LPTH

On June 3, 2026, North Run Strategic Opportunities Fund I, LP sold 3,571,400 shares of Class A Common Stock in a registered secondary offering at a price of $14.00 per share.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

On June 2, 2026, the reporting persons converted 7,678.51 shares of the Issuer's Series G Convertible Preferred Stock into 3,571,400 shares of Class A Common Stock at a conversion price of $2.15 per share. No cash consideration was paid in connection with the conversion.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

On June 2, 2026, the reporting persons converted 7,678.51 shares of the Issuer's Series G Convertible Preferred Stock into 3,571,400 shares of Class A Common Stock at a conversion price of $2.15 per share. No cash consideration was paid in connection with the conversion.

The preferred stock is perpetual and therefore has no expiration date.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.3102 to $12.521 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.00 to $12.32, inclusive.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.25 to $12.3452, inclusive.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.0813 to $12.4449 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (4) to this Form 4.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

On March 25, 2026, the reporting persons converted 1,591 shares of the Issuer's Series G Convertible Preferred Stock into 740,000 shares of Class A Common Stock at a conversion price of $2.15 per share. No cash consideration was paid in connection with the conversion.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

On March 25, 2026, the reporting persons converted 1,591 shares of the Issuer's Series G Convertible Preferred Stock into 740,000 shares of Class A Common Stock at a conversion price of $2.15 per share. No cash consideration was paid in connection with the conversion.

The preferred stock is perpetual and therefore has no expiration date.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.00 to $12.72074 inclusive.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.0203 to $12.1413 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.00 to $12.0314 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 isa weighted average price. These shares were sold in multiple transactions at prices ranging from $12.02 to $12.164 inclusive.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.00 to $12.30, inclusive.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.0002 to $12.1608, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (4) to this Form 4.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The preferred stock is perpetual and therefore has no expiration date.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.0076 to $12.3617, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.00 to $12.0214, inclusive.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.0038 to $12.05, inclusive.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The preferred stock is perpetual and therefore has no expiration date.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.00 to $13.3019, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (5) to this Form 4.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.92 to $12.6577, inclusive.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

Restricted stock units were settled into Class A Common Stock on a one-for-one basis upon vesting. Shares were withheld to cover the employee's share of payroll taxes.

Restricted stock units were settled into Class A Common Stock on a one-for-one basis upon vesting. Shares were withheld to cover the employee's share of payroll taxes.

On January 5, 2026, North Run Strategic Opportunities Fund I, LP exercised a warrant to purchase 3,499,289 shares of the Issuer's Class A common stock for $2.58 per share. The reporting person paid the exercise price on a cashless basis, resulting in the Issuer's withholding of 770,321 of the warrant shares to pay the exercise price and issuing to the reporting person the remaining 2,728,968 shares.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

On January 5, 2026, North Run Strategic Opportunities Fund I, LP exercised a warrant to purchase 3,499,289 shares of the Issuer's Class A common stock for $2.58 per share. The reporting person paid the exercise price on a cashless basis, resulting in the Issuer's withholding of 770,321 of the warrant shares to pay the exercise price and issuing to the reporting person the remaining 2,728,968 shares.

The reported securities are directly held by North Run Strategic Opportunities Fund I, LP, and may be deemed to be indirectly beneficially owned by North Run Strategic Opportunities Fund I GP, LLC as the general partner of North Run Strategic Opportunities Fund I, LP. The reported securities may also be deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC.

On February 18, 2025, the Issuer issued to North Run - Due North Partners, LP a senior secured promissory note (the "Promissory Note") with an initial principal amount of $4 million. Upon the occurrence of certain circumstances, North Run - Due North Partners, LP would receive 4,000 shares of Issuer's Series G Convertible Preferred Stock, which at issuance would be convertible into 1,860,465 shares of Common Stock. The Promissory Note became payable on March 3, 2025 and did not have an expiration date. The Promissory Note was repaid in full by the Issuer on December 31, 2025.

The reported securities were directly held by North Run - Due North Partners, LP, and may have been deemed to be indirectly beneficially owned by North Run GP, LP as the general partner of North Run - Due North Partners, LP, and may have been deemed to be indirectly beneficially owned by North Run Advisors, LLC as the general partner of North Run GP, LP. The reported securities may have been deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC. The reported securities may also have been deemed to be indirectly beneficially owned by Thomas B. Ellis, Todd B. Hammer and Michael Bosco as limited partners of North Run - Due North Partners, LP.

