Insider & Political Trading

Official filings, normalized for faster research

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Desk brief

AI Sep 18

The tape was heavily skewed to sales, with $2.0B sold versus roughly $302.4M bought across 1,515 filings.

Shen Ching Hang bought CV — Shen Ching Hang bought roughly $5.0M of CV, triggering both the $1M-plus insider-buy and 10% owner-adding signals. CV Shen Ching Hang

Insider selling clusters dominated — Seven RVMD insiders sold roughly $28.7M across seven filers, the largest detected selling cluster. Other notable clusters included four insiders selling about $32.2M of ADBE and four selling roughly $3.1M of BE. RVMD ADBE BE

Insiders clustered into GAM — Three GAM insiders bought roughly $284.9K; Priest Jeffrey W bought about $93.8K, triggering both the cluster-buying and executive-buy signals. GAM Priest Jeffrey W

Recent leaders stayed concentrated — The 14-day leaders were RSG at roughly $453.6M bought across two filers and DELL at about $782.7M sold across nine filers. Ra Capital Management, L.p. reported the largest purchase, roughly $200.0M of TYRA. RSG DELL TYRA L.p. Ra Capital Management

The detected tape was broader on the sell side, with additional clusters in CORT, GTLB and UBER. The session included 17 congressional filings and 1,498 corporate-insider filings, but the disclosed details were dominated by corporate activity.

AI-generated from the filings on this page — not financial advice.

Filings · Sep 18

1011

Latest 2 days ago

Disclosed buying · 14d

$1.21B

1113 purchases across 1413 tickers

Disclosed selling · 14d

$7.3B

6187 sales and dispositions

Tape lean · 14d

Heavy selling

Largest buy: TYRA $199.99M

Disclosure flow

Value filed per session · last 60 days

Where the money went

By disclosed value · 14 days · click a bar for the filings

Most bought

Most sold

Signals

Fixed rules over the last 21 days — see each card for why it fired

Cluster selling FLY

4 insiders sold $2.5M 2 days ago

Cluster selling TEM

5 insiders sold $17.12M 2 days ago

Cluster buying RWT

4 insiders bought $1.31M 2 days ago

Executive buy RWT

3 executives bought $1.12M 2 days ago

Cluster selling DUOL

3 insiders sold $6.91M 2 days ago

Cluster selling CORT

6 insiders sold $11.65M 2 days ago

Cluster selling BBNX

5 insiders sold $2.86M 2 days ago

Cluster selling BE

4 insiders sold $3.14M 2 days ago

Cluster selling ADBE

4 insiders sold $32.21M 3 days ago

$1M+ insider buy CV

Shen Ching Hang bought $5M 3 days ago

10% owner adding CV

Shen Ching Hang added $5M 3 days ago

Cluster selling RVMD

8 insiders sold $43.63M 3 days ago

Disclosure sentiment

Who is buying against who is selling · 90 days · −100 to +100

Accumulation

RCG 56 buys · 0 sells +100

AMR 26 buys · 0 sells +100

AAT 18 buys · 0 sells +100

DLHC 47 buys · 0 sells +100

SUJA 22 buys · 0 sells +100

BGDE 29 buys · 0 sells +100

Distribution

DELL 0 buys · 1005 sells -100

UTHR 0 buys · 533 sells -100

CRWV 0 buys · 795 sells -100

SE 0 buys · 516 sells -100

STX 0 buys · 309 sells -100

CHYM 0 buys · 317 sells -100

Bullish and bearish sectors

Net disclosed value · 30 days

Buying extends right, selling left. A company in more than one industry counts in each.

9,092 filings

Official insider and political disclosure transactions
Filed	Transaction	Issuer / asset	Reporting person	Qty / price	Value	Source
Sep 17, 2026 3-day lag	Sale Sep 15, 2026	CBLL Ceribell, Inc. Common Stock	Chao Xingjuan Insider President And CEO	20,846 shares @ $25.03 Direct ownership	$521.78K	SEC Form 4
Sep 17, 2026 3-day lag	Sale Sep 15, 2026	CBLL Ceribell, Inc. Common Stock	Blumberg Scott Insider Chief Financial Officer	846 shares @ $25 Direct ownership	$21.15K	SEC Form 4
Same filing as the row above	Exercise Sep 15, 2026			846 shares @ $9.41 Direct ownership	$7.96K
Same filing as the row above	Exercise Sep 15, 2026 Stock Option (Right to Buy) on Common Stock			846 shares @ $0 Direct ownership	$0
Sep 17, 2026 1-day lag	Sale Sep 16, 2026	ZS Zscaler, Inc. Common Stock	Schlossman Robert Insider Chief Legal Officer	2,325 shares @ $192.76 Direct ownership	$448.17K	SEC Form 4
Sep 17, 2026 Same-day filing	Sale Sep 17, 2026	ZS Zscaler, Inc. Commom Stock	Beer James A Insider Director	177 shares @ $192.01 Direct ownership	$33.99K	SEC Form 4
Sep 17, 2026 2-day lag	Disposition Sep 15, 2026	IOT Samsara Inc. Class A Common Stock	Kirchhoff Benjamin Louis Insider Chief Accounting Officer	1,514 shares @ $42.91 Direct ownership	$64.97K	SEC Form 4
Same filing as the row above	Sale Sep 15, 2026			2,165 shares @ $42.55 Direct ownership	$92.12K
Sep 17, 2026 2-day lag	Exercise Sep 15, 2026	EBAY Ebay Inc Restricted Stock Units -6 on Common Stock	Spencer Rebecca Insider VP, Chief Accounting Officer	555 shares @ $0 Direct ownership	$0	SEC Form 4
Same filing as the row above	Exercise Sep 15, 2026 Common Stock			919 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026 Restricted Stock Units -5 on Common Stock			373 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026 Common Stock			752 shares @ $0 Direct ownership	$0
Same filing as the row above	Disposition Sep 15, 2026			227 shares @ $108.03 Direct ownership	$24.52K
Same filing as the row above	Exercise Sep 15, 2026 Restricted Stock Units -10 on Common Stock			582 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026 Common Stock			205 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026 Restricted Stock Units -8 on Common Stock			752 shares @ $0 Direct ownership	$0
Same filing as the row above	Disposition Sep 15, 2026 Common Stock			207 shares @ $108.03 Direct ownership	$22.36K
Same filing as the row above	Exercise Sep 15, 2026 Restricted Stock Units -9 on Common Stock			188 shares @ $0 Direct ownership	$0
Same filing as the row above	Disposition Sep 15, 2026 Common Stock			139 shares @ $108.03 Direct ownership	$15.02K
Same filing as the row above	Disposition Sep 15, 2026			347 shares @ $108.03 Direct ownership	$37.49K
Same filing as the row above	Disposition Sep 15, 2026			73 shares @ $108.03 Direct ownership	$7.89K
Same filing as the row above	Exercise Sep 15, 2026			188 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026			582 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026 Restricted Stock Units -11 on Common Stock			205 shares @ $0 Direct ownership	$0
Same filing as the row above	Disposition Sep 15, 2026 Common Stock			80 shares @ $108.03 Direct ownership	$8.64K