Insider trading data from SEC Form 4

Lycia Therapeutics, Inc. (LYCA) had the largest open-market insider buying this week: 9 insiders purchased $338,885,022 of stock. Watch Insiders tracks 2,648 tickers and 7,486 insiders with SEC Form 4 open-market trades in the last 90 days.

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Open-market purchases

Top insider buys this week

Stocks ranked by the total value of open-market purchases their insiders reported on SEC Form 4.

Top open-market insider purchases by ticker
Ticker	Company	Insider buyers	Purchase value	Latest purchase
LYCA	Lycia Therapeutics, Inc.	9	$338,885,022	Oct 27, 2026
DOLE	Dole plc	5	$42,772,045	Oct 22, 2026
MSM	MSC Industrial Direct Co., Inc.	2	$29,034,304	Oct 23, 2026
CRBG	Corebridge Financial Inc	1	$28,893,626	Oct 23, 2026
LRN	Stride Inc	2	$24,356,245	Oct 26, 2026
GPI	Group 1 Automotive, Inc.	1	$24,232,210	Oct 26, 2026
CTEV	Claritev Corp	11	$20,137,285	Oct 26, 2026
SRRK	Scholar Rock Holding Corp	1	$11,999,921	Oct 26, 2026
OPTU	Optimum Communications, Inc.	4	$4,653,861	Oct 23, 2026
NPB	NORTHPOINTE BANCSHARES INC	4	$3,309,341	Oct 26, 2026
BPRE	Bluerock Private Real Estate Fund	1	$2,126,088	Oct 23, 2026
KRRO	Korro Bio Inc.	2	$1,769,509	Oct 26, 2026
RAPP	Rapport Therapeutics Inc.	5	$1,521,274	Oct 23, 2026
PLUR	Pluri Inc	1	$1,250,001	Oct 23, 2026
PRTA	Prothena Corporation plc	1	$1,222,050	Oct 23, 2026
AIOK	AI OKTO Corp.	1	$1,059,604	Oct 23, 2026
CITR	CitroTech Inc.	2	$1,000,000	Oct 22, 2026
SAMG	Silvercrest Asset Management Group Inc	2	$705,371	Oct 22, 2026
THRM	Gentherm Inc	2	$662,600	Oct 23, 2026
TIPT	Tiptree Inc	1	$502,303	Oct 23, 2026

Source: SEC Form 4 filings. SEC-reported filing activity is provided for research purposes and is not investment advice.