MILESTONE SCIENTIFIC INC. — Director's Dealing 2016

Dec 27, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MILESTONE SCIENTIFIC INC. (MLSS)
CIK: 0000855683
Period of Report: 2016-12-23

Reporting Person: OSSER LEONARD (Director, CEO, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-12-23	Common Stock	A	66667	—	Acquired	3003902	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Options to purchase Common stock	$1.9300	2021-12-02	Common stock (171429)	171429	Direct
Options to purchase Common stock	$0.7500	2017-01-09	Common stock (133334)	133334	Direct
Options to purchase Common stock	$1.6500	2018-12-31	Common stock (248448)	248448	Direct
Options to purchase Common stock	$1.4900	2019-11-01	Common stock (73333)	73333	Direct
Options to purchase Common stock	$2.3800	2019-11-01	Common stock (185185)	185185	Direct
Options to purchase Common stock	$3.4900	2020-06-20	Common stock (57307)	57307	Direct
Options to purchase Common stock	$1.8900	2021-02-04	Common stock (82988)	82988	Direct

Footnotes

F1: 776,862 shares are issuable to the reporting person at the termination of employment.

F2: These options are exercisable as follows: (i) for 57,143 shares on the date of grant (12-2-16) and (ii) for an additional 1/3 of the 114,286 remaining shares on each of the 1st through 3rd anniversaries of the date of grant.

F3: Not applicable.

F4: These options are exercisable as follows: (i) immediately for 193,210 and (ii) for an additional 55,238 on 12/31/16.

F5: These options are exercisable as follows: (i) for 61,728 shares on the date of grant (11-20-14) and (ii) for an additional 1/3 of the 123,457 remaining shares on each of the 1st through 3rd anniversaries of the date of grant.

F6: These options are exercisable as follows: (i) for 19,102 shares on the date of grant (6-20-15) and (ii) for an additional 1/3 of the 38,205 remaining shares on each of the 1st through 3rd anniversaries of the date of grant.

F7: These options are exercisable as follows: (i) for 27,663 shares on the date of grant (2-4-16) and (ii) for an additional 1/3 of the 55,325 remaining shares on each of the 1st through 3rd anniversaries of the date of grant.