What changed in this filing

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Item 5. Market for Registrant’s Common Equity

2026-03-31 compared with 2025-03-21 · 8 added, 58 removed, 6 unchanged (92% of the section changed)

1 unchanged sentence

Class A common stock is listed on the Nasdaq Capital Market under the symbol “GNLN”.

of March 19, 2025, there were approximately 91 stockholders of record of our Class A common stock.

Since certain of our shares of Class

A common stock are held by brokers and other institutions on behalf of stockholders, we are unable to estimate the total number of stockholders

represented by these record holders.

As of March 30, 2026, there were

approximately 221 stockholders of record of our Class A common stock.

Since certain of our shares of Class A common stock are held

by brokers and other institutions on behalf of stockholders, we are unable to estimate the total number of stockholders represented by

these record holders.

have never declared or paid any cash dividends on our Class A common stock.

2 unchanged sentences

Sales of Equity Securities

were no unregistered sales of equity securities during the year ended December 31, 2024.

June 29, 2023, we entered into securities purchase agreements with certain investors, pursuant to which we agreed to issue and sell an

aggregate of 560,476 shares of our Class A common stock, pre-funded warrants to purchase up to 3,487,143 shares of our Class A common

stock (the “July 2023 Pre-Funded Warrants”) and warrants to purchase up to 8,095,238 shares of our Class A common stock (the

“July 2023 Standard Warrants”).

The July 2023 units each consisted of one share of Class A common stock or a July 2023 Pre-Funded

Warrant and two July 2023 Standard Warrants to purchase one share of our Class A common stock.

The July 2023 units were offered pursuant

to an effective Registration Statement on Form S-1.

The July 2023 Standard Warrants are exercisable immediately at an exercise price

equal to $1.05 per share of Class A common stock for a period of five years.

Each July 2023 Pre-Funded Warrant is exercisable immediately

with no expiration date for one share of Class A common stock at an exercise price of $0.0001.

The July 2023 Offering generated gross

proceeds of approximately $4.3 million and net proceeds to the Company of approximately $3.9 million.

of the date of this Annual Report on Form 10-K, all July 2023 Pre-Funded Warrants have been exercised, based upon which we issued an

additional 1,911,000 shares of our Class A common stock for de minimis net proceeds in 2024.

connection with the July 2023 Offering, we entered into privately negotiated agreements with holders participating in the offering to

amend existing outstanding warrants to purchase up to 1,344,367 shares of Class A common stock that were previously issued in connection

with the June 2022 and October 2022 Offerings at exercise prices per share of $50.00 and $9.00, respectively, and expire on December

29, 2027 and November 1, 2029, respectively (collectively, the “Prior Warrants”), effective upon the closing of the July

2023 Offering to reduce the exercise price of the Prior Warrants to $1.05, the exercise price of the warrants to purchase shares of Class

A common stock offered in the July 2023 Offering.

All other terms of the Prior Warrants remained unchanged.

August 12, 2024, the Company entered into a securities purchase agreement with a single institutional investor for aggregate gross cash

proceeds of $6.5 million.

In connection with the private placement, the Company issued an aggregate of 2,363,637 units and pre-funded

The pre-funded units were sold at the same purchase price as the units, less the pre-funded warrant exercise price of $0.001.

Each unit and pre-funded unit consisted of one share of common stock (or one pre-funded warrant) and two common warrants, each exercisable

for one share of common stock at an exercise price of $2.50 per share.

The common warrant are exercisable on the initial exercise date

described in the common warrant and will expire 5.0 years from such date.

October 29, 2024, the Company entered into an Exchange Agreement with its Senior Subordinated Lender, whereby the Company agreed to exchange

an aggregate of $4,617,307 of debt originally owed to Agile Capital Funding LLC and Cedar Advance LLC in a 3(a)(9) exchange for

new Senior Subordinated Notes in the principal amount of $4,000,000 due one year from issuance (the “Exchange Note”),

reducing outstanding indebtedness by approximately $617,000.

The Exchange Note was convertible at the option of the holder at $3.17 per

In connection with the Exchange, the Company issued an aggregate of 1,261,830 five year warrants with an exercise

price of $3.04 per share (the “Exchange Warrants”).

The Exchange Note was repaid out of the proceeds of the February

2025 Offering.

addition, pursuant to the terms of the Exchange Agreement, the Company agreed to issue warrants to the Holders, with an initial exercise

price of $3.04, exercisable 180 days after issuance (the “Exchange Inducement Warrants”).

The Exchange Inducement

Warrants were issued to incentivize the holders to exercise some or all of their existing warrants originally issued on August 13, 2024

(the “Existing Warrants”) for cash, which existing warrants have an exercise price of $2.50 per share.

Inducement Warrants are initially exercisable for zero shares, but to the extent that the Holders exercise any of such Existing Warrants

during the one-hundred sixty day inducement period, the Exchange Inducement Warrants will become exercisable on April 30, 2025 for 200%

of the number of Existing Warrants exercised for cash during such inducement period.

As part of the February 2025 Offering, the exercise

price of these warrants was adjusted to $1.19 per share.

pursuant to the Exchange Agreement, the Senior Subordinated Lender agreed that it will exercise its Existing Warrants for cash prior

to exercising any of its outstanding pre-funded warrants, contingent on the market price of the common stock being above $2.50 per

share and certain other conditions.

Except as previously reported by

us on our Current Reports on Form 8-K, we did not sell any securities during the period covered by this Annual Report that were not registered

under the Securities Act.

Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.

What changed 10-K

Item 5. Market for Registrant’s Common Equity