Bruce L. Claflin
CIK: 0001403694
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (10 total)
- Sep 24, 2026CIEN
CIENA CORP
Sale(S)Indirect2.9K shares at avg. $355.91$1.0M - May 12, 2026IDXX
IDEXX LABORATORIES INC /DE
Award(A)DirectDeferred Stock Unit
234 shares- - May 12, 2026IDXX
IDEXX LABORATORIES INC /DE
Award(A)DirectNon-Qualified Stock Option (right-to-buy)
525 shares- - Mar 26, 2026CIEN
CIENA CORP
Award(A)Direct605 shares- - Sep 24, 2025CIEN
CIENA CORP
Sale(S)Direct8.5K shares at avg. $140.12$1.2M - Sep 24, 2025CIEN
CIENA CORP
Gift(G)Direct4.4K shares- - May 7, 2025IDXX
IDEXX LABORATORIES INC /DE
Award(A)DirectNon-Qualified Stock Option (right-to-buy)
600 shares- - May 7, 2025IDXX
IDEXX LABORATORIES INC /DE
Award(A)DirectDeferred Stock Unit
257 shares- - Mar 27, 2025CIEN
CIENA CORP
Award(A)Direct3.7K shares- - Jan 6, 2025CIEN
CIENA CORP
Sale(S)Direct16.9K shares at avg. $84.96$1.4M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 24, 2026 |  CIEN CIENA CORP | Sale(S) | 2,857 | $355.91 | $1,016,835 | Indirect |
| May 12, 2026 |  IDXX IDEXX LABORATORIES INC /DE | Award(A) Deferred Stock Unit | 234 | - | - | Direct |
| May 12, 2026 | IDXX IDEXX LABORATORIES INC /DE | Award(A) Non-Qualified Stock Option (right-to-buy) | 525 | - | - | Direct |
| Mar 26, 2026 | CIEN CIENA CORP | Award(A) | 605 | - | $0 | Direct |
| Sep 24, 2025 | CIEN CIENA CORP | Sale(S) | 8,461 | $140.12 | $1,185,555 | Direct |
| Sep 24, 2025 | CIEN CIENA CORP | Gift(G) | 4,386 | - | - | Direct |
| May 7, 2025 | IDXX IDEXX LABORATORIES INC /DE | Award(A) Non-Qualified Stock Option (right-to-buy) | 600 | - | - | Direct |
| May 7, 2025 | IDXX IDEXX LABORATORIES INC /DE | Award(A) Deferred Stock Unit | 257 | - | - | Direct |
| Mar 27, 2025 | CIEN CIENA CORP | Award(A) | 3,738 | - | - | Direct |
| Jan 6, 2025 | CIEN CIENA CORP | Sale(S) | 16,912 | $84.96 | $1,436,852 | Direct |
1-10 of 10 transactions
About Claflin Bruce L.
Claflin Bruce L. (SEC CIK 0001403694) files insider reports with the SEC as Director of CIENA CORP (CIEN) and Director of IDEXX LABORATORIES INC /DE (IDXX).
Signal8 holds 7 ownership filings by Claflin Bruce L., all Form 4s, filed between Jan 8, 2025 and Sep 28, 2026. Those filings report 10 transactions, from Jan 6, 2025 to Sep 24, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Claflin Bruce L.'s filings is in FULTON, MD.
Recent filings by Claflin Bruce L.
- Sep 24, 2026: Open-market sale of CIEN shares (Form 4, code S).
- May 12, 2026: Grants or awards of IDXX derivative securities (2 lines, Form 4, code A).
- Mar 26, 2026: Grant or award of CIEN shares (Form 4, code A).
- Sep 24, 2025: Open-market sale of CIEN shares (Form 4, code S).
- Sep 24, 2025: Gift of CIEN shares (Form 4, code G).
Other insiders filing for CIENA CORP (CIEN)
- Gage Brodie, EVP & Chief Product & Tech
- DiPerna Dino, EVP & Chief R&D Officer
- SMITH GARY B, President & CEO
- Rothenstein David M, EVP & Chief Strategy Officer
- Graff Marc D., EVP & Chief Financial Officer
- Kosaraju Sheela, EVP & Chief Legal Officer