HKHCHorizon Kinetics Holding Corp
- Market cap
- $369.91M
- as of 2026-10-23
- Latest close
- $19.85
- as of 2026-10-23
- Sector
- Financial Services
- as of 2026-10-24
- Industry
- Asset Management
- as of 2026-10-24
Cluster
3 insiders bought $93.6K between Aug 24 – Sep 2.
Under the default rule (14d · ≥2 insiders · all roles).
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | Holding change | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|---|
| Rosenthal Brent D | Aug 24 | Aug 24 | P | 2,000 | $27.00 | Purchase +$54,000 | 4,450 | +81.6% | Not reported | Form 4 |
| Brennan Alice C | Aug 24 | Aug 24 | P | 200 | $26.87 | Purchase +$5,374 | 1,200 | +20.0% | Not reported | Form 4 |
| Brennan Alice C | Aug 25 | Aug 25 | P | 200 | $26.75 | Purchase +$5,350 | 1,400 | +16.7% | Not reported | Form 4 |
| Roller Daniel J | Aug 26 | Aug 27 | P | 500 | $26.50 | Purchase +$13,250 | 10,000 | +5.3% | No | Form 4 |
| Brennan Alice C | Aug 27 | Aug 28 | P | 200 | $26.00 | Purchase +$5,200 | 1,600 | +14.3% | No | Form 4 |
| Brennan Alice C | Aug 28 | Aug 31 | P | 200 | $26.20 | Purchase +$5,240 | 1,800 | +12.5% | No | Form 4 |
| Brennan Alice C | Sep 2 | Sep 3 | P | 200 | $25.92 | Purchase +$5,184 | 2,000 | +11.1% | No | Form 4 |
Form 4 historysince 2024-09-04
Dashed line = amended filing (Form 4/A)
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Nagelberg Allison | Sep 18 | Sep 22 | P | 190 | $26.27 | Purchase +$4,991 | 590 | No | Form 4 |
| Brennan Alice C | Sep 2 | Sep 3 | P | 200 | $25.92 | Purchase +$5,184 | 2,000 | No | Form 4 |
| Brennan Alice C | Aug 28 | Aug 31 | P | 200 | $26.20 | Purchase +$5,240 | 1,800 | No | Form 4 |
| Brennan Alice C | Aug 27 | Aug 28 | P | 200 | $26.00 | Purchase +$5,200 | 1,600 | No | Form 4 |
| Maran Capital Management, LLC | Aug 26 | Aug 27 | P | 500 | $26.50 | Purchase +$13,250 | 10,000 | No | Form 4 |
| Brennan Alice C | Aug 25 | Aug 26 | P | 200 | $26.75 | Purchase +$5,350 | 1,400 | No | Form 4 |
| Rosenthal Brent D | Aug 24 | Aug 25 | P | 2,000 | $27.00 | Purchase +$54,000 | 4,450 | No | Form 4 |
| Brennan Alice C | Aug 24 | Aug 25 | P | 200 | $26.87 | Purchase +$5,374 | 1,200 | No | Form 4 |
| Herndon MarkChief Financial Officer | Aug 20 | Aug 20 | P | 200 | $26.75 | Purchase +$5,350 | 550 | No | Form 4 |
| Herndon MarkChief Financial Officer | Aug 19 | Aug 20 | P | 50 | $26.50 | Purchase +$1,325 | 350 | No | Form 4 |
| Rosenthal Brent D | May 20 | May 21 | P | 700 | $27.85 | Purchase +$19,495 | 2,450 | No | Form 4 |
| Herndon MarkChief Financial Officer | May 20 | May 21 | P | 100 | $27.85 | Purchase +$2,785 | 300 | No | Form 4 |
| Stahl MurrayCEO and CIO | Mar 20 | Mar 244/A | P | 10 | $34.60 | Purchase +$346 | 249,204 | No | Form 4/A |
| Stahl MurrayCEO and CIO | Mar 20 | Mar 244/A | P | 25 | $34.60 | Purchase +$865 | 8,216,801 | No | Form 4/A |
| Stahl MurrayCEO and CIO | Mar 20 | Mar 244/A | P | 18 | $34.60 | Purchase +$623 | 135 | No | Form 4/A |
| Nagelberg Allison | Mar 20 | Mar 23 | P | 150 | $33.96 | Purchase +$5,094 | 400 | No | Form 4 |
| Horizon Common Inc | Mar 19 | Mar 20 | P | 46 | $34.06 | Purchase +$1,567 | 249,194 | No | Form 4 |
| Horizon Common Inc | Mar 19 | Mar 20 | P | 25 | $34.06 | Purchase +$852 | 8,216,776 | No | Form 4 |
| Horizon Common Inc | Mar 19 | Mar 20 | P | 18 | $34.06 | Purchase +$613 | 117 | No | Form 4 |
