Insider trading statistics

Month by month, as filed on Form 4s

Bought$582M216 buys Sold$3.0B684 sales Months12on record

By month

The record reaches back to trades made on Oct 7, 2025.

Insider buys and sales by month
Month	Bought	Sold	Ratio
Oct 2026October 2026Updated Oct 26, 2026	$582M216 buys	$3.0B684 sales	0.32
Sep 2026September 2026Published Oct 1, 2026	$1.9B1,252 buys	$7.1B2,855 sales	0.44
Aug 2026August 2026Published Sep 1, 2026	$1.3B1,419 buys	$13B4,298 sales	0.33
Jul 2026July 2026Published Aug 1, 2026	$1.7B617 buys	$3.1B1,430 sales	0.43
Jun 2026June 2026Published Jul 1, 2026	$1.1B895 buys	$17B4,125 sales	0.22
May 2026May 2026Published Jun 1, 2026	$1.5B964 buys	$14B3,353 sales	0.29
Apr 2026April 2026Published May 1, 2026	$351M311 buys	$6.3B1,411 sales	0.22
Mar 2026March 2026Published Apr 1, 2026	$1.2B955 buys	$18B3,233 sales	0.30
Feb 2026February 2026Published Mar 1, 2026	$659M552 buys	$9.9B3,180 sales	0.17
Jan 2026January 2026Published Feb 1, 2026	$889M261 buys	$3.6B1,153 sales	0.23
Dec 2025December 2025Published Jan 1, 2026	$1.1B527 buys	$7.6B2,075 sales	0.25
Nov 2025November 2025Published Dec 1, 2025	$713M979 buys	$16B2,839 sales	0.34

As of Oct 26, 2026: insiders filed 216 buys and 684 sales in October 2026 so far.

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CEOs and CFOs who bought after a fall

In the 12 months on record, CEOs and CFOs bought $533M of their companies' stock within 10 trading days of a 20% fall in a month, 311 times at 272 companies. 90 trading days after the last purchase, the median stock was 5.3% above the price paid (99 of 173 higher).

CEO and CFO purchases after a fall
Stock	Bought by	Bought	Fall	From low	90 days	Traded
TTDThe Trade DeskJeffrey Green, CEO	Jeffrey GreenCEO	$148Mat $24.68	-20.4%Jan 30	+17.1%$21.08	-23.3%Jul 14	Mar 2to Mar 4
COE51Talk Online EducationJack Huang, CEO	Jack HuangCEO	$105Mat $16.45	-21.6%Jun 12	+12.2%$14.66	Not yet	Jun 12to Jul 28
SMMTSummit TherapeuticsRobert Duggan, CEO and 2 more	Robert DugganCEO and 2 more	$52.2Mat $13.17	-30.9%May 15	+5.0%$12.55	+20.2%Oct 21	Jun 4to Jun 12

308 more purchases after a fall, for Pro members. See them free →

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Insiders who sold before a fall

In the 12 months on record, insiders sold $19B of their companies' stock in the 30 trading days before a 20% fall in a month, 3,600 times at 946 companies; 47% of those dollars were under plans set in advance.

Insider sales before a fall
Stock	Sold by	Sold	Plan	Fall	To the low	Traded
NRGNRG EnergyDavid Nanus10% owner	David Nanus10% owner	$2.6Bat $164.00	–	-20.4%Mar 26	-13.9%Mar 30	Mar 42 salesSEC filing
BIRKBirkenstockJames ChuDirector	James ChuDirector	$1.1Bat $39.18	–	-20.5%Sep 9	-23.4%Sep 15	Aug 171 saleSEC filing
RCLRoyal CaribbeanArne WilhelmsenDirector	Arne WilhelmsenDirector	$550Mat $317.40	–	-23.3%Mar 12	-16.9%Mar 20	Feb 13 to 2785 salesSEC filing

3,597 more insiders who sold before a fall, for Pro members. See them free →

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Insider trades where the score moved

At the 23 companies whose Quality Score fell 10 points or more in October 2026 so far, insiders bought $1.2M and sold $29.9M; at the 42 whose score rose 10 points or more, they bought $100K and sold $584K.

Insider trades at the companies whose Quality Score moved 10 points or more in a month
Quality Score	Companies	Bought	Sold
Fell 10 or more23 companies, OctOctober 2026, so far	23	$1.2M1 purchase	$29.9M42 sales
Rose 10 or more42 companies, OctOctober 2026, so far	42	$100K1 purchase	$584K2 sales

How these are made

A fall. A close 20% or more below the close 21 trading days before. It lasts while that holds, and the 10 trading days after; a company counts once a fall.
The purchases. Shares the company's CEO or CFO bought on the market, on the fall's first day or within the 10 trading days after its last, added up at their average price. Never a grant, an option exercise, a company plan's purchase, a purchase made under a 10b5-1 plan set in advance, or shares bought in an offering. A price more than 10% outside that day's trading range is left out, and the same purchase filed by two people (a couple's joint holding) counts once.
90 days later. The close 90 trading days after the last purchase, against the price paid, once those days have passed. The 52-week low is the lowest price in the 252 trading days to the last purchase.
The sales before a fall. Shares officers, directors, and 10% owners sold on the market in the 30 trading days before the first day of a 20% fall measured over 21 trading days, placed by the day of the trade, never a day inside a fall. People only: a sale filed by a fund or a company is left out. Each person counts once a fall at each company, their sales added up at their average price. A fall whose 30 days begin before the record does is left out.
Under a plan. A sale under a 10b5-1 plan is one the filer scheduled earlier, in a plan set in advance, as the Form 4 marks it. The Plan tag marks those sales, and the share is of the dollars.
To the low. The fall's lowest close, from its first day to 10 trading days after its last, against the average price sold at. While the fall lasts, it is the lowest so far.
Where the score moved. Each company's Quality Score at a month's last close against the close of the month before, both as recorded that day. The trades beside them are those insiders filed in the month, by the filing's day.