X0306 4 2017-12-15 0001358762 REATA PHARMACEUTICALS INC RETA 0001372218 CPMG Inc 2000 MCKINNEY AVE., STE 2125 DALLAS TX 75201 true true Class A common stock 2017-12-13 4 P 0 19982 24.8838 A 462542 I By Gallopavo, LP Class A common stock 2017-12-13 4 P 0 49 23.9767 A 462591 I By Gallopavo, LP Class A common stock 2017-12-14 4 P 0 14866 24.6528 A 477457 I By Gallopavo, LP Class A common stock 2017-12-13 4 P 0 31471 24.8838 A 728503 I By Roadrunner Fund, LP Class A common stock 2017-12-13 4 P 0 78 23.9767 A 728581 I By Roadrunner Fund, LP Class A common stock 2017-12-14 4 P 0 19672 24.6528 A 748253 I By Roadrunner Fund, LP Class A common stock 2017-12-13 4 P 0 9990 24.8838 A 96915 I By Blackwell Partners LLC Class A common stock 2017-12-13 4 P 0 25 23.9767 A 96940 I By Blackwell Partners LLC Class A common stock 2017-12-14 4 P 0 6245 24.6528 A 103185 I By Blackwell Partners LLC Class A common stock 2017-12-13 4 P 0 59982 24.8838 A 393515 I By Yellow Warbler, LP Class A common stock 2017-12-13 4 P 0 148 23.9767 A 393663 I By Yellow Warbler, LP Class A common stock 2017-12-14 4 P 0 37492 24.6528 A 431155 I By Yellow Warbler, LP Class A common stock 110640 I By Killdeer Fund, LP Class A common stock 109415 I By Mallard Fund, LP Class A common stock 280500 I By Willet Fund, LP Class A common stock 37909 I By Crested Crane, LP Class A common stock 63481 I By Flamingo Fund, LP Class A common stock 334740 I By Sandpiper Fund, LP Class A common stock 160265 I By Kestrel Fund, LP Class A common stock 11076 I By CD Fund, LP Class A common stock 134 I By Redbird Life Sciences Partners, LP Class A common stock 113 D Class B Common Stock Class A Common Stock 150186 150186 I By Mallard Fund, LP Class B Common Stock Class A Common Stock 307776 307776 I By Kestrel Fund, LP Class B Common Stock Class A Common Stock 123379 123379 I By CD Fund, LP Class B Common Stock Class A Common Stock 1490 1490 I By Redbird Life Sciences Partners, LP Class B Common Stock Class A Common Stock 1251 1251 D This price reflects the weighted average purchase price for open-market purchases on December 13, 2017, within a $1.00 range. The actual prices for these transactions range from $24.08 to $25.08 inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares purchased at each separate price within the ranges set forth in footnotes (1), (2) and (3) to this Form 4. This price reflects the weighted average purchase price for open-market purchases on December 13, 2017, within a $1.00 range. The actual prices for these transactions range from $23.97 to $23.99 inclusive. This price reflects the weighted average purchase price for open-market purchases on December 14, 2017, within a $1.00 range. The actual prices for these transactions range from $24.40 to $24.92, inclusive. These shares of Class B common stock are convertible into Class A common stock on a one-for-one basis at the holder's election at any time for no additional consideration, and have no expiration date. The Reporting Person is the investment manager of each of: Killdeer Fund, LP; Blackwell Partners LLC; Crested Crane, LP; Flamingo Fund, LP; Gallopavo, LP; Roadrunner Fund, LP; Sandpiper Fund, LP; Mallard Fund, LP; Yellow Warbler, LP; Kestrel Fund, LP; Willet Fund, LP; CD Fund, LP; and Redbird Life Sciences Partners, LP. The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. Mr. McGaughy, Jr., a co-director and co-shareholder of the Reporting Person, serves on the Issuer's Board of Directors (the "Board") as a representative of the Reporting Person. By virtue of his representation on the Board, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the Reporting Person is deemed to be a director by deputization. /s/ John Bateman, Chief Operating Officer of CPMG, Inc. 2017-12-15