| Rosenthal Brent D | Mar 18 | Mar 19 | P | 750 | $33.05 | Purchase +$24,788 | 1,750 | No | Form 4 |
| Herndon MarkChief Financial Officer | Mar 18 | Mar 19 | P | 80 | $33.03 | Purchase +$2,642 | 200 | No | Form 4 |
| Horizon Common Inc | Mar 18 | Mar 19 | P | 10 | $34.00 | Purchase +$340 | 249,148 | No | Form 4 |
| Horizon Common Inc | Mar 18 | Mar 19 | P | 9 | $34.00 | Purchase +$306 | 8,216,751 | No | Form 4 |
| Horizon Common Inc | Mar 18 | Mar 19 | P | 8 | $34.00 | Purchase +$272 | 99 | No | Form 4 |
| Maran Partners Fund, LP | Dec 23, 2025 | Dec 23, 2025 | J | 25,360 | $0.00 | $0 | 236,066 | No | Form 4 |
| Maran Partners Fund, LP | Dec 23, 2025 | Dec 23, 2025 | J | 42,000 | $0.00 | $0 | not reported | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 10, 2025 | Dec 11, 2025 | P | 12 | $27.00 | Purchase +$324 | 249,138 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 10, 2025 | Dec 11, 2025 | P | 6 | $27.00 | Purchase +$162 | 8,216,742 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 10, 2025 | Dec 11, 2025 | P | 4 | $27.00 | Purchase +$108 | 91 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 9, 2025 | Dec 10, 2025 | P | 12 | $27.00 | Purchase +$324 | 249,126 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 9, 2025 | Dec 10, 2025 | P | 6 | $27.00 | Purchase +$162 | 8,216,736 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 9, 2025 | Dec 10, 2025 | P | 4 | $27.00 | Purchase +$108 | 87 | No | Form 4 |
| Horizon Common Inc | Dec 8, 2025 | Dec 9, 2025 | P | 12 | $26.73 | Purchase +$321 | 249,114 | No | Form 4 |
| Horizon Common Inc | Dec 8, 2025 | Dec 9, 2025 | P | 6 | $26.73 | Purchase +$160 | 8,216,730 | No | Form 4 |
| Horizon Common Inc | Dec 8, 2025 | Dec 9, 2025 | P | 4 | $26.73 | Purchase +$107 | 83 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 5, 2025 | Dec 8, 2025 | P | 12 | $27.75 | Purchase +$333 | 249,102 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 5, 2025 | Dec 8, 2025 | P | 6 | $27.75 | Purchase +$167 | 8,216,724 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 5, 2025 | Dec 8, 2025 | P | 4 | $27.75 | Purchase +$111 | 79 | No | Form 4 |
| Horizon Common Inc | Dec 4, 2025 | Dec 5, 2025 | P | 12 | $27.75 | Purchase +$333 | 249,090 | No | Form 4 |
| Horizon Common Inc | Dec 4, 2025 | Dec 5, 2025 | P | 6 | $27.75 | Purchase +$167 | 8,216,718 | No | Form 4 |
| Horizon Common Inc | Dec 4, 2025 | Dec 5, 2025 | P | 4 | $27.75 | Purchase +$111 | 75 | No | Form 4 |
| Horizon Common Inc | Dec 3, 2025 | Dec 4, 2025 | P | 12 | $27.00 | Purchase +$324 | 249,078 | No | Form 4 |
| Horizon Common Inc | Dec 3, 2025 | Dec 4, 2025 | P | 6 | $27.00 | Purchase +$162 | 8,216,712 | No | Form 4 |
| Horizon Common Inc | Dec 3, 2025 | Dec 4, 2025 | P | 4 | $27.00 | Purchase +$108 | 71 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 2, 2025 | Dec 3, 2025 | P | 12 | $27.23 | Purchase +$327 | 249,066 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 2, 2025 | Dec 3, 2025 | P | 6 | $27.23 | Purchase +$163 | 8,216,706 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 2, 2025 | Dec 3, 2025 | P | 4 | $27.23 | Purchase +$109 | 67 | No | Form 4 |
| Horizon Common Inc | Dec 1, 2025 | Dec 2, 2025 | P | 12 | $27.00 | Purchase +$324 | 249,054 | No | Form 4 |
| Horizon Common Inc | Dec 1, 2025 | Dec 2, 2025 | P | 6 | $27.00 | Purchase +$162 | 8,216,700 | No | Form 4 |
