It looks like a vote of confidence to me. CR from Altium...

It looks like a vote of confidence to me. CR from Altium Capital, a U.S.-based healthcare investment fund founded by CEO, Jacob Gottlieb, with participation from another investor

"Jacob Gottlieb, Altium Capital’s CEO, commented, “The potential therapeutic relevance of LAG-3 is becoming increasing appreciated within both the biopharma industry and the investment community. Immutep has already established itself as a clear leader in the understanding of the LAG-3 immune control mechanism, having built partnerships with five of the world’s largest pharmaceutical companies and operating under the research direction of Dr. Frederic Triebel.”
“We are pleased to have the opportunity to support Immutep’s innovative clinical and preclinical product candidates. We have a particular interest in the potential of IMP761, its preclinical agonist antibody for autoimmune diseases. This investment is consistent with our fundamental long-term investment strategy,” Gottlieb concluded. "