John J. Gebbia
Insider
Activist
First SEC filing: June 2, 2020 · Latest: Jan. 22, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 2, 2026 | SIEB | G | 10,000 | · | · | 9,794,994 Indirect | -0.10% | Disposed | (price as of 2026-10-05) |
| Aug. 26, 2026 | SIEB | G | 22,500 | · | · | 9,804,994 Indirect | -0.23% | Disposed | (price as of 2026-10-05) |
| March 9, 2026 | SIEB | G | 6,000 | · | · | 9,827,494 Indirect | -0.06% | Disposed | (price as of 2026-10-05) |
| Jan. 20, 2026 | SIEB | G | 140,000 | · | · | 9,833,494 Indirect | -1.40% | Disposed | (price as of 2026-10-05) |
| Nov. 20, 2025 | SIEB | G | 128,000 | · | · | 9,569,714 Indirect | -1.32% | Disposed | (price as of 2026-10-05) |
| June 10, 2025 | SIEB | J | 9,697,714 | · | · | 9,697,714 Indirect | · | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.