LAM RESEARCH CORP

CUSIP: 512807108 Class: COM

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

Note: Option positions (PUT/CALL) are excluded.

Q3 2017
Shares 4,000 Value ($000) $740 Avg Close — Range —
Q4 2015
Shares 4,000 Value ($000) $318 Avg Close — Range —
Q2 2014
Shares 13,000 Value ($000) $879 Avg Close — Range —
Q4 2013
Shares 5,000 Value ($000) $272 Avg Close — Range —