Bruce Claflin

Track

Insider profile

Currently holds positions in Ciena Corporation and IDEXX Laboratories, Inc.

Performance

Overall performance
2.7
Performance over holding periods
2.7
30 days 90 days 120 days
Average return 2% 8.2% 15.1%
Success rate 75% 68% 82%
Transactions
9 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Independent Director Ciena Corporation 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 Corporation'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
Transaction date
Sale
Price
412.40
Quantity 85,727 +3.0%
Value US$902,754
Transaction date
Sale
Price
44.89
Quantity 71,013 -33.6%
Value US$4,645,551
Transaction date
Proposed sale
Price
469.27
Quantity 56,704
Value US$1,484,773
Transaction date
Sale
Price
84.96
Quantity 16,912 -22.2%
Value US$1,436,852
Transaction date
Proposed sale
Price
84.96
Quantity 16,912
Value US$1,436,851
Transaction date
Sale
Price
540.80
Quantity 200 -55.4%
Value US$108,160
Transaction date
Sale
Price
540.80
Quantity 200 -55.4%
Value US$108,160
Transaction date
Proposed sale
Price
540.80
Quantity 200
Value US$108,160
Transaction date
Sale
Price
378.08
Quantity 1,111 -78.5%
Value US$420,047
Transaction date
Planned sale
Price
56.22
Quantity 18,600 -20.8%
Value US$1,045,735
Transaction date
Planned sale
Price
20.00
Quantity 800 -1.3%
Value US$16,000
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-28 2026-09-24
S Sale
85,727 +3.0%
412.40
US$902,754 		85,727 +3.0% 412.40 US$902,754
2025-09-26 2025-09-24
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
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
S Sale
16,912 -22.2%
84.96
US$1,436,852 		16,912 -22.2% 84.96 US$1,436,852
2025-01-06 2025-01-06
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
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
PlS Planned sale
800 -1.3%
20.00
US$16,000 		800 -1.3% 20.00 US$16,000