Wave Life Sciences director gets 64,000-share option

Both awards vest in full on the earlier of the 2027 annual meeting of stockholders or October 5, 2027.

Rhea-AI Filing Summary

Wave Life Sciences, Inc. (WVE) director Heidi L. Wagner received 10,700 restricted stock units and an option covering 64,000 common shares on October 5, 2026. The option has a $3.75 per-share exercise price and expires October 5, 2036. Both awards vest in full on the earlier of the company’s 2027 annual meeting of stockholders or October 5, 2027. Her reported direct common-stock position following the RSU award was 55,630 shares.

Insider Trade Summary

Grant/Award: 74,700 shares

Grant/Award 2 txns

Insider Wagner Heidi L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy) F2	64,000	$0.00	$0.00
Grant/Award	Common Stock F1	10,700	$0.00	$0.00

Holdings After Transaction: Stock Option (right to buy) — 64,000 contracts (Direct); Common Stock — 55,630 shares (Direct)

Footnotes (2)

1. F1. The reporting person was granted this restricted stock unit award (RSU) pursuant to the 2026 Non-Employee Director Compensation Policy. The RSU vests as to 100% of the shares on the earlier of the Company's 2027 annual meeting of stockholders or October 5, 2027.
2. F2. The reporting person was granted this option pursuant to the 2026 Non-Employee Director Compensation Policy. The option vests as to 100% of the shares on the earlier of the Company's 2027 annual meeting of stockholders or October 5, 2027.

Key Figures

Restricted stock units: 10,700 shares Common stock position after RSU award: 55,630 shares Option shares: 64,000 shares +2 more

5 metrics

Restricted stock units 10,700 shares Awarded October 5, 2026

Common stock position after RSU award 55,630 shares Direct holdings following the October 5, 2026 award

Option shares 64,000 shares Option award dated October 5, 2026

Exercise price $3.75 per share Option award

Option expiration October 5, 2036 Option award

Key Terms

restricted stock unit award (RSU), option, vests

3 terms

restricted stock unit award (RSU) financial

"granted this restricted stock unit award (RSU)"

option financial

"granted this option pursuant to the 2026 Non-Employee Director Compensation Policy"

An option is a financial contract that gives its holder the right, but not the obligation, to buy or sell a stock at a specified price within a set time. Investors use options like a reservation or coupon to lock in a price, protect against losses, or amplify potential gains with a smaller upfront cost than owning the stock outright, making them useful for hedging, income strategies, or speculative bets.

vests financial

"vests as to 100% of the shares"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity awards did WVE director Heidi L. Wagner receive?

On October 5, 2026, Heidi L. Wagner received 10,700 restricted stock units and an option covering 64,000 shares of Wave Life Sciences common stock. The option’s exercise price is $3.75 per share.

When do Heidi L. Wagner’s WVE awards vest?

Both awards vest as to 100% of the shares on the earlier of the company’s 2027 annual meeting of stockholders or October 5, 2027.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/07/2026 - 09:00 PM Accepted by SEC EDGAR 10/07/2026 - 09:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wagner Heidi L

(Last) (First) (Middle)

C/O WAVE LIFE SCIENCES, INC.,

733 CONCORD AVE.

(Street)

CAMBRIDGE MASSACHUSETTS 02138

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Wave Life Sciences, Inc. [ WVE ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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	10/05/2026		A		10,700(1)	A	$0	55,630	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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
Stock Option (right to buy)	$3.75	10/05/2026		A		64,000		(2)	10/05/2036	Common Stock	64,000	$0.00	64,000	D

Explanation of Responses:

1. The reporting person was granted this restricted stock unit award (RSU) pursuant to the 2026 Non-Employee Director Compensation Policy. The RSU vests as to 100% of the shares on the earlier of the Company's 2027 annual meeting of stockholders or October 5, 2027.

2. The reporting person was granted this option pursuant to the 2026 Non-Employee Director Compensation Policy. The option vests as to 100% of the shares on the earlier of the Company's 2027 annual meeting of stockholders or October 5, 2027.

	/s/ Heidi Wagner	10/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)