InsiderTrades

Form 4 for MCRB Seres Therapeutics, Inc.

Accepted 2025-05-19 00:00:00 ET · period of report 2025-05-15 · accession 0000950170-25-074325 · 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
DT 2025-05-19 2025-05-15 MCRB DesRosier Thomas CLO, EVP S - Sale+OE $7.28 -79 7,287 -1% -$575.12
DMT 2025-05-19 2025-05-15 MCRB DesRosier Thomas CLO, EVP M - OptEx — +244 7,366 +3% —
DMT 2025-05-19 2025-05-15 MCRB DesRosier Thomas CLO, EVP M - OptEx $0.00 -244 929 -21% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-05-15 S D 79 $7.28 7,287 D — — (F2) Reflects a 1-for-20 reverse stock split effected on April 21, 2025.
2 Common Common Stock 2025-05-15 M A 133 — 7,255 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F2) Reflects a 1-for-20 reverse stock split effected on April 21, 2025.
3 Common Common Stock 2025-05-15 M A 111 — 7,366 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F2) Reflects a 1-for-20 reverse stock split effected on April 21, 2025.
4 Derivative Restricted Stock Units 2025-05-15 M D 111 $0.00 1,224 D — · — to — 111 Common Stock (F2) Reflects a 1-for-20 reverse stock split effected on April 21, 2025. (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F5) The restricted stock units have vested and settled as to 25% of the restricted stock units on February 15, 2025. The remainder of the restricted stock units have vested and settled or will vest and settle in 12 equal quarterly installments thereafter. The restricted stock units have no expiration date.
5 Derivative Restricted Stock Units 2025-05-15 M D 133 $0.00 929 D — · — to — 133 Common Stock (F2) Reflects a 1-for-20 reverse stock split effected on April 21, 2025. (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F4) The restricted stock units have vested and settled as to 25% of the restricted stock units on February 15, 2024. The remainder of the restricted stock units have vested and settled or will vest and settle in 12 equal quarterly installments thereafter. The restricted stock units have no expiration date.