Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
| 2021-06-03 Sale |
2021-06-04 7:35 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
10,000 | $18.65 | $186,527 | 89,181 (Direct) |
View |
| 2021-06-01 Sale |
2021-06-02 7:34 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Koo Richard Director |
25,827 | $19.28 | $498,009 | 263,270 (Indirect Direct) |
View |
| 2021-05-20 Sale |
2021-05-24 4:45 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Lee Howard Director |
10,000 | $19.74 | $197,354 | 148,741 (Direct) |
View |
| 2021-05-14 Sale |
2021-05-18 4:06 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob SVP Corp Admin Center |
12,823 | $19.98 | $256,140 | 56,032 (Indirect Direct) |
View |
| 2021-05-13 Sale |
2021-05-17 7:38 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhou Rong EVP, Production Center |
18,119 | $19.71 | $357,170 | 222,114 (Indirect Direct) |
View |
| 2021-05-13 Sale |
2021-05-14 7:01 pm |
Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director |
25,827 | $19.34 | $499,435 | 41,187 (Direct) |
View |
| 2021-05-11 Sale |
2021-05-13 6:42 pm |
Amphastar Pharmaceuticals Inc. | AMPH | PRINS RICHARD K Director |
15,827 | $18.9 | $299,110 | 49,160 (Direct) |
View |
| 2021-05-11 Sale |
2021-05-13 6:39 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
14,592 | $19.14 | $279,339 | 68,855 (Indirect Direct) |
View |
| 2021-03-15 Sale |
2021-03-17 7:40 pm |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer |
4,244 | $19.03 | $80,745 | 81 (Direct) |
View |
| 2021-02-16 Sale |
2021-02-18 6:58 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
30,467 | $18.59 | $566,315 | 10,529,628 (Indirect Direct) |
View |
| 2021-02-10 Sale |
2021-02-12 7:11 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
48,847 | $18.93 | $924,750 | 10,560,095 (Indirect Direct) |
View |
| 2021-02-05 Sale |
2021-02-09 5:30 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
40,886 | $18.92 | $773,546 | 10,608,942 (Indirect Direct) |
View |
| 2021-02-03 Sale |
2021-02-05 8:35 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
41,869 | $18.69 | $782,343 | 10,649,828 (Indirect Direct) |
View |
| 2021-02-01 Sale |
2021-02-03 4:15 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner |
37,931 | $18.43 | $698,941 | 10,691,697 (Indirect Direct) |
View |
| 2021-02-01 Sale |
2021-02-02 4:16 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
639 | $18.26 | $11,669 | 73,354 (Direct) |
View |
| 2021-01-19 Sale |
2021-01-20 5:58 pm |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer |
6,495 | $18.67 | $121,237 | 89,548 (Direct) |
View |
| 2020-12-01 Sale |
2020-12-02 4:20 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
500 | $17.87 | $8,936 | 73,993 (Direct) |
View |
| 2020-11-02 Sale |
2020-11-03 4:05 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
500 | $19.84 | $9,920 | 74,493 (Direct) |
View |
| 2020-10-01 Sale |
2020-10-02 4:15 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
500 | $18.89 | $9,446 | 74,993 (Direct) |
View |
| 2020-09-01 Sale |
2020-09-02 5:27 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
500 | $19.9 | $9,948 | 75,493 (Direct) |
View |
| 2020-08-14 Purchase |
2020-08-18 4:15 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Maris David Director |
1,000 | $20.26 | $20,260 | 13,151 (Direct) |
View |
| 2020-08-14 Sale |
2020-08-18 4:12 pm |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer |
5,512 | $20.36 | $112,223 | 95,652 (Direct) |
View |
| 2020-08-11 Sale |
2020-08-12 6:34 pm |
Amphastar Pharmaceuticals Inc. | AMPH | PRINS RICHARD K Director |
