Who
Bruce L. Claflin
Director
Company insider
Files Form 4 as: Director, Ciena; Director, IDEXX Laboratories; Director, Advanced Micro Devices.
In numbers
- Trades disclosed
- 164
- Buys
- 2
- Sells
- 41
- Bought
- $280K
- Sold
- $14.1M
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 26 Mar 2008
- Last trade
- 24 Sep 2026
- Last filed
- 28 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 24 Sep 2026filed 28 Sep 2026 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Sold | $1.0M2,857 at $355.91 | filing |
| 24 Sep 2026filed 28 Sep 2026 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Sold | $1.0M2,857 at $355.91 | filing |
| 12 May 2026filed 14 May 2026 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —525 at $0.00 | filing |
| 12 May 2026filed 14 May 2026 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —234 at $0.00 | filing |
| 12 May 2026filed 14 May 2026 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —525 at $0.00 | filing |
| 12 May 2026filed 14 May 2026 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —234 at $0.00 | filing |
| 26 Mar 2026filed 30 Mar 2026 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code A | —605 at $0.00 | filing |
| 26 Mar 2026filed 30 Mar 2026 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code A | —605 at $0.00 | filing |
| 24 Sep 2025filed 26 Sep 2025 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Sold | $1.2M8,461 at $140.12 | filing |
| 24 Sep 2025filed 26 Sep 2025 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code G | —4,386 | filing |
| 7 May 2025filed 8 May 2025 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —600 at $0.00 | filing |
| 7 May 2025filed 8 May 2025 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —257 at $0.00 | filing |
| 27 Mar 2025filed 31 Mar 2025 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code A | —3,738 at $0.00 | filing |
| 6 Jan 2025filed 8 Jan 2025 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Sold | $1.4M16,912 at $84.96 | filing |
| 17 May 2024filed 20 May 2024 | IDXX IDEXX LaboratoriesDiagnostics & Labs | SEC FORM 4 Sold | $108K200 at $540.80 | filing |
| 6 May 2024filed 8 May 2024 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —609 at $0.00 | filing |
| 6 May 2024filed 8 May 2024 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —262 at $0.00 | filing |
| 21 Mar 2024filed 25 Mar 2024 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code A | —4,438 at $0.00 | filing |
| 17 May 2023filed 19 May 2023 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —645 at $0.00 | filing |
| 17 May 2023filed 19 May 2023 | IDXX IDEXX Laboratoriesoption or derivative · Diagnostics & Labs | SEC FORM 4 Code A | —257 | filing |
News
Evercore Says Ciena Could Be Worth $550+. Here's the MathCIEN · insidermonkey.com · 19 Oct 2026Insider Selling: Ciena (NYSE:CIEN) CEO Sells $1,091,236.32 in StockCIEN · tickerreport.com · 16 Oct 2026Jim Cramer Likes Ciena (CIEN) but Another Optical Stock Holds His AttentionCIEN · insidermonkey.com · 9 Oct 2026
0 headlines in the last 90 days name Bruce L. Claflin; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.