Insider & Political Trading

Official filings, normalized for faster research

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Desk brief

AI Sep 17

Corporate insiders dominated a heavily sell-skewed session, while seven-day cluster selling stood out across several stocks.

Selling dominated the session — The session logged 1,897 filings: 247 buys worth about $380.4M versus 1,650 sells worth about $2.6B. Corporate insiders accounted for 1,880 filings across 471 tickers, compared with 17 congressional filings.

Multiple stocks saw insider clusters — Cluster selling was detected in ZS, where 6 insiders sold about $4.9M, and CRWV, where 4 insiders sold about $72.9M. Other multi-insider selling appeared in IOT, EBAY, TALO, AI, AMAL and NTNX. ZS CRWV IOT EBAY TALO AI AMAL NTNX

XBP drew concentrated buying — XBP was the notable cluster-buying name: 5 insiders bought about $2.4M. Jonovic Andrej was also flagged for an executive purchase of about $89.1K in XBP. XBP Jonovic Andrej

TYRA purchase led buying scale — Over the past 14 days, Ra Capital Management, L.p. made the largest reported purchase, buying about $200.0M of TYRA. RSG led the bought-value list at about $572.7M across 2 filers, while APGE led sold value at about $1.1B across 9 filers. TYRA RSG APGE L.p. Ra Capital Management

The tape to monitor was the contrast between concentrated XBP buying and the broader cluster selling in ZS, CRWV, EBAY, TALO and AMAL. The 14-day totals remained heavily sell-skewed, with about $8.3B sold versus $1.5B bought.

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

Filings · Sep 17

1923

Latest 1 day ago

Disclosed buying · 14d

$1.46B

1143 purchases across 1487 tickers

Disclosed selling · 14d

$8.28B

6840 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 TVTX

8 insiders sold $66.34M 1 day ago

Cluster selling NTRA

5 insiders sold $62.97M 1 day ago

Cluster buying TENX

4 insiders bought $3.12M 1 day ago

Cluster selling RBRK

3 insiders sold $7.05M 1 day ago

Cluster selling PAYS

4 insiders sold $3.73M 1 day ago

Cluster selling PL

3 insiders sold $6.26M 1 day ago

Cluster selling ORCL

6 insiders sold $14.48M 1 day ago

Cluster selling NTNX

4 insiders sold $28.75M 1 day ago

Cluster selling CRWD

4 insiders sold $75.54M 1 day ago

Cluster selling ZS

6 insiders sold $4.93M 1 day ago

Cluster selling CRWV

4 insiders sold $110.93M 1 day ago

Cluster selling IOT

4 insiders sold $4.92M 1 day ago

Disclosure sentiment

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

Accumulation

AMR 26 buys · 0 sells +100

AAT 18 buys · 0 sells +100

RCG 55 buys · 0 sells +100

SUJA 22 buys · 0 sells +100

DLHC 45 buys · 0 sells +100

UUU 32 buys · 0 sells +100

Distribution

DELL 0 buys · 936 sells -100

UTHR 0 buys · 517 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.

