you, Slide XX. I'm Raul. Thank on
for As of to typical I $XXX,XXX highlight first of the for I'd like net that the financial highlights XXXX. income review fourth quarter reported begin to our quarter, we
sales, through royalty structure. in TAVALISSE the with to including within this net leverage our my in the academic revenues, and partners our management that periodic been operating purchases Rezlidhia and in from and international both and disciplined have cost continued drug settings this distribution supply product financial we're business. accomplished We're across expense successfully community increasing sales load able grow of seeing was review pleased You launch that part
I'll highlights. now detailed provide our
XXXX, of in the bottles the quarter resulting fourth levels bottles the clinics X,XXX and TAVALISSE shipped our sales. bites our XXX of For at to distribution TAVALISSE quarter. remaining in to we product the of specialty shipped channels patients while X,XXX gross million of increased distributors, of $XX.X end
of and clinics, shipped while in distribution of were distributors, quarter shipped channels in specialty bottles our bottles reported the fourth sales. patients of of $X $X.X a remaining We levels increase period end the same Rezlidhia compared Rezlidhia to sales fourth of product million the from the XXX in to million product in For XXXX, XX% at sales XX in the of net quarter. We quarter XXXX. million quarter fourth product increased our we the from Rezlidhia of XXXX. resulting the [indiscernible] TAVALISSE net gross $XX.X of of to reported XXXX,
sales product TAVALISSE other rebates, returns, and chargebacks, recorded million. and net $XX.X discounts, of estimated from co-pay assistance net of Rezlidhia were allowances Our
XX.X% our net of adjustment product and for respectively. For of the gross XX.X% was and TAVALISSE Rezlidhia to sales, fourth gross approximately quarter XXXX, was
Before our we the sales, review on XXXX. for of expectations product from let net quarter move me first
a Let of me expect and as industry, see to we first our the first as bottle quarter resetting fourth start co-pays year hole, with the such Medicare quarter of confronting clinics to typical quarter small of and in compared TAVALISSE. issues increase this reimbursement to patients Despite the XXXX. in donut ship the the
and patients in growth bottles continued throughout year. clinics see to to the shipped expect We
to of continued bottles remaining quarters saw in highlight XXXX XXXX. third see For expect bottles to quarter in XXX I and distribution fourth would that increases first end strength bottleship at we of channels in our for and respectively. clinics TAVALISSE, patients XXX of the our and the we the in of Rezlidhia,
see of Rezlidhia our increases, of are these first TAVALISSE we XXXX. Given levels outside drawdown and Both and the the inventory quarter inventory control. expect to of these variable levels a in
for for to approximately of we in net XX% Rezlidhia. the Incrementally, XXXX TAVALISSE first approximately XX% expect gross our quarter be adjustment and to
Finally, Gavreto third On slide. progresses. third the of the year as recognizing start this updates further the -- do until [indiscernible] expect from the look to to providing not year. as next We quarter quarter an forward to important reminder, we of revenue
from to quarter of product of periodic $XXX,XXX. our addition revenues sales In approximately fourth in distribution XXXX, $X.X Contract our and $X.X million were million from from contract international approximately revenues collaboration drug approximately the partners. from were of revenue net our revenues government supply purchases contract approximately royalty million at $X.X consisted collaborations
Moving to on and costs expenses.
product cost compared XXXX. approximately in were fourth quarter million same $XX.X XXXX. in million period and the Our the $XX.X $X.X fourth sales Total cost for of of of quarter million was with expenses the in XXXX
III cost hemolycinemia Phase [indiscernible] with IRAKX/X due activities the our due decreased timing was inhibitor development related program. to immune clinical costs and The decrease and partly research related the to of to completion expenses [ the trial as in trial well activities in timing of COVID-XX ] to patients and as of trials fostamatinib
fourth the addition, in-process of at In decrease expenses and cost was a quarter recorded to also lower within included and costs facility-related Therapeutics due XXXX. to in milestone payment R&D the forma
of our increases business typical full increase along total into with cost progressing XXXX of previously forward we by and increases we as and currently Connect As we our goods very and continues for we with to Incrementally, XXXX, cost business compensation manner Anderson in the a in expand. costs MD our expect year to sold expenses our in annual reported. cost-effective move other strategic that look collaborations to
to with and costs, asset expect study Incremental the expect while view our be of of transition specifically less to -- SG&A look consisting this this expected we opportunities $XX costs Gavreto certain provide Rigel currently plan to to to updates complete these an related clinical interaction forward this we cost We further continue in costs, our -- the and specifically future. associated drug for XXXX. for with incur costs costs, development product, the asset million certain along to to than we new
back like financial call and short-term XXXX million. Finally, Raul? that, future. disciplined to quarter to we turn focus with into maintain Raul. the $XX.X fourth ended look the With cash over our of equivalents I'd investments of to cash, We and approach the