Blackboxstocks Inc. (BLBX) Insider Ownership

Historic Insider Ownership Trends

Blackboxstocks's three largest insider shareholders as of April 11, 2026 are Gust Kepler (President And Ceo, 596.22K shares), Gust Kepler (TenPercentOwner, 414.22K shares), Robert L Winspear (Chief Financial Officer, 252.50K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Gust Kepler President And Ceo 596,218 0 25 Jun, 2025
Gust Kepler - 414,218 0 19 Mar, 2026
Robert L Winspear Chief Financial Officer 0 252,500 27 Feb, 2026
Robert L Winspear Chief Financial Officer 0 173,000 17 Jun, 2022
Robert L Winspear Chief Financial Officer 0 158,000 20 May, 2022
Ray Balestri - 131,414 0 16 Sep, 2022
Ray Balestri - 0 125,366 16 Jun, 2022
Robert L Winspear Chief Financial Officer 0 118,250 20 Oct, 2025
Robert L Winspear Chief Financial Officer 68,250 0 12 Feb, 2025
Ray Balestri - 0 50,000 19 Nov, 2021
Dalya Sulaiman - 39,396 0 20 Feb, 2026
Charles Brandon Smith Chief Technology Officer 25,513 0 04 Mar, 2026
Grant Evans - 23,724 0 26 Jan, 2026
Charles Keller Reid - 16,298 0 23 Oct, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
17 Mar, 2026 Gust Kepler Common Stock, par value $0.001 per share D 62,000 $12.89 414,218 D S
13 Mar, 2026 Gust Kepler Common Stock, par value $0.001 per share D 49,000 $12.31 547,218 D S
16 Mar, 2026 Gust Kepler Common Stock, par value $0.001 per share D 71,000 $11.01 476,218 D S
24 Feb, 2026 Gust Kepler Series A Convertible Preferred Stock, par value $0.001 D 1,634,999 $0.00 1,634,999 D S
03 Mar, 2026 Charles Brandon Smith Common Stock, par value $0.001 D 1,000 $20.86 30,513 D S
04 Mar, 2026 Charles Brandon Smith Common Stock, par value $0.001 D 5,000 $26.00 25,513 D S
27 Feb, 2026 Charles Brandon Smith Common Stock, par value $0.001 D 7,500 $15.00 31,513 D S
27 Feb, 2026 Charles Brandon Smith Common Stock, par value $0.001 D 1,000 $19.00 31,513 D S
26 Feb, 2026 Robert L Winspear Common Stock, par value $0.001 D 17,000 $15.09 126,250 I S
26 Feb, 2026 Robert L Winspear Common Stock, par value $0.001 A 17,000 $15.09 126,250 I S
18 Feb, 2026 Dalya Sulaiman Common Stock, par value $0.001 A 2,868 $10.46 39,396 D A
22 Jan, 2026 Grant Evans Common Stock, par value $0.001 A 3,455 $0.00 23,724 D M
22 Jan, 2026 Grant Evans Common Stock Options D 5,000 $0.00 0 D M
23 Oct, 2025 Charles Brandon Smith Common Stock, par value $0.001 D 9,167 $9.08 27,513 D S
21 Oct, 2025 Charles Keller Reid Common Stock, par value $0.001 D 5,000 $9.24 16,298 D S
16 Oct, 2025 Robert L Winspear Common Stock, par value $0.001 A 50,000 $10.69 118,250 I A
24 Jun, 2025 Gust Kepler Common Stock, par value $0.001 D 1,800 $0.00 596,218 D G
11 Feb, 2025 Robert L Winspear Common Stock, par value $0.001 A 25,000 $0.00 68,250 D A
11 Feb, 2025 Dalya Sulaiman Common Stock Options A 5,000 $0.00 8,750 D A
11 Feb, 2025 Charles Keller Reid Common Stock, par value $0.001 A 8,671 $0.00 21,298 D A