Vincent Mathis - 18 Dec 2025 Form 4 Insider Report for Fluence Energy, Inc. (FLNC)

Role
SVP & Chief Legal and Compliance Officer and Secretary.
Signature
/s/ Vincent W. Mathis
Issuer symbol
FLNC
Transactions as of
18 Dec 2025
Net transactions value
-$1,213,942
Form type
4
Filing time
22 Dec 2025, 16:15:48 UTC
Previous filing
03 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mathis Vincent SVP & Chief Legal and Compliance Officer and Secretary. C/O FLUENCE ENERGY, INC., 4601 FAIRFAX DRIVE, SUITE 600, ARLINGTON /s/ Vincent W. Mathis 22 Dec 2025 0001751108

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FLNC Class A Common Stock Options Exercise +14,935 +60% 39,715 18 Dec 2025 Direct F1
transaction FLNC Class A Common Stock Options Exercise +124,456 +313% 164,171 18 Dec 2025 Direct F1
transaction FLNC Class A Common Stock Tax liability $1,213,942 -62,866 -38% $19.31 101,305 18 Dec 2025 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction FLNC Restricted Stock Unit Options Exercise $0 -14,935 -33% $0.000000 29,869 18 Dec 2025 Class A Common Stock 14,935 Direct F1, F3
transaction FLNC Restricted Stock Unit Options Exercise $0 -124,456 -50% $0.000000 124,456 18 Dec 2025 Class A Common Stock 124,456 Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A Common Stock of the Issuer.
F2 Represents the number of shares of Class A Common Stock that have been withheld to satisfy tax withholding obligations in connection with the vesting of the RSUs.
F3 The RSUs vest in three equal annual installments with the first installment having vested on December 18, 2025, the second installment vesting on December 18, 2026 and the final installment vesting on December 18, 2027, subject to Reporting Person's continued service with the Issuer through the applicable vesting date.
F4 The RSUs vest in two equal annual installments with the first installment having vested on December 18, 2025 and the second installment vesting on December 18, 2026, subject to Reporting Person's continued service with the Issuer through the applicable vesting date.

Remarks:

SVP & Chief Legal and Compliance Officer and Secretary.