Mark Herndon

Track

Insider profile

Currently holds a position at Safeguard Scientifics Inc

Performance

Overall performance
2.5
Performance over holding periods
2.5
30 days 90 days 120 days
Average return 9% 8.2% 15.1%
Success rate 82% 68% 82%
Transactions
4 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Chief Financial Officer, Senior Vice President Safeguard Scientifics Inc Sept. 21, 2018 -
Mark Herndon's trades of Horizon Kinetics Holding Corp's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Purchase
Price
6.25
Quantity 2,000 +7.1%
Value US$12,500
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-20 2026-08-20
B Purchase
28,584 +35.6%
147.09
US$200,105 		28,584 +35.6% 147.09 US$200,105
2026-08-20 2026-08-19
B Purchase
37,687 -21.8%
19.85
US$914,554 		37,687 -21.8% 19.85 US$914,554
2026-05-21 2026-05-20
B Purchase
72,024 -46.8%
63.40
US$2,035,178 		72,024 -46.8% 63.40 US$2,035,178
2026-03-19 2026-03-18
B Purchase
80 +66.7%
33.03
US$2,642 		80 +66.7% 33.03 US$2,642
2025-11-21 2025-11-20
B Purchase
100 +500.0%
29.00
US$2,900 		100 +500.0% 29.00 US$2,900
2025-06-05 2025-06-04
B Purchase
20 +inf%
40.18
US$804 		20 +inf% 40.18 US$804
2020-05-07 2020-05-06
B Purchase
2,000 +7.1%
6.25
US$12,500 		2,000 +7.1% 6.25 US$12,500