Diperna Dino Insider Trading Activity
Diperna Dino has been net-selling over the last 12 months with 0 purchases and 6 sales across 1 company.
CIEN is the most-traded position with 6 trades. The largest single transaction was a sale of CIEN for $711K on Apr 15, 2026.
Performance Scorecard
Forward stock performance after each transaction by Diperna Dino. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -14.8% | 0% | 6 |
| 90 days | — | -47.7% | 33% | 6 |
| 120 days | — | -111.5% | 0% | 4 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersCIEN · CIENA CORP
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Jul 15, 2026 | CIEN | Sell | 391 | $449.15 | $176K | −1.0% | VP | |
Apr 15, 2026 | CIEN | Sell | 1,507 | $471.79 | $711K | −3.4% | VP | |
Apr 15, 2026 | CIEN | Sell | 1,322 | $471.79 | $624K | −2.9% | VP | |
Jan 15, 2026 | CIEN | Sell | 2,527 | $246.23 | $622K | −4.8% | VP | |
Nov 17, 2025 | CIEN | Sell | 1,241 | $190.80 | $237K | −3.1% | VP | |
Oct 15, 2025 | CIEN | Sell | 367 | $169.36 | $62K | −0.9% | VP | |
Jul 15, 2025 | CIEN | Sell | 367 | $82.57 | $30K | −0.8% | VP |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| CIEN | CIENA CORP | 7 | $2.5M |
Other insiders at CIENA CORP
6 other tracked filers at CIEN.