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Guides: What is an SEC Form 4 · the transaction codes · who has to file · 10b5-1 plans
Open-market purchases by insiders.
Traded Aug 21, 2026 · largest single transaction ~$2.1M
Aug 21, 2026~$2.1M · 9,935 sh @ $211.09
DetailsOfficial recordAug 21, 2026~$677K · 3,241 sh @ $209.03
DetailsOfficial recordAug 21, 2026~$383K · 1,824 sh @ $209.97
DetailsOfficial recordInsider buying
Traded Aug 24 · filed the same day
Since the trade −12.4% · S&P 500 −1.2% · to Nov 13
A major shareholder of Tenax Therapeutics paid $188K out of pocket for Tenax Therapeutics shares. 3 other people at Tenax Therapeutics bought some too, in the same month.
Insider buying
First insider buy since Nov 2023Traded Aug 21 · filed 3 days later
Since the trade −47.5% · S&P 500 −1.5% · to Nov 13
The CEO of Veritone paid $127K out of pocket for Veritone shares. Shares held went up 26% with this purchase.
Insider buying
First insider buy since Aug 2025Traded Aug 24 · filed the same day
Since the trade −30.8% · S&P 500 −1.2% · to Nov 13
A TTM Technologies director paid $525K out of pocket for TTM Technologies shares. 1 other person at TTM Technologies bought some too, in the same month. Shares held went up 5% with this purchase.
Insider buying
Traded Aug 21 · filed 3 days later
Since the trade −14.9% · S&P 500 −1.5% · to Nov 13
An Alpha Cognition director paid $96K out of pocket for Alpha Cognition shares. 1 other person at Alpha Cognition bought some too, in the same month. Shares held went up 45% with this purchase.
Traded Aug 20 – Aug 21, 2026 · largest single transaction ~$1.98M
Aug 21, 2026~$1.98M · 9,038 sh @ $219.59
DetailsOfficial recordAug 20, 2026~$821K · 3,700 sh @ $221.78
DetailsOfficial recordInsider buying
First insider buy since Mar 2022Traded Aug 21 · filed 3 days later
Since the trade +18.8% · S&P 500 −1.5% · to Nov 13
A Gevo director paid $77K out of pocket for Gevo shares. 1 other person at Gevo bought some too, in the same month. Shares held went up 71% with this purchase.
Insider buying
Traded Aug 20 · filed 4 days later
Since the trade −28.0% · S&P 500 −1.1% · to Nov 13
A Sensus Healthcare director paid $75K out of pocket for Sensus Healthcare shares. 1 other person at Sensus Healthcare bought some too, in the same month. Shares held went up 17% with this purchase.
Insider buying
Traded Aug 21 · filed 3 days later
Since the trade +1.5% · S&P 500 −1.5% · to Nov 13
An Advanced Flower Capital director paid $82K out of pocket for Advanced Flower Capital shares. 2 other people at Advanced Flower Capital bought some too, in the same month.
Insider buying
First insider buy since Mar 2025Traded Aug 24 · filed the same day
Since the trade −1.9% · S&P 500 −1.2% · to Nov 13
The CEO of Vistra paid $270K out of pocket for Vistra shares.
Insider buying
Traded Aug 20 · filed 4 days later
Since the trade −28.0% · S&P 500 −1.1% · to Nov 13
The CEO of Sensus Healthcare paid $60K out of pocket for Sensus Healthcare shares. 1 other person at Sensus Healthcare bought some too, in the same month. It was the first purchase in 9 months.
Insider buying
Traded Aug 21 · filed 3 days later
Since the trade −40.5% · S&P 500 −1.5% · to Nov 13
A Quantum X Labs director paid $21K out of pocket for Quantum X Labs shares. 1 other person at Quantum X Labs bought some too, in the same month. Shares held went up 179% with this purchase.
Insider buying
Traded Aug 24 · filed the same day
Since the trade −23.2% · S&P 500 −1.2% · to Nov 13
An Access Newswire director paid $30K out of pocket for Access Newswire shares. 2 other people at Access Newswire bought some too, in the same month. Shares held went up 6% with this purchase.
Insider buying
Traded Aug 20 · filed 4 days later
Since the trade +18.2% · S&P 500 −1.1% · to Nov 13
The CEO of Treace Medical Concepts paid $177K out of pocket for Treace Medical Concepts shares.
Insider buying
First insider buy since Apr 2024Traded Aug 20 · filed 4 days later
Since the trade −41.2% · S&P 500 −1.1% · to Nov 13
A Comscore director paid $37K out of pocket for Comscore shares. 2 other people at Comscore bought some too, in the same month.
Insider buying
Traded Aug 21 · filed 3 days later
Since the trade −20.3% · S&P 500 −1.5% · to Nov 13
The CEO of T Stamp paid $3.2K out of pocket for T Stamp shares. 2 other people at T Stamp bought some too, in the same month.
Insider buying
8 days before an 8-KTraded Aug 20 · filed 4 days later
Since the trade −9.7% · S&P 500 −1.1% · to Nov 13
A Primis Financial director paid $1.8K out of pocket for Primis Financial shares. 1 other person at Primis Financial bought some too, in the same month. Shares held went up 21% with this purchase.
Checked for new insider filings 2 h ago
