The information in this prospectus is not complete and may be changed. The selling
stockholders may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This prospectus is not an offer to sell these securities and it is not soliciting an offer to buy these
securities in any state where the offer or sale is not permitted.
SUBJECT TO COMPLETION DATED JULY 31, 2017
9,497,051 SHARES OF COMMON STOCK
This prospectus relates to an aggregate of up to 9,497,051 shares of common stock, par value $0.01 per share, of Basic Energy Services, Inc.
(Basic) that may be resold from time to time by the selling stockholders named on page 5 of this prospectus for their own account. We will not receive any proceeds from the sale of shares offered by the selling stockholders. See
Selling Stockholders and Plan of Distribution.
The selling stockholders may sell the shares directly to
purchasers or through underwriters, broker-dealers or agents, who may receive compensation in the form of commissions, discounts or concessions. The selling stockholders may sell the shares at any time at market prices prevailing at the time of
sale, at prices related to such market prices, at fixed prices or prices subject to change or at privately negotiated prices. This prospectus describes the general matter in which the shares may be offered and sold by the selling stockholders. If
necessary, the specific manner in which the shares may be offered and sold will be described in a supplement to this prospectus. You should carefully read this prospectus, any applicable prospectus supplement and any information under the headings
Where You Can Find More Information and Incorporation by Reference before you purchase any of our shares of common stock.
Our common stock is listed on the New York Stock Exchange under the symbol BAS. On July 28, 2017, the last reported sale price of
our common stock was $23.82 per share.
Investing in our securities involves risks. You should carefully consider the Risk Factors beginning on page
2 of this prospectus, as well as the documents we file with the Securities and Exchange Commission that are incorporated by reference herein.
Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or
determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.
The date of
this prospectus is , 2017