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ALPHATEC HOLDINGS INC (ATEC) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:ATEC - US02081G2012 - Common Stock

21.28 USD
+0.05 (+0.24%)
Last: 12/4/2025, 8:04:58 PM
21.28 USD
0 (0%)
After Hours: 12/4/2025, 8:04:58 PM
ATEC Ownership Chart.ATEC Ownership Chart: showing Insider, Institutional ownership and shares available to the public.ATEC Ownership.InsiderInstitutionalPublic



Shares Outstanding148.55M
Float118.81M
Float Short Interest Percentage11.55%
Owners (insider)8.98%
Owners (institutional)69.39%
Owners (insider) change-3.63%
Owners (institutional) change6.35%
ATEC Institutional Ownership HistoryATEC Institutional Ownership HistoryATEC Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M 80M 100M
ATEC Historical Insider Transactions ChartATEC Historical Insider Buy and Sell Transactions ChartATEC Historical Insider Transactions Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 0 1M -1M 2M -2M
Date Name Type Shares Price Amount
Dec 1, 2025 Miles Patrick Open Market Sale 100000 22.11 $ 2,211,000.00
Nov 24, 2025 Pelizzon David R Open Market Sale 250000 20.62 $ 5,155,000.00
Nov 24, 2025 Squadron Capital LLC Open Market Sale 250000 20.62 $ 5,155,000.00
Nov 24, 2025 Pritzker Jennifer N. Open Market Sale 250000 20.62 $ 5,155,000.00
Nov 24, 2025 Squadron Capital Holdings LLC Open Market Sale 250000 20.62 $ 5,155,000.00
Nov 20, 2025 Marshall Tyson Eliot Open Market Sale 70000 19.51 $ 1,365,700.00
Nov 20, 2025 Lish Scott Option Excercise 25000 3.63 $ 90,750.00
Nov 20, 2025 Lish Scott Open Market Sale 25000 19.80 $ 495,000.00
Nov 12, 2025 Squadron Capital LLC Open Market Sale 250000 20.80 $ 5,200,000.00
Nov 12, 2025 Pritzker Jennifer N. Open Market Sale 250000 20.80 $ 5,200,000.00
Nov 12, 2025 Squadron Capital Holdings LLC Open Market Sale 250000 20.80 $ 5,200,000.00
Nov 12, 2025 Pelizzon David R Open Market Sale 250000 20.80 $ 5,200,000.00
Nov 3, 2025 Rydin Jeffrey P Open Market Sale 200000 19.32 $ 3,864,000.00
Nov 3, 2025 Miles Patrick Open Market Sale 100000 18.96 $ 1,896,000.00
Oct 31, 2025 Hunsaker Craig E Open Market Sale 100000 19.95 $ 1,995,000.00
Oct 24, 2025 Sponsel David Open Market Sale 70000 16.18 $ 1,132,600.00
Oct 14, 2025 Lish Scott Option Excercise 13500 3.35 $ 45,225.00
Sep 18, 2025 Sponsel David Open Market Sale 140000 15.09 $ 2,113,238.75
Sep 9, 2025 Berkowitz Mortimer III Open Market Sale 62500 15.97 $ 998,125.00
Sep 2, 2025 Miles Patrick Open Market Sale 300000 15.73 $ 4,719,000.00
Aug 14, 2025 Miles Patrick Other Disposition 10000 0.00 $ 0.00
Aug 13, 2025 Lish Scott Open Market Sale 9302 16.00 $ 148,832.00
Aug 6, 2025 Sponsel David Option Excercise 982 15.34 $ 15,063.88
Aug 6, 2025 Koning John Todd Option Excercise 5315 15.34 $ 81,532.10
Aug 5, 2025 Hunsaker Craig E Open Market Sale 60876 15.06 $ 916,729.08
Aug 1, 2025 Lish Scott Open Market Sale 70604 13.48 $ 952,082.93