6,000 | $20.33 | $121,976 | 39,160 (Direct) |
View |
| 2020-08-03 Sale |
2020-08-04 8:22 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
500 | $20.62 | $10,308 | 75,993 (Direct) |
View |
| 2020-07-20 Sale |
2020-07-22 6:28 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
10,164 | $21.14 | $214,884 | 93,707 (Indirect Direct) |
View |
| 2020-07-06 Sale |
2020-07-08 4:05 pm |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer |
13,656 | $22 | $300,405 | 140,964 (Direct) |
View |
| 2020-07-01 Sale |
2020-07-02 7:36 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
500 | $22.27 | $11,136 | 76,493 (Direct) |
View |
| 2020-06-09 Sale |
2020-06-10 7:39 pm |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
23,405 | $20.41 | $477,602 | 64,583 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
| 2021-06-03 Exercise |
2021-06-04 7:35 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
10,000 | $16.43 | 89,181 (Direct) |
View |
| 2021-06-03 Exercise |
2021-06-04 7:35 pm |
N/A 2021-06-09 |
Amphastar Pharmaceuticals Inc. | AMPH | Petersen Floyd F. Director |
10,000 | $0 | 89,181 (Direct) |
View |
| 2021-06-01 Exercise |
2021-06-02 7:34 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Koo Richard Director |
25,827 | $16.43 | 263,270 (Direct) |
View |
| 2021-06-01 Exercise |
2021-06-02 7:34 pm |
N/A 2021-06-09 |
Amphastar Pharmaceuticals Inc. | AMPH | Koo Richard Director |
25,827 | $0 | 263,270 (Direct) |
View |
| 2021-05-20 Exercise |
2021-05-24 4:45 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Lee Howard Director |
10,000 | $16.43 | 148,741 (Direct) |
View |
| 2021-05-20 Exercise |
2021-05-24 4:45 pm |
N/A 2021-06-09 |
Amphastar Pharmaceuticals Inc. | AMPH | Lee Howard Director |
10,000 | $0 | 148,741 (Direct) |
View |
| 2021-05-19 Option Award |
2021-05-20 6:32 pm |
N/A 2031-05-19 |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, EVP & Treasurer |
10,256 | $0 | 118,558 (Direct) |
View |
| 2021-05-17 Exercise |
2021-05-18 4:06 pm |
N/A 2026-03-17 |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob SVP Corp Admin Center |
9,637 | $0 | 56,032 (Direct) |
View |
| 2021-05-17 Exercise |
2021-05-18 4:06 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob SVP Corp Admin Center |
9,637 | $11.33 | 56,032 (Direct) |
View |
| 2021-05-13 Exercise |
2021-05-17 7:38 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Zhou Rong EVP, Production Center |
11,820 | $14.23 | 222,114 (Direct) |
View |
| 2021-05-13 Exercise |
2021-05-17 7:38 pm |
N/A 2021-12-22 |
Amphastar Pharmaceuticals Inc. | AMPH | Zhou Rong EVP, Production Center |
11,820 | $0 | 222,114 (Direct) |
View |
| 2021-05-13 Exercise |
2021-05-14 7:01 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director |
25,827 | $16.43 | 41,187 (Direct) |
View |
| 2021-05-13 Exercise |
2021-05-14 7:01 pm |
N/A 2021-06-09 |
Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director |
25,827 | $0 | 41,187 (Direct) |
View |
| 2021-05-11 Exercise |
2021-05-13 6:42 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | PRINS RICHARD K Director |
15,827 | $16.43 | 49,160 (Direct) |
View |
| 2021-05-11 Exercise |
2021-05-13 6:42 pm |
N/A 2021-06-09 |
Amphastar Pharmaceuticals Inc. | AMPH | PRINS RICHARD K Director |
15,827 | $0 | 49,160 (Direct) |
View |
| 2021-05-11 Exercise |
2021-05-13 6:39 pm |
N/A 2026-03-17 |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
10,000 | $0 | 68,855 (Direct) |
View |
| 2021-05-11 Exercise |
2021-05-13 6:39 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
10,000 | $11.33 | 68,855 (Direct) |
View |
| 2021-03-17 Option Award |
2021-03-18 9:11 pm |
