AMPH Insider Transactions — Page 4
576 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 301–400; provenance stays internal.
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2020-01-21 | Sale | 3,990.0 | $20.07 |
| Shandell Jason B. | President and General Counsel | 2020-01-08 | Sale | 25,000.0 | $18.44 |
| Petersen Floyd F. | Director | 2020-01-02 | Sale | 1,000.0 | $19.14 |
| Shandell Jason B. | President and General Counsel | 2019-12-18 | Sale | 8,205.0 | $19.13 |
| Petersen Floyd F. | Director | 2019-12-02 | Sale | 500.0 | $19.25 |
| Petersen Floyd F. | Director | 2019-11-01 | Sale | 500.0 | $19.48 |
| Petersen Floyd F. | Director | 2019-10-01 | Sale | 500.0 | $19.92 |
| Shandell Jason B. | President and General Counsel | 2019-09-18 | Sale | 7,340.0 | $21.32 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2019-09-16 | Sale | 9,800.0 | $21.76 |
| Petersen Floyd F. | Director | 2019-09-16 | Sale | 500.0 | $21.75 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-09-13 | Sale | 3,000.0 | $21.45 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2019-09-11 | Sale | 300,000.0 | $20.82 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2019-09-11 | Sale | 300,000.0 | $20.82 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2019-09-11 | Sale | 300,000.0 | $20.82 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-09-06 | Sale | 2,395.0 | $21.9 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-09-05 | Sale | 1,515.0 | $21.24 |
| PRINS RICHARD K | Director | 2019-08-26 | Sale | 3,618.0 | $22.6 |
| PRINS RICHARD K | Director | 2019-08-23 | Sale | 3,882.0 | $22.58 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2019-08-15 | Sale | 4,942.0 | $21.0 |
| PRINS RICHARD K | Director | 2019-08-13 | Sale | 10,000.0 | $20.78 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-08-13 | Sale | 5,000.0 | $20.73 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-08-12 | Sale | 10,518.0 | $20.44 |
| Shandell Jason B. | President and General Counsel | 2019-07-10 | Sale | 6,615.0 | $20.31 |
| Zhou Rong | EVP, Production Center | 2019-05-06 | Sale | 9,600.0 | $22.76 |
| Shandell Jason B. | President and General Counsel | 2019-05-01 | Sale | 10,000.0 | $21.97 |
| Shandell Jason B. | President and General Counsel | 2019-04-16 | Sale | 9,478.0 | $20.67 |
| Shandell Jason B. | President and General Counsel | 2019-03-15 | Sale | 24,508.0 | $20.34 |
| Shandell Jason B. | President and General Counsel | 2019-03-14 | Sale | 7,828.0 | $20.37 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2019-03-04 | Sale | 1,500.0 | $25.36 |
| Zhou Rong | EVP, Production Center | 2019-03-01 | Sale | 3,200.0 | $25.0 |
| Shandell Jason B. | President and General Counsel | 2019-03-01 | Sale | 7,500.0 | $24.99 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2019-02-15 | Sale | 10,016.0 | $24.37 |
| Shandell Jason B. | President and General Counsel | 2019-02-14 | Sale | 7,519.0 | $23.99 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-02-14 | Sale | 4,868.0 | $24.0 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-02-12 | Sale | 4,000.0 | $23.7 |
| Zhou Rong | EVP, Production Center | 2019-02-05 | Sale | 4,289.0 | $23.0 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-02-05 | Sale | 11,397.0 | $23.18 |
| Shandell Jason B. | President and General Counsel | 2019-01-23 | Sale | 200.0 | $22.95 |
| Shandell Jason B. | President and General Counsel | 2019-01-23 | Sale | 15,297.0 | $22.39 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-01-23 | Sale | 4,000.0 | $22.65 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-01-22 | Sale | 3,000.0 | $22.35 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-01-16 | Sale | 3,175.0 | $22.15 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2019-01-14 | Sale | 8.0 | $22.15 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2019-01-02 | Sale | 3,245.0 | $19.52 |
