Founder Led Equities

Monitoring founder CEO ownership

[Founder Led Equities @FounderLedEq]

Last week: 2 founders bought. 3 sold without a plan. 18 sales were already scheduled.

[Founder Led Equities @FounderLedEq]

@elonmusk @JohnStossel @SpaceX @Tesla Get alerts anytime Elon's stake in either of these companies moves more than 1% https://t.co/YeoRYJJx0x

[Founder Led Equities @FounderLedEq]

@elonmusk @JohnStossel @SpaceX @Tesla Elon owns 28% of $TSLA and 46% of $SPCX with a combined value of ~$1.5T. Unheard of in today's market. Would be nice to see more CEOs have this level of commitment

[Founder Led Equities @FounderLedEq]

https://t.co/wi2tYHsAGa

[Founder Led Equities @FounderLedEq]

@antibearthesis Elon will be the only name remembered 1000 years from now

[Founder Led Equities @FounderLedEq]

Castle Biosciences founder Derek Maetzold sold $512K of $CSTL on a 10b5-1 plan. Sale #181 on record, against 0 buys.

2019: owned 9.61%. Today: 0.63%.

A founder exit in slow motion, one Form 4 at a time: https://t.co/3IR7JMWIB6

[Founder Led Equities @FounderLedEq]

Medpace founder August Troendle just sold $44.4M of $MEDP at his own discretion (not on a plan), with the stock ~2% off its all-time high.

His last buy: Sep 22, 2022, $8.9M, near the low. This sale: Sep 22, 2026. Same date, four years apart.

Still owns 18.51% ($3.2B). https://t.co/ffAxuP2IkG

[Founder Led Equities @FounderLedEq]

Her ownership in the company has remained around 1% for years due to this combination of equity compensation and selling stock.
https://t.co/pZerJ6MhZc

[Founder Led Equities @FounderLedEq]

$TWST Founder CEO sold 19% of her stake 🚨

On Thursday, 9/17 founder-CEO Emily Leproust reduced her stake in Twist Bioscience by 19%, taking her ownership from 1.23% to 0.99%.

[Founder Led Equities @FounderLedEq]

Her history shows a clear pattern, sell when the stock is high, hold and receive equity compensation when it’s low.

[Founder Led Equities @FounderLedEq]

This was part of a 10b5-1 plan adopted on Sept. 5th 2025 which allow for a sale of up to 2,500,000 shares through Novemeber 20, 2026. He has sold approximately 55% of the plans allowance
https://t.co/0YlSWKhkcR

[Founder Led Equities @FounderLedEq]

Robinhood founder-CEO Vlad Tenev, just dumped $32.5M worth of $HOOD representing 0.54% of his stake. He now owns 5.34% of the company

[Founder Led Equities @FounderLedEq]

@NotA_Bull Mark Zuckerberg still holding strong at ~13% of the company

[Founder Led Equities @FounderLedEq]

@StockMKTNewz $TWST founder sold 19% of her stake this week and $CRWD founder sold 1% of his. Buy low sell high?

[Founder Led Equities @FounderLedEq]

@eduinvestingin This sale represents 1% of his stake. Since 2022 he has been a persistent seller, decreasing his stake from ~5% to 0.78%