COLL · Collegium Pharmaceutical, Inc · Insider Trading

The option is fully vested and exercisable.

The option is fully vested and exercisable.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest on the earlier of May 14, 2027, or the date of the Issuer's 2027 Annual Meeting of Shareholders, subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest on the earlier of May 14, 2027, or the date of the Issuer's 2027 Annual Meeting of Shareholders, subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest on the earlier of May 14, 2027, or the date of the Issuer's 2027 Annual Meeting of Shareholders, subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. 8,741 of the RSUs vest on the earlier of May 14, 2027, or the date of the Issuer's 2027 Annual Meeting of Shareholders; 8,741 of the RSUs vest on May 14, 2027, in each case subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest on the earlier of May 14, 2027, or the date of the Issuer's 2027 Annual Meeting of Shareholders, subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest on the earlier of May 14, 2027, or the date of the Issuer's 2027 Annual Meeting of Shareholders, subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest on the earlier of May 14, 2027, or the date of the Issuer's 2027 Annual Meeting of Shareholders, subject to the director's continued service with the Issuer. The RSUs will be settled on such date, or, upon the election of the director, on the earlier of the end of the director's service on the Board of Directors, the director's death or disability, or a change in control of the Issuer, in shares of the Issuer's common stock.

The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $35.55 to $36.50, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $37.18 to $37.43, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The option is fully vested and exercisable.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 5, 2025.

The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $34.74 to $35.39, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of restricted stock units.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 5, 2025.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025.

The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $39.835 to $40.82, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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 transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025.

The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $40.84 to $41.35, inclusive.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of PSUs.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of PSUs.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. One-third (33%) of the RSUs shall vest on February 10, 2027, with the balance of the RSUs vesting in equal annual installments over the following two-year period, subject to the Reporting Person's continued service with the Issuer. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. One-third (33%) of the RSUs shall vest on February 10, 2027, with the balance of the RSUs vesting in equal annual installments over the following two-year period, subject to the Reporting Person's continued service with the Issuer. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

Includes 376 and 404 shares acquired on July 18, 2025 and January 16, 2026, respectively, under the Issuer's employee stock purchase plan.

Effective February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer determined that performance-vesting criteria were met with regard to an aggregate of 9,005 performance share units ("PSUs") granted in the Issuer's 2025 fiscal year.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of RSUs.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of RSUs.

Effective February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer determined that performance-vesting criteria were met with regard to an aggregate of 32,531 performance share units ("PSUs") granted in the Issuer's 2025 fiscal year.

Effective February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer determined that performance-vesting criteria were met with regard to an aggregate of 32,734 performance share units ("PSUs") granted in the Issuer's three prior fiscal years.

Effective February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer determined that performance-vesting criteria were met with regard to an aggregate of 30,702 performance share units ("PSUs") granted in the Issuer's three prior fiscal years.

Effective February 10, 2026, the Compensation Committee of the Board of Directors of the Issuer determined that performance-vesting criteria were met with regard to an aggregate of 22,774 performance share units ("PSUs") granted in the Issuer's three prior fiscal years.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of PSUs.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. One-third (33%) of the RSUs shall vest on February 10, 2027, with the balance of the RSUs vesting in equal annual installments over the following two-year period, subject to the Reporting Person's continued service with the Issuer. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of RSUs.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. One-third (33%) of the RSUs shall vest on February 10, 2027, with the balance of the RSUs vesting in equal annual installments over the following two-year period, subject to the Reporting Person's continued service with the Issuer. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

Includes 404 shares acquired on January 16, 2026 under the Issuer's employee stock purchase plan.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of PSUs.

Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. One-third (33%) of the RSUs shall vest on February 10, 2027, with the balance of the RSUs vesting in equal annual installments over the following two-year period, subject to the Reporting Person's continued service with the Issuer. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

Includes 376 shares acquired on July 18, 2025 under the Issuer's employee stock purchase plan.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of PSUs.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025.

The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $47.212 to $48.20, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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 transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025.

The option is fully vested and exercisable.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025.

The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $48.215 to $49.08, inclusive.

The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $47.0301 to $47.0901, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.805 to $47.51, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The option is fully vested and exercisable.

Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of restricted stock units.