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Who

Michael L. Speiser

Director

Company insider

Files Form 4 as: Director and 10% owner, Snowflake; Director, Workday; Director and 10% owner, Everpure; 10% owner, Forty Seven; 10% owner, Yext; 10% owner, Restoration Robotics; 10% owner, Mattersight; 10% owner, Threshold Pharmaceuticals.

Every Form 4 they filed

In numbers

Trades disclosed
898
Buys
28
Sells
52
Bought
$20.2M
Sold
$1.0B
Companies
10
Companies where not an officer
10
First trade
12 May 2008
Last trade
2 Oct 2026
Last filed
2 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
SNOW SnowflakeDirector, 10% owner · Software · last 2 Oct 20261 buy · 27 sells
WDAY WorkdayDirector · Payments & Processors · last 16 Jun 20260 buys · 0 sells
P EverpureDirector, 10% owner · Hardware, Devices & Storage · last 20 Jun 20190 buys · 20 sells
Forty Seven10% owner · last 2 Jul 20181 buy · 0 sells
YEXT Yext10% owner · Payments & Processors · last 1 Dec 20170 buys · 0 sells
Restoration Robotics10% owner · last 16 Oct 20170 buys · 0 sells
Mattersight10% owner · last 1 Jun 201722 buys · 2 sells
Threshold Pharmaceuticals10% owner · last 1 Oct 20141 buy · 3 sells
Cardica10% owner · last 20 Mar 20132 buys · 0 sells
CORT Corcept Therapeutics10% owner · Pharmaceuticals · last 29 Mar 20121 buy · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
30Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
2 Oct 2026filed 2 Oct 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$139K403 at $344.00filing
2 Oct 2026filed 2 Oct 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$4.5M12,973 at $344.00filing
2 Oct 2026filed 2 Oct 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$289K840 at $344.00filing
2 Oct 2026filed 2 Oct 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$289K840 at $344.00filing
2 Oct 2026filed 2 Oct 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$289K840 at $344.00filing
2 Oct 2026filed 2 Oct 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$289K840 at $344.00filing
2 Oct 2026filed 2 Oct 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$11.7M34,005 at $344.00filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$143K403 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$4.6M12,973 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$297K840 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$297K840 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$297K840 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$297K840 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$12.0M34,005 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$143K403 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$4.6M12,973 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$297K840 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$297K840 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$297K840 at $353.87filing
4 Sep 2026filed 9 Sep 2026SNOW SnowflakeSoftwareSEC FORM 4 Sold$297K840 at $353.87filing

The newest 500 lines are listed; the numbers count every line.

Sectors

Technology48
Health Care1
Not placed31

Buys in green, sells in red, by the company’s sector.

Related people

Benoit DagevilleDirector · Director at Snowflake, filing Form 4 there in the last year
Frank SlootmanDirector · Director at Snowflake, filing Form 4 there in the last year
Mark S. GarfieldChief Accounting Officer · Chief Accounting Officer at Workday, filing Form 4 there in the last year
David A. Duffield10% owner · 10% owner at Workday, filing Form 4 there in the last year
Richard Harry SauerChief Legal Officer & Secty · Chief Legal Officer & Secty at Workday, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded P and CORT in the last 90 days
James N. WilsonDirector · Also traded CORT in the last 90 days
John ColgroveChief Visionary Officer · Also traded P in the last 90 days