Mariano De Beer
CIK 1815380 · View on SEC EDGAR ↗
Insider
First SEC filing: June 17, 2022 · Latest: June 17, 2022
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 11 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 15, 2023 | RBBN | M | 38,585 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| June 15, 2023 | RBBN | F | 11,575 | $2.92 | $33,799 | 56,331 Direct | -17.05% | Disposed | -32.0% (price as of 2026-08-21) |
| June 15, 2023 | RBBN | M | 38,585 | — | — | 67,906 Direct | +131.60% | Acquired | (price as of 2026-08-21) |
| June 15, 2022 | RBBN | A | 38,585 | — | — | 38,585 Direct | — | Acquired | (price as of 2026-08-21) |
| June 15, 2022 | RBBN | M | 14,797 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| June 15, 2022 | RBBN | F | 4,439 | $2.65 | $11,763 | 29,321 Direct | -13.15% | Disposed | -25.1% (price as of 2026-08-21) |
| June 15, 2022 | RBBN | M | 14,797 | — | — | 33,760 Direct | +78.03% | Acquired | (price as of 2026-08-21) |
| June 22, 2021 | RBBN | M | 27,089 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| June 22, 2021 | RBBN | F | 8,126 | $7.55 | $61,351 | 18,963 Direct | -30.00% | Disposed | -73.7% (price as of 2026-08-21) |
| June 22, 2021 | RBBN | M | 27,089 | — | — | 27,089 Direct | — | Acquired | (price as of 2026-08-21) |
| June 15, 2021 | RBBN | A | 14,797 | — | — | 14,797 Direct | — | 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 15, 2023 | RBBN | Restricted Stock Units (RSUs) | Common Stock (38,585) | — | — | 38,585 | Disposed |
| June 15, 2022 | RBBN | RSU | Common Stock (38,585) | — | — | 38,585 | Acquired |
| June 15, 2022 | RBBN | Restricted Stock Units (RSU) | Common Stock (14,797) | — | — | 14,797 | Disposed |
| June 22, 2021 | RBBN | Restricted Stock Units (RSU) | Common Stock (27,089) | — | — | 27,089 | Disposed |
| June 15, 2021 | RBBN | Restricted Stock Units (RSU) | Common Stock (14,797) | — | — | 14,797 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).