InsiderEdge™ – Top Sales and Top Purchases – March 10, 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.

10% Owner at Lyell Immunopharma, Inc. ($LYEL)

ARCH Venture Partners IX, LLC (10% Owner) at Lyell Immunopharma, Inc. ($LYEL) purchased 488,090 shares at $25.61/share ($12.50M total) which increased their vested holdings by 17.69%. The current price is $23.40 (-8.63%). Their median purchase size is N/A and this is their 2nd largest purchase out of 3 all time. (SEC Source)

Historic Returns
1m returns: -9.80% weighted | 0% win rate (0/2)
3m returns: 15.43% weighted | 50% win rate (1/2)
6m returns: 127.82% weighted | 100% win rate (2/2)
1y returns: 219.84% weighted | 100% win rate (2/2)

Director at WhiteHorse Finance, Inc. ($WHF)

BOLDUC JOHN (Director) at WhiteHorse Finance, Inc. ($WHF) purchased 16,668 shares at $7.18/share ($119.71K total) which increased their vested holdings by 3.18%. The current price is $7.37 (+2.62%). Their median purchase size is N/A and this is their 19th largest purchase out of 26 all time. (SEC Source)

Historic Returns
1m returns: 66.30% weighted | 76% win rate (19/25)
3m returns: 74.31% weighted | 62% win rate (15/24)
6m returns: 11.36% weighted | 65% win rate (15/23)
1y returns: 89.06% weighted | 82% win rate (18/22)

Director at ARVINAS, INC. ($ARVN)

Morrison Briggs (Director) at ARVINAS, INC. ($ARVN) purchased 20,000 shares at $13.40/share ($268.07K total) which increased their vested holdings by 26.31%. The current price is $13.21 (-1.44%). Their median purchase size is N/A and this is their 1st largest purchase out of 8 all time. (SEC Source)

Historic Returns
1m returns: 6.81% weighted | 71% win rate (5/7)
3m returns: 29.20% weighted | 57% win rate (4/7)
6m returns: 11.33% weighted | 50% win rate (3/6)
1y returns: 70.59% weighted | 83% win rate (5/6)

Chief Financial Officer at Eastern Bankshares, Inc. ($EBC)

Rosato R David (Chief Financial Officer) at Eastern Bankshares, Inc. ($EBC) purchased 10,000 shares at $18.81/share ($188.10K total) which increased their vested holdings by 19.71%. The current price is $18.62 (-1.01%). Their median purchase size is N/A and this is their 2nd largest purchase out of 5 all time. (SEC Source)

Historic Returns
1m returns: 3.32% weighted | 25% win rate (1/4)
3m returns: 10.52% weighted | 50% win rate (2/4)
6m returns: 2.34% weighted | 33% win rate (1/3)
1y returns: 53.65% weighted | 100% win rate (2/2)

Director at FIRST FINANCIAL BANKSHARES INC ($FFIN)

Davis Sally Pope (Director) at FIRST FINANCIAL BANKSHARES INC ($FFIN) purchased 1,800 shares at $29.52/share ($53.14K total) which increased their vested holdings by 21.00%. The current price is $29.71 (+0.64%). Their median purchase size is N/A and this is their 1st largest purchase out of 5 all time. (SEC Source)

Historic Returns
1m returns: -5.18% weighted | 33% win rate (1/3)
3m returns: 10.14% weighted | 100% win rate (3/3)
6m returns: 30.05% weighted | 100% win rate (2/2)
1y returns: 23.02% weighted | 100% win rate (1/1)

Note: 4 insiders have made 6 total purchases at this company in the last 30 days

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.

EVP & GM, VSD at MKS INC ($MKSI)

Taranto Eric Robert (EVP & GM, VSD) at MKS INC ($MKSI) sold 4,567 shares at $220.52/share ($1.01M total) which decreased their vested holdings by 22.82%. The current price is $203.88 (-7.55%). Their median sale size is N/A and this is their 1st largest sale out of 3 all time. (SEC Source)

Historic Returns
1m returns: -4.22% weighted | 0% win rate (0/1)
3m returns: 15.49% weighted | 100% win rate (1/1)
6m returns: 19.99% weighted | 100% win rate (1/1)
1y returns: 35.23% weighted | 100% win rate (1/1)

Note: Selling the rip (stock was up 34.35% in the three months before the sale). 11 insiders have made 12 total sales at this company in the last 30 days.

President at Cactus, Inc. ($WHD)

Bender Joel (President) at Cactus, Inc. ($WHD) sold 63,963 shares at $50.74/share ($3.25M total) which decreased their vested holdings by 28.08%. The current price is $49.36 (-2.72%). Their median sale size is N/A and this is their 9th largest sale out of 10 all time. (SEC Source)

Historic Returns
1m returns: 2.62% weighted | 67% win rate (6/9)
3m returns: -0.09% weighted | 78% win rate (7/9)
6m returns: 8.18% weighted | 56% win rate (5/9)
1y returns: 18.53% weighted | 78% win rate (7/9)

Note: 2 insiders have made 2 total sales at this company in the last 30 days.

EVP & President, Commercial at Elevance Health, Inc. ($ELV)

Kendrick Charles Morgan JR (EVP & President, Commercial) at Elevance Health, Inc. ($ELV) sold 3,196 shares at $284.92/share ($910.60K total) which decreased their vested holdings by 21.33%. The current price is $285.24 (+0.11%). Their median sale size is N/A and this is their 5th largest sale out of 5 all time. (SEC Source)

Historic Returns
1m returns: 0.70% weighted | 50% win rate (2/4)
3m returns: 2.01% weighted | 50% win rate (2/4)
6m returns: -3.75% weighted | 50% win rate (2/4)
1y returns: 11.23% weighted | 75% win rate (3/4)

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.