CLEARSIGN TECHNOLOGIES CORP

Ticker: CLIR CUSIP: 185064102 Class: COM

SOUTHPORT MANAGEMENT, L.L.C.'s Holding History (CIK: 0001549553)

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

Q2 2021
Shares 50,000 Value ($000) $240,000 Avg Close $4.73 Range $3.81 - $5.98
Q1 2021
Shares 50,000 Value ($000) $284,000 Avg Close $4.38 Range $2.66 - $6.00