InsiderEdge™ – Top Sales and Top Purchases – May 12, 2026

Insider Return Purchases

The insider purchases with the strongest historical return profiles. Remember, returns and win rates are calculated using the previous purchase trades by the insider.

President – TBK Bank, SSB at Triumph Financial, Inc. ($TFIN)

The President – TBK Bank, SSB purchased 7,000 shares at $67.01/share ($469.07K total) which increased their vested holdings by 19.02%. The current price is $64.85 (-3.22%). This is their 1st largest purchase out of 6 all time. SEC Source

Historic Returns

1m returns: 17.24% weighted | 100% win rate (5/5)
3m returns: 42.35% weighted | 100% win rate (5/5)
6m returns: 65.77% weighted | 100% win rate (5/5)
1y returns: 115.56% weighted | 100% win rate (5/5)

Director at Mobia Medical, Inc. ($MOBI)

The Director purchased 7,000 shares at $15.00/share ($105.00K total) which increased their vested holdings by 22.21%. The current price is $12.00 (-20.00%). This is their 4th largest purchase out of 4 all time. SEC Source

Historic Returns

1m returns: 16.00% weighted | 100% win rate (3/3)
3m returns: 44.85% weighted | 100% win rate (3/3)
6m returns: 41.62% weighted | 100% win rate (3/3)
1y returns: 44.57% weighted | 67% win rate (2/3)

Note: 5 insiders have made 5 total purchases at this company in the last 30 days.

Director at Planet Fitness, Inc. ($PLNT)

The Director purchased 5,000 shares at $46.21/share ($231.05K total) which increased their vested holdings by 17.39%. The current price is $48.40 (+4.74%). This is their 1st largest purchase out of 11 all time. SEC Source

Historic Returns

1m returns: 5.05% weighted | 100% win rate (10/10)
3m returns: 8.65% weighted | 100% win rate (10/10)
6m returns: 21.22% weighted | 100% win rate (10/10)
1y returns: 29.63% weighted | 100% win rate (10/10)

Note: Buying the dip (stock was down -27.51% in the week before the purchase).

10% Owner at Atara Biotherapeutics, Inc. ($ATRA)

The 10% Owner purchased 507,407 shares at $9.35/share ($4.74M total) which increased their vested holdings by 48.57%. The current price is $8.78 (-6.10%). This is their 15th largest purchase out of 36 all time. SEC Source

Historic Returns

1m returns: -4.07% weighted | 40% win rate (14/35)
3m returns: 0.68% weighted | 31% win rate (11/35)
6m returns: 26.04% weighted | 52% win rate (17/33)
1y returns: 27.25% weighted | 78% win rate (25/32)

Director at Solaris Energy Infrastructure, Inc. ($SEI)

The Director purchased 6,175 shares at $72.98/share ($450.65K total) which increased their vested holdings by 5.38%. The current price is $74.66 (+2.30%). This is their 7th largest purchase out of 34 all time. SEC Source

Historic Returns

1m returns: 7.61% weighted | 73% win rate (24/33)
3m returns: 13.41% weighted | 81% win rate (26/32)
6m returns: 16.25% weighted | 90% win rate (28/31)
1y returns: 24.59% weighted | 97% win rate (29/30)

Insider Return Sales

The insider sales with the strongest historical downside performance (positive returns indicate the stock price fell after prior sales). Returns and win rates are calculated using the insider’s previous sell trades.

SVP, Sales & Product Marketing at 908 Devices Inc. ($MASS)

The SVP, Sales & Product Marketing sold 18,255 shares at $8.11/share ($148.05K total) which decreased their vested holdings by 24.01%. The current price is $7.93 (-2.22%). This is their 10th largest sale out of 10 all time. SEC Source

Historic Returns

1m returns: 5.82% weighted | 67% win rate (6/9)
3m returns: 18.24% weighted | 67% win rate (6/9)
6m returns: 35.42% weighted | 89% win rate (8/9)
1y returns: 53.92% weighted | 100% win rate (9/9)

Note: Selling the rip (stock was up 24.73% in the week before the sale).
Note: 2 insiders have made 2 total sales at this company in the last 30 days.