| Horizon Common Inc | Dec 1, 2025 | Dec 2, 2025 | P | 4 | $27.00 | Purchase +$108 | 63 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 28, 2025 | Dec 1, 2025 | P | 12 | $27.23 | Purchase +$327 | 249,042 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 28, 2025 | Dec 1, 2025 | P | 6 | $27.23 | Purchase +$163 | 8,216,694 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 28, 2025 | Dec 1, 2025 | P | 4 | $27.23 | Purchase +$109 | 59 | No | Form 4 |
| Horizon Common Inc | Nov 26, 2025 | Nov 28, 2025 | P | 12 | $27.23 | Purchase +$327 | 249,030 | No | Form 4 |
| Horizon Common Inc | Nov 26, 2025 | Nov 28, 2025 | P | 8 | $27.23 | Purchase +$218 | 8,216,688 | No | Form 4 |
| Horizon Common Inc | Nov 26, 2025 | Nov 28, 2025 | P | 4 | $27.23 | Purchase +$109 | 55 | No | Form 4 |
| Rosenthal Brent D | Nov 25, 2025 | Nov 26, 2025 | P | 300 | $27.28 | Purchase +$8,184 | 1,000 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 25, 2025 | Nov 26, 2025 | P | 12 | $27.00 | Purchase +$324 | 249,018 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 25, 2025 | Nov 26, 2025 | P | 8 | $27.00 | Purchase +$216 | 8,216,680 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 25, 2025 | Nov 26, 2025 | P | 4 | $27.00 | Purchase +$108 | 51 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 24, 2025 | Nov 25, 2025 | P | 12 | $28.00 | Purchase +$336 | 249,006 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 24, 2025 | Nov 25, 2025 | P | 8 | $28.00 | Purchase +$224 | 8,216,672 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 24, 2025 | Nov 25, 2025 | P | 4 | $28.00 | Purchase +$112 | 47 | No | Form 4 |
| Horizon Common Inc | Nov 21, 2025 | Nov 24, 2025 | P | 12 | $28.25 | Purchase +$339 | 248,994 | No | Form 4 |
| Horizon Common Inc | Nov 21, 2025 | Nov 24, 2025 | P | 9 | $28.25 | Purchase +$254 | 8,216,664 | No | Form 4 |
| Horizon Common Inc | Nov 21, 2025 | Nov 24, 2025 | P | 4 | $28.25 | Purchase +$113 | 43 | No | Form 4 |
| Herndon MarkChief Financial Officer | Nov 20, 2025 | Nov 21, 2025 | P | 100 | $29.00 | Purchase +$2,900 | 120 | No | Form 4 |
| Horizon Common Inc | Nov 20, 2025 | Nov 21, 2025 | P | 11 | $27.50 | Purchase +$303 | 248,982 | No | Form 4 |
| Horizon Common Inc | Nov 20, 2025 | Nov 21, 2025 | P | 9 | $27.50 | Purchase +$248 | 8,216,655 | No | Form 4 |
| Horizon Common Inc | Nov 20, 2025 | Nov 21, 2025 | P | 4 | $27.50 | Purchase +$110 | 39 | No | Form 4 |
| Horizon Common Inc | Sep 9, 2025 | Sep 10, 2025 | P | 8 | $38.30 | Purchase +$306 | 248,971 | No | Form 4 |
| Horizon Common Inc | Sep 9, 2025 | Sep 10, 2025 | P | 7 | $38.30 | Purchase +$268 | 8,216,646 | No | Form 4 |
| Horizon Common Inc | Sep 9, 2025 | Sep 10, 2025 | P | 5 | $38.30 | Purchase +$192 | 823,923 | No | Form 4 |
| Horizon Common Inc | Sep 9, 2025 | Sep 10, 2025 | P | 4 | $38.30 | Purchase +$153 | 35 | No | Form 4 |
| Horizon Common Inc | Sep 8, 2025 | Sep 9, 2025 | P | 10 | $38.85 | Purchase +$389 | 248,963 | No | Form 4 |
| Horizon Common Inc | Sep 8, 2025 | Sep 9, 2025 | P | 6 | $38.85 | Purchase +$233 | 8,216,639 | No | Form 4 |
| Horizon Common Inc | Sep 8, 2025 | Sep 9, 2025 | P | 5 | $38.85 | Purchase +$194 | 823,918 | No | Form 4 |
