InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the full record of transactions filed by Willis Gary K, Director. Officer active across 2 companies, notably PLUG POWER INC. Cumulatively, 25 filings have been recorded. Activity tracked since 15 July 2021. The latest transaction was disclosed on 2 January 2026 (Attribution). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Willis Gary K
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations25 total
16,497 shares@ US$1.9750.0% of flowCommon StockSEC:0001104659-26-001509:0
13,948 shares@ US$2.33100.0% of flowCommon StockSEC:0001104659-25-096687:0
76,531 shares0Common StockSEC:0001104659-25-070378:0
21,812 shares@ US$1.498.9% of flowCommon StockSEC:0001104659-25-065809:0
24,074 shares@ US$1.359.7% of flowCommon StockSEC:0001104659-25-031663:0
15,258 shares@ US$2.1310.1% of flowCommon StockSEC:0001104659-25-001301:0
14,381 shares@ US$2.269.5% of flowCommon StockSEC:0001104659-24-105835:0
13,948 shares@ US$2.339.8% of flowCommon StockSEC:0001104659-24-077778:0
37,375 shares0Common StockSEC:0001104659-24-069690:0
9,448 shares@ US$3.449.8% of flowCommon StockSEC:0001104659-24-043217:0
3,611 shares@ US$4.504.7% of flowCommon StockSEC:0001104659-24-001336:0
2,138 shares@ US$7.605.0% of flowCommon StockSEC:0001104659-23-106821:0
1,444 shares@ US$10.394.4% of flowCommon StockSEC:0001104659-23-078828:0
12,149 shares0Common StockSEC:0001104659-23-076303:0
1,280 shares@ US$11.724.4% of flowCommon StockSEC:0001104659-23-042134:0
909 shares@ US$12.373.4% of flowCommon StockSEC:0001104659-23-001396:0
535 shares@ US$21.013.7% of flowCommon StockSEC:0001104659-22-106340:0
6,789 shares0Common StockSEC:0001104659-22-082810:0
679 shares@ US$16.573.5% of flowCommon StockSEC:0001104659-22-080199:0
393 shares@ US$28.613.3% of flowCommon StockSEC:0001104659-22-042738:0
399 shares@ US$28.233.2% of flowCommon StockSEC:0001104659-22-001512:0
440 shares@ US$25.543.1% of flowCommon StockSEC:0001104659-21-123070:0
4,482 shares0Common StockSEC:0001104659-21-107844:0
314 shares@ US$35.843.1% of flowCommon StockSEC:0001104659-21-094580:0
4,167 sharesPlug Power Common StockSEC:0001104659-16-090108:0
25 of 25 declarations
About Willis Gary K
WILLIS GARY K is an Administrateur at PLUG POWER INC and Plug Power INC. He has 25 filings in total, and in the sampled recent filings the modal transaction nature is Attribution, with top filing amounts ranging from EUR 29,375.75900945967 to EUR 31,394.87817391754 between 2024-04-03 and 2025-10-03.
