SEC Insider Transactions from Koning John Todd.

Last updated: 2026-03-17 23:02 UTC | Total transactions: 26

Koning John Todd, CFO of Alphatec Holdings ($ATEC), made one open market sale of company shares in the last year, totaling about $402,000, with the most recent on April 22, 2025. This ranks him 6,935th among 11,678 insiders by sales value, well below the average of $8.6 million across 6.4 transactions per insider. He reported no open market purchases during this period.

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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
March 13, 2026 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER S Common Stock 79789 $12.36 600,721.0000 151,401,000 11.72% 0.05%
March 5, 2026 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER F Common Stock 68910 $12.57 680,510.0000 151,401,000 9.20% 0.05%
Feb. 25, 2026 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Restricted Stock Units 55197 $0.00 55,197.0000 151,401,000 9999.99% 0.04%
Feb. 25, 2026 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Restricted Stock Units 55197 $0.00 55,197.0000 151,401,000 9999.99% 0.04%
Feb. 25, 2026 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 20380 $0.00 749,420.0000 151,401,000 2.80% 0.01%
Feb. 25, 2026 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 110394 $0.00 729,040.0000 151,401,000 17.84% 0.07%
Feb. 25, 2026 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 205094 $0.00 618,646.0000 151,401,000 49.59% 0.14%
Dec. 8, 2025 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER F Common Stock 15266 $21.45 445,955.0000 151,401,000 3.31% 0.01%
Aug. 6, 2025 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER F Common Stock 5315 $15.34 461,221.0000 142,946,000 1.14% 0.00%
April 22, 2025 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER S Common Stock 37500 $10.71 466,536.0000 142,946,000 7.44% 0.03%
April 1, 2025 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 20929 $0.00 504,036.0000 142,946,000 4.33% 0.01%
March 10, 2025 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER S Common Stock 165121 $9.72 483,107.0000 142,946,000 25.47% 0.12%
Jan. 29, 2025 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 19598 $0.00 648,228.0000 142,946,000 3.12% 0.01%
Jan. 29, 2025 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 120952 $0.00 514,308.0000 142,946,000 30.75% 0.08%
Jan. 29, 2025 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 114322 $0.00 628,630.0000 142,946,000 22.23% 0.08%
April 24, 2024 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER S Common Stock 37500 $12.82 393,356.0000 121,242,000 8.70% 0.03%
March 1, 2024 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER S Common Stock 121601 $13.30 430,856.0000 121,242,000 22.01% 0.10%
Feb. 21, 2024 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 31746 $0.00 552,457.0000 121,242,000 6.10% 0.03%
Feb. 1, 2024 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 129612 $0.00 545,164.0000 121,242,000 31.19% 0.11%
Feb. 1, 2024 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER F Common Stock 24453 $16.68 520,711.0000 121,242,000 4.49% 0.02%
April 20, 2023 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER S Common Stock 16500 $16.42 415,552.0000 103,373,000 3.82% 0.02%
Feb. 27, 2023 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER S Common Stock 22500 $14.76 432,052.0000 103,373,000 4.95% 0.02%
Feb. 22, 2023 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER S Common Stock 13068 $14.20 470,644.0000 103,373,000 2.70% 0.01%
Feb. 1, 2023 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 32403 $0.00 483,712.0000 103,373,000 7.18% 0.03%
Feb. 1, 2023 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 90242 $0.00 386,503.0000 103,373,000 30.46% 0.09%
Feb. 1, 2023 Alphatec Holdings, Inc. $ATEC Koning John Todd CHIEF FINANCIAL OFFICER A Common Stock 64806 $0.00 451,309.0000 103,373,000 16.77% 0.06%