Aug 1, 2025 Marshall Tyson Eliot Open Market Sale 30970 13.70 $ 424,199.92
Jul 10, 2025 Marshall Tyson Eliot Open Market Sale 1500 12.00 $ 18,000.00
Jul 10, 2025 Lish Scott Open Market Sale 3982 12.00 $ 47,784.00
Jun 13, 2025 Lish Scott Open Market Sale 22727 11.07 $ 251,587.89
Jun 11, 2025 MCGINNIS KAREN K Grant 15131 0.00 $ 0.00
Jun 11, 2025 MCGINNIS KAREN K Open Market Sale 3963 12.11 $ 47,991.93
Jun 11, 2025 WOODS WARD W JR Grant 15131 0.00 $ 0.00
Jun 11, 2025 Valentine Keith Grant 15131 0.00 $ 0.00
Jun 11, 2025 Rydin Jeffrey P Grant 15131 0.00 $ 0.00
Jun 11, 2025 Pelizzon David R Grant 15131 0.00 $ 0.00
Jun 11, 2025 Demski David M Grant 15131 0.00 $ 0.00
Jun 11, 2025 Blackford Quentin S. Grant 15131 0.00 $ 0.00
Jun 11, 2025 Berkowitz Mortimer III Grant 15131 0.00 $ 0.00
Jun 4, 2025 Hunsaker Craig E Open Market Sale 200000 12.34 $ 2,468,277.56
May 19, 2025 Lish Scott Open Market Sale 55375 13.00 $ 719,875.00
Apr 22, 2025 Koning John Todd Open Market Sale 37500 10.71 $ 401,625.00
Apr 1, 2025 Sponsel David Grant 3866 $ 0.00
Apr 1, 2025 Miles Patrick Grant 16475 $ 0.00
Apr 1, 2025 Marshall Tyson Eliot Grant 19848 $ 0.00
Apr 1, 2025 Lish Scott Grant 21751 $ 0.00
Apr 1, 2025 Koning John Todd Grant 20929 $ 0.00
Apr 1, 2025 Hunsaker Craig E Grant 21751 $ 0.00
Mar 10, 2025 Koning John Todd Open Market Sale 165121 9.72 $ 1,604,976.12
Mar 10, 2025 Lish Scott Open Market Sale 27994 9.72 $ 272,101.68
Mar 7, 2025 Miles Patrick Open Market Sale 12691 10.64 $ 135,032.24
Mar 6, 2025 Marshall Tyson Eliot Option Excercise 27805 11.44 $ 318,089.20
Mar 6, 2025 Miles Patrick Option Excercise 70097 11.44 $ 801,909.68
Mar 6, 2025 Sponsel David Open Market Sale 33732 10.83 $ 365,317.56
Mar 3, 2025 MCGINNIS KAREN K Open Market Sale 38320 12.26 $ 469,803.20
Feb 27, 2025 Lish Scott Open Market Sale 23183 12.03 $ 278,891.49
Feb 26, 2025 Miles Patrick Open Market Sale 32393 10.89 $ 352,759.77
Feb 24, 2025 Miles Patrick Option Excercise 92988 10.76 $ 1,000,550.88
Feb 24, 2025 Sponsel David Open Market Sale 32365 10.54 $ 341,062.37
Feb 6, 2025 Lish Scott Open Market Sale 27453 11.49 $ 315,434.97
Feb 5, 2025 Miles Patrick Open Market Sale 43459 11.95 $ 519,335.05
Jan 29, 2025 Hunsaker Craig E Grant 352061 0.00 $ 0.00
Jan 29, 2025 Lish Scott Grant 314269 0.00 $ 0.00
Jan 29, 2025 Koning John Todd Grant 254872 0.00 $ 0.00
Jan 29, 2025 Marshall Tyson Eliot Grant 233120 0.00 $ 0.00
Jan 29, 2025 Sponsel David Grant 269019 0.00 $ 0.00
Jan 29, 2025 Miles Patrick Grant 700829 0.00 $ 0.00
Jan 29, 2025 Miles Patrick Open Market Sale 93313 12.03 $ 1,122,555.39
Jan 21, 2025 Miles Patrick Open Market Sale 6687 12.00 $ 80,244.00
Jan 10, 2025 Sponsel David Open Market Sale 58521 10.71 $ 626,590.93
Dec 18, 2024 Demski David M Grant 126051 $ 0.00
Dec 11, 2024 Sponsel David Open Market Sale 62018 9.69 $ 600,954.42
Dec 10, 2024 Hunsaker Craig E Option Excercise 110919 2.01 $ 223,474.43
Dec 10, 2024 Hunsaker Craig E Option Excercise 23157 9.65 $ 223,465.05