InsiderTrades

Form 4 for ATOS ATOSSA THERAPEUTICS, INC.

Accepted 2026-03-31 00:00:00 ET · period of report 2026-03-27 · accession 0001193125-26-134861 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-31 2026-03-27 ATOS QUAY STEVEN C Pres, CEO, Dir A - Grant $0.00 +65.0K 88.0K +282% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-27 A A 65,000 $0.00 88,038 D — — (F1) Represents a grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in three equal annual installments on the first three anniversaries of March 26, 2026. (F2) On February 2, 2026, the Issuer effected a one-for-fifteen reverse stock split of its Common Stock (the "Reverse Stock Split"). The number of securities reported on this Form 4 has been adjusted to reflect the Reverse Stock Split.