Thomas Bull
CIK 1719887 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 18, 2017 · Latest: Oct. 18, 2017
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 10 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
10 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 2, 2018 | MDB | S | 66 | $49.40 | $3,260 | 7,934 Direct | -0.83% | Disposed | 747.2% (price as of 2026-08-21) |
| July 2, 2018 | MDB | S 10b5-1 | 3,330 | $50.01 | $166,533 | 8,000 Direct | -29.39% | Disposed | 736.9% (price as of 2026-08-21) |
| July 2, 2018 | MDB | S 10b5-1 | 5,670 | $49.13 | $278,567 | 11,330 Direct | -33.35% | Disposed | 751.8% (price as of 2026-08-21) |
| June 20, 2018 | MDB | S 10b5-1 | 8,000 | $58.80 | $470,400 | 8,000 Direct | -50.00% | Disposed | 611.8% (price as of 2026-08-21) |
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.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 2, 2018 | MDB | Class B Common Stock | Class A Common Stock (9,000) | — | — | 9,000 | Disposed |
| July 2, 2018 | MDB | Class B Common Stock | Class A Common Stock (1,635) | — | — | 1,635 | Acquired |
| July 2, 2018 | MDB | Employee Stock Option (Right to Buy) | Class B Common Stock (1,635) | $6.50 | Oct. 7, 2025 | 1,635 | Disposed |
| July 2, 2018 | MDB | Class B Common Stock | Class A Common Stock (7,365) | — | — | 7,365 | Acquired |
| July 2, 2018 | MDB | Employee Stock Option (Right to Buy) | Class B Common Stock (7,365) | $6.50 | Sept. 11, 2023 | 7,365 | Disposed |
| June 20, 2018 | MDB | Class B Common Stock | Class A Common Stock (8,000) | — | — | 8,000 | Disposed |
| June 20, 2018 | MDB | Class B Common Stock | Class A Common Stock (8,000) | — | — | 8,000 | Acquired |
| June 20, 2018 | MDB | Employee Stock Option (Right to Buy) | Class B Common Stock (8,000) | $6.50 | Oct. 7, 2025 | 8,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 18, 2017 | MDB | Employee Stock Option (Right to Buy)→ Class B Common Stock (41,250) | 41,250 | Direct |
| Oct. 18, 2017 | MDB | Employee Stock Option (Right to Buy)→ Class B Common Stock (12,500) | 12,500 | Direct |
| Oct. 18, 2017 | MDB | Employee Stock Option (Right to Buy)→ Class A Common Stock (12,500) | 12,500 | Direct |