Burow Kristina sold MTSR

November 13, 2025 · Form 4 insider transaction

Burow Kristina sold 148,953 shares of MTSR, a transaction worth N/A. The trade was recorded as disposition to the issuer and disclosed on an SEC Form 4, filed 0 days after the transaction.

Direction
Disposed (sell-side)
Shares
148,953
Price
N/A
Total value
N/A
RoleDirector, 10% owner
CompanyMTSR
SecurityStock Option (right to buy)
Transaction codeD: Disposition to the issuer
Transaction dateNovember 13, 2025
Filing dateNovember 13, 2025
Shares owned after0
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Pursuant to the Merger Agreement, each outstanding and unexercised option immediately prior to the Effective Time, whether vested or unvested, was cancelled in exchange for the right to receive (x) an amount in cash equal to the product of (i) the excess, if any, of the Closing Amount minus the exercise price of such option, multiplied by (ii) the number of shares of Common Stock subject to such option immediately prior to the Effective Time, net of all applicable withholding taxes, and (y) one CVR for each share of the Common Stock subject to such stock option immediately prior to the Effective Time. In the case of any unvested stock options, the cash payment and the CVRs are subject to the same vesting schedule terms as were applicable to the stock options,; (Continued from footnote 3) except that all such payments will become vested upon the first anniversary of the closing of the Merger, subject to the holder's continued service with the Parent or its subsidiaries through the first anniversary of the Merger.; This option provided for vesting in 36 substantially equal monthly installments from November 12, 2024.

View the original Form 4 on SEC EDGAR