What changed in this filing

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Item 5. Market for Registrant’s Common Equity

2025-09-15 compared with 2024-09-27 · 47 added, 32 removed, 9 unchanged (90% of the section changed)

Market for Registrant’s Common Equity, Related Stockholder

Matters and Issuer Purchases of Equity Securities

Market Information

Our Common Stock trades on the Nasdaq Stock Market under the symbol

Holders of Record

of September 24, 2024, we had approximately 19 holders of record of our Common Stock.

Because most of our shares of Common Stock held

by persons other than our original stockholders are held by brokers and other institutions on behalf of stockholders, this number is

not indicative of the total number of stockholders who beneficially own our stock.

Dividend Policy

We have never declared or paid any cash dividends

on our capital stock.

We do not anticipate paying cash dividends on our Common Stock in the foreseeable future.

We currently intend to

retain all available funds and any future earnings to support our operations and finance the growth and development of our business.

future determination related to our dividend policy will be made at the discretion of our board of directors and will depend upon, among

other factors, our results of operations, financial condition, capital requirements, contractual restrictions, business prospects, the

requirements of current or then-existing debt instruments and other factors our board of directors may deem relevant.

One of our subsidiaries

declared a dividend payable to its then sole stockholder, Tuanfang Liu, our co-chief executive officer.

Certain Relationships

and Related Transactions, and Director Independence

Securities Authorized

for Issuance under Equity Compensation Plan

The following table sets forth information concerning

securities authorized under equity compensation plans as of June 30, 2024.

Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Common Stock trades on the Nasdaq Stock Market under the symbol “ISPR.”

As of September 15, 2025, we had approximately 16 holders of record

of our Common Stock.

Because most of our shares of Common Stock held by persons other than our original stockholders are held by brokers

and other institutions on behalf of stockholders, this number is not indicative of the total number of stockholders who beneficially own

have never declared or paid any cash dividends on our capital stock.

We do not anticipate paying cash dividends on our Common Stock in

the foreseeable future.

We currently intend to retain all available funds and any future earnings to support our operations and finance

the growth and development of our business.

Any future determination related to our dividend policy will be made at the discretion of

our board of directors and will depend upon, among other factors, our results of operations, financial condition, capital requirements,

contractual restrictions, business prospects, the requirements of current or then-existing debt instruments and other factors our board

of directors may deem relevant.

One of our subsidiaries declared a dividend payable to its then sole stockholder, Tuanfang Liu, our co-chief

executive officer.

See “Item 13.

Certain Relationships and Related Transactions, and Director Independence.”

Authorized for Issuance under Equity Compensation Plan

following table sets forth information concerning securities authorized under equity compensation plans as of June 30, 2025.

Plan Category

securities to

5 unchanged sentences

plans (excluding securities reflected in column (a))

Plan Category

Equity compensation plans approved by security holders

Equity compensation plans not approved by security holders

(1) Excludes 1,681,822 shares of Common Stock reserved under the 2022 Equity

Incentive Plan, subject to the issuance of restricted stock units (“RSUs”) and performance stock units (“PSUs”).

Recent Sales of Unregistered Securities

There were no unregistered securities to report

which have not been previously included in a Quarterly Report on Form 10-Q or a Current Report on Form 8-K.

Excludes 1,582,865 shares of Common Stock reserved under our Amended and Restated 2022 Equity Incentive Plan, subject to the issuance of restricted stock units (“RSUs”) and performance stock units (“PSUs”).

Sales of Unregistered Securities

the three months ended June 30, 2025, the Company did not conduct any unregistered sales of equity securities.

of Equity Securities by the Issuer and Affiliated Purchasers

Pursuant to the share repurchase program approved by the Company’s

board of directors on January 20, 2025, for a period of 24 months, the Company may repurchase up to $10 million of the currently outstanding

shares of the Company’s common stock.

Under the approved repurchase program, the Company may purchase shares of the Company’s

common stock (i) in the open market, (ii) in privately negotiated transactions, (iii) block purchases, or (iv) otherwise in accordance

with applicable federal securities laws, including Rule 10b-18 of the Exchange Act.

During the three month period ended June 30, 2025,

the Company did not repurchase any shares of its common stock.

ISSUER PURCHASES OF EQUITY SECURITIES (1)

Average Price

April (April 1, 2025 –

April 30, 2025)

May (May 1, 2025 – May 31, 2025)

June (June 1, 2025

– June 30, 2025)

January 20, 2025, the Company’s board of directors authorized the Company’s entry

into a program to repurchase up to $10 million of shares of the Company’s Common Stock,

as previously announced in the Company’s Current Report on Form 8-K filed with the

SEC on January 22, 2025.

The board of directors’ authorization to conduct such a repurchase

program expires on January 20, 2027.

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