InsiderTrades

Form 4 for SERA SERA PROGNOSTICS, INC.

Accepted 2026-03-13 00:00:00 ET · period of report 2026-03-12 · accession 0001193125-26-106593 · 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
D 2026-03-13 2026-03-12 SERA Lindgardt Zhenya CEO, Dir A - Grant $0.00 +154.4K 892.8K +21% $0
D 2026-03-13 2026-03-12 SERA Lindgardt Zhenya CEO, Dir A - Grant $0.00 +239.4K 239.4K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2026-03-12 A A 154,440 $0.00 892,754 D — — (F1) Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over four years as follows: 1/16 of the original grant amount vests in quarterly installments for four years following the vesting commencement date, which is March 10, 2026, subject to the Reporting Person continuing to provide services to the issuer.
2 Derivative Stock Option (right to buy) 2026-03-12 A A 239,442 $0.00 239,442 D $1.99 · — to 2036-03-12 239,442 Class A Common Stock (F2) These stock options vest over four years as follows: 1/48 of the original grant amount vests in monthly installments for four years following the vesting commencement date, which is March 10, 2026, subject to the Reporting Person continuing to provide services to the issuer.