Keith Valentine

Track

Insider profile

Currently holds positions in SI-BONE, Inc. and SeaSpine Holdings Corp

Performance

Overall performance
3.8
Performance over holding periods
3.8
30 days 90 days 120 days
Average return 7% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
4 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Independent Director SI-BONE, Inc. Aug. 1, 2015 -
President, Chief Executive Officer, Director SeaSpine Holdings Corp Jan. 1, 2016 -
President, Chief Executive Officer SeaSpine Holdings Corp July 1, 2015 - Jan. 1, 2016
President, Chief Operating Officer NuVasive Inc Jan. 1, 2007 - Feb. 1, 2015
Keith Valentine's trades of Alphatec Holdings, Inc.'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
Purchase
Price
467.18
Quantity 92,827 -21.0%
Value US$1,130,068
Transaction date
Proposed sale
Price
13.89
Quantity 66,665
Value US$925,975
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-11 2026-05-11
B Purchase
92,827 -21.0%
467.18
US$1,130,068 		92,827 -21.0% 467.18 US$1,130,068
2026-05-11 2026-05-08
B Purchase
97,518 +21.3%
46.10
US$4,048,464 		97,518 +21.3% 46.10 US$4,048,464
2026-05-11 2026-05-07
B Purchase
21,782 -34.1%
425.39
US$4,400,084 		21,782 -34.1% 425.39 US$4,400,084
2024-08-05 2024-08-02
B Purchase
39,000 +90.4%
6.55
US$255,450 		39,000 +90.4% 6.55 US$255,450
2023-12-21 2023-12-18
PrS Proposed sale
66,665
13.89
US$925,975 		66,665 13.89 US$925,975