The Insider Ledger

Weekly intelligence from public SEC filings

Nothing on this site is investment advice. It is an automated research digest of public SEC filings.

Microsoft (MSFT)

Sector: software_internet · Tracking since 2026-05-15

What am I looking at?

Everything on this page comes from public SEC filings that name this company. The cards show the automated signal score, net insider activity (open-market buys minus sells over the last 90 days), distinct insider buyers, and watchlist institutions currently holding the stock. The timeline lists each transaction row with a link to the original filing.

insider_buy / insider_sell
An officer or director traded on the open market (Form 4). Scheduled 10b5-1 plan trades are noted and treated as low-signal.
13f_new / 13f_add / 13f_trim / 13f_exit
A watchlist fund opened, increased, reduced, or closed a position between quarterly 13F reports — these become public up to 45 days after the quarter ends.
13d_filed
An investor crossed 5% ownership with activist intent (Schedule 13D).
50
Signal score
−$7.3M
Net insider value 90d
0
Insider buyers 90d
4
Watchlist holders

Watchlist holders

Analysis

Microsoft CMO sells $2.4M outside a 10b5-1 plan weak (2026-W32)

EVP and Chief Marketing Officer Takeshi Numoto sold 4,810.353 shares for about $2.39M at a weighted-average price of $496.48 (event 0000789019-26-000141:0). Unlike every other transaction on this week's tape, the filing does not check the Rule 10b5-1 box, making this a discretionary rather than a pre-scheduled sale. It is still a disposal, not a purchase, so it does not meet the bar for a positive signal — but it is worth distinguishing from the routine plan-based selling elsewhere this week since the timing was Numoto's own choice.

Insider tape is one-sided again: 21 sales, zero buys weak (2026-W34)

All 21 insider transactions filed this week are sales, with zero purchases across the watchlist. Microsoft EVP Judson Althoff sold $4.88M and Meta CFO Susan Li sold $1.47M, neither flagged as 10b5-1; AMD's Paul Darren Grasby sold $7.72M, also without a plan flag — the single largest discretionary insider sale of the week. The rest — Meta COO Javier Olivan (~$1.02M across nine lines), Meta director Marc Andreessen (~$251K across four lines), Amazon's Douglas Herrington (~$983K across three lines), and AMD's Mark Papermaster ($3.59M) and Ava Hahn ($67.9K) — are all explicit 10b5-1 plan sales. Combined, roughly $19.98M of insider selling this week and no offsetting purchase from any watched actor.

Filing timeline

FiledActorEventSharesValue ($)Source
2026-08-14tci13f_exit00filing
2026-08-14coatue13f_new320,186119,435,782filing
2026-08-14coatue13f_new136,20650,807,562filing
2026-08-14appaloosa13f_exit00filing
2026-08-14fundsmith13f_trim1,596,737595,614,836filing
2026-08-06althoff-judsoninsider_sell10,0004,878,930filing
2026-08-05numoto-takeshiinsider_sell4,810.3532,388,244filing
2026-05-15pershing-square13f_new5,654,0782,092,970,053filing
2026-05-15tci13f_trim2,728,4121,009,976,270filing
2026-05-15appaloosa13f_trim90,00033,315,300filing
2026-05-15tiger-global13f_trim2,500,000925,425,000filing