AMPH Insider Transactions — Page 3
576 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 201–300; provenance stays internal.
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Zhou Rong | EVP, Production Center | 2021-07-20 | Sale | 5,187.0 | $20.57 |
| Liawatidewi Yakob | EVP Corp Admin Center | 2021-07-15 | Sale | 31,524.0 | $20.01 |
| PETERS WILLIAM J | CFO, EVP & Treasurer | 2021-07-07 | Sale | 10,000.0 | $20.37 |
| Zhou Rong | EVP, Production Center | 2021-06-09 | Sale | 4,732.0 | $19.58 |
| Zhou Rong | EVP, Production Center | 2021-06-08 | Sale | 8,180.0 | $19.34 |
| Lee Howard | Director | 2021-06-08 | Sale | 8,000.0 | $19.31 |
| PRINS RICHARD K | Director | 2021-06-07 | Sale | 5,000.0 | $18.7 |
| Petersen Floyd F. | Director | 2021-06-07 | Sale | 15,827.0 | $19.34 |
| Lee Howard | Director | 2021-06-07 | Sale | 7,827.0 | $19.28 |
| PRINS RICHARD K | Director | 2021-06-04 | Sale | 5,000.0 | $18.77 |
| Petersen Floyd F. | Director | 2021-06-03 | Sale | 10,000.0 | $18.65 |
| Koo Richard | Director | 2021-06-01 | Sale | 25,827.0 | $19.28 |
| Lee Howard | Director | 2021-05-20 | Sale | 10,000.0 | $19.74 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2021-05-17 | Sale | 9,637.0 | $19.99 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2021-05-14 | Sale | 3,186.0 | $19.92 |
| Zhou Rong | EVP, Production Center | 2021-05-14 | Sale | 17,419.0 | $19.72 |
| Zhou Rong | EVP, Production Center | 2021-05-13 | Sale | 700.0 | $19.58 |
| ZASLOFF MICHAEL A | Director | 2021-05-13 | Sale | 25,827.0 | $19.34 |
| Liawatidewi Yakob | EVP Corp Admin Center | 2021-05-12 | Sale | 4,592.0 | $19.33 |
| PRINS RICHARD K | Director | 2021-05-11 | Sale | 15,827.0 | $18.9 |
| Liawatidewi Yakob | EVP Corp Admin Center | 2021-05-11 | Sale | 10,000.0 | $19.06 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2021-03-15 | Sale | 4,244.0 | $19.03 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2021-02-18 | Sale | 407.0 | $18.58 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-18 | Sale | 407.0 | $18.58 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-18 | Sale | 407.0 | $18.58 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2021-02-17 | Sale | 13,801.0 | $18.67 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-17 | Sale | 13,801.0 | $18.67 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-17 | Sale | 13,801.0 | $18.67 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2021-02-16 | Sale | 16,259.0 | $18.51 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-16 | Sale | 16,259.0 | $18.51 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-16 | Sale | 16,259.0 | $18.51 |
| Luo Mary Z. | COO, Chief Scientist & Chairma | 2021-02-12 | Sale | 13,277.0 | $18.94 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-12 | Sale | 13,277.0 | $18.94 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-12 | Sale | 13,277.0 | $18.94 |
| Luo Mary Z. | COO, Chief Scientist & Chairma | 2021-02-11 | Sale | 19,823.0 | $19.06 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-11 | Sale | 19,823.0 | $19.06 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-11 | Sale | 19,823.0 | $19.06 |
| Luo Mary Z. | COO, Chief Scientist & Chairma | 2021-02-10 | Sale | 15,747.0 | $18.76 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-10 | Sale | 15,747.0 | $18.76 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-10 | Sale | 15,747.0 | $18.76 |
| Luo Mary Z. | COO, Chief Scientist & Chairma | 2021-02-09 | Sale | 11,927.0 | $18.93 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-09 | Sale | 11,927.0 | $18.93 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-09 | Sale | 11,927.0 | $18.93 |
| Luo Mary Z. | COO, Chief Scientist & Chairma | 2021-02-08 | Sale | 13,452.0 | $18.89 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-08 | Sale | 13,452.0 | $18.89 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-08 | Sale | 13,452.0 | $18.89 |
