Il y a eu 50 transactions d'initiés récentes enregistrées pour Amphastar Pharmaceuticals, Inc. (AMPH), dont 11 achats et 38 ventes. Le total des achats d'initiés s'élève à $9.61M et le total des ventes d'initiés à $4.5M.
Les initiés notables ayant une activité récente comprennent Peters William J, Zhang Jack Y., Zhou Rong. Les transactions d'initiés peuvent fournir des indications sur la façon dont la direction perçoit la valorisation et les perspectives futures de l'action.
Transactions d'Initiés — AMPH
| Date |
Nom |
Rôle |
Type de Transaction |
Actions |
Prix Moyen |
Valeur |
Actions détenues |
| 2026-03-15 |
Peters William J |
CFO, EVP & Treasurer |
Retenue Fiscale RSU |
1,973 |
$18.18 |
$35.87K |
175,063 |
| 2026-03-15 |
Zhang Jack Y. |
10 Percent Owner, Officer: CEO & Chief Scientific Officer |
Retenue Fiscale RSU |
2,908 |
$18.18 |
$52.87K |
1,245,125 |
| 2026-03-15 |
Zhou Rong |
Senior EVP, Production Center |
Retenue Fiscale RSU |
1,225 |
$18.18 |
$22.27K |
171,554 |
| 2026-03-15 |
Liawatidewi Yakob |
EVP Corp Admin Center |
Retenue Fiscale RSU |
1,033 |
$18.18 |
$18.78K |
121,892 |
| 2026-03-10 |
Peters William J |
CFO, EVP & Treasurer |
Retenue Fiscale RSU |
3,297 |
$18.91 |
$62.35K |
177,036 |
| 2026-03-10 |
Zhang Jack Y. |
10 Percent Owner, Officer: CEO & Chief Scientific Officer |
Retenue Fiscale RSU |
4,395 |
$18.91 |
$83.11K |
1,248,033 |
| 2026-03-10 |
Zhou Rong |
Senior EVP, Production Center |
Retenue Fiscale RSU |
2,215 |
$18.91 |
$41.89K |
172,779 |
| 2026-03-10 |
Liawatidewi Yakob |
EVP Corp Admin Center |
Retenue Fiscale RSU |
1,870 |
$18.91 |
$35.36K |
122,925 |
| 2026-03-09 |
Peters William J |
CFO, EVP & Treasurer |
Attribution de RSU |
121,071 |
$19.21 |
$2.33M |
121,071 |
| 2026-03-09 |
Zhang Jack Y. |
10 Percent Owner, Officer: CEO & Chief Scientific Officer |
Attribution de RSU |
149,472 |
$19.21 |
$2.87M |
149,472 |
| 2026-03-09 |
Zhou Rong |
Senior EVP, Production Center |
Attribution de RSU |
81,341 |
$19.21 |
$1.56M |
81,341 |
| 2026-03-09 |
Liawatidewi Yakob |
EVP Corp Admin Center |
Attribution de RSU |
73,126 |
$19.21 |
$1.4M |
73,126 |
| 2026-03-06 |
Peters William J |
CFO, EVP & Treasurer |
Retenue Fiscale RSU |
2,146 |
$19.34 |
$41.5K |
121,640 |
| 2026-03-06 |
Zhang Jack Y. |
10 Percent Owner, Officer: CEO & Chief Scientific Officer |
Retenue Fiscale RSU |
3,077 |
$19.34 |
$59.51K |
1,179,966 |
| 2026-03-06 |
Zhou Rong |
Senior EVP, Production Center |
Retenue Fiscale RSU |
1,357 |
$19.34 |
$26.24K |
135,562 |
| 2026-03-06 |
Liawatidewi Yakob |
EVP Corp Admin Center |
Retenue Fiscale RSU |
1,144 |
$19.34 |
$22.12K |
89,345 |
| 2026-03-04 |
Peters William J |
CFO, EVP & Treasurer |
Retenue Fiscale RSU |
1,744 |
$19.96 |
$34.81K |
123,786 |
| 2026-03-04 |
Zhang Jack Y. |
10 Percent Owner, Officer: CEO & Chief Scientific Officer |
Retenue Fiscale RSU |
2,432 |
$19.96 |
$48.54K |
1,183,043 |
| 2026-03-04 |
Zhou Rong |
Senior EVP, Production Center |
Retenue Fiscale RSU |
1,124 |
$19.96 |
$22.44K |
136,919 |
| 2026-03-04 |
Liawatidewi Yakob |
EVP Corp Admin Center |
Retenue Fiscale RSU |
965 |
$19.96 |
$19.26K |
90,489 |
| 2025-12-17 |
Zhou Rong |
Senior EVP, Production Center |
Exercice d'Options (Vente) |
9,787 |
$11.33 |
$110.89K |
- |
| 2025-12-12 |
Petersen Floyd F. |
Director |
Vente Informative |
2,426 |
$25.92 |
$62.89K |
71,368 |
