HMHC Houghton Mifflin Harcourt Company

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 * DOLAN MICHAEL	2. Issuer Name and Ticker or Trading Symbol Houghton Mifflin Harcourt Co [ HMHC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) SVP, Controller
(Last)          (First)          (Middle) HOUGHTON MIFFLIN HARCOURT, 125 HIGH STREET	3. Date of Earliest Transaction (MM/DD/YYYY) 3/5/2021
(Street) BOSTON, MA 02110 (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	3/5/2021		M		6452	A	$0.00 (1)	72378	D
Common Stock	3/8/2021		S		3033	D	$6.23	69345	D

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
Restricted Stock Units	(2)	3/5/2021		M			6452	(3)	(3)	Common Stock	6452	$0.00	6452	D

Explanation of Responses:
(1)	6,452 restricted stock units held by Mr. Dolan vested on March 5, 2021 and were settled in exchange for a like amount of shares of Houghton Mifflin Harcourt Company's (the "Company") common stock, subject to the sale of 3,033 shares of common stock to satisfy withholding obligations in connection with federal, state, local or other taxes required to be withheld or paid in connection with the settlement of the restricted stock units.
(2)	Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.
(3)	The remaining restricted stock units shall vest on March 5, 2022, subject to continued employment with the Company.

Remarks: William F. Bayers is the Executive Vice President, Secretary and General Counsel of the Company.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DOLAN MICHAEL HOUGHTON MIFFLIN HARCOURT 125 HIGH STREET BOSTON, MA 02110			SVP, Controller

Signatures
s/ William F. Bayers		3/9/2021
**Signature of Reporting Person		Date