| Luo Mary Z. | COO, Chief Scientist & Chairma | 2021-02-05 | Sale | 15,507.0 | $18.94 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-05 | Sale | 15,507.0 | $18.94 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-05 | Sale | 15,507.0 | $18.94 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2021-02-04 | Sale | 25,570.0 | $18.89 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-04 | Sale | 25,570.0 | $18.89 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-04 | Sale | 25,570.0 | $18.89 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2021-02-03 | Sale | 16,299.0 | $18.36 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-03 | Sale | 16,299.0 | $18.36 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-03 | Sale | 16,299.0 | $18.36 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2021-02-02 | Sale | 13,817.0 | $18.66 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-02 | Sale | 13,817.0 | $18.66 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-02 | Sale | 13,817.0 | $18.66 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2021-02-01 | Sale | 24,114.0 | $18.29 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2021-02-01 | Sale | 24,114.0 | $18.29 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2021-02-01 | Sale | 24,114.0 | $18.29 |
| Petersen Floyd F. | Director | 2021-02-01 | Sale | 639.0 | $18.26 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2021-01-19 | Sale | 6,495.0 | $18.67 |
| Petersen Floyd F. | Director | 2020-12-01 | Sale | 500.0 | $17.87 |
| Petersen Floyd F. | Director | 2020-11-02 | Sale | 500.0 | $19.84 |
| Petersen Floyd F. | Director | 2020-10-01 | Sale | 500.0 | $18.89 |
| Petersen Floyd F. | Director | 2020-09-01 | Sale | 500.0 | $19.9 |
| Maris David | Director | 2020-08-14 | Purchase | 1,000.0 | $20.26 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2020-08-14 | Sale | 5,512.0 | $20.36 |
| PRINS RICHARD K | Director | 2020-08-11 | Sale | 6,000.0 | $20.33 |
| Petersen Floyd F. | Director | 2020-08-03 | Sale | 500.0 | $20.62 |
| Liawatidewi Yakob | EVP Corp Admin Center | 2020-07-21 | Sale | 5,978.0 | $21.22 |
| Liawatidewi Yakob | EVP Corp Admin Center | 2020-07-20 | Sale | 4,186.0 | $21.03 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2020-07-06 | Sale | 13,656.0 | $22.0 |
| Petersen Floyd F. | Director | 2020-07-01 | Sale | 500.0 | $22.27 |
| Liawatidewi Yakob | EVP Corp Admin Center | 2020-06-09 | Sale | 23,405.0 | $20.41 |
| Zhou Rong | EVP, Production Center | 2020-06-04 | Sale | 9,806.0 | $19.19 |
| Zhou Rong | EVP, Production Center | 2020-06-03 | Sale | 13,163.0 | $18.82 |
| Petersen Floyd F. | Director | 2020-06-01 | Sale | 500.0 | $18.97 |
| Koo Richard | Director | 2020-05-27 | Sale | 47,782.0 | $18.18 |
| Lee Howard | Director | 2020-05-26 | Sale | 10,000.0 | $18.6 |
| Lee Howard | Director | 2020-05-22 | Sale | 10,000.0 | $18.36 |
| Lee Howard | Director | 2020-05-21 | Sale | 10,000.0 | $18.47 |
| Lee Howard | Director | 2020-05-20 | Sale | 17,782.0 | $18.43 |
| ZASLOFF MICHAEL A | Director | 2020-05-15 | Sale | 22,950.0 | $18.03 |
| Petersen Floyd F. | Director | 2020-05-15 | Sale | 42,682.0 | $18.25 |
| ZASLOFF MICHAEL A | Director | 2020-05-14 | Sale | 14,832.0 | $18.0 |
| Petersen Floyd F. | Director | 2020-05-14 | Sale | 5,000.0 | $17.78 |
| ZASLOFF MICHAEL A | Director | 2020-05-12 | Sale | 10,000.0 | $19.0 |
| PRINS RICHARD K | Director | 2020-05-12 | Sale | 30,282.0 | $19.0 |
| Petersen Floyd F. | Director | 2020-05-12 | Sale | 100.0 | $19.2 |
| Petersen Floyd F. | Director | 2020-05-01 | Sale | 500.0 | $16.66 |
| Petersen Floyd F. | Director | 2020-04-01 | Sale | 500.0 | $14.36 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2020-03-13 | Sale | 1,737.0 | $14.43 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2020-03-13 | Sale | 2,964.0 | $13.66 |
| Petersen Floyd F. | Director | 2020-03-02 | Sale | 500.0 | $15.56 |
| Shandell Jason B. | President and General Counsel | 2020-02-07 | Sale | 6,853.0 | $19.88 |
| Shandell Jason B. | President and General Counsel | 2020-02-06 | Sale | 21,933.0 | $19.83 |
| Shandell Jason B. | President and General Counsel | 2020-02-05 | Sale | 15,615.0 | $19.57 |
| Petersen Floyd F. | Director | 2020-02-03 | Sale | 500.0 | $19.12 |