| PRINS RICHARD K | Director | 2018-12-14 | Sale | 1,616.0 | $20.65 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2018-12-14 | Sale | 43,577.0 | $20.48 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2018-12-14 | Sale | 43,577.0 | $20.48 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2018-12-13 | Sale | 29,689.0 | $20.99 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2018-12-13 | Sale | 29,689.0 | $20.99 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2018-12-13 | Sale | 29,689.0 | $20.99 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2018-12-12 | Sale | 37,469.0 | $21.21 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2018-12-12 | Sale | 37,469.0 | $21.21 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2018-12-12 | Sale | 37,469.0 | $21.21 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2018-12-11 | Sale | 3,253.0 | $22.13 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2018-12-11 | Sale | 3,253.0 | $22.13 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2018-12-11 | Sale | 63,504.0 | $21.43 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2018-12-11 | Sale | 63,504.0 | $21.43 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2018-12-11 | Sale | 3,253.0 | $22.13 |
| Applied Physics & Chemistry Laboratories, Inc. | TenPercentOwner | 2018-12-11 | Sale | 63,504.0 | $21.43 |
| Koo Richard | Director | 2018-12-11 | Sale | 29,278.0 | $21.32 |
| Shohet Stephen B. | Director | 2018-12-10 | Sale | 58,557.0 | $21.72 |
| Lee Howard | Director | 2018-12-07 | Sale | 9,278.0 | $21.89 |
| Lee Howard | Director | 2018-12-06 | Sale | 5,794.0 | $21.45 |
| Lee Howard | Director | 2018-12-06 | Sale | 4,206.0 | $20.91 |
| Lee Howard | Director | 2018-12-04 | Sale | 1,011.0 | $22.55 |
| Lee Howard | Director | 2018-12-04 | Sale | 8,989.0 | $21.85 |
| Zhou Rong | EVP, Production Center | 2018-12-03 | Sale | 1,089.0 | $22.0 |
| Shandell Jason B. | President and General Counsel | 2018-12-03 | Sale | 16,630.0 | $22.44 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2018-12-03 | Sale | 10,000.0 | $22.4 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2018-11-30 | Sale | 2,480.0 | $21.48 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2018-11-30 | Sale | 11,500.0 | $21.5 |
| PRINS RICHARD K | Director | 2018-11-29 | Sale | 5,000.0 | $20.5 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2018-11-28 | Sale | 1,520.0 | $20.49 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2018-11-23 | Sale | 1,299.0 | $20.26 |
| ZASLOFF MICHAEL A | Director | 2018-11-14 | Sale | 29,278.0 | $20.39 |
| PRINS RICHARD K | Director | 2018-11-14 | Sale | 5,000.0 | $20.23 |
| Shandell Jason B. | President and General Counsel | 2018-11-14 | Sale | 400.0 | $20.19 |
| Shandell Jason B. | President and General Counsel | 2018-11-14 | Sale | 15,615.0 | $20.41 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2018-11-12 | Sale | 3,172.0 | $20.61 |
| Zhou Rong | EVP, Production Center | 2018-11-09 | Sale | 1,089.0 | $21.0 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2018-11-09 | Sale | 10,000.0 | $21.47 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2018-11-09 | Sale | 11,808.0 | $21.21 |
| Shandell Jason B. | President and General Counsel | 2018-11-09 | Sale | 16,095.0 | $20.99 |
| Zhou Rong | EVP, Production Center | 2018-11-08 | Sale | 1,084.0 | $20.0 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2018-11-08 | Sale | 8,528.0 | $20.85 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2018-11-08 | Sale | 16,784.0 | $20.26 |
| Liawatidewi Yakob | SVP Corp Admin Center | 2018-11-08 | Sale | 6,000.0 | $20.5 |
| Shandell Jason B. | President and General Counsel | 2018-11-08 | Sale | 36,201.0 | $20.68 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2018-08-16 | Sale | 2,407.0 | $17.59 |
| PRINS RICHARD K | Director | 2018-08-14 | Sale | 10,000.0 | $17.82 |
| Shandell Jason B. | President and General Counsel | 2018-07-11 | Sale | 14,399.0 | $16.77 |
| PETERS WILLIAM J | CFO, SVP & Treasurer | 2018-07-09 | Sale | 3,250.0 | $16.46 |
| ZASLOFF MICHAEL A | Director | 2018-06-12 | Sale | 15,000.0 | $16.52 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2018-05-16 | Purchase | 15,000.0 | $16.06 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2018-05-16 | Purchase | 15,000.0 | $16.06 |
| Luo Mary Z. | COO,Chief Scientist & Chairman | 2018-05-15 | Purchase | 25,000.0 | $16.08 |
| Zhang Jack Y. | CEO & Chief Scientific Officer | 2018-05-15 | Purchase | 25,000.0 | $16.08 |
| Shandell Jason B. | President and General Counsel | 2018-03-20 | Sale | 8,293.0 | $19.52 |
| Shandell Jason B. | President and General Counsel | 2018-03-19 | Sale | 11,707.0 | $19.37 |
| PRINS RICHARD K | Director | 2018-03-15 | Sale | 16,598.0 | $19.9 |