| Horizon Common Inc | Sep 8, 2025 | Sep 9, 2025 | P | 4 | $38.85 | Purchase +$155 | 31 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 5, 2025 | Sep 8, 2025 | P | 8 | $39.00 | Purchase +$312 | 248,953 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 5, 2025 | Sep 8, 2025 | P | 6 | $39.00 | Purchase +$234 | 8,216,633 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 5, 2025 | Sep 8, 2025 | P | 5 | $39.00 | Purchase +$195 | 823,913 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 5, 2025 | Sep 8, 2025 | P | 4 | $39.00 | Purchase +$156 | 27 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 4, 2025 | Sep 5, 2025 | P | 8 | $39.45 | Purchase +$316 | 248,945 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 4, 2025 | Sep 5, 2025 | P | 6 | $39.45 | Purchase +$237 | 8,216,627 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 4, 2025 | Sep 5, 2025 | P | 5 | $39.45 | Purchase +$197 | 823,908 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 4, 2025 | Sep 5, 2025 | P | 4 | $39.45 | Purchase +$158 | 23 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 3, 2025 | Sep 4, 2025 | P | 8 | $40.20 | Purchase +$322 | 248,937 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 3, 2025 | Sep 4, 2025 | P | 6 | $40.20 | Purchase +$241 | 8,216,621 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 3, 2025 | Sep 4, 2025 | P | 5 | $40.20 | Purchase +$201 | 823,903 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 3, 2025 | Sep 4, 2025 | P | 4 | $40.20 | Purchase +$161 | 19 | No | Form 4 |
| Rosenthal Brent D | Sep 2, 2025 | Sep 3, 2025 | P | 300 | $38.00 | Purchase +$11,400 | 700 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 2, 2025 | Sep 3, 2025 | P | 8 | $38.00 | Purchase +$304 | 248,929 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 2, 2025 | Sep 3, 2025 | P | 6 | $38.00 | Purchase +$228 | 8,216,615 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 2, 2025 | Sep 3, 2025 | P | 5 | $38.00 | Purchase +$190 | 823,898 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 2, 2025 | Sep 3, 2025 | P | 4 | $38.00 | Purchase +$152 | 15 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 29, 2025 | Sep 2, 2025 | P | 8 | $38.00 | Purchase +$304 | 248,921 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 29, 2025 | Sep 2, 2025 | P | 6 | $38.00 | Purchase +$228 | 8,216,609 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 29, 2025 | Sep 2, 2025 | P | 5 | $38.00 | Purchase +$190 | 823,893 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 29, 2025 | Sep 2, 2025 | P | 2 | $38.00 | Purchase +$76 | 11 | No | Form 4 |
| Horizon Common Inc | Aug 28, 2025 | Sep 2, 20254/A | P | 8 | $38.00 | Purchase +$304 | 248,961 | No | Form 4/A |
| Horizon Common Inc | Aug 28, 2025 | Sep 2, 20254/A | P | 6 | $38.00 | Purchase +$228 | 8,216,603 | No | Form 4/A |
| Horizon Common Inc | Aug 28, 2025 | Sep 2, 20254/A | P | 5 | $38.00 | Purchase +$190 | 823,888 | No | Form 4/A |
| Horizon Common Inc | Aug 28, 2025 | Sep 2, 20254/A | P | 2 | $38.00 | Purchase +$76 | 9 | No | Form 4/A |
| Horizon Common Inc | Aug 27, 2025 | Sep 2, 20254/A | P | 8 | $38.00 | Purchase +$304 | 248,945 | No | Form 4/A |
| Horizon Common Inc | Aug 27, 2025 | Sep 2, 20254/A | P | 6 | $38.00 | Purchase +$228 | 8,216,597 | No | Form 4/A |
| Horizon Common Inc | Aug 27, 2025 | Sep 2, 20254/A | P | 5 | $38.00 | Purchase +$190 | 823,883 | No | Form 4/A |
| Horizon Common Inc | Aug 27, 2025 | Sep 2, 20254/A | P | 2 | $38.00 | Purchase +$76 | 7 | No | Form 4/A |
