Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	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 ^*

Glenn David D.

2. Date of Event Requiring Statement (MM/DD/YYYY) 12/10/2020

3. Issuer Name and Ticker or Trading Symbol

LYDALL INC /DE/ [LDL]

(Last) (First) (Middle)

C/O LYDALL, INC., ONE COLONIAL ROAD

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director _____ 10% Owner
___X___ Officer (give title below) _____ Other (specify below)
Pres, Thermal Acoustical Solut /

(Street)

MANCHESTER, CT 06042

(City) (State) (Zip)

5. 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 Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	2504	D
Common Stock	8210 ⁽¹⁾	D

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Incentive Stock Option	12/5/2015 ⁽²⁾	12/4/2024	Common Stock	1575 ⁽³⁾	$27.96	D
Non-Qualified Stock Option	12/4/2016 ⁽²⁾	12/3/2025	Common Stock	2500 ⁽⁴⁾	$36.74	D
Non-Qualified Stock Option	12/8/2018 ⁽²⁾	12/7/2027	Common Stock	4890	$51.85	D
Non-Qualified Stock Option	12/7/2019 ⁽²⁾	12/6/2028	Common Stock	6905	$20.16	D
Non-Qualified Stock Option	7/25/2020 ⁽²⁾	7/24/2029	Coomon Stock	21390	$20.05	D
Non-Qualified Stock Option	2/13/2021 ⁽²⁾	2/12/2030	Common Stock	11025	$21.7	D

Explanation of Responses:
(1)	Represents awards of Performance Shares granted under the Lydall 2012 Stock Incentive Plan, which awards are subject to a substantial risk of forfeiture and vests, if at all, to the extent determined upon certification by the Compensation Committee of the Board of Directors of the Company that the Company has achieved certain specified financial performance criteria during the following three-year periods: (a) for 1,690 shares, from January 1, 2018 and ending as of December 31, 2020; (b) for 2,485 shares, from January 1, 2019 and ending as of December 31, 2021; and (c) for 4,035 shares, from January 1, 2020 and ending as of December 31, 2022.
(2)	Stock options granted under the Lydall, Inc. 2012 Stock Incentive Plan. Options become exercisable at the rate of 25% per year, beginning one year from initial grant date.
(3)	The amount of shares reflects the remaining number of options exercisable from the initial grant of 6,300 shares subject to the stock option grant.
(4)	The amount of shares reflects the remaining number of options exercisable from the initial grant of 5,000 shares subject to the stock option grant.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Glenn David D. C/O LYDALL, INC. ONE COLONIAL ROAD MANCHESTER, CT 06042			Pres, Thermal Acoustical Solut