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Insider & Political Trading

Official filings, normalized for faster research
All activity Politicians Insiders
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.

7 filings

Filed Transaction Issuer / asset Reporting person Qty / price Value Source
Sep 17, 2026 2-day lag Buy Sep 15, 2026
TYRA Tyra Biosciences, Inc.
Pre-Funded Warrants (Right to Buy) on Common ... 		Ra Capital Management, L.p. Insider Director / Ten Percent Owner 9,078,529 shares @ $22.03 Indirect ownership $199.99M SEC Form 4
Sep 14, 2026 4-day lag Award Sep 10, 2026
ARTV Artiva Biotherapeutics, Inc.
Director Stock Option (Right to Buy) on Commo... 		Ra Capital Management, L.p. Insider Director / Ten Percent Owner 16,250 shares @ $0 Indirect ownership $0 SEC Form 4
Sep 8, 2026 Same-day filing Award Sep 8, 2026
ARTV Artiva Biotherapeutics, Inc.
Director Stock Option (Right to Buy) on Commo... 		Ra Capital Management, L.p. Insider Director / Ten Percent Owner 13,750 shares @ $0 Indirect ownership $0 SEC Form 4
Aug 26, 2026 2-day lag Exercise Aug 24, 2026
VOR Vor Biopharma Inc.
Stock Option (Right to Buy) on Common Stock 		Ra Capital Management, L.p. Insider 10% owner 1,500 shares @ $0 Indirect ownership $0 SEC Form 4
Exercise Aug 24, 2026 Common Stock 1,500 shares @ $3.74 Indirect ownership $5.6K
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
Sale Aug 12, 2026 746,500 shares @ $42.5 Indirect ownership $31.73M
Ra Capital Management, L.p. Insider Director / Ten Percent Owner
Sale
SEPN Septerna, Inc.
Calculated transaction value
$31.73M
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Quantity / price
746,500 shares @ $42.5
SEC Form 4
View filing Trade details
Ra Capital Management, L.p. Insider Director / Ten Percent Owner
Sale
SEPN Septerna, Inc.
Calculated transaction value
$31.73M
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Quantity / price
746,500 shares @ $42.5
SEC Form 4
View filing Trade details

Showing 1 to 7 of 7 entries

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