Sidney Craig Tompkins
CIK 1740487 · View on SEC EDGAR ↗
Insider
First SEC filing: June 1, 2023 · Latest: June 1, 2023
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 18 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 6, 2024 | RDIB | A | 127,869 | — | — | 127,869 Direct | — | Acquired | (price as of 2026-08-21) |
| April 18, 2024 | RDIB | M | 8,768 | — | — | 17,536 Direct | -33.33% | Disposed | (price as of 2026-08-21) |
| April 18, 2024 | RDIB | M | 8,768 | — | — | 71,770 Direct | +13.92% | Acquired | (price as of 2026-08-21) |
| April 11, 2024 | RDIB | M | 24,921 | — | — | 33,750 Direct | -42.48% | Disposed | (price as of 2026-08-21) |
| April 11, 2024 | RDIB | M | 24,921 | — | — | 63,002 Direct | +65.44% | Acquired | (price as of 2026-08-21) |
| April 5, 2024 | RDIB | M | 10,825 | — | — | 5,677 Direct | -65.60% | Disposed | (price as of 2026-08-21) |
| April 5, 2024 | RDIB | M | 10,825 | — | — | 38,081 Direct | +39.72% | Acquired | (price as of 2026-08-21) |
| March 11, 2024 | RDIB | M | 4,783 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| March 11, 2024 | RDIB | M | 4,783 | — | — | 27,256 Direct | +21.28% | Acquired | (price as of 2026-08-21) |
| April 18, 2023 | RDIB | A | 585 | — | — | 585 Direct | — | Acquired | (price as of 2026-08-21) |
| April 18, 2023 | RDIB | M | 8,768 | — | — | 26,304 Direct | -25.00% | Disposed | (price as of 2026-08-21) |
| April 18, 2023 | RDIB | F | 4,165 | — | — | 22,473 Direct | -15.64% | Disposed | (price as of 2026-08-21) |
| April 18, 2023 | RDIB | M | 8,768 | — | — | 26,638 Direct | +49.07% | Acquired | (price as of 2026-08-21) |
| April 11, 2023 | RDIB | A | 58,671 | — | — | 58,671 Direct | — | Acquired | (price as of 2026-08-21) |
| April 5, 2023 | RDIB | A | 378 | — | — | 2,902 Direct | +14.98% | Acquired | (price as of 2026-08-21) |
| April 5, 2023 | RDIB | M | 5,678 | — | — | 11,354 Direct | -33.34% | Disposed | (price as of 2026-08-21) |
| April 5, 2023 | RDIB | F | 2,905 | — | — | 17,870 Direct | -13.98% | Disposed | (price as of 2026-08-21) |
| April 5, 2023 | RDIB | M | 5,678 | — | — | 20,775 Direct | +37.61% | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| June 6, 2024 | RDIB | Stock Options (Class A Non Voting Common Stock) | Class A Non Voting Common Stock (127,869) | $1.47 | June 5, 2034 | 127,869 | Acquired |
| April 18, 2024 | RDIB | Restricted Stock Units | Class A Non-Voting Common Stock (8,768) | — | — | 8,768 | Disposed |
| April 11, 2024 | RDIB | Restricted Stock Units | Class A Non-Voting Common Stock (24,921) | — | — | 24,921 | Disposed |
| April 5, 2024 | RDIB | Restricted Stock Units | Class A Non-Voting Common Stock (10,825) | — | — | 10,825 | Disposed |
| March 11, 2024 | RDIB | Restricted Stock Units | Class A Non-Voting Common Stock (4,783) | — | — | 4,783 | Disposed |
| April 18, 2023 | RDIB | Restricted Stock Units (Performance-based) (Class A Non-Voti | Class A Non-Voting Common Stock (585) | — | — | 585 | Acquired |
| April 18, 2023 | RDIB | Restricted Stock Units (Class A Non-Voting Common Stock) | Class A Non-Voting Common Stock (8,768) | — | — | 8,768 | Disposed |
| April 11, 2023 | RDIB | Restricted Stock Units | Class A Non-Voting Common Stock (58,671) | — | — | 58,671 | Acquired |
| April 5, 2023 | RDIB | Restricted Stock Units (Performance-based) (Class A Non-Voti | Class A Non-Voting Common Stock (378) | — | — | 378 | Acquired |
| April 5, 2023 | RDIB | Restricted Stock Units | Class A Non-Voting Common Stock (5,678) | — | — | 5,678 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 1, 2023 | MCHB | Common Stock | 500 | Direct |
| June 1, 2023 | MCHB | Common Stock | 500 | Indirect |
| May 16, 2018 | RDIB | Class A Non-Voting Stock | 55,825 | Indirect |
| May 16, 2018 | RDIB | Class A Non-Voting Stock | 3,288 | Direct |
| May 16, 2018 | RDIB | Restricted Stock Units→ Class A Non-Voting Common Stock (2,817) | 2,817 | Direct |
| May 16, 2018 | RDIB | Stock Option; Right to Buy; Class A Non-Voting Common Stock→ Class A Non-Voting Common Stock (17,341) | 17,341 | Direct |
| May 16, 2018 | RDIB | Restricted Stock Units→ Class A Non-Voting Common Stock (5,545) | 5,545 | Direct |
| May 16, 2018 | RDIB | Stock Option; Right to Buy; Class A Non-Voting Common Stock→ Class A Non-Voting Common Stock (19,921) | 19,921 | Direct |
| May 16, 2018 | RDIB | Restricted Stock Units→ Class A Non-Voting Common Stock (3,649) | 3,649 | Direct |
| May 16, 2018 | RDIB | Stock Option; Right to Buy; Class A Non-Voting Common Stock→ Class A Non-Voting Common Stock (15,748) | 15,748 | Direct |