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 * PEABODY MARK 2. Issuer Name and Ticker or Trading Symbol ASTRONICS CORP [ ATRO ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
VP Astronics Advanced Electron
(Last)         (First)         (Middle)
130 COMMERCE WAY
3. Date of Earliest Transaction (MM/DD/YYYY)
3/17/2021
(Street)
EAST AURORA, NY 14052
(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
$.01 PV Common Stock  3/17/2021    M    1205  A $0.00  26164  D   
$.01 PV Common Stock  3/17/2021    F(1)    411  D $18.65  25753  D   
$.01 PV Class B Stock  3/17/2021    M    180  A $0.00  198494  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
Option  $13.59                  12/1/2012  12/1/2021  $.01 PV Com Stk  4300    4300  D   
Option  $13.59                  12/1/2012  12/1/2021  $.01 PV Cl B Stk  6530    6530  D   
Option  $9.20                  11/29/2013  11/29/2022  $.01 PV Com Stk  7400    7400  D   
Option  $9.20                  11/29/2013  11/29/2022  $.01 PV Cl B Stk  8807    8807  D   
Option  $28.45                  12/11/2014  12/11/2023  $.01 PV Com Stk  2990    2990  D   
Option  $28.45                  12/11/2014  12/11/2023  $.01 PV Cl B Stk  2467    2467  D   
Option  $30.83                  12/11/2015  12/11/2024  $.01 PV Com Stk  3470    3470  D   
Option  $30.83                  12/11/2015  12/11/2024  $.01 PV Cl B Stk  1807    1807  D   
Option  $27.72                  12/3/2016  12/3/2025  $.01 PV Com Stk  4500    4500  D   
Option  $27.72                  12/3/2016  12/3/2025  $.01 PV Cl B Stk  1451    1451  D   
Option  $31.76                  12/14/2017  12/14/2026  $.01 PV Com Stk  4820    4820  D   
Option  $31.76                  12/14/2017  12/14/2026  $.01 PV Cl B Stk  723    723  D   
Option  $35.61                  12/12/2018  12/12/2027  $.01 PV Com Stk  7010    7010  D   
Option  $35.61                  12/12/2018  12/12/2027  $.01 PV Cl B Stk  1052    1052  D   
Restricted Stock Unit   (2) 3/17/2021    M        1205    (3)  (3) $.01 PV Com Stk  1205  $0.00  0  D   
Restricted Stock Unit   (4) 3/17/2021    M        180    (3)  (3) $.01 PV Cl B Stk  180  $0.00  0  D   
Option  $31.57                  12/13/2019  12/13/2028  $.01 PV Com Stk  9280    9280  D   
Restricted Stock Unit   (2)                  (5)  (5) $.01 PV Com Stk  1220    1220  D   
Option  $30.04                  12/9/2020  12/9/2029  $.01 PV Com Stk  13600    13600  D   
Restricted Stock Unit   (2)                  (6)  (6) $.01 PV Com Stk  6625    6625  D   
Option  $14.45                  1/22/2022  1/22/2031  $.01 PV Com Stk  20250    20250  D   
Restricted Stock Unit   (2)                  (7)  (7) $.01 PV Com Stk  886    886  D   
Restricted Stock Unit   (2)                  (8)  (8) $.01 PV Com Stk  9825    9825  D   

Explanation of Responses:
(1)  Shares withheld by Astronics Corp. to satisfy applicable withholding tax upon vesting of restricted stock units.
(2)  Each restricted stock unit represents the right to receive, at settlement, one share of common stock.
(3)  Vesting of these restricted stock units depends on Astronics Corp.'s average annual adjusted EBITDA for the period of January 1, 2018 - December 31, 2020. The "target" number of restricted stock units is reported. Between 75% and 115% of the target number of units may vest on December 31, 2020, with the vesting percentage determined based on actual performance.
(4)  Each restricted stock unit represents the right to receive, at settlement, one share of Class B stock.
(5)  Vesting of these restricted stock units depends on Astronics Corp.'s average annual adjusted EBITDA for the period of January 1, 2019-December 31, 2021. The "target" number of restricted stock units is reported. Between 75% and 115% of the target number of units may vest on December 31, 2021, with the vesting percentage determined based on actual performance.
(6)  Vesting of these restricted stock units depends on Astronics Corp.'s average annual adjusted EBITDA for the period January1, 2020- December 31, 2022. The "target" number of restricted stock units is reported. Between 75% and 115% of the target number of units may vest on December 31, 2022, with the vesting percentage determined based on actual performance.
(7)  These restricted stock units vest ratably on each anniversary of the grant date over three years.
(8)  Vesting of these restricted stock units depends on Astronics Corp.'s average annual adjusted EBITDA for the period January1, 2021- December 31, 2023. The "target" number of restricted stock units is reported. Between 75% and 115% of the target number of units may vest on December 31, 2022, with the vesting percentage determined based on actual performance.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
PEABODY MARK
130 COMMERCE WAY
EAST AURORA, NY 14052


VP Astronics Advanced Electron

Signatures
/s/Julie Davis, as Power of Attorney for Mark Peabody 3/19/2021
**Signature of Reporting Person Date