| Horizon Common Inc | Aug 26, 2025 | Sep 2, 20254/A | P | 8 | $38.00 | Purchase +$304 | 248,929 | No | Form 4/A |
| Horizon Common Inc | Aug 26, 2025 | Sep 2, 20254/A | P | 6 | $38.00 | Purchase +$228 | 8,216,591 | No | Form 4/A |
| Horizon Common Inc | Aug 26, 2025 | Sep 2, 20254/A | P | 5 | $38.00 | Purchase +$190 | 823,878 | No | Form 4/A |
| Horizon Common Inc | Aug 26, 2025 | Sep 2, 20254/A | P | 2 | $38.00 | Purchase +$76 | 5 | No | Form 4/A |
| Brennan Alice C | Aug 27, 2025 | Aug 28, 2025 | P | 100 | $38.00 | Purchase +$3,800 | 1,000 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 25, 2025 | Aug 26, 2025 | P | 8 | $38.00 | Purchase +$304 | 248,889 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 25, 2025 | Aug 26, 2025 | P | 6 | $38.00 | Purchase +$228 | 8,216,585 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 25, 2025 | Aug 26, 2025 | P | 5 | $38.00 | Purchase +$190 | 823,873 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 25, 2025 | Aug 26, 2025 | P | 2 | $38.00 | Purchase +$76 | 3 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 22, 2025 | Aug 25, 2025 | P | 8 | $37.63 | Purchase +$301 | 248,881 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 22, 2025 | Aug 25, 2025 | P | 6 | $37.63 | Purchase +$226 | 8,216,579 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 22, 2025 | Aug 25, 2025 | P | 5 | $37.63 | Purchase +$188 | 823,868 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 22, 2025 | Aug 25, 2025 | P | 1 | $37.63 | Purchase +$38 | 1 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 21, 2025 | Aug 22, 2025 | P | 8 | $38.00 | Purchase +$304 | 248,873 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 21, 2025 | Aug 22, 2025 | P | 6 | $38.00 | Purchase +$228 | 8,216,573 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 20, 2025 | Aug 21, 2025 | P | 8 | $38.15 | Purchase +$305 | 248,865 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 20, 2025 | Aug 21, 2025 | P | 6 | $38.15 | Purchase +$229 | 8,216,567 | No | Form 4 |
| Stahl MurrayCEO and CIO | Aug 20, 2025 | Aug 21, 2025 | P | 1 | $38.15 | Purchase +$38 | 952 | No | Form 4 |
| Stahl MurrayCEO and CIO | Jun 10, 2025 | Jun 11, 2025 | P | 8 | $49.00 | Purchase +$392 | 248,857 | No | Form 4 |
| Stahl MurrayCEO and CIO | Jun 10, 2025 | Jun 11, 2025 | P | 2 | $49.00 | Purchase +$98 | 8,216,561 | No | Form 4 |
| Horizon Common Inc | Jun 9, 2025 | Jun 10, 2025 | P | 8 | $47.00 | Purchase +$376 | 248,849 | No | Form 4 |
| Horizon Common Inc | Jun 9, 2025 | Jun 10, 2025 | P | 2 | $47.00 | Purchase +$94 | 8,216,559 | No | Form 4 |
| Horizon Common Inc | Jun 6, 2025 | Jun 9, 2025 | P | 8 | $47.00 | Purchase +$376 | 248,841 | No | Form 4 |
| Horizon Common Inc | Jun 6, 2025 | Jun 9, 2025 | P | 2 | $47.00 | Purchase +$94 | 8,216,557 | No | Form 4 |
| Horizon Common Inc | Jun 5, 2025 | Jun 6, 2025 | P | 8 | $41.00 | Purchase +$328 | 248,833 | No | Form 4 |
| Horizon Common Inc | Jun 5, 2025 | Jun 6, 2025 | P | 2 | $41.00 | Purchase +$82 | 8,216,555 | No | Form 4 |
| Herndon MarkChief Financial Officer | Jun 4, 2025 | Jun 5, 2025 | P | 20 | $40.18 | Purchase +$804 | 20 | No | Form 4 |
| Horizon Common Inc | Jun 4, 2025 | Jun 5, 2025 | P | 8 | $41.00 | Purchase +$328 | 248,825 | No | Form 4 |
| Horizon Common Inc | Jun 4, 2025 | Jun 5, 2025 | P | 2 | $41.00 | Purchase +$82 | 8,216,553 | No | Form 4 |
