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The company

Repligen Corporation

RGEN · Nasdaq

Health CareBiotechnologyIn trend

RGEN stood above a rising 150-day average in 24 of the last 52 weekly readings, including each of the last 8 weeks. It is 22.6% above that average now. Biotechnology: 16% of its 561 stocks in an uptrend (−15 points in four weeks); Health Care: 26% (−10 points in four weeks).

SEC filings

Statistics

Rotation: In trend
Weeks in an uptrend: 8 in a row
Industry in uptrend: 16% -15 in 4 wk
Insider buys, 12 months: $0
Insider sales, 12 months: $20.9M
Officials’ trades on record: 8
Institutions holding: 440 (+32)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 24 of 52 weeks.

20 Apr – 19 Oct

Biotechnology: Few of its stocks are in an uptrend and the share has fallen sharply over four weeks. Health Care: A minority of its stocks are in an uptrend and the share has fallen sharply over four weeks.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

8 disclosed lines: House 7, Senate 0, executive 1; 3 people.

Who	Did	Amount	Traded
Donald J. Trump Executive branch: Office of Government EthicsWhite House Office	sold	$1k–$15k	22 May 2026filed 1 Jul 2026
Lisa C. McClain House: U.S. House ClerkMI09	soldspouse	$1k–$15k	31 Oct 2025filed 21 Nov 2025
Lisa C. McClain House: U.S. House ClerkMI09	soldspouse	$1k–$15k	30 Oct 2025filed 21 Nov 2025
Lisa C. McClain House: U.S. House ClerkMI09	boughtspouse	$1k–$15k	30 Oct 2025filed 21 Nov 2025
Lisa C. McClain House: U.S. House ClerkMI09	boughtspouse	$1k–$15k	22 Jul 2025filed 13 Aug 2025
Lisa C. McClain House: U.S. House ClerkMI09	soldspouse	$1k–$15k	17 Jun 2025filed 13 Aug 2025
Lisa C. McClain House: U.S. House ClerkMI09	boughtspouse	$1k–$15k	11 Jun 2025filed 13 Aug 2025
Jefferson Shreve House: U.S. House ClerkIN06	sold	$15k–$50k	7 Apr 2025filed 8 May 2025

Insiders

Buy orders, 12 months0

Sale orders, 12 months13

Buyers · sellers0 · 5

Who	Did	Shares	Traded
Olivier LoeillotChief Executive Officer	sold	1,333at $178.75	5 Oct 2026filed 6 Oct 2026
Olivier LoeillotChief Executive Officer	sold	4,202at $190.00	5 Oct 2026filed 6 Oct 2026
Olivier LoeillotChief Executive Officer	sold	8,404at $190.00	24 Sep 2026filed 25 Sep 2026
Olivier LoeillotChief Executive Officer	sold	4,542at $190.00	24 Sep 2026filed 25 Sep 2026
Olivier LoeillotChief Executive Officer	sold	5,426at $180.00	21 Sep 2026filed 22 Sep 2026
Olivier LoeillotChief Executive Officer	sold	3,035at $165.90	4 Sep 2026filed 8 Sep 2026
Olivier LoeillotChief Executive Officer	sold	5,426at $180.00	20 Aug 2026filed 21 Aug 2026
Jason K. GarlandCFO	sold	530at $150.00	16 Jul 2026filed 17 Jul 2026
Jason K. GarlandCFO	sold	733at $145.00	25 Jun 2026filed 26 Jun 2026
Olivier LoeillotChief Executive Officer	sold	3,832at $140.00	21 Apr 2026filed 22 Apr 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders440+32 on the quarter

New · exited94 · 62

Reported value$8.5B

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
BlackRock, Inc.reduced · filed 7 Aug 2026	5,384,938$734.7M	-608,116−10.1%
FMR LLCadded · filed 13 Aug 2026	3,326,690$453.9M	+439,904+15.2%
UNITED CAPITAL FINANCIAL ADVISORS, LLCadded · filed 17 Aug 2026	2,790,650$380.8M	+16,670+0.6%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	2,411,171$329.0M	+14,660+0.6%
VANGUARD PORTFOLIO MANAGEMENT LLCadded · filed 13 Aug 2026	2,312,825$315.6M	+7,731+0.3%
MAVERICK CAPITAL LTDadded · filed 14 Aug 2026	1,984,554$270.8M	+465,749+30.7%
STATE STREET CORPadded · filed 7 Aug 2026	1,800,530$245.7M	+23,245+1.3%
MASSACHUSETTS FINANCIAL SERVICES COadded · filed 3 Aug 2026	1,617,021$220.6M	+219,506+15.7%
WASATCH ADVISORS LPadded · filed 10 Jul 2026	1,590,251$217.0M	+346,720+27.9%
AMERIPRISE FINANCIAL INCadded · filed 14 Aug 2026	1,576,132$215.0M	+650,918+70.4%