N/A 2031-03-17 |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. CEO & Chief Scientific Officer 10% Owner |
616,374 | $0 | 11,074,191 (Direct) |
View |
| 2021-03-16 Tax Withholding |
2021-03-18 9:11 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. CEO & Chief Scientific Officer 10% Owner |
34,131 | $18.44 | 11,074,191 (Direct) |
View |
| 2021-03-17 Option Award |
2021-03-18 8:54 pm |
N/A 2031-03-17 |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
64,764 | $0 | 109,230 (Direct) |
View |
| 2021-03-16 Tax Withholding |
2021-03-18 8:54 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
2,430 | $18.44 | 109,230 (Direct) |
View |
| 2021-03-17 Option Award |
2021-03-18 8:52 pm |
N/A 2031-03-17 |
Amphastar Pharmaceuticals Inc. | AMPH | Zhou Rong EVP, Production Center |
73,605 | $0 | 252,554 (Direct) |
View |
| 2021-03-16 Tax Withholding |
2021-03-18 8:52 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Zhou Rong EVP, Production Center |
3,303 | $18.44 | 252,554 (Direct) |
View |
| 2021-03-17 Option Award |
2021-03-18 8:50 pm |
N/A 2031-03-17 |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer |
112,407 | $0 | 187,135 (Direct) |
View |
| 2021-03-16 Tax Withholding |
2021-03-18 8:50 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer |
6,398 | $18.44 | 187,135 (Direct) |
View |
| 2021-03-15 Tax Withholding |
2021-03-17 8:30 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
1,559 | $19.15 | 46,896 (Direct) |
View |
| 2021-03-15 Tax Withholding |
2021-03-17 8:00 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Zhou Rong EVP, Production Center |
1,652 | $19.15 | 182,252 (Direct) |
View |
| 2021-03-15 Tax Withholding |
2021-03-17 7:40 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer |
4,178 | $19.15 | 81 (Direct) |
View |
| 2021-03-15 Tax Withholding |
2021-03-17 7:38 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Zhang Jack Y. Luo Mary Z. CEO & Chief Scientific Officer 10% Owner |
37,680 | $19.15 | 10,491,948 (Direct) |
View |
| 2020-07-20 Exercise |
2020-07-22 6:28 pm |
N/A 2026-03-17 |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
10,164 | $0 | 93,707 (Direct) |
View |
| 2020-07-20 Exercise |
2020-07-22 6:28 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
10,164 | $11.33 | 93,707 (Direct) |
View |
| 2020-07-06 Exercise |
2020-07-08 4:05 pm |
N/A 2026-03-17 |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer |
10,000 | $0 | 140,964 (Direct) |
View |
| 2020-07-06 Exercise |
2020-07-08 4:05 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | PETERS WILLIAM J CFO, SVP & Treasurer |
10,000 | $11.33 | 140,964 (Direct) |
View |
| 2020-06-12 Tax Withholding |
2020-06-15 7:09 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Lee Howard Director |
355 | $19.58 | 132,914 (Direct) |
View |
| 2020-06-14 Tax Withholding |
2020-06-15 7:08 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
128 | $19.58 | 48,455 (Direct) |
View |
| 2020-06-09 Exercise |
2020-06-10 7:39 pm |
N/A N/A |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
16,000 | $10.93 | 64,583 (Direct) |
View |
| 2020-06-09 Exercise |
2020-06-10 7:39 pm |
N/A 2023-07-30 |
Amphastar Pharmaceuticals Inc. | AMPH | Liawatidewi Yakob EVP Corp Admin Center |
16,000 | $0 | 64,583 (Direct) |
View |
| 2020-06-08 Option Award |
2020-06-09 8:29 pm |
N/A 2028-06-08 |
Amphastar Pharmaceuticals Inc. | AMPH | ZASLOFF MICHAEL A Director |
21,855 | $0 | 57,191 (Direct) |
View |
| 2020-06-08 Option Award |
2020-06-09 8:28 pm |
N/A 2028-06-08 |
Amphastar Pharmaceuticals Inc. | AMPH | PRINS RICHARD K Director |
21,855 | $0 | 61,164 (Direct) |
View |