8,961 filings

Official insider and political disclosure transactions
Filed	Transaction	Issuer / asset	Reporting person	Qty / price	Value	Source
Aug 14, 2026 1-day lag	Sale Aug 13, 2026	MORN Morningstar, Inc. Common Stock	Mansueto Joseph D Insider Executive Chairman	52 shares @ $205.66 Direct ownership	$10.69K	SEC Form 4
Same filing as the row above	Sale Aug 13, 2026			430 shares @ $198.96 Direct ownership	$85.55K
Same filing as the row above	Sale Aug 13, 2026			52 shares @ $202.09 Direct ownership	$10.51K
Same filing as the row above	Sale Aug 13, 2026			178 shares @ $206.78 Direct ownership	$36.81K
Aug 14, 2026 Same-day filing	Sale Aug 14, 2026	XYZ Block, Inc. Class A Common Stock	Eisen Anthony Mathew Insider Director	6,000 shares @ $82.87 Direct ownership	$497.22K	SEC Form 4
Same filing as the row above	Sale Aug 13, 2026			6,000 shares @ $79.16 Direct ownership	$474.96K
Same filing as the row above	Sale Aug 12, 2026			6,000 shares @ $78.62 Direct ownership	$471.72K
Aug 14, 2026 1-day lag	Award Aug 13, 2026	GSIT Gsi Technology Inc Stock Option (right to buy) on Common Stock	Lasserre Didier H. Insider Director	40,000 shares @ $0 Direct ownership	$0	SEC Form 4
Aug 14, 2026 1-day lag	Gift Aug 13, 2026	TILE Interface Inc Common Stock	Keough Joseph Insider Director	8,442 shares @ $0 Direct ownership	$0	SEC Form 4
Aug 14, 2026 Same-day filing	Sale Aug 14, 2026	AEHR Aehr Test Systems Common Stock	Posedel Rhea J Insider Director	5,973 shares @ $140 Indirect ownership	$836.22K	SEC Form 4
Aug 14, 2026 2-day lag	Sale Aug 12, 2026	SEPN Septerna, Inc. Common Stock	Third Rock Ventures V, L.p. Insider 10% owner	147,059 shares @ $50.27 Direct ownership	$7.39M	SEC Form 4
Same filing as the row above	Sale Aug 12, 2026			141 shares @ $51.08 Direct ownership	$7.2K
Aug 14, 2026 Same-day filing	Award Aug 14, 2026	CAI Caris Life Sciences, Inc. Common Stock	Gilliam Joseph E Insider Director	13,192 shares @ $0 Direct ownership	$0	SEC Form 4
Aug 14, 2026 Same-day filing	Award Aug 14, 2026	CAI Caris Life Sciences, Inc. Common Stock	Johansen Laura I Insider Director	13,192 shares @ $0 Direct ownership	$0	SEC Form 4
Aug 14, 2026 60-day lag	Award Jun 15, 2026	CNK Cinemark Holdings, Inc. Common Stock	Humrichouse Ximena G Insider Director	5,439 shares @ $0 Direct ownership	$0	SEC Form 4
Aug 14, 2026 1-day lag	Award Aug 13, 2026	BGLC Bionexus Gene Lab Corp Common Shares	Chong Set Fui Insider Chief Financial Officer	96,774 shares Direct ownership	Not reported	SEC Form 4
Aug 14, 2026 Same-day filing	Sale Aug 14, 2026	CWST Casella Waste Systems Inc Class A Common Stock	Casella Douglas R Insider Vice Chairman, Bd Of Directors	1,343 shares @ $91.12 Direct ownership	$122.37K	SEC Form 4
Same filing as the row above	Sale Aug 13, 2026			13,319 shares @ $91.07 Direct ownership	$1.21M
Same filing as the row above	Sale Aug 13, 2026			1,838 shares @ $90.89 Direct ownership	$167.06K
Aug 14, 2026 2-day lag	Sale Aug 12, 2026	PACS Pacs Group, Inc. Common Stock	Jergensen Joshua Insider President & COO	36,375 shares @ $45.7 Direct ownership	$1.66M	SEC Form 4
Same filing as the row above	Sale Aug 12, 2026			3,625 shares @ $44.53 Direct ownership	$161.42K
Aug 14, 2026 1-day lag	Sale Aug 13, 2026	CWT California Water Service Group Common Stock	Krummel Thomas M Insider Director	3,700 shares @ $50.37 Direct ownership	$186.35K	SEC Form 4
Aug 14, 2026 60-day lag	Award Jun 15, 2026	CNK Cinemark Holdings, Inc. Common Stock	Rosenberg Steve Insider Director	5,439 shares @ $0 Direct ownership	$0	SEC Form 4
Aug 14, 2026 2-day lag	Sale Aug 12, 2026	SEPN Septerna, Inc. Common Stock	Ra Capital Management, L.p. Insider Director / Ten Percent Owner	746,500 shares @ $42.5 Indirect ownership	$31.73M	SEC Form 4
Same filing as the row above	Sale Aug 12, 2026			746,500 shares @ $42.5 Indirect ownership	$31.73M