| Horizon Common Inc | Jun 3, 2025 | Jun 4, 2025 | P | 8 | $41.00 | Purchase +$328 | 248,817 | No | Form 4 |
| Horizon Common Inc | Jun 3, 2025 | Jun 4, 2025 | P | 2 | $41.00 | Purchase +$82 | 8,216,551 | No | Form 4 |
| Horizon Common Inc | Jun 2, 2025 | Jun 3, 2025 | P | 8 | $43.50 | Purchase +$348 | 248,809 | No | Form 4 |
| Horizon Common Inc | Jun 2, 2025 | Jun 3, 2025 | P | 2 | $43.50 | Purchase +$87 | 8,216,549 | No | Form 4 |
| Horizon Common Inc | May 30, 2025 | Jun 2, 2025 | P | 8 | $41.75 | Purchase +$334 | 248,801 | No | Form 4 |
| Horizon Common Inc | May 30, 2025 | Jun 2, 2025 | P | 2 | $41.75 | Purchase +$84 | 8,216,547 | No | Form 4 |
| Horizon Common Inc | May 29, 2025 | May 30, 2025 | P | 8 | $41.50 | Purchase +$332 | 248,793 | No | Form 4 |
| Horizon Common Inc | May 29, 2025 | May 30, 2025 | P | 2 | $41.50 | Purchase +$83 | 8,216,545 | No | Form 4 |
| Stahl MurrayCEO and CIO | May 28, 2025 | May 29, 2025 | P | 8 | $41.25 | Purchase +$330 | 248,785 | No | Form 4 |
| Stahl MurrayCEO and CIO | May 28, 2025 | May 29, 2025 | P | 2 | $41.25 | Purchase +$83 | 8,216,543 | No | Form 4 |
| Stahl MurrayCEO and CIO | May 27, 2025 | May 28, 2025 | P | 8 | $42.00 | Purchase +$336 | 248,777 | No | Form 4 |
| Stahl MurrayCEO and CIO | May 27, 2025 | May 28, 2025 | P | 2 | $42.00 | Purchase +$84 | 8,216,541 | No | Form 4 |
| Stahl MurrayCEO and CIO | May 23, 2025 | May 27, 2025 | P | 8 | $41.79 | Purchase +$334 | 248,769 | No | Form 4 |
| Stahl MurrayCEO and CIO | May 23, 2025 | May 27, 2025 | P | 2 | $41.79 | Purchase +$84 | 8,216,539 | No | Form 4 |
| Horizon Common Inc | May 22, 2025 | May 23, 2025 | P | 8 | $38.50 | Purchase +$308 | 248,761 | No | Form 4 |
| Horizon Common Inc | May 22, 2025 | May 23, 2025 | P | 2 | $38.50 | Purchase +$77 | 8,216,537 | No | Form 4 |
| Stahl MurrayCEO and CIO | May 21, 2025 | May 22, 2025 | P | 7 | $36.75 | Purchase +$257 | 248,753 | No | Form 4 |
| Stahl MurrayCEO and CIO | May 21, 2025 | May 22, 2025 | P | 2 | $36.75 | Purchase +$74 | 8,216,535 | No | Form 4 |
| Horizon Common Inc | Dec 4, 2025 | May 5, 2025 | P | 6 | $41.25 | Purchase +$248 | 8,216,515 | No | Form 4 |
| Horizon Common Inc | Nov 27, 2025 | May 5, 2025 | P | 6 | $41.00 | Purchase +$246 | 8,216,491 | No | Form 4 |
| Horizon Common Inc | Dec 9, 2024 | May 5, 2025 | P | 6 | $43.21 | Purchase +$259 | 8,216,533 | No | Form 4 |
| Horizon Common Inc | Dec 6, 2024 | May 5, 2025 | P | 6 | $40.00 | Purchase +$240 | 8,216,527 | No | Form 4 |
| Horizon Common Inc | Dec 5, 2024 | May 5, 2025 | P | 6 | $43.10 | Purchase +$259 | 8,216,521 | No | Form 4 |
| Horizon Common Inc | Dec 3, 2024 | May 5, 2025 | P | 6 | $40.75 | Purchase +$245 | 8,216,509 | No | Form 4 |
| Horizon Common Inc | Dec 2, 2024 | May 5, 2025 | P | 6 | $38.95 | Purchase +$234 | 8,216,503 | No | Form 4 |
| Horizon Common Inc | Nov 29, 2024 | May 5, 2025 | P | 6 | $39.50 | Purchase +$237 | 8,216,497 | No | Form 4 |
| Horizon Common Inc | Nov 26, 2024 | May 5, 2025 | P | 6 | $39.00 | Purchase +$234 | 8,216,485 | No | Form 4 |
| Horizon Common Inc | Nov 25, 2024 | May 5, 2025 | S | 6 | $39.75 | Sale −$239 | 8,216,479 | No | Form 4 |
| Horizon Common Inc | Nov 22, 2024 | May 5, 2025 | P | 6 | $38.75 | Purchase +$233 | 8,216,473 | No | Form 4 |
| Horizon Common Inc | Nov 21, 2024 | May 5, 2025 | P | 6 | $37.00 | Purchase +$222 | 8,216,467 | No | Form 4 |
