David A Walsh
CIK 1338926 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 6, 2017 · Latest: Nov. 6, 2017
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 2 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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 15, 2018 | RBBN | F | 42,088 | $6.12 | $257,579 | 358,671 Direct | -10.50% | Disposed | -67.1% (price as of 2026-08-19) |
| Nov. 15, 2017 | RBBN | A | 257,835 | — | — | 400,759 Direct | +180.40% | Acquired | (price as of 2026-08-19) |
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) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 6, 2017 | RBBN | Common Stock | 142,924 | Direct |