SEC Insider Transactions from JOHNSON WILLIAM D.

Last updated: 2026-03-16 13:04 UTC | Total transactions: 6

JOHNSON WILLIAM D has filed 6 insider transactions across 2 companies since May 2023.

Most recent transaction: a grant/award of 1029 shares of Terrestrial Energy Inc. /DE/ ($IMSR) on December 18, 2025.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Dec. 18, 2025 Terrestrial Energy Inc. /DE/ $IMSR JOHNSON WILLIAM D Director A Restricted Stock Units 1029 $0.00 6,894.0000 81,771,423 17.54% 0.00%
Dec. 18, 2025 Terrestrial Energy Inc. /DE/ $IMSR JOHNSON WILLIAM D Director A Restricted Stock Units 5865 $0.00 5,865.0000 81,771,423 9999.99% 0.01%
Dec. 18, 2025 Terrestrial Energy Inc. /DE/ $IMSR JOHNSON WILLIAM D Director A Resricted Stock Units 1720 $0.00 7,585.0000 81,771,423 29.33% 0.00%
May 12, 2025 NISOURCE INC. $NI JOHNSON WILLIAM D Director A Common Stock 4541 $38.32 24,008.6510 469,939,639 23.33% 0.00%
May 13, 2024 NISOURCE INC. $NI JOHNSON WILLIAM D Director A Common Stock 6042 $28.80 18,921.7360 0 46.91% 0.00%
May 23, 2023 NISOURCE INC. $NI JOHNSON WILLIAM D Director A Common Stock 6031 $27.36 12,510.4380 0 93.08% 0.00%