| Horizon Common Inc | Nov 20, 2024 | May 5, 2025 | P | 6 | $37.50 | Purchase +$225 | 8,216,461 | No | Form 4 |
| Horizon Common Inc | Nov 19, 2024 | May 5, 2025 | P | 6 | $36.78 | Purchase +$221 | 8,216,455 | No | Form 4 |
| Horizon Common Inc | Nov 18, 2024 | May 5, 2025 | P | 6 | $38.75 | Purchase +$233 | 8,216,449 | No | Form 4 |
| Horizon Common Inc | Nov 15, 2024 | May 5, 2025 | P | 6 | $38.50 | Purchase +$231 | 8,216,443 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 9, 2024 | Dec 10, 2024 | P | 8 | $43.21 | Purchase +$346 | 248,746 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 9, 2024 | Dec 10, 2024 | P | 6 | $43.21 | Purchase +$259 | 8,216,533 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 6, 2024 | Dec 9, 2024 | P | 8 | $40.00 | Purchase +$320 | 248,738 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 6, 2024 | Dec 9, 2024 | P | 6 | $40.00 | Purchase +$240 | 8,216,527 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 5, 2024 | Dec 6, 2024 | P | 8 | $43.10 | Purchase +$345 | 248,730 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 5, 2024 | Dec 6, 2024 | P | 6 | $43.10 | Purchase +$259 | 8,216,521 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 4, 2024 | Dec 5, 2024 | P | 8 | $41.25 | Purchase +$330 | 248,722 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 4, 2024 | Dec 5, 2024 | P | 6 | $41.25 | Purchase +$248 | 8,216,515 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 3, 2024 | Dec 4, 2024 | P | 8 | $40.75 | Purchase +$326 | 248,714 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 3, 2024 | Dec 4, 2024 | P | 6 | $40.75 | Purchase +$245 | 8,216,509 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 2, 2024 | Dec 3, 2024 | P | 8 | $38.95 | Purchase +$312 | 248,706 | No | Form 4 |
| Stahl MurrayCEO and CIO | Dec 2, 2024 | Dec 3, 2024 | P | 6 | $38.95 | Purchase +$234 | 8,216,503 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 29, 2024 | Dec 2, 2024 | P | 8 | $39.50 | Purchase +$316 | 248,698 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 29, 2024 | Dec 2, 2024 | P | 6 | $39.50 | Purchase +$237 | 8,216,497 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 27, 2024 | Nov 29, 2024 | P | 8 | $41.00 | Purchase +$328 | 248,690 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 27, 2024 | Nov 29, 2024 | P | 6 | $41.00 | Purchase +$246 | 8,216,491 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 26, 2024 | Nov 27, 2024 | P | 8 | $39.00 | Purchase +$312 | 248,682 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 26, 2024 | Nov 27, 2024 | P | 6 | $39.00 | Purchase +$234 | 8,216,485 | No | Form 4 |
| Kesslen Jay HGeneral Counsel and Secretary | Nov 25, 2024 | Nov 26, 2024 | P | 75 | $39.69 | Purchase +$2,977 | 350 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 25, 2024 | Nov 26, 2024 | P | 8 | $39.75 | Purchase +$318 | 248,674 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 25, 2024 | Nov 26, 2024 | P | 6 | $39.75 | Purchase +$239 | 8,216,479 | No | Form 4 |
