InsiderEVP & Chief Strategy Officer
David M Rothenstein Insider Trading Activity
Every SEC Form 4 transaction reported by David M Rothenstein, sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Is David M Rothenstein buying or selling?
David M Rothenstein reported 0 open-market buys ($0) and 102 sells ($22.8M) across 102 Form 4 filings at 1 company — a net selling position of $22.8M.
Source: SEC EDGAR Form 4
What stands out
- All 102 of David M Rothenstein's Form 4 filings are for one company, CIENA CORP (CIEN).
- The most recent Form 4 was accepted on Sep 17, 2026 (31 days ago).
- In the last 12 months: no open-market purchases and 11 sales ($9.9M).
- The largest open-market sale in the last 12 months was $1.4M of CIENA CORP (CIEN) on May 19, 2026. SEC ↗
Key Statistics (as of Sep 17, 2026)
Total Form 4 filings
102
SEC EDGAR
Companies
1
Buys (0)
$0
Sells (102)
$22.8M
Insider sentiment
Net sellingNet insider flow of $22.8M in net selling, filed between Jan 18, 2018 – Sep 17, 2026.
Companies David M Rothenstein files for
| # | Company | Form 4 filings |
|---|---|---|
| 1 | CIENCIENA CORP | 102 |
Recent David M Rothenstein transactions
| Date | Ticker | Role | Type | Shares | Value | Filing |
|---|---|---|---|---|---|---|
| Sep 17, 2026 | CIEN | EVP & Chief Strategy Officer | Sale | 2.5K | $826.2K | SEC ↗ |
| Aug 18, 2026 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $1.1M | SEC ↗ |
| Jul 17, 2026 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $1.1M | SEC ↗ |
| Jun 17, 2026 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $1.1M | SEC ↗ |
| May 19, 2026 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $1.4M | SEC ↗ |
| Apr 17, 2026 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $1.2M | SEC ↗ |
| Mar 18, 2026 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $862.5K | SEC ↗ |
| Feb 19, 2026 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $750.5K | SEC ↗ |
| Jan 13, 2026 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $548.2K | SEC ↗ |
| Dec 16, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $552.1K | SEC ↗ |
| Nov 18, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $479.3K | SEC ↗ |
| Oct 17, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $425.5K | SEC ↗ |
| Sep 17, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $330.0K | SEC ↗ |
| Aug 19, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $226.5K | SEC ↗ |
| Jul 17, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $205.5K | SEC ↗ |
| Jun 18, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $185.3K | SEC ↗ |
| May 16, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $199.8K | SEC ↗ |
| Apr 17, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $148.7K | SEC ↗ |
| Mar 26, 2025 | CIEN | SVP and Chief Strategy Officer | Sale | 2.5K | $172.2K | SEC ↗ |
| Dec 18, 2024 | CIEN | SVP and Chief Strategy Officer | Sale | 3.5K | $311.8K | SEC ↗ |
| Nov 19, 2024 | CIEN | SVP and Chief Strategy Officer | Sale | 3.5K | $241.5K | SEC ↗ |
| Oct 16, 2024 | CIEN | SVP and Chief Strategy Officer | Sale | 3.5K | $236.0K | SEC ↗ |
| Sep 18, 2024 | CIEN | SVP and Chief Strategy Officer | Sale | 3.5K | $196.8K | SEC ↗ |
| Aug 16, 2024 | CIEN | SVP and Chief Strategy Officer | Sale | 3.5K | $183.5K | SEC ↗ |
| Jul 17, 2024 | CIEN | SVP and Chief Strategy Officer | Sale | 3.5K | $170.8K | SEC ↗ |
Showing the 25 most recent filings of 102. Screen every filing.
David M Rothenstein insider trading FAQ
Is David M Rothenstein buying or selling?
Across 102 SEC Form 4 filings, David M Rothenstein reported 0 open-market purchases totaling $0 and 102 sales totaling $22.8M — a net selling position of $22.8M.
Which companies does David M Rothenstein file Form 4s for?
David M Rothenstein has reported insider transactions at 1 company, most often CIENA CORP (CIEN).
How far back does David M Rothenstein's filing history go?
Trabud holds David M Rothenstein's SEC Form 4 filings from Jan 18, 2018 – Sep 17, 2026, sourced directly from SEC EDGAR.
Where does Trabud get David M Rothenstein's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
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