CEO at VEECO INSTRUMENTS INC ($VECO)

The CEO sold 100,000 shares at $59.55/share ($5.96M total) which decreased their vested holdings by 19.25%. The current price is $61.21 (+2.79%). This is their 1st largest sale out of 20 all time. SEC Source

Historic Returns

1m returns: -2.83% weighted | 42% win rate (8/19)
3m returns: -3.28% weighted | 44% win rate (8/18)
6m returns: -0.30% weighted | 56% win rate (9/16)
1y returns: 31.82% weighted | 86% win rate (12/14)

Note: Selling the rip (stock was up 20.18% in the week before the sale).
Note: 2 insiders have made 2 total sales at this company in the last 30 days.

CFO and Treasurer at DAVITA INC. ($DVA)

The CFO and Treasurer sold 51,471 shares at $192.10/share ($9.89M total) which decreased their vested holdings by 27.99%. The current price is $198.93 (+3.56%). This is their 2nd largest sale out of 5 all time. SEC Source

Historic Returns

1m returns: -4.65% weighted | 25% win rate (1/4)
3m returns: 0.25% weighted | 50% win rate (2/4)
6m returns: 8.05% weighted | 100% win rate (3/3)
1y returns: 18.70% weighted | 100% win rate (3/3)

Note: Selling the rip (stock was up 28.93% in the week before the sale).
Note: 2 insiders have made 2 total sales at this company in the last 30 days.

Director at IMPINJ INC ($PI)

The Director sold 36,171 shares at $152.73/share ($5.52M total) which decreased their vested holdings by 3.10%. The current price is $153.74 (+0.66%). This is their 13th largest sale out of 24 all time. SEC Source

Historic Returns

1m returns: 0.06% weighted | 43% win rate (10/23)
3m returns: 20.43% weighted | 91% win rate (21/23)
6m returns: 29.03% weighted | 75% win rate (9/12)
1y returns: 17.59% weighted | 89% win rate (8/9)

Note: Selling the rip (stock was up 50.59% in the month before the sale).

Director at Solaris Energy Infrastructure, Inc. ($SEI)

The Director sold 56,841 shares at $72.11/share ($4.10M total) which decreased their vested holdings by 90.80%. The current price is $74.66 (+3.54%). This is their 1st largest sale out of 16 all time. SEC Source

Historic Returns

1m returns: 1.90% weighted | 53% win rate (8/15)
3m returns: 8.88% weighted | 60% win rate (9/15)
6m returns: 19.76% weighted | 67% win rate (10/15)
1y returns: 14.61% weighted | 67% win rate (10/15)

Note: Selling the rip (stock was up 36.12% in the three months before the sale).
Note: 2 insiders have made 2 total sales at this company in the last 30 days.

Senior Vice President at Matson, Inc. ($MATX)

The Senior Vice President sold 3,331 shares at $180.14/share ($600.05K total) which decreased their vested holdings by 25.87%. The current price is $181.91 (+0.98%). This is their 1st largest sale out of 6 all time. SEC Source

Historic Returns

1m returns: 0.12% weighted | 40% win rate (2/5)
3m returns: 8.85% weighted | 75% win rate (3/4)
6m returns: 11.38% weighted | 75% win rate (3/4)
1y returns: 10.72% weighted | 75% win rate (3/4)

Note: Selling the rip (stock was up 91.1% in the year before the sale).
Note: 3 insiders have made 3 total sales at this company in the last 30 days.

Disclaimer: The content provided by InsiderEdge™ is for informational purposes only and does not constitute investment advice, an offer to sell, or a solicitation of an offer to buy any securities. The historical performance noted in this post is not is not indicative of future results. Investing involves risk, including the potential loss of principal. Use the platform at your own risk and consult a financial advisor before making any investment decisions. In partnership with Yellowbrick Investing Inc.