Bruce Claflin

Track

Insider profile

Currently holds positions in Ciena Corp and IDEXX Laboratories Inc

Performance

Overall performance
2.7
Performance over holding periods
2.7
30 days 90 days 120 days
Average return 1% 8.2% 15.1%
Success rate 72% 68% 82%
Transactions
8 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Independent Director Ciena Corp Aug. 31, 2006 -
Independent Director IDEXX Laboratories Inc July 14, 2015 -
Independent Director Advanced Micro Devices Inc May 12, 2016 - May 1, 2017
Independent Chairman of the Board Advanced Micro Devices Inc Aug. 25, 2011 - May 12, 2016
Bruce Claflin's trades of Ciena Corp's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-09-26 2025-09-24
US Ciena Corp (CIEN)
S Sale
71,013 -33.6%
44.89
US$4,645,551 		71,013 -33.6% 44.89 US$4,645,551
2025-09-24 2025-09-24
US Ciena Corp (CIEN)
PrS Proposed sale
56,704
469.27
US$1,484,773 		56,704 469.27 US$1,484,773
2025-01-08 2025-01-06
US Ciena Corp (CIEN)
S Sale
28,726 +44.5%
167.18
US$48,948 		28,726 +44.5% 167.18 US$48,948
2025-01-06 2025-01-06
US Ciena Corp (CIEN)
PrS Proposed sale
16,912
84.96
US$1,436,851 		16,912 84.96 US$1,436,851
2024-05-20 2024-05-17
S Sale
200 -55.4%
540.80
US$108,160 		200 -55.4% 540.80 US$108,160
2024-05-20 2024-05-17
S Sale
200 -55.4%
540.80
US$108,160 		200 -55.4% 540.80 US$108,160
2024-05-17 2024-05-17
PrS Proposed sale
200
540.80
US$108,160 		200 540.80 US$108,160
2021-02-18 2021-02-16
S Sale
586 -100.0%
537.19
US$314,795 		586 -100.0% 537.19 US$314,795
2021-02-18 2021-02-16
S Sale
6,745 -92.0%
536.89
US$3,621,293 		6,745 -92.0% 536.89 US$3,621,293
2020-08-18 2020-08-18
S Sale
5,629 -94.9%
385.11
US$2,167,803 		5,629 -94.9% 385.11 US$2,167,803
2020-08-18 2020-08-14
S Sale
1,111 -78.5%
378.08
US$420,047 		1,111 -78.5% 378.08 US$420,047
2020-07-09 2020-07-08
US Ciena Corp (CIEN)
PlS Planned sale
18,600 -20.8%
56.22
US$1,045,735 		18,600 -20.8% 56.22 US$1,045,735
2016-02-24 2016-02-22
US Ciena Corp (CIEN)
PlS Planned sale
800 -1.3%
20.00
US$16,000 		800 -1.3% 20.00 US$16,000