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Loeillot Olivier

SEC insider (Form 3/4/5 filer). CIK 0001995525. Chief Executive Officer at REPLIGEN CORP (RGEN). 25 reported Form 4/5 transactions since Sep 2024; latest on Oct 5, 2026. Located in WALTHAM, MA.

Companies Loeillot Olivier has filed insider reports for

  • REPLIGEN CORP (RGEN): Director, Officer, Chief Executive Officer
Loeillot Olivier profile photo

Loeillot Olivier

CIK: 0001995525

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)9 (36.0%)

Position reduction

Option Exercises (M)5 (20.0%)

Derivative conversions

Awards (A)3 (12.0%)

Compensation grants

Other (G, F, J, C, D, …)8 (32.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

REPLIGEN CORP logo
RGEN

REPLIGEN CORP

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (25 total)

  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Oct 5, 2026
    Sale
    Direct
    4.2K shares at avg. $190.00$798K
  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Oct 5, 2026
    Sale
    Direct
    1.3K shares at avg. $178.75$238K
  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Oct 5, 2026
    Exercise
    Direct
    4.2K shares at avg. $154.96$651K
  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Oct 2, 2026
    Tax Payment
    Direct
    1.2K shares at avg. $181.70$227K
  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Sep 24, 2026
    Exercise
    Direct
    4.5K shares at avg. $155.38$706K
  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Sep 24, 2026
    Sale
    Direct
    8.4K shares at avg. $190.00$1.6M
  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Sep 24, 2026
    Sale
    Direct
    4.5K shares at avg. $190.00$863K
  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Sep 24, 2026
    Exercise
    Direct
    8.4K shares at avg. $154.96$1.3M
  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Sep 21, 2026
    Exercise
    Direct
    5.4K shares at avg. $141.79$769K
  • REPLIGEN CORP logo
    RGEN

    REPLIGEN CORP

    Sep 21, 2026
    Sale
    Direct
    5.4K shares at avg. $180.00$977K

1-10 of 25