| Kesslen Jay HGeneral Counsel and Secretary | Nov 22, 2024 | Nov 25, 2024 | P | 75 | $39.00 | Purchase +$2,925 | 275 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 22, 2024 | Nov 25, 2024 | P | 8 | $38.75 | Purchase +$310 | 248,666 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 22, 2024 | Nov 25, 2024 | P | 6 | $38.75 | Purchase +$233 | 8,216,473 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 21, 2024 | Nov 22, 2024 | P | 8 | $37.00 | Purchase +$296 | 248,658 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 21, 2024 | Nov 22, 2024 | P | 6 | $37.00 | Purchase +$222 | 8,216,467 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 20, 2024 | Nov 21, 2024 | P | 8 | $37.50 | Purchase +$300 | 248,650 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 20, 2024 | Nov 21, 2024 | P | 6 | $37.50 | Purchase +$225 | 8,216,461 | No | Form 4 |
| Williams AlunChief Operating Officer | Nov 19, 2024 | Nov 20, 2024 | P | 50 | $36.89 | Purchase +$1,845 | 50 | No | Form 4 |
| Rosenthal Brent D | Nov 19, 2024 | Nov 20, 2024 | P | 100 | $37.06 | Purchase +$3,706 | 400 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 19, 2024 | Nov 20, 2024 | P | 8 | $36.78 | Purchase +$294 | 248,642 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 19, 2024 | Nov 20, 2024 | P | 6 | $36.78 | Purchase +$221 | 8,216,455 | No | Form 4 |
| Russell GrimaldiCCO & Assoc General Counsel | Nov 18, 2024 | Nov 19, 2024 | P | 132 | $38.75 | Purchase +$5,115 | 132 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 18, 2024 | Nov 19, 2024 | P | 8 | $38.75 | Purchase +$310 | 248,634 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 18, 2024 | Nov 19, 2024 | P | 1 | $38.75 | Purchase +$39 | 5 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 18, 2024 | Nov 19, 2024 | P | 6 | $38.75 | Purchase +$233 | 8,216,449 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 15, 2024 | Nov 18, 2024 | P | 10 | $38.50 | Purchase +$385 | 248,626 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 15, 2024 | Nov 18, 2024 | P | 1 | $38.50 | Purchase +$39 | 4 | No | Form 4 |
| Stahl MurrayCEO and CIO | Nov 15, 2024 | Nov 18, 2024 | P | 6 | $38.50 | Purchase +$231 | 8,216,443 | No | Form 4 |
| Nagelberg Allison | Nov 14, 2024 | Nov 18, 2024 | P | 50 | $38.99 | Purchase +$1,950 | 250 | No | Form 4 |
| Rosenthal Brent D | Nov 14, 2024 | Nov 15, 2024 | P | 300 | $38.06 | Purchase +$11,418 | 300 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 9, 2024 | Sep 10, 2024 | P | 8 | $24.20 | Purchase +$194 | 248,616 | No | Form 4 |
| Brennan Alice C | Sep 6, 2024 | Sep 9, 2024 | P | 400 | $25.56 | Purchase +$10,224 | 900 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 6, 2024 | Sep 9, 2024 | P | 8 | $26.00 | Purchase +$208 | 248,608 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 5, 2024 | Sep 6, 2024 | P | 8 | $27.00 | Purchase +$216 | 248,600 | No | Form 4 |
| Nagelberg Allison | Sep 5, 2024 | Sep 6, 2024 | P | 200 | $25.48 | Purchase +$5,096 | 200 | No | Form 4 |
| Doyle PeterVice-President | Sep 5, 2024 | Sep 6, 2024 | P | 50 | $26.50 | Purchase +$1,325 | 880,682 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 4, 2024 | Sep 5, 2024 | P | 8 | $27.90 | Purchase +$223 | 248,592 | No | Form 4 |
| Brennan Alice C | Sep 3, 2024 | Sep 4, 2024 | P | 500 | $24.36 | Purchase +$12,180 | 500 | No | Form 4 |
| Stahl MurrayCEO and CIO | Sep 3, 2024 | Sep 4, 2024 | P | 8 | $24.95 | Purchase +$200 | 248,584 | No | Form 4 |
| Doyle PeterVice-President | Sep 3, 2024 | Sep 4, 2024 | P | 50 | $24.75 | Purchase +$1,238 | 880,632 | No | Form 4 |
| Doyle PeterVice-President | Aug 2, 2024 | Sep 4, 2024 | P | 25 | $25.20 | Purchase +$630 | 880,582 | No | Form 4 |