| 2025-12-11 |
Petersen Floyd F. |
Director |
Vente Informative |
1,737 |
$25.69 |
$44.62K |
73,794 |
| 2025-11-25 |
Prins Richard K |
Director |
Exercice d'Options (Vente) |
4,179 |
$16.69 |
$69.75K |
- |
| 2025-11-13 |
Petersen Floyd F. |
Director |
Exercice d'Options (Vente) |
16,679 |
$16.69 |
$278.37K |
- |
| 2025-11-03 |
Petersen Floyd F. |
Director |
Vente Informative |
500 |
$25.27 |
$12.63K |
75,531 |
| 2025-10-01 |
Petersen Floyd F. |
Director |
Vente Informative |
500 |
$27.20 |
$13.6K |
76,031 |
| 2025-09-02 |
Petersen Floyd F. |
Director |
Vente Informative |
500 |
$30.98 |
$15.49K |
76,531 |
| 2025-08-01 |
Petersen Floyd F. |
Director |
Vente Informative |
500 |
$20.83 |
$10.42K |
77,031 |
| 2025-07-18 |
Gaugh David Russell |
Officer |
Inconnu |
- |
- |
- |
- |
| 2025-07-18 |
Gaugh David Russell |
Director |
Attribution de RSU |
6,304 |
- |
- |
6,304 |
| 2025-07-02 |
Petersen Floyd F. |
Director |
Vente Informative |
500 |
$23.47 |
$11.73K |
77,531 |
| 2025-06-13 |
Zhang Jack Y. |
10 Percent Owner, Officer: CEO & Chief Scientific Officer |
Exercice d'Options (Vente) |
200,000 |
$13.03 |
$2.61M |
205,003 |
| 2025-06-03 |
Lee Howard |
Director |
Retenue Fiscale RSU |
923 |
$26.01 |
$24.01K |
151,976 |
| 2025-06-02 |
Zasloff Michael A |
Director |
Attribution de RSU |
11,402 |
$25.38 |
$289.38K |
11,402 |
| 2025-06-02 |
Prins Richard K |
Director |
Attribution de RSU |
11,402 |
$25.38 |
$289.38K |
11,402 |
| 2025-06-02 |
Lee Howard |
Director |
Attribution de RSU |
11,402 |
$25.38 |
$289.38K |
11,402 |
| 2025-06-02 |
Gerst Diane G. |
Director |
Attribution de RSU |
11,402 |
$25.38 |
$289.38K |
11,402 |
| 2025-06-02 |
Petersen Floyd F. |
Director |
Attribution de RSU |
11,402 |
$25.38 |
$289.38K |
11,402 |
| 2025-06-02 |
Deflin Gayle |
Director |
Attribution de RSU |
5,122 |
- |
- |
10,914 |
| 2025-05-19 |
Peters William J |
CFO, EVP & Treasurer |
Retenue Fiscale RSU |
273 |
$24.79 |
$6.77K |
124,985 |
| 2025-05-01 |
Petersen Floyd F. |
Director |
Vente Informative |
500 |
$24.08 |
$12.04K |
73,409 |
| 2025-04-01 |
Petersen Floyd F. |
Director |
Vente Informative |
500 |
$28.38 |
$14.19K |
73,909 |
| 2025-03-17 |
Peters William J |
CFO, EVP & Treasurer |
Retenue Fiscale RSU |
3,004 |
$27.69 |
$83.18K |
125,258 |
| 2025-03-17 |
Zhang Jack Y. |
10 Percent Owner, Officer: CEO & Chief Scientific Officer |
Retenue Fiscale RSU |
7,223 |
$27.69 |
$200K |
1,185,475 |
| 2025-03-17 |
Zhou Rong |
Senior EVP, Production Center |
Retenue Fiscale RSU |
1,967 |
$27.69 |
$54.47K |
137,497 |
| 2025-03-17 |
Liawatidewi Yakob |
EVP Corp Admin Center |
Retenue Fiscale RSU |
1,731 |
$27.69 |
$47.93K |
90,909 |
| 2025-03-15 |
Peters William J |
CFO, EVP & Treasurer |
Retenue Fiscale RSU |
1,968 |
$26.66 |
$52.47K |
128,262 |
| 2025-03-15 |
Zhang Jack Y. |
10 Percent Owner, Officer: CEO & Chief Scientific Officer |
Retenue Fiscale RSU |
4,115 |
$26.66 |
$109.71K |
1,192,698 |
| 2025-03-15 |
Zhou Rong |
Senior EVP, Production Center |
Retenue Fiscale RSU |
1,222 |
$26.66 |
$32.58K |
139,464 |
■ Informatif — transaction sur marché ouvert (la plus significative)
■ Non informatif (achat) — récompense, exercice d'option, conversion
■ Non informatif (vente) — retenue fiscale, vente à l'acquisition
■ Neutre — don, fiducie, expiration
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