On February 18, 2025, the Issuer issued to North Run - Due North Partners, LP a senior secured promissory note (the "Promissory Note") with an initial principal amount of $4 million. Upon the occurrence of certain circumstances, North Run - Due North Partners, LP would receive 4,000 shares of Issuer's Series G Convertible Preferred Stock, which at issuance would be convertible into 1,860,465 shares of Common Stock. The Promissory Note became payable on March 3, 2025 and did not have an expiration date. The Promissory Note was repaid in full by the Issuer on December 31, 2025.

The reported securities were directly held by North Run - Due North Partners, LP, and may have been deemed to be indirectly beneficially owned by North Run GP, LP as the general partner of North Run - Due North Partners, LP, and may have been deemed to be indirectly beneficially owned by North Run Advisors, LLC as the general partner of North Run GP, LP. The reported securities may have been deemed to be indirectly beneficially owned by Thomas B. Ellis and Todd B. Hammer as members of North Run Strategic Opportunities Fund I GP, LLC. The reported securities may also have been deemed to be indirectly beneficially owned by Thomas B. Ellis, Todd B. Hammer and Michael Bosco as limited partners of North Run - Due North Partners, LP.

On December 19, 2025, the Reporting Person gifted 13,020 shares of the Issuer's Class A Common Stock to a donor advised fund.

Restricted stock units were settled into Class A Common Stock on a one-for-one basis upon vesting.

Restricted stock units were settled into Class A Common Stock on a one-for-one basis upon vesting.

Restricted stock units were settled into Class A Common Stock on a one-for-one basis upon vesting.

The reported securities are directly held by North Run Capital, LP, and may be deemed to be indirectly beneficially owned by North Run Advisors, LLC as the general partner of North Run Capital, LP. The reported securities may also be deemed to be indirectly beneficially owned by the Reporting Person as a member of North Run Advisors, LLC.

The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission of beneficial ownership of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

Restricted stock units were settled into Class A Common Stock on a one-for-one basis upon vesting. Shares were withheld to cover the employee's share of payroll taxes.

Restricted stock units were settled into Class A Common Stock on a one-for-one basis upon vesting. Shares were withheld to cover the employee's share of payroll taxes.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The restricted stock units vest one year from the grant date. Directors may elect to defer receipt of the shares to a future date. Any unvested restricted stock units will vest immediately upon the director leaving the board.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The restricted stock units vest equally over a three year period, with the first vesting on November 18, 2026.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The restricted stock units vest one year from the grant date. Directors may elect to defer receipt of the shares to a future date. Any unvested restricted stock units will vest immediately upon the director leaving the board.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The restricted stock units vest one year from the grant date. Directors may elect to defer receipt of the shares to a future date. Any unvested restricted stock units will vest immediately upon the director leaving the board.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The restricted stock units vest one year from the grant date. Directors may elect to defer receipt of the shares to a future date. Any unvested restricted stock units will vest immediately upon the director leaving the board.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The restricted stock units vest one year from the grant date. Directors may elect to defer receipt of the shares to a future date. Any unvested restricted stock units will vest immediately upon the director leaving the board.

The reported securities are directly held by North Run Capital, LP, and may be deemed to be indirectly beneficially owned by North Run Advisors, LLC as the general partner of North Run Capital, LP. The reported securities may also be deemed to be indirectly beneficially owned by the Reporting Person as a member of North Run Advisors, LLC.

The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission of beneficial ownership of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The restricted stock units vest one year from the grant date. Directors may elect to defer receipt of the shares to a future date. Any unvested restricted stock units will vest immediately upon the director leaving the board.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The restricted stock units vest one year from the grant date. Directors may elect to defer receipt of the shares to a future date. Any unvested restricted stock units will vest immediately upon the director leaving the board.

Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

The restricted stock units vest equally over a three year period, with the first vesting on November 18, 2026.

Restricted stock units were settled into Class A Common Stock on a one-for-one basis upon vesting. Shares were withheld to cover the employee's share of payroll taxes.

Restricted stock units were settled into Class A Common Stock on a one-for-one basis upon vesting. Shares were withheld to cover the employee's share of payroll taxes.