| Accession Number: | 0001567619-23-003793 |
| Date: | 2023-02-22 |
| Issuer: | TRINSEO PLC (TSE) |
| Original Submission Date: |
CHACLAS ANGELO N.
C/O TRINSEO PLC
440 EAST SWEDESFORD ROAD, SUITE 301
WAYNE, PA 19087
| Title of Security | Transaction Date | 2a. Deemed Execution Date | Transaction Code | Shares | Acquired or Disposed | Price per share | 5. Amount of Securities Beneficially Owned Following Reported Transaction | 6. Ownership Form Direct or Indirect | Nature of Indirect Ownership |
|---|---|---|---|---|---|---|---|---|---|
| ORDINARY SHARES | 2023-02-22 | A | 28,240 | a | $0.00 | 65,274 | direct |
| Title of Derivative Security | Conversion or Exercise Price of Derivative Security | Transaction Date | Deemed Execution Date | Transaction Code | Number of Derivative Securities Acquired (A) or Disposed of (D) | Date Exercisable | Expiration Date | Title and Amount of Securities Underlying Derivative Security | Price of Derivative Security | Number of derivative Securities Beneficially Owned Following Reported Transaction(s) | Ownership Form: Direct (D) or Indirect (I) | Nature of Indirect Beneficial Ownership |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OPTION TO PURCHASE ORDINARY SHARES | 24.08 | 2023-02-22 | deemed execution date | A | 23,481 (a) | 2032-02-22 | ordinary shares 23,481 | $24.08 | 23,481 | direct |
| ID | footnote |
|---|---|
| f1 | represents ordinary shares issuable pursuant to rsu award that will vest in full on the third anniversary of the grant. |
| f2 | the option vests in three equal annual installments beginning on the first anniversary of the grant date. |
