FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

du Pont Lammot J 		2. Issuer Name and Ticker or Trading Symbol

DUPONT FABROS TECHNOLOGY, INC. [ DFT ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chairman of the Board
(Last)          (First)          (Middle)

401 9TH STREET, NW, SUITE 600 		3. Date of Earliest Transaction (MM/DD/YYYY)

7/28/2017
(Street)

WASHINGTON, DC 20004
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   7/28/2017     A    96185   A $5.06   215673   D    
Common Stock   7/28/2017     S    96185   D $61.0468   (1) 119488   D    
Common Stock   7/31/2017     A    135297   A $5.06   254785   D    
Common Stock   7/31/2017     A    55556   A $19.89   310341   D    
Common Stock   7/31/2017     A    9147   A $23.79   319488   D    
Common Stock   7/31/2017     S    200000   D $61.685   (2) 119489   (3) D    
Common Stock                  33972   I   By Corporation  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-qualified Stock Option   $5.06   7/28/2017     M         96185      (4) 2/26/2019   Common Stock   96185.0   $0   135297   D    
Non-qualified Stock Option   $5.06   7/31/2017     M         135297      (4) 2/26/2019   Common Stock   135297.0   $0   0   D    
Non-qualified Stock Option   $19.89   7/31/2017     M         55556      (5) 2/25/2020   Common Stock   55556.0   $0   0   D    
Non-qualified Stock   $23.79   7/31/2017     M         9147      (6) 2/24/2021   Common Stock   9147.0   $0   146680   D    
OP Units     (7) 7/28/2017     J   (8)       91300      (9)   (9) Common Stock   91300.0     (8) (9) (10) 1501119   I   By LLC  
OP Units     (7)                    (9)   (9) Common Stock   204095.0     204095   I   By Corporation  
OP Units     (7)                    (9)   (9) Common Stock   289025.0     289025   I   By LP  
OP Units     (7)                    (9)   (9) Common Stock   1250109.0     1250109   D    

Explanation of Responses:
(1)  Represents the weighted average per share sale price, with per share sale price ranging from $61.00 to $61.65. Upon request by the Commission, the reporting person will provide full information regarding the number of shares sold at each separate price.
(2)  Represents the weighted average per share sale price, with per share sale price ranging from $61.37 to $62.235. Upon request by the Commission, the reporting person will provide full information regarding the number of shares sold at each separate price.
(3)  Added 1 share of stock to correct an error.
(4)  Stock option vests one third on each of March 1, 2010, 2011, and 2012
(5)  Stock option vests one third on each of March 1, 2011, 2012, and 2013.
(6)  Stock option vests one third on each of March 1, 2012, 2013, and 2014.
(7)  "OP Units" represent limited partner interests of DuPont Fabros Technology, L.P., a Maryland limited partnership (the "OP"), the operating partnership of DuPont Fabros Technology, Inc. (the "Issuer"), of which the Issuer is the sole general partner. OP Units are redeemable twelve (12) months from the transaction date pursuant to which the OP units were issued for cash equal to the ten-current market value of one share of the Issuer's common stock, or, at the election of the Issuers, and equal number of shares of the Issuer's common stock.
(8)  These OP Units were transferred by an entity controlled by Mr. du Pont to a grantor trust for cash of equal value. The aggregate value was $5,605,820.00, determined by the reference to the mid point of the reported high and low price of the Issuer's common stock on the NYSE on July, 28, 2017, which was $61.40.
(9)  All of these OP Units are immediately redeemable (subject to certain limitations set forth in agreement of limited partnership of the OP). OP Units have no expiration date.
(10)  The OP Unites were originally received in exchange for direct or indirect contribution to the OP of certain partnership, membership, or ownership interests in, of property of, certain partnerships or limited liability companies which own, directly or indirectly, certain properties in Illinois, New Jersey, Virginia, and/or the District of Columbia, in connection with the Issuer's initial public offering, the value which was $21.00 per OP Unit based on the price of common stock of the Issuer at the time of the Issuer's public offering.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
du Pont Lammot J
401 9TH STREET, NW
SUITE 600
WASHINGTON, DC 20004 		X
Chairman of the Board

Signatures
s Attorney-in-fact Richard A. Montfort, Jr. 8/1/2017
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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