VISTRA CORP

Ticker: VST CUSIP: 92840M102 Class: EQTY

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q4 2018

Shares 14,366 Value ($000) $329 Avg Close $20.17 Range $17.82 - $22.49

Q3 2018

Shares 64,095 Value ($000) $1,595 Avg Close $19.68 Range $18.69 - $21.57

Q2 2018

Shares 56,786 Value ($000) $1,344 Avg Close $19.66 Range $16.76 - $21.22

Q1 2018

Shares 47,314 Value ($000) $986 Avg Close $16.53 Range $14.81 - $18.34

Q4 2017

Shares 44,819 Value ($000) $821 Avg Close $16.03 Range $14.63 - $18.13

Q3 2017

Shares 68,566 Value ($000) $1,281 Avg Close $14.74 Range $13.51 - $16.22

Q2 2017

Shares 315,103 Value ($000) $5,291 Avg Close $13.44 Range $12.40 - $14.46

Q1 2017

Shares 353,354 Value ($000) $5,760 Avg Close $14.07 Range $12.96 - $15.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	14,366	$329	$20.17	$17.82 - $22.49
Q3 2018	64,095	$1,595	$19.68	$18.69 - $21.57
Q2 2018	56,786	$1,344	$19.66	$16.76 - $21.22
Q1 2018	47,314	$986	$16.53	$14.81 - $18.34
Q4 2017	44,819	$821	$16.03	$14.63 - $18.13
Q3 2017	68,566	$1,281	$14.74	$13.51 - $16.22
Q2 2017	315,103	$5,291	$13.44	$12.40 - $14.46
Q1 2017	353,354	$5,760	$14.07	$12.96 - $15.35