Aik Na Tan - 08 Dec 2025 Form 4 Insider Report for Wave Life Sciences Ltd. (WVE)

Reporting relationship: Director
Issuer ticker: WVE
Reported as of: 08 Dec 2025
Net transaction value: -$1,244,888
SEC form: 4
Accepted by SEC: 10 Dec 2025, 21:45:11 UTC
Prior SEC filing: 19 Aug 2025
Next SEC filing: 13 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Aik Na Tan

Key filing fact

Aik Na Tan filed Form 4 for Wave Life Sciences Ltd. (WVE) on 10 Dec 2025.

Key facts

This page summarizes Aik Na Tan's Form 4 filing for Wave Life Sciences Ltd. (WVE).
16 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 10 Dec 2025, 21:45.

Change

Previous filing in this sequence was filed on 19 Aug 2025.
Current net transaction value: -$1,244,888.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001821285 Primary reporting owner

Tan Aik Na

Relationship: Director
Address: C/O WAVE LIFE SCIENCES LTD.,, 733 CONCORD AVE., CAMBRIDGE
Signature: /s/ Aik Na Tan
Signature date: 10 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WVE transaction

Ordinary Shares

Sale

Transaction value: $95,548
Shares: -7,494
Change %: -19%
Price: $12.75
Shares after: 32,894
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Sale

Transaction value: $112,410
Shares: -7,494
Change %: -23%
Price: $15.00
Shares after: 25,400
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Options Exercise

Transaction value: $173,075
Shares: +32,230
Change %: +127%
Price: $5.37
Shares after: 57,630
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Sale

Transaction value: $191,250
Shares: -15,000
Change %: -26%
Price: $12.75
Shares after: 42,630
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Sale

Transaction value: $258,450
Shares: -17,230
Change %: -40%
Price: $15.00
Shares after: 25,400
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Options Exercise

Transaction value: $206,325
Shares: +45,000
Change %: +177%
Price: $4.58
Shares after: 70,400
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Sale

Transaction value: $255,000
Shares: -20,000
Change %: -28%
Price: $12.75
Shares after: 50,400
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Sale

Transaction value: $375,000
Shares: -25,000
Change %: -50%
Price: $15.00
Shares after: 25,400
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Options Exercise

Transaction value: $73,500
Shares: +21,000
Change %: +83%
Price: $3.50
Shares after: 46,400
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Sale

Transaction value: $267,750
Shares: -21,000
Change %: -45%
Price: $12.75
Shares after: 25,400
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Options Exercise

Transaction value: $125,370
Shares: +21,000
Change %: +83%
Price: $5.97
Shares after: 46,400
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

WVE transaction

Ordinary Shares

Sale

Transaction value: $267,750
Shares: -21,000
Change %: -45%
Price: $12.75
Shares after: 25,400
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WVE transaction Derivative

Share Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -32,230
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 08 Dec 2025
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 32,230
Exercise price: $5.37
Footnotes: F1, F2

WVE transaction Derivative

Share Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -45,000
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 08 Dec 2025
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 45,000
Exercise price: $4.58
Footnotes: F1, F2

WVE transaction Derivative

Share Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -21,000
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 08 Dec 2025
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 21,000
Exercise price: $3.50
Footnotes: F1, F2

WVE transaction Derivative

Share Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -21,000
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 08 Dec 2025
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 21,000
Exercise price: $5.97
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 6, 2025.

Footnote F2

These share options are fully vested.