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 $2.0M · 9net −$2.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 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
Aug 17, 2026 SForm 4 →Aug 19, 4:10 pm EDTChristopher Ryan SullivanChief Financial Officer72,725$19.94$1,450,41939,900−64.6%10b5-1
Aug 17, 2026 MForm 4 →Aug 19, 4:10 pm EDTChristopher Ryan SullivanChief Financial Officer71,852$9.88$709,89870,931—10b5-1
Aug 17, 2026 SForm 4 →Aug 19, 4:10 pm EDTMittie DoyleChief Medical Officer1,000$20.00$20,00051,776−1.89%10b5-1
Aug 17, 2026 MForm 4 →Aug 19, 4:10 pm EDTMittie DoyleChief Medical Officer1,000$12.65$12,65052,776—10b5-1
Aug 11, 2026 SForm 4 →Aug 12, 4:10 pm EDTJennifer RileyChief Strategy Officer2,655$19.59$52,01237,041−6.69%
Aug 10, 2026 SForm 4 →Aug 12, 4:10 pm EDTMittie DoyleChief Medical Officer679$20.00$13,58051,776−1.29%10b5-1
Aug 10, 2026 MForm 4 →Aug 12, 4:10 pm EDTMittie DoyleChief Medical Officer679$8.04$5,45952,455—10b5-1
Jul 27, 2026 SForm 4 →Jul 29, 4:05 pm EDTMittie DoyleChief Medical Officer1,000$20.00$20,00051,776−1.89%10b5-1
Jul 27, 2026 MForm 4 →Jul 29, 4:05 pm EDTMittie DoyleChief Medical Officer1,000$12.65$12,65052,776—10b5-1
Jun 30, 2026 SForm 4 →Jul 2, 4:05 pm EDTMittie DoyleChief Medical Officer4,654$20.00$93,08051,776−8.25%10b5-1
Jun 30, 2026 MForm 4 →Jul 2, 4:05 pm EDTMittie DoyleChief Medical Officer4,654$10.89$50,67256,430—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
Aug 17, 2026 MForm 4 →Aug 19, 4:10 pm EDTChristopher Ryan SullivanChief Financial Officer71,852——96,242—10b5-1
Aug 17, 2026 MForm 4 →Aug 19, 4:10 pm EDTMittie DoyleChief Medical Officer1,000——123,750—10b5-1
Aug 10, 2026 MForm 4 →Aug 12, 4:10 pm EDTMittie DoyleChief Medical Officer679——114,413—10b5-1
Jul 27, 2026 MForm 4 →Jul 29, 4:05 pm EDTMittie DoyleChief Medical Officer1,000——124,750—10b5-1
Jun 30, 2026 MForm 4 →Jul 2, 4:05 pm EDTMittie DoyleChief Medical Officer4,654——115,092—10b5-1
Jun 30, 2026 AForm 4 →Jul 2, 4:05 pm EDTRon M PhilipDirector69$15.04$1,03869—
Jun 30, 2026 AForm 4 →Jul 2, 4:05 pm EDTKevin Robert LindDirector1,105$15.04$16,6191,105—
Jun 30, 2026 AForm 4 →Jul 2, 4:05 pm EDTRita JainDirector1,080$15.04$16,2431,080—