Form4insider filings, from the source

Company · CIK 0001534120 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Avalo Therapeutics, Inc. · AVTX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $395k · 3net −$395k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 SForm 4 →Sep 18, 4:10 pm EDTChristopher Ryan SullivanChief Financial Officer12,394$16.33$202,43739,900−23.7%10b5-1
Sep 16, 2026 MForm 4 →Sep 18, 4:10 pm EDTChristopher Ryan SullivanChief Financial Officer12,394$9.88$122,45352,294—10b5-1
Sep 10, 2026 SForm 4 →Sep 11, 4:10 pm EDTChristopher Ryan SullivanChief Financial Officer10,185$17.62$179,45739,900−20.3%10b5-1
Sep 10, 2026 MForm 4 →Sep 11, 4:10 pm EDTChristopher Ryan SullivanChief Financial Officer10,185$8.04$81,88750,085—10b5-1
Aug 28, 2026 SForm 4 →Sep 1, 4:38 pm EDTMittie DoyleChief Medical Officer679$20.00$13,58051,776−1.29%10b5-1
Aug 28, 2026 MForm 4 →Sep 1, 4:38 pm EDTMittie DoyleChief Medical Officer679$8.04$5,45952,455—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 MForm 4 →Sep 18, 4:10 pm EDTChristopher Ryan SullivanChief Financial Officer12,394——83,848—10b5-1
Sep 10, 2026 MForm 4 →Sep 11, 4:10 pm EDTChristopher Ryan SullivanChief Financial Officer10,185——105,815—10b5-1
Aug 28, 2026 MForm 4 →Sep 1, 4:38 pm EDTMittie DoyleChief Medical Officer679——113,734—10b5-1