Filing Details

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 13)* Alimera Sciences, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 016259102 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ X ] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. 016259102 13G Page 2 of 12 Pages 1. NAMES OF REPORTING PERSONS OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Patrick Lee, MD 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [ ] (b) [ x ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION USA NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 802,423 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 802,423 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 802,423 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions) [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.57% 12. TYPE OF REPORTING PERSON (see instructions) IN, HC

CUSIP No. 016259102 13G Page 3 of 12 Pages 1. NAMES OF REPORTING PERSONS OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Anthony Joonkyoo Yun, MD 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [ ] (b) [ x ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION USA NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 802,423 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 802,423 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 802,423 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions) [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.57% 12. TYPE OF REPORTING PERSON (see instructions) IN, HCCUSIP No. 016259102 13G Page 4 of 12 Pages 1. NAMES OF REPORTING PERSONS OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Palo Alto Investors LP 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [ ] (b) [ x ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION California NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 802,423 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 802,423 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 802,423 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions) [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.57% 12. TYPE OF REPORTING PERSON (see instructions) OO, IACUSIP No. 016259102 13G Page 6 of 12 Pages 1. NAMES OF REPORTING PERSONS OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Palo Alto Healthcare Master Fund, L.P. 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [ ] (b) [ x ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 312,884 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 312,884 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 312,884 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions) [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.51% 12. TYPE OF REPORTING PERSON (see instructions) PNCUSIP No. 016259102 13G Page 7 of 12 Pages 1. NAMES OF REPORTING PERSONS OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Palo Alto Healthcare Master Fund II, L.P. 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) [ ] (b) [ x ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 459,385 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 459,385 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 459,385 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions) [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.62% 12. TYPE OF REPORTING PERSON (see instructions) PN(b) Address of Issuer's Principal Executive Offices 6310 Town Square, Suite 400, Alpharetta, GA 30005 Item 2. (a) Name of Person Filing Palo Alto Investors LP ("PAI") PAI LLC ("PAI GP"), Patrick Lee, MD, Anthony Joonkyoo Yun, MD Palo Alto Healthcare Master Fund, L.P. ("Healthcare Master") Palo Alto Healthcare Master Fund II, L.P. ("Healthcare Master II") (collectively, the "Filers").(b) The address of the principal place of the Filers except for Healthcare Master and Healthcare Master II is located at: 470 University Avenue, Palo Alto, CA 94301 The principal business office of Healthcare Master and Healthcare Master II is located at: Cayman Corporate Centre, 27 Hospital Road George Town, Grand Cayman KY1-9008 Cayman Islands(c) For citizenship of Filers, see Item 4 of the cover sheet for each Filer.(d) Title of Class of Securities Common Stock and Preferred Stock(e) CUSIP Number 016259102 Item 3. If this statement is filed pursuant to 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [x] An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E);(as to PAI) CUSIP No. 016259102 13G Page 9 of 12 Pages(f) [ ] An employee benefit plan or endowment fund in accordance with 240.13d-1(b)(1)(ii)(F);(g) [x] A parent holding company or control person in accordance with 240.13d-1(b)(1)(ii)(G); as to Dr. Lee and Dr. Yun)(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);(j) [ ] Group, in accordance with 240.13d-1(b)(1)(ii)(J). CUSIP No. 016259102 13G Page 10 of 12 Pages Item 4. Ownership. See Items 5-9 and 11 of the cover page for each Filer. The number of shares held by the Filers includes (1) 200,919 shares of Common Stock that they hold directly and (2) 601,504 shares of Common Stock that they may acquire on conversion of shares of the Company's Series A Convertible Preferred Stock ("Series A Preferred") that they hold. Shares of Common Stock are held by Healthcare Master and Healthcare Master II. Item 5. Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the Healthcare Master has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following [X] Item 6. Ownership of More than Five Percent on Behalf of Another Person. PAI is a registered investment adviser and investment adviser of investment limited partnerships, and is the investment adviser to other investment funds. PAI GP is the general partner of investment limited partnerships. PAI's clients have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Stock. No individual client outside of Healthcare Master and Healthcare Master II separately holds more than five percent of the outstanding Stock. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company. N/A Item 8. Identification and Classification of Members of the Group. Dr. Lee and Dr. Yun co-manage PAI. The Filers are filing this Schedule 13G jointly, but not as members of a group, and each of them expressly disclaims membership in a group. Each Filer disclaims beneficial ownership of the Stock except to the extent of that Filer's pecuniary interest therein. Schedule 13G on behalf of Healthcare Master and Healthcare Master II should not be construed as an admission that any of them is, and each disclaims that it is, a beneficial owner, as defined in Rule 13d-3 under the Securities Exchange Act of 1934, of any of the Stock covered by this Schedule 13G. Item 9. Notice of Dissolution of Group. N/A