Insider & Political Trading

Official filings, normalized for faster research

Previous-day view · Thu Sep 17 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in

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 about 24 hours 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 about 24 hours ago

Cluster selling NTRA

5 insiders sold $62.97M about 24 hours ago

Cluster buying TENX

4 insiders bought $3.12M about 24 hours 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.

70 filings

Official insider and political disclosure transactions
Filed	Transaction	Issuer / asset	Reporting person	Qty / price	Value	Source
Sep 17, 2026 1-day lag	Sale Sep 16, 2026	ZS Zscaler, Inc. Common Stock	Chaudhry Jagtar Singh Insider CEO & Chairman	2,852 shares @ $192.76 Direct ownership	$549.76K	SEC Form 4
Sep 17, 2026 1-day lag	Sale Sep 16, 2026	ZS Zscaler, Inc. Common Stock	Rubin Kevin Insider Chief Financial Officer	5,957 shares @ $192.76 Direct ownership	$1.15M	SEC Form 4
Same filing as the row above	Award Sep 15, 2026			8,349 shares @ $0 Direct ownership	$0
Sep 17, 2026 Same-day filing	Sale Sep 17, 2026	ZS Zscaler, Inc. Common Stock	Geller Adam Insider Chief Product Officer	4,584 shares @ $192.01 Direct ownership	$880.17K	SEC Form 4
Same filing as the row above	Sale Sep 16, 2026			5,578 shares @ $192.76 Direct ownership	$1.08M
Same filing as the row above	Award Sep 15, 2026			6,817 shares @ $0 Direct ownership	$0
Sep 17, 2026 1-day lag	Sale Sep 16, 2026	ZS Zscaler, Inc. Commom Stock	Rich Michael J. Insider CRO And President Of Ww Sales	4,108 shares @ $192.76 Direct ownership	$791.87K	SEC Form 4
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 15, 2026 4-day lag	Exercise Sep 12, 2026	HQ Horizon Quantum Holdings Ltd. Restricted Stock Unit on Class A Ordinary Shares	Fitzsimons Catherine Michele Insider Cl And Co	2,148 shares @ $0 Direct ownership	$0	SEC Form 4
Same filing as the row above	Disposition Sep 12, 2026 Class A Ordinary Shares			1,122 shares @ $15.22 Direct ownership	$17.08K
Same filing as the row above	Exercise Sep 12, 2026			2,148 shares @ $0 Direct ownership	$0
Same filing as the row above	Award Jun 12, 2026 Restricted Stock Unit on Class A Ordinary Shares			34,372 shares @ $0 Direct ownership	$0
Sep 15, 2026 4-day lag	Exercise Sep 12, 2026	HQ Horizon Quantum Holdings Ltd. Restricted Stock Unit on Class A Ordinary Shares	Fitzsimons Joseph Francis Insider Chief Executive Officer	14,321 shares @ $0 Direct ownership	$0	SEC Form 4
Same filing as the row above	Exercise Sep 12, 2026 Class A Ordinary Shares			14,321 shares @ $0 Direct ownership	$0
Same filing as the row above	Disposition Sep 12, 2026			3,438 shares @ $15.22 Direct ownership	$52.33K
Same filing as the row above	Award Jun 12, 2026 Restricted Stock Unit on Class A Ordinary Shares			229,148 shares @ $0 Direct ownership	$0
Aug 31, 2026 4-day lag	Award Aug 27, 2026	XRN Chiron Real Estate Inc. Option (Right to buy) on Common Stock	Whitlock Matthew Fitzsimmons Insider Chief Investment Officer	28,626 shares @ $0 Direct ownership	$0	SEC Form 4
Aug 26, 2026 833-day lag	Exercise May 15, 2024	TE T1 Energy Inc. Common Stock	Matrai Balazs Peter Insider Director	744,431 shares @ $0.95 Direct ownership	$707.21K	SEC Form 4
Same filing as the row above	Disposition May 15, 2024			351,845 shares @ $2.01 Direct ownership	$707.21K
Same filing as the row above	Exercise May 15, 2024 Warrants on Shares of Common Stock			744,431 shares @ $0 Direct ownership	$0
Aug 26, 2026 1-day lag	Sale Aug 25, 2026	ZS Zscaler, Inc. Common Stock	Rubin Kevin Insider Chief Financial Officer	48 shares @ $174.54 Direct ownership	$8.38K	SEC Form 4
Same filing as the row above	Sale Aug 25, 2026			66 shares @ $175.78 Direct ownership	$11.6K
Same filing as the row above	Sale Aug 25, 2026			291 shares @ $172.53 Direct ownership	$50.21K
Same filing as the row above	Sale Aug 25, 2026			6 shares @ $176.49 Direct ownership	$1.06K

Chaudhry Jagtar Singh Insider CEO & Chairman

Sale

ZS Zscaler, Inc.

Calculated transaction value

$549.76K

Traded

Sep 16, 2026

Filed

Sep 17, 2026

Quantity / price

2,852 shares @ $192.76

SEC Form 4