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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.

69,047 filings

Official insider and political disclosure transactions
Filed Transaction Issuer / asset Reporting person Qty / price Value Source Actions
Sep 16, 2026 2-day lag Sale Sep 14, 2026 Class C Common Stock Silver Lake Technology Investors ... Insider Director / Ten Percent Owner 26 shares @ $532.62 Indirect ownership $13.85K SEC Form 4
Sep 16, 2026 2-day lag Buy Sep 14, 2026 Common Stock Nippon Life Insurance Co Insider 10% owner 295,967 shares @ $34.86 Direct ownership $10.32M SEC Form 4
Sep 16, 2026 2-day lag Sale Sep 14, 2026 Common Stock Key John P. Insider Director 2,500 shares @ $376.03 Direct ownership $940.08K SEC Form 4
Sep 16, 2026 1-day lag Sale Sep 15, 2026 Common Stock Bawa Aparna Insider Director 500 shares @ $377.18 Indirect ownership $188.59K SEC Form 4
Same filing as the row above Sale Sep 14, 2026 1,000 shares @ $373.61 Indirect ownership $373.61K
Sep 16, 2026 2-day lag Sale Sep 14, 2026 Class C Common Stock Silver Lake Partners Iv, L.p. Insider Director / Ten Percent Owner 7,312 shares @ $531.63 Indirect ownership $3.89M SEC Form 4
Same filing as the row above Sale Sep 14, 2026 4,750 shares @ $535.5 Direct ownership $2.54M
Same filing as the row above Sale Sep 14, 2026 531 shares @ $540.18 Indirect ownership $286.84K
Same filing as the row above Sale Sep 14, 2026 91 shares @ $543.04 Indirect ownership $49.42K
Same filing as the row above Sale Sep 14, 2026 598 shares @ $542.13 Indirect ownership $324.19K
Same filing as the row above Sale Sep 14, 2026 1,674 shares @ $534.55 Indirect ownership $894.84K
Same filing as the row above Sale Sep 14, 2026 4,936 shares @ $530.67 Indirect ownership $2.62M
Same filing as the row above Sale Sep 14, 2026 2,851 shares @ $539 Indirect ownership $1.54M
Same filing as the row above Sale Sep 14, 2026 2,837 shares @ $532.62 Indirect ownership $1.51M
Same filing as the row above Exercise Sep 14, 2026 37,750 shares Indirect ownership Not reported
Same filing as the row above Sale Sep 14, 2026 615 shares @ $536.74 Indirect ownership $330.1K
Same filing as the row above Sale Sep 14, 2026 1,269 shares @ $535.76 Indirect ownership $679.88K
Same filing as the row above Sale Sep 14, 2026 2,551 shares @ $543.47 Direct ownership $1.39M
Same filing as the row above Sale Sep 14, 2026 799 shares @ $544.51 Direct ownership $435.06K
Same filing as the row above Exercise Sep 14, 2026 Class B Common Stock on Class C Common Stock 37,750 shares @ $0 Indirect ownership $0
Same filing as the row above Sale Sep 14, 2026 Class C Common Stock 1,981 shares @ $537.94 Indirect ownership $1.07M
Same filing as the row above Sale Sep 14, 2026 503 shares @ $540.82 Indirect ownership $272.03K
Same filing as the row above Sale Sep 14, 2026 1,963 shares @ $533.8 Indirect ownership $1.05M
Sep 16, 2026 1-day lag Buy Sep 15, 2026 Common Stock, par value $0.001 per share Archer James Bradley Insider Director And CEO And President 13,385 shares @ $18.69 Direct ownership $250.17K SEC Form 4
Sep 16, 2026 2-day lag Sale Sep 14, 2026 Class C Common Stock Silver Lake Partners V De (aiv), ... Insider Director / Ten Percent Owner 314 shares @ $542.13 Indirect ownership $170.23K SEC Form 4
Silver Lake Technology Investors V, L.p. Insider Director / Ten Percent Owner
Sale
Calculated transaction value
$13.85K
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Quantity / price
26 shares @ $532.62
Silver Lake Partners V De (aiv), L.p. Insider Director / Ten Percent Owner
Sale
Calculated transaction value
$170.23K
Traded
Sep 14, 2026
Filed
Sep 16, 2026
Quantity / price
314 shares @ $542.13