Notice of Proposed Sale · 144

Beta Technologies, Inc.

BETANYSEEQUITYCurrent

Notice of Proposed Sale

Filed Sep 29, 2026Accepted Sep 29, 2026, 4:02 PM EDTFiling CIK 2090083Accession 0001959173-26-007141

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Structured filing — 144

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer: BETA Technologies, Inc.
Issuer CIK: 0001784570
SEC file number: 001-42932
Phone: 802-242-6422
Person for whose account securities are to be sold: Clark Kyle
Relationships to issuer: Officer
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Securities proposed for sale

Securities proposed for sale · 1 reported row
Security	Proposed units	Aggregate market value	Units outstanding	Approximate sale date	Exchange	Broker / market maker
Common	10,000	22,620,521.00	225,439,576	09/29/2026	NYSE	Fidelity Brokerage Services LLC

Broker / market maker — proposed row 1, entry 1

Name: Fidelity Brokerage Services LLC
Street: 245 Summer Street
City: Boston
State / country code: MA
Postal code: 02110

Acquisition of securities to be sold

Acquisition of securities to be sold · 1 reported row
Security	Acquired	Nature of acquisition	Acquired from	Amount acquired	Gift transaction	Payment date	Nature of payment
Common Stock	06/21/2018	Original Issue Transferred to Trust	Issuer	10,000	N	06/21/2018	N/A

Sales reported in the preceding three months

Sales reported in the preceding three months · 22 reported rows
Seller	Security	Sale date	Amount sold	Gross proceeds
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	06/29/2026	15,000	245,754.00
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	06/30/2026	15,000	248,936.64
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	07/01/2026	15,000	261,127.56
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	07/02/2026	15,000	268,938.03
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	07/13/2026	15,000	262,189.15
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	07/14/2026	15,000	271,897.82
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	07/15/2026	15,000	275,794.00
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	07/16/2026	5,000	87,439.00
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/07/2026	15,000	348,808.50
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/10/2026	15,891	385,251.87
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/11/2026	17,005	415,937.20
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/12/2026	15,000	352,000.50
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/13/2026	30,000	762,525.00
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/14/2026	17,800	439,020.98
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/17/2026	30,000	751,427.00
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/18/2026	30,000	781,689.00
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/19/2026	30,000	802,272.00
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/20/2026	30,000	757,899.00
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	08/21/2026	23,205	585,292.75
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	09/24/2026	10,000	230,444.04
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	09/25/2026	10,000	241,498.00
Kyle Clark c/o BETA Technologies, Inc.	Common Stock	09/28/2026	10,000	233,197.20

Seller — prior-sale row 1, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 2, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE,
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 3, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 4, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 5, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 6, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 7, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 8, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 9, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 10, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE,
City: SOUTH BURLINGTON,
State / country code: VT
Postal code: 05403

Seller — prior-sale row 11, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 12, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 13, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE,
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 14, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 15, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON,
State / country code: VT
Postal code: 05403

Seller — prior-sale row 16, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 17, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE,
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 18, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: SOUTH BURLINGTON
State / country code: VT
Postal code: 05403

Seller — prior-sale row 19, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE,
City: South Burlington
State / country code: VT
Postal code: 05403

Seller — prior-sale row 20, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: South Burlington
State / country code: VT
Postal code: 05403

Seller — prior-sale row 21, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE
City: South Burlington
State / country code: VT
Postal code: 05403

Seller — prior-sale row 22, entry 1

Name: Kyle Clark c/o BETA Technologies, Inc.
Street: 1150 AIRPORT DRIVE,
City: South Burlington
State / country code: VT
Postal code: 05403

Prior-sale reporting

Nothing to report for the preceding three months: N

Remarks

Shares are being sold from Godric's Hollow Trust U/S 12/22/20

Notice signature

Notice date: 09/29/2026
Signed: /s/ Audrey Skillern, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Kyle Clark
Plan adoption dates: 06/25/2026

Company context

Current securities

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