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.

3,903 filings

Official insider and political disclosure transactions
Filed	Transaction	Issuer / asset	Reporting person	Qty / price	Value	Source
Sep 17, 2026 3-day lag	Exercise Sep 15, 2026	APLM Apollomics Inc. CLASS A ORDINARY SHARES	Tsai Hsien-shu Insider Director	500 shares @ $0 Direct ownership	$0	SEC Form 4
Same filing as the row above	Exercise Sep 15, 2026 Restricted Stock Units on CLASS A ORDINARY SHARES			500 shares @ $0 Direct ownership	$0
Same filing as the row above	Award Sep 14, 2026 Stock Option (Right to Buy) on CLASS A ORDINARY SHARES			2,000 shares @ $0 Direct ownership	$0
Sep 17, 2026 2-day lag	Disposition Sep 16, 2026	ISCO International Stem Cell Corp Stock Options on Common Stock	Maier Paul V Insider Director	30,000 shares @ $0 Direct ownership	$0	SEC Form 4
Sep 17, 2026 2-day lag	Sale Sep 15, 2026	KTOS Kratos Defense & Security Solutions, Inc. Common Stock	Carrai Phillip D Insider President, Stc Division	3,380 shares @ $48.17 Direct ownership	$162.81K	SEC Form 4
Same filing as the row above	Sale Sep 15, 2026			2,700 shares @ $47.24 Direct ownership	$127.55K
Same filing as the row above	Sale Sep 15, 2026			420 shares @ $48.89 Direct ownership	$20.53K
Sep 17, 2026 2-day lag	Disposition Sep 15, 2026	AI C3.ai, Inc. Class A Common Stock	Hyten John E. Insider Director	2,500 shares @ $10.79 Direct ownership	$26.98K	SEC Form 4
Same filing as the row above	Disposition Aug 14, 2026			2,500 shares @ $9.93 Direct ownership	$24.82K
Sep 17, 2026 Same-day filing	Gift Sep 17, 2026	AI C3.ai, Inc. Class A Common Stock	Lath Hitesh Insider Chief Financial Officer	15,930 shares @ $0 Indirect ownership	$0	SEC Form 4
Same filing as the row above	Gift Sep 17, 2026			15,930 shares @ $0 Direct ownership	$0
Same filing as the row above	Gift Sep 16, 2026			29,856 shares @ $0 Indirect ownership	$0
Same filing as the row above	Gift Sep 16, 2026			29,856 shares @ $0 Direct ownership	$0
Same filing as the row above	Sale Sep 16, 2026			21,077 shares @ $10.48 Direct ownership	$220.89K
Same filing as the row above	Exercise Sep 15, 2026			1,000 shares Direct ownership	Not reported
Same filing as the row above	Exercise Sep 15, 2026 Restricted Stock Units on Class A Common Stock			8,007 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026			20,000 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026			1,000 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026 Class A Common Stock			20,000 shares Direct ownership	Not reported
Same filing as the row above	Exercise Sep 15, 2026			8,007 shares Direct ownership	Not reported
Sep 17, 2026 1-day lag	Sale Sep 16, 2026	AI C3.ai, Inc. Class A Common Stock	Siebel Thomas M Insider CEO And Chairman Of The Board	162,247 shares @ $10.54 Direct ownership	$1.71M	SEC Form 4
Same filing as the row above	Exercise Sep 16, 2026			162,247 shares @ $3.9 Direct ownership	$632.76K
Same filing as the row above	Exercise Sep 16, 2026 Stock Option (Right to Buy) on Class A Common Stock			162,247 shares @ $0 Direct ownership	$0
Same filing as the row above	Exercise Sep 15, 2026 Class A Common Stock			282,001 shares @ $3.9 Direct ownership	$1.1M
Same filing as the row above	Exercise Sep 15, 2026 Stock Option (Right to Buy) on Class A Common Stock			282,001 shares @ $0 Direct ownership	$0

Tsai Hsien-shu Insider Director

Exercise

APLM Apollomics Inc.

Calculated transaction value

Traded

Sep 15, 2026

Filed

Sep 17, 2026

Quantity / price

500 shares @ $0

SEC Form 4