Rothenstein David M
Rothenstein David M is a corporate insider at CIENA CORP (CIEN) filing SEC Form 4 transactions. 576 transactions, totaling $0 in purchases and $20,378,487 in sales. Source: SEC EDGAR.
A fixed 2,500-share sale roughly every month drives David M. Rothenstein's current selling at Ciena Corp — the latest chapter of a record that totals 576 transactions since 2008, all sales, with 709,802 shares sold and zero bought. The prices attached to those sales trace an extraordinary run: $219.28 on January 9, 2026, climbing to $300.20 by February 17, $467.65 by April 15, and a peak of $562.39 by May 15 — a 156% increase in four months. From that peak, the stock pulled back to $457.07 by June 15 and $420.91 by July 15, a 25% decline from the high but still up roughly 92% from January. Periodic tax-withholding transactions in December, March, and June — priced at $230.34, $383.89, and $428.22 respectively — corroborate the same trajectory.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
CIENA CORP CIEN | Sale | 2,500 | $420.91 | $1.05M | 182,731 | 7/15/2026 Filed: 7/15/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 220 | $428.22 | $94K | 185,231 | 6/20/2026 Filed: 6/20/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 436 | $428.22 | $187K | 185,451 | 6/20/2026 Filed: 6/20/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 811 | $428.22 | $347K | 185,887 | 6/20/2026 Filed: 6/20/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 204 | $428.22 | $87K | 186,698 | 6/20/2026 Filed: 6/20/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 679 | $428.22 | $291K | 186,902 | 6/20/2026 Filed: 6/20/2026 | Filing → |
CIENA CORP CIEN | Sale | 2,500 | $457.07 | $1.14M | 187,581 | 6/15/2026 Filed: 6/15/2026 | Filing → |
CIENA CORP CIEN | Sale | 2,500 | $562.39 | $1.41M | 190,081 | 5/15/2026 Filed: 5/15/2026 | Filing → |
CIENA CORP CIEN | Sale | 2,500 | $467.65 | $1.17M | 192,581 | 4/15/2026 Filed: 4/15/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 220 | $383.89 | $84K | 195,081 | 3/20/2026 Filed: 3/20/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 436 | $383.89 | $167K | 195,301 | 3/20/2026 Filed: 3/20/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 811 | $383.89 | $311K | 195,737 | 3/20/2026 Filed: 3/20/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 174 | $383.89 | $67K | 196,548 | 3/20/2026 Filed: 3/20/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 472 | $383.89 | $181K | 196,722 | 3/20/2026 Filed: 3/20/2026 | Filing → |
CIENA CORP CIEN | Sale | 2,500 | $300.20 | $750K | 199,694 | 2/17/2026 Filed: 2/17/2026 | Filing → |
CIENA CORP CIEN | Sale | 2,500 | $219.28 | $548K | 202,194 | 1/9/2026 Filed: 1/9/2026 | Filing → |
CIENA CORP CIEN | Tax Payment | 1,557 | $230.34 | $359K | 204,694 | 12/20/2025 Filed: 12/23/2025 | Filing → |
CIENA CORP CIEN | Tax Payment | 2,091 | $230.34 | $482K | 206,251 | 12/20/2025 Filed: 12/23/2025 | Filing → |
CIENA CORP CIEN | Tax Payment | 1,819 | $230.34 | $419K | 208,342 | 12/20/2025 Filed: 12/23/2025 | Filing → |
CIENA CORP CIEN | Tax Payment | 8,682 | $230.34 | $2.00M | 210,161 | 12/20/2025 Filed: 12/23/2025 | Filing → |
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