SEC Insider Transactions from Plants William Jack II.

Last updated: 2026-03-23 21:02 UTC | Total transactions: 25

William Jack Plants II, CFO of Financial Institutions Inc. ($FISI), made one open market purchase of company shares in the past year, totaling nearly $20,000. His latest buy occurred on March 12, 2026. This ranks 3,858th among 4,983 insiders by purchase value, well below the average of $1.5 million over about 3.3 transactions. He reported no open market sales.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 20, 2026 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Common Stock 2898 $0.00 15,807.0000 20,336,000 22.45% 0.01%
March 20, 2026 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Restricted Stock Unit 2898 $0.00 0.0000 20,336,000 100.00% 0.01%
March 20, 2026 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer F Common Stock 1044 $30.59 14,763.0000 20,336,000 6.60% 0.01%
March 12, 2026 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer P Common Stock 660 $30.12 12,796.0000 20,336,000 5.44% 0.00%
March 16, 2025 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Restricted Stock Unit 1604 $0.00 0.0000 15,683,000 100.00% 0.01%
March 16, 2025 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Common Stock 2604 $0.00 12,996.0000 15,683,000 25.06% 0.02%
March 16, 2025 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer F Common Stock 935 $26.05 12,061.0000 15,683,000 7.19% 0.01%
March 16, 2025 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Restricted Stock Unit 1000 $0.00 0.0000 15,683,000 100.00% 0.01%
Dec. 13, 2024 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer P Common Stock 2800 $25.00 10,374.0000 15,636,000 36.97% 0.02%
March 19, 2024 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Restricted Stock Unit 1446 $0.00 0.0000 15,475,000 100.00% 0.01%
March 19, 2024 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Restricted Stock Unit 2132 $0.00 0.0000 15,475,000 100.00% 0.01%
March 19, 2024 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer A Restricted Stock Unit 2132 $0.00 2,132.0000 15,475,000 9999.99% 0.01%
March 19, 2024 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer F Common Stock 1288 $18.29 7,506.0000 15,475,000 14.65% 0.01%
March 19, 2024 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Common Stock 3578 $0.00 8,794.0000 15,475,000 68.60% 0.02%
Dec. 31, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer I Common Stock 44 $0.00 4,948.0000 15,471,000 0.90% 0.00%
May 3, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer P Common Stock 300 $16.17 4,604.0000 15,471,000 6.97% 0.00%
May 3, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer P Common Stock 300 $16.15 4,904.0000 15,471,000 6.52% 0.00%
May 3, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer I Common Stock 652 $15.51 4,904.0000 15,471,000 15.33% 0.00%
May 3, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer P Common Stock 900 $16.18 4,304.0000 15,471,000 26.44% 0.01%
March 21, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer A Restricted Stock Unit 2898 $0.00 2,898.0000 15,471,000 9999.99% 0.02%
Feb. 25, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Restricted Stock Unit 606 $0.00 0.0000 15,471,000 100.00% 0.00%
Feb. 25, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Common Stock 985 $0.00 2,971.0000 15,471,000 49.60% 0.01%
Feb. 25, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer F Common Stock 405 $24.71 2,566.0000 15,471,000 13.63% 0.00%
Feb. 25, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer A Restricted Stock Unit 379 $0.00 379.0000 15,471,000 9999.99% 0.00%
Feb. 25, 2023 FINANCIAL INSTITUTIONS INC $FISI Plants William Jack II Chief Financial Officer M Restricted Stock Unit 379 $0.00 0.0000 15,471,000 100.00% 0.00%