| Date Filed | Type | Description |
| 04/07/2017 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/27/2017 |
CT ORDER
| Form CT ORDER - Confidential treatment order |
| 02/27/2017 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)] |
| 02/21/2017 |
SC 13D/A
| Sarissa Capital Management LP reports a 0% stake in ARIAD Pharmaceuticals, Inc. |
| 02/16/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/16/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/16/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/16/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/16/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/16/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/16/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/16/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/16/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 02/16/2017 |
8-K
| Quarterly results |
| 02/16/2017 |
SC 14D9/A
| Form SC 14D9/A - Solicitation, recommendation statements: [Amend] |
| 02/16/2017 |
SC 13D/A
| TAKEDA PHARMACEUTICAL CO LTD reports a 100% stake in ARIAD PHARMACEUTICALS INC |
| 02/16/2017 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities |
| 02/14/2017 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals |
| 02/13/2017 |
10-Q/A
| Quarterly Report for the period ended June 30, 2016 [amend] |
| 02/10/2017 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend] |
| 02/09/2017 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend] |
| 02/09/2017 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals |
| 02/08/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party [Amend] |
| 02/06/2017 |
8-K
| Form 8-K - Current report |
| 02/01/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party [Amend] |
| 01/30/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party [Amend] |
| 01/24/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party [Amend] |
| 01/19/2017 |
SC 13G/A
| ARIAD PHARMACEUTICALS INC reports a 7.7% stake in ARIAD PHARMACEUTICALS INC. |
| 01/19/2017 |
SC 14D9
| Form SC 14D9 - Solicitation, recommendation statements |
| 01/19/2017 |
SC TO-T
| Form SC TO-T - Tender offer statement by Third Party |
| 01/18/2017 |
SC 13D
| ARIAD PHARMACEUTICALS INC reports a 6.8% stake in ARIAD Pharmaceuticals, Inc. |
| 01/11/2017 |
SC TO-C
| Form SC TO-C - Written communication relating to an issuer or third party |
| 01/10/2017 |
SC TO-C
| Form SC TO-C - Written communication relating to an issuer or third party |
| 01/10/2017 |
8-K
| Form 8-K - Current report |
|