, 3:06 pm EST | Gerald J LaberDirector | 30,024 | — | — | 30,024 | — | |
| Nov 18, 2016 AForm 4 → | Nov 21, 3:01 pm EST | Sharon D GarrettDirector | 30,024 | — | — | 30,024 | — | |
| Apr 15, 2016 MForm 4 → | Apr 15, 5:40 pm EDT | Sharon D GarrettDirector | 10,533 | — | — | 19,467 | — | |
| Apr 13, 2016 MForm 4 → | Apr 15, 12:52 pm EDT | Philip A NeriDirector | 7,200 | — | — | 1,813 | — | |
| Dec 9, 2015 MForm 4 → | Dec 11, 5:42 pm EST | Mark E GoldsteinCOB/President/CEO, Director, 10% Owner | 18,400 | — | — | 0 | — | |
| Aug 31, 2015 AForm 4 → | Sep 1, 4:23 pm EDT | Philip A NeriDirector | 30,000 | — | — | 30,000 | — | |
| Aug 31, 2015 AForm 4 → | Sep 1, 4:18 pm EDT | Barry J LevineCOO/CFO/Treasurer/Secretary, Director | 200,000 | — | — | 200,000 | — | |
| Aug 31, 2015 AForm 4 → | Sep 1, 4:11 pm EDT | Gerald J LaberDirector | 30,000 | — | — | 30,000 | — | |
| Aug 31, 2015 AForm 4 → | Sep 1, 4:05 pm EDT | Michael B. HymanSenior Vice President, Sales | 50,000 | — | — | 50,000 | — | |
| Aug 31, 2015 AForm 4 → | Sep 1, 3:59 pm EDT | Mark E GoldsteinCOB/President/CEO, Director, 10% Owner | 100,000 | — | — | 100,000 | — | |
| Aug 31, 2015 AForm 4 → | Sep 1, 3:54 pm EDT | Sharon D GarrettDirector | 30,000 | — | — | 30,000 | — | |
| Jun 23, 2015 MForm 4 → | Jun 24, 5:09 pm EDT | Philip A NeriDirector | 21,431 | — | — | 7,138 | — | |
| May 21, 2015 MForm 4 → | May 22, 12:22 pm EDT | Gerald J LaberDirector | 8,750 | $0.2107 | $1,844 | 0 | — | |
| Apr 13, 2015 MForm 4 → | Apr 15, 11:58 am EDT | Mark E GoldsteinCOB/President/CEO, Director, 10% Owner | 29,500 | $0.24